WILLIAM K. DURFEE

CURRICULUM VITAE April, 2015

Professor and Director of Design Education Department of Mechanical Engineering University of Minnesota tel: 612­625­0099 111 Church Street S.E. email: wkdurfee@umn.edu Minneapolis, MN 55455­0111 web: www.me.umn.edu/~wkdurfee PROFESSIONAL INTERESTS

Design of medical devices, rehabilitation engineering, advanced orthotics, biomechanics and physiology of human muscle including electrical stimulation of muscle, product design, design education.

EDUCATION

Ph.D., 1985, Massachusetts Institute of Technology, Department of Mechanical Engineering. Thesis: "Task Control with an Electrically Stimulated Antagonist Muscle Pair" Advisor: Dr. Michael J. Rosen.

MSME, 1981, Massachusetts Institute of Technology, Cambridge MA, Department of Mechanical Engineering. Thesis: "Functional Muscle Recruitment by Electrical Stimulation of Afferent Nerves".

A.B., 1976, Harvard University, Cambridge MA, Division of Engineering and Applied Physics.

EMPLOYMENT

Professor and Director of Design Education, Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN, 2001­present. Additional appointments to the Graduate Faculty in the Department of Biomedical Engineering, the Program in Human Factors and the Product Design Program. Education and Outreach Director, NSF Engineering Research Center on Compact and Efficient Fluid Power, 2006­2011. Visiting Scientist, Laboratory of Engineering of Neuromuscular System and Motor Rehabilitation, Politecnico di Torino, Torino Italy, 1998. Associate Professor and Director of Design Education, Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN, 1993­2001. Brit and Alex d'Arbeloff Associate Professor of Engineering Design, Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 1991­1993.

Associate Professor, Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 1990­1991. W. M. Keck Foundation Assistant Professor of Biomedical Engineering, Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 1986­1988. Assistant Professor, Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 1985­1990. Research Assistant, Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 1978­1985.

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Project Engineer, Harvard­MIT Rehabilitation Engineering Center, Cambridge, MA, 1976­1978. Laboratory Supervisor, Harvard University, Cambridge, MA, 1976.

AWARDS

Fellow, American Institute for Medical and Biological Engineering, 2015 President’s Award for Outstanding Service, 2011 Program in Physical Therapy Faculty Service Award, 2011 Institute of Technology Student Board Mechanical Engineering Professor of the Year, 2006, 2007,

2009, 2010 Senior Teaching Fellow, Center for Teaching and Learning Services, 2003­2004 Horace T. Morse Award for Outstanding Contributions to Undergraduate Education, 2001 Member, Academy of Distinguished Teachers, University of Minnesota, 2001 Minnesota State Council on Disability Educator of the Year Award, 2000 George Taylor/IT Alumni Society Distinguished Teaching Award, 2000 Honorable Mention, ASME Curriculum Innovation Award Program, 1996 J.P. Den Hartog Distinguished Educator Award, 1993. Graduate Student Council Teaching Award, 1993. Brit and Alex d'Arbeloff Chair in Engineering Design, 1991­1993. Graduate Student Council Teaching Award, 1990. W. M. Keck Foundation Chair in Biomedical Engineering, 1986­1988. Whitaker Doctoral Fellowship, l982­l984. NIH National Research Service Award, l979­1981. NIGMS Biomedical Engineering Fellowship, l979.

PATENTS

U.S. 4,095,139 (l978) A microprocessor based theatre lighting control system. U.S. 5,476,441 (1995) Controlled­brake orthosis. EP 1080704 A1 (2001) Means for connecting modular parts of an implantable prosthesis. U.S. 6,423,059 (2002) Radio frequency ablation apparatus with remotely articulating and self­locking electrode

wand. U.S. 7,754,266 (2010) Apparatus for and method of making a frozen confectionery product U.S. 8,778,436 (2014) Apparatus for and method of making a frozen confectionery product

PUBLISHED PATENT APPLICATIONS U.S. 2010/027427 (2010) Aneurysm Treatment System, Device and Method U.S. 2012/0289870 (2012) Portable Active Pneumatically Powered Ankle­Foot Orthosis U.S. 2013/0333368 (2013) System and method for the production of compressed fluids

PROVISIONAL PATENT APPLICATIONS (that did not turn into patent applications)

Hydraulic Orthosis Systems, 62/001,967, filed May 22, 2014. Devices, Systems and Methods for Monitoring Neuromuscular Blockage, provisional application 62/025,236, filed July 16, 2014.

INTERNAL TECHNOLOGY DISCLOSURES (that did not turn into provisional or full patent applications)

Soft Pneumatic Tube Actuators. filed August 2012. “Powered Exoskeletons Using Tiny Hydraulics”, filed November 2013

TEACHING Introduction to System Dynamics, Control System Principles, Introduction to Design, Analysis and Design of Digital Control Systems (created new laboratory), Designing Smart Machines (created new course and new laboratory), Introduction to Industrial Design (created new course), Design Projects, Introduction to Engineering (created new courses), New Product Design and Business Development (created new course), System Dynamics and Control, Itasca Summer Program in Neuroscience (one week muscle course). Smart Product Design (created new course). Carlson School Executive Program on Strategic Marketing (two hour design module). Various lectures and workshops on product design, physiology, biomechanics, rehabilitation and muscle. Human Factors for Product Designers, a ½­day workshop for product designers at Target (Harder, Dunne and Durfee, June, 2014.) Introduction to Fluid Power, a Coursera MOOC (8,399 students).

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PROFESSIONAL SOCIETIES American Society of Mechanical Engineers (ASME) Institute of Electrical and Electronic Engineers (IEEE) Rehabilitation Engineering Society of North America (RESNA) American Society for Engineering Education (ASEE) Product Design and Management Association (PDMA) International Functional Electrical Stimulation Society (IFESS) Biomedical Engineering Society (BMES)

PROFESSIONAL ACTIVITIES EDITORIAL: Manuscript reviews for IEEE Transactions on Biomedical Engineering, IEEE Transactions on Rehabilitation Engineering, ASME Journal of Dynamic Systems, Measurement and Control, IEEE Control Systems Magazine, Assistive Technology, Annals of Biomedical Engineering, Mechatronics, J of Engineering Education, Muscle & Nerve, J of Applied Physiology, J of Neurophysiology, Medical Engineering & Physics, J NeuroEngineering and Rehabilitation and others. Book reviews in the area of control systems and design. Guest Editor, Special Issue of Assistive Technology on Functional Electrical Stimulation (1993). EDITORIAL BOARDS: Associate Editor, Journal of Rehabilitation Research and Development (2000 ­ present). Associate Editor, ASME Journal of Medical Devices (2012 ­ present). Associate Editor, Journal of Neuroengineering and Rehabilitation (2014­present).

PROPOSAL REVIEW: Proposal and program reviews for NIH, NSF, NIDRR, U.S. Department of Education, Whitaker Foundation, Spinal Cord Research Foundation, Langeloth Foundation, Canadian Medical Research Council, Department of Veterans Affairs, Israel Science Foundation, NSF SBIR program. Special NIH ad hoc review panel for SBIR proposals (Member 1995­1998, Chair 1998­2003). VA Rehabilitation Research and Development Scientific Merit Review Board (2002 ­ 2005). NIH Musculoskeletal Rehabilitation Sciences Study Section (Member 2007­2008, Chair 2008­2011). CONFERENCE ORGANIZING: Steering Committee for 1988, 1991 and 1994 Neural Prostheses: Motor Systems Conference. Session organizer for American Control Conferences. Vice­Chair, Engineering Foundation Conferences Committee (1989­1992). Organizing committee, PDMA 19th Annual International Conference (1995). Organizing Committee, American Marketing Association Minneapolis Chapter Annual Conference (2006). Session Organizer, Engineering Research Centers Annual Conference (2008). Theme Chair, Annual International Conference of the IEEE Engineering in Medicine and Biology Society (2009). Associate Editor, Annual International Conference of the IEEE Engineering in Medicine and Biology Society (2010, 2011, 2012). Steering Committee, University of Minnesota Academy of Distinguished Teachers Biennial Conference (2011). Program Chair, Design of Medical Devices Conference, Minneapolis MN (2001, 2004­present). International Program Committee, Neuromodulation Symposium, Minneapolis MN (2013). Editorial Board, 2013 Bath/ASME Symposium of Fluid Power and Motion Control. OTHER: Chairman, Engineering in Medicine and Biology Chapter, IEEE Boston Section (1989­1991). Scientific Advisory Board for the Cleveland FES Center (1997­1999). Advisory Board, Minnesota Virtual Simulations (1997 ­ 1998). Research Committee, Sister Kenny Institute (1998 ­ 2008). Courage Center Technology Committee (1999 ­ 2000). Courage Center Assistive Technology Advisory Board (2001 ­ 2003). Advisory Committee, RERC on Accessible Medical Instrumentation, Marquette University (2004­2009). FIRST Robotics, Minnesota Regional Planning Committee (2007­present). FIRST Robotics Judge, Minnesota Regional Competition (2007­present). LifeScience Alley Conference Advisory Committee (2013). Guest co­Editor, Mechanical Sciences, Special Issue: Design of medical devices: creative solutions by young researchers (2013).

CONSULTING Cognition, Inc., Burlington MA, 1985­1986 (product development). Riley, Burke, and Donahue, Boston MA, 1986­1987 (liability litigation). Texas Instruments, Dallas TX, 1986­1987 (product development). The Tussauds Group, London, 1992 (product development). Product Genesis, Cambridge MA, 1992 (product development). Exos, Woburn MA, 1992­1993 (product development).

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M. Stageberg, Esq, Shorewood MN 1994 (liability litigation). Fire Department, Minneapolis MN 1994­2007 (chop simulator). Fire Department, St. Louis MO 2005­2008 (chop simulator). Rider, Bennett, Egan & Arundel, LLP, Minneapolis MN 1995 (liability litigation). Welp Law Office, Inver Grove Heights, MN, 1995 (disabilities rights litigation). Newton’s Apple, KTCA Twin Cities Public Television, 1996 (science show). Sled Dogs, Minneapolis MN 1997­1998 (product development). Spinal Designs International, Minneapolis MN 1997­1999 (product development). EnduraTEC Inc., Technical Advisory Board, 1999­2004 (product development). Oak Ridge National Laboratories, 2000­2003 (product development). Faegre and Benson, LLP, Minneapolis MN 2000­2009 (patent litigation). Rider, Bennett, Egan & Arundel, LLP, Minneapolis MN 2001 (liability litigation). Robins, Kaplan, Miller & Ciresi, Minneapolis MN, 2001­2008 (patent litigation). Fish & Richardson P.C., San Diego CA, 2002 (patent litigation). Tennant Company, Minneapolis MN, Advanced Product Steering Committee 2003­2010 (product

development). Williams & Connolly, Washington DC, 2004­2006 (patent litigation). Theatre de la Jeune Lune, Minneapolis MN, 2006­2007 (stage effects). Clifford Chance US LLP, New York NY, 2006­2010 (patent litigation). Fish & Richardson P.C., Minneapolis MN, 2006 ­ 2009 (patent litigation). Bartlit Beck Herman Palenchar & Scott 2009 – 2011 (patent litigation) DLA Piper, New York NY, 2010­present (patent litigation) Medtronic, Minneapolis MN, 2013 (patent prosecution) Schwegman, Lundberg & Woessner, Minneapolis MN, 2014­2015 (patent prosecution)

COMMITTEES and RESPONSIBILITIES, UNIVERISTY OF MINNESOTA

DEPARTMENT LEVEL: Design Studies Committee (1993 ­ 1996). Dept. Web Committee (1996 ­ 1997). Director, Mechanical Engineering Department Design and Manufacturing Division (2001­2002). Chair, search committee for medical devices faculty (2008). Strategic Planning Committee (2005­2008). Development Committee (2006­2007). Director, department web site (1997 – 2009). Undergraduate Curriculum Committee (1997 – present, Chair 2006­present). SAE Formula Car Team, Faculty Advisor (2006­2013). Promotion and Tenure Subcommittee (2007­2009, Chair 2008­2009). Research Committee (2010­2011). Liaison for Writing Enriched Curriculum Program (2007­present). Search committee for medical devices faculty (2010­2011). Chair, search committee for ME faculty (2012­2013). Search committee for MnDRIVE faculty (2014). CCEFP Industry Relations Committee (2014­present). Committee to review the head of the Department of Mechanical Engineering (2013). COLLEGE LEVEL: Chair, Biomedical Engineering Curriculum Committee (1998 ­ 2000). Engineering World Health, Faculty Advisor (2005­2008). College of Science and Engineering Curriculum Committee (2006­present). Center for Neuroengineering Advisory Committee (2007­present). Medical Devices Center Advisory Committee (2007­present). Center for Neuroengineering faculty search committee (2008 – 2010). Institute of Engineering and Medicine, Seed Grant Program review committee (2009­2010). Faculty Advisor, National Organization of Business and Engineering (2009­present). Neuroengineering IGERT Curriculum Committee (2011­present). Faculty Advisor, GOFIRST (2012­present). Medical Devices Center Strategic Planning Committee (2014). College of Science and Engineering Consultative Committee (2013­2016). Planning Committee of the MnDRIVE Initiative on Robotics, Sensors, and Advanced Manufacturing (2013­present). Search committee, MnDRIVE RASM Director of Industrial Relations (2014). Review committee, MnDRIVE RASM seed proposals (2014). Faculty liaison, CSE Capital Campaign (2014). UNIVERSITY LEVEL: University Senate Disabilities Issues Committee (1999 ­ 2003, Chair 2001 ­ 2003). Design Summit Organizing Committee and Session Chair (1999). University of Minnesota Student Design Competition (1999). Bush Program for Faculty Development Resource Teacher (1999­2000, 2002­2003). Chair, Design Institute Director Search Committee (2000). Faculty search committees, Kinesiology (2001), Physical Therapy (2002), Urology Head (2007). Fellowship Application Committee, Dept of Neurosciences NIH Training Grant in Computational Neuroscience.

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Chair, product design faculty search (2009­2010). Academy of Distinguished Teachers Twin Cities Steering Committee (2003 – 2005, 2009 ­­­ 2011). Academy of Distinguished Teachers Executive Committee (2004 – 2006). Planning Committee, Academy of Distinguished Teachers Conference (2005). University Senate Committee on Academic Freedom and Tenure (2003­2006, Chair 2005­2006). University Senate Committee on Faculty Affairs, Ex Officio Member (2005­2006). University Senate Alternate (2005­2006). Design Institute Steering Committee (1999 – 2007). Wellstone Center for Muscular Dystrophy, Executive Committee (1998 ­ 2011). University Senate Faculty Consultative Committee (2006­2009, Vice­Chair 2008­2009). University Senate Consultative Committee (2006­2009, Vice­Chair 2008­2009). University Senate (2006­2009). Provost's Writing­Enriched Curriculum Advisory Committee (2006­2007). Faculty Consultative Committee Subcommittee on Metrics and Measures (2007­2008). Committee on Graduate Education (2009). Graduate Education Academic Issues Work Group (2009­2010). Provost’s Enrollment Management Committee (2010­2011). University Senate Committee on Committees (2009­2013). University Celebration Task Force (2010­2012). Senate Committee on Finance and Planning (2010­2013, Chair 2012­2013). University Senate (2011­2014). Search committee for Director of Institute for Engineering in Medicine (2010­2012). Twin Cities Steering Committee, Academy of Distinguished Teachers (2009­2012). University Senate (2011­2015). Product Design Program Planning Committee (2005­present, Chair 2007­21012). Campus Writing Board (Chair, 2008­2015). Search committee for Vice President for University Services (2012). Search committee for Writing Enriched Curriculum Program Assistant Director (2011­2012). Search committee for product design faculty, College of Design (2012­2015). Campus Club Executive Board (2012­2017, Vice­President 2014­2015). Search committee for faculty in Program in Physical Therapy (2013­2014). Faculty Consultative Committee (2012­2015, Chair 2013­2014). Senate Consultative Committee (2012­2015, Chair 2013­2014). Standing Committee for the Comprehensive Review of Deans (2013­1014). President’s Strategic Planning Workgroup (2013­2014). Strategic Planning Recruiting and Retaining Faculty Issues Group, Co­Chair (2014). Strategic Plan Continuity Team (2015­present). Faculty coordinator, Independent Panel Review of Human Subjects Protection Program (2013­2015). Unizin Task Force (2014­present). Northrup Faculty Advisory Board (2014­present).

ACADEMIC COMMITTEES, MIT Director, Interactive Classroom (1985 ­ 1993); Director, Prototype Lab (1985 ­ 1993); Director, Graduate Controls Lab (1985 ­ 1993); Design Center Computing Committee (1985 ­ 1988); Admission Folder Reader (1986 ­ 1990); Committee to Review the Creative Arts (1986 ­ 1987); Freshman Advisor (1986 ­ 1991); Committee on Animal Care (1988 ­ 1993); New Products Program Planning Group (1988 ­ 1993); Chair, Undergraduate Committee (1988 ­ 1992); Project Athena Executive Committee (1989 ­ 1991); Graduate Admissions Committee (1989 ­ 1991); Department Committee on Computers in Education (1990 ­ 1992); Committee to Review the Department Curriculum in Dynamic Systems and Control (1990 ­ 1991); Search Committee for a New Head of the Department of Mechanical Engineering (1991); Board of Trustees, Technology Children's Center (1991 ­ 1993); Wiesner Student Art Gallery Committee (1991 ­ 1993); Committee on the Undergraduate Program (1991 ­ 1993).

NEW PRODUCT PROJECTS 3M (1995, 1998, 2003, 2004), Toro (1995), Micro­Medical (1996), RPM (1996), Horton (1996, 1997), Aetrium (1997), Spinal Designs (1997), Augustine Medical (1997), Honeywell (1998), Select Comfort (1998), Sulzer Medica (1998, 1999), Medtronic (1999, 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013), Enhanced Mobility Technology (1999), SpineTech (2000), EnduraTEC (2000), Scimed (2000), Machine Magic (2000), Andersen Windows (2001), Hormel Foods (2001), Introspective (2001), Geodigm (2001), Newco (2002), Comedicus (2001), Hearing Components (2002), Pando (2003, 2005, 2006, 2007, 2008), Probus (2003), Venturix (2004), IMI Visions (2004, 2005), Arctic Cat (2004), Pneumedics (2004), Unisys (2004), Tennant (2005, 2006, 2010), Devicix (2005), Starfire Medical (2005), St. Jude Medical (2006, 2007), SoftScope (2006), Nesos (2007), RivaTek (2007), Aeromix (2007), Graco (2008), Augustine Biomedical + Design (2008), Lake Region Medical (2008, 2012), ConAgra (2009), Best Buy (2009. 2010), Boston Scientific (2009), Vet­Dental (2009), GT Urologic (2010), VivoSense (2010), Tree House Medical (2011), Fortiori (2012), Orbio

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(2012), South Ostrich (2012), Smith Medical (2013).

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PUBLICATIONS PEER­REVIEWED JOURNAL ARTICLES 1. W Durfee, Task­based control with an electrically stimulated antagonist muscle pair, IEEE Trans Biomed

Eng, BME­36(3):309­321, 1989.

2. W Durfee and K MacLean, Methods for estimating isometric recruitment curves of electrically stimulated muscle, IEEE Trans Biomed Eng, BME­36(7):654­667, 1989.

3. W Durfee and J Hausdorff, Regulating knee joint position by combining electrical stimulation with a

controllable friction brake, Annals of Biomedical Engineering, 18:575­596, 1990.

4. J Hausdorff, and W Durfee, Open­loop position control of the knee joint using electrical stimulation of the quadriceps and hamstrings, Med Biol Eng & Comp, 29:269­280, 1991.

5. W Durfee, M Wall, D Rowell and F Abbott, Interactive software for dynamic system modeling using

linear graphs, IEEE Control Systems Magazine, 11(4):60­66, 1991.

6. W Durfee, T Mariano, and J Zahradnik, Simulator for evaluating shoulder motion as a command source for FES grasp systems, Arch Phys Med Rehab, 72(13):1088­94, 1991.

7. W Durfee, Introduction to the special issue on practical functional electrical stimulation, Assistive

Technology, 4(1):1­3, 1992.

8. W Durfee, Control of standing and gait using electrical stimulation: influence of muscle model complexity on control strategy, Progress in Brain Research, 97:369­381, 1993.

9. W Durfee and K Palmer, Estimation of force­activation, force­length and force­velocity properties in

isolated, electrically stimulated muscle, IEEE Trans Biomed Eng., 41(3):205­216, 1994.

10. W Durfee, Control of prosthetic gait, Current Opinion in Neurobiology, 4(6):920­923, 1994.

11. Z Karu, W Durfee and A Barzilai, Reducing muscle fatigue in FES applications by stimulating with N­let pulse trains, IEEE Trans Biomed Eng, 42(8):809­817, 1995.

12. W Durfee, Designing smart machines: teaching mechatronics to mechanical engineers through a

project­based, creative design course, Mechatronics, 5(7):775­785, 1995.

13. M Goldfarb and W Durfee, Design of a controlled­brake orthosis for FES­aided gait, IEEE Trans. Rehab Eng, 4(1):13­24, 1996.

14. JR Hoffer, R Stein, M Haugland, T Sinkjaer, W Durfee, A Schwartz, G Loeb and C Kantor, Neural

signals for command control and feedback in functional neuromuscular stimulation: a review, J. Rehab Res Develop, 33(2):145­157, 1996.

15. N Chesler and W Durfee, Surface EMG as a fatigue indicator during FES­induced isometric muscle

contractions, J. Electromyogr. Kinesiol., 7(1):27­37, 1997.

16. W Durfee, Electrical stimulation for restoration of function, Neurorehabilitation, 12(1):53­62, 1999.

17. K Dooley, W Durfee, M Shinde and J Anderson, A river runs between us: Legitimate roles and enacted practices in cross­functional product development teams, Advances in Interdisciplinary Studies of Work Teams, Vol. 5, 283­302, JAI Press, 2000.

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18. R Cardozo, W Durfee, A Ardichvili, C Adams, A Erdman, M Hoey, P Iaizzo, D Mallick, A Bar­Cohen, R

Beachy and A Johnson, Experiential education in new product design and business development, J. Product Innovation Management, 19(1):4­17, 2002.

19. W Durfee, Mechatronics for the masses: a hands­on project for a large, introductory design class, International Journal of Engineering Education, 19(4):593­596, 2003.

20. M Goldfarb, K Korkowski, B Harrold and W Durfee, Preliminary evaluation of a controlled­brake orthosis for FES­aided gait, IEEE Trans on Neural Systems and Rehabilitation Engineering, 11(3):241­248, 2003.

21. M Monga, A Gawlik and W Durfee, Systematic evaluation of ureteral access sheaths, Urology, 63(5):834­6, 2004.

22. M Monga, J Anderson and W Durfee, Physical properties of flexible ureteroscopes: implications for

clinical practice, J Endourology, 18(5):462­5, 2004.

23. M Monga, J Premoli, N Skemp and W Durfee, Forearm compression by laparoscopic hand assist devices, J Endourology, 18(7):654­656, 2004.

24. DN Mallick, C Adams, WK Durfee, A Erdman and PA Iaizzo, An experiential approach to preparing students for leadership in managing technology, Decision Line, pp. 4­22 , July 2005.

25. W Durfee and A Rivard, Design and simulation of a pneumatic, stored­energy, hybrid orthosis for gait

restoration, J Biomechanical Eng, 127(6):1014­1019, 2005.

26. S Pasalar, AV Roitman, WK Durfee and TJ Ebner, Force field effects on cerebellar Purkinje cell discharge with implications for internal models, Nat Neurosci., 9(11):1404­11, 2006.

27. WK Durfee, L Savard and S Weinstein, Technical feasibility of remote assessments for rehabilitation, IEEE Trans. Neural Systems and Rehabilitation Engineering, 15(1):23­29, 2007.

28. JR Carey, WK Durfee, E Bhatt, A Nagpal, SA Weinstein, KM Anderson and SM Lewis, Comparison of finger tracking versus simple movement training via telerehabilitation to alter hand function and cortical reorganization after stroke, Neurorehabilitation and Neural Repair, 21:216­232, 2007.

29. RN Pedro, K Hendlin, WK Durfee and M Monga, Physical characteristics of next­generation ureteral access sheaths: buckling and kinking, Urology, 70:440–442, 2007.

30. T Holden, RN Pedro, K Hendlin, W Durfee and M Monga, Evidence­based instrumentation for flexible

ureteroscopy: a review, J Endourology. 22(7): 1423­1426, 2008.

31. DM Goldman, RN Pedro, A Kossett, W Durfee and M Monga, Maximizing stone fragmentation efficiency with ultrasonic probes: impact of probe pressure and rotation, J Urology, 181(3):1429­1433, 2009.

32. M Ahmed, RN Pedro, S Kieley, JW Akornor, WK Durfee and M Monga, Systematic evaluation of ureteral

occlusion devices: insertion, deployment, stone migration and extraction, Urology, 73(5):976­80, 2009.

33. WK Durfee, SA Weinstein, E Bhatt, A Nagpal and JR Carey, Design and usability of a home telerehabilitation system to train hand recovery following stroke, Journal of Medical Devices, 3(4):041003, 2009.

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34. KA Shorter, GF Kogler, E Loth, WK Durfee, ET Hsiao­Wecksler, A portable powered ankle­foot orthosis

for rehabilitation, J Rehab Res Dev, 48(4):459­472, 2011.

35. H Deng, WK. Durfee, DJ Nuckley, B Rheude, AE Severson, KM Skluzacek, KK Spindler, C Davey and JR Carey, Complex versus simple ankle movement training in stroke using telerehabilitation: a randomized controlled trial, Physical Therapy, 92(2):197­209, 2012.

36. A Bartlett, L Wales, WK Durfee, SL Griffith, I Bently, Optimizing the effectiveness of a mechanical suture­based anulus fibrosus repair construct in an acute failure laboratory simulation, J Spinal Disord Tech, 26(7):393­9, 2013.

37. KA Shorter, J Xia, ET Hsiao­Wecksler, WK Durfee and GF Kogler, Technologies for powered ankle foot orthotic systems: possibilities and challenges. In press, IEEE Trans Mechatronics, 18(1):337­347, 2013.

38. J Xia and WK Durfee, Analysis of small­scale hydraulic actuation systems. ASME Journal of Mechanical Design, 135(9):091001­1 ­ 091101­11, 2013.

39. H Deng, TJ Kimberley, WK Durfee, BL Dressler, C Steil, JR Carey. Combined statistical analysis method assessing fast versus slow movement training in a single­case with cerebellar stroke. Physical Therapy, 93(5):649­60, 2013.

40. WK Durfee, J Young, HF Ginz. Inter­electrode tissue resistance is not affected by tissue edema when electrically stimulating the lower limb of sepsis patients, J Medical Engineering & Technology, 38(4):227­231, 2014.

BOOK CHAPTERS 1. WK Durfee, Muscle model identification in neural prosthesis systems. In Neural Prostheses: Replacing

Motor Function After Disease or Disability, Eds. R. Stein and H. Peckham, Oxford University Press, 1992.

2. WK Durfee, From idea to product. In Biomechanics and Neural Control of Movement, Eds. J. Winters

and P. Crago, Springer­Verlag, 2000.

3. H Krebs, N Hogan, W Durfee and H Herr, Rehabilitation robotics, orthotics, and prosthetics. In Textbook of Neural Repair and Rehabilitation, Vol. II, Medical Rehabilitation. Chap. 12, Selzer, Clarke, Cohen, Duncan, Gage, eds., Cambridge University Press, 2006.

4. WK Durfee and PA Iaizzo. Rehabilitation and muscle testing. In: Encyclopedia of Medical Devices and Instrumentation, 2nd ed. J.G. Webster, ed., Vol 6, pp 62­71, Hoboken, John Wiley & Sons, 2006.

5. PA Iaizzo and WK Durfee, Functional force assessment of skeletal muscles, in Springer Handbook of Medical Technology, Kramme, Rüdiger; Hoffmann, Klaus­Peter; Pozos, Robert Steven (Eds.), Springer 2011.

PEER­REVIEWED CONFERENCE PROCEEDINGS 1. Rosen, M and W. Durfee. Preliminary report on EYECOM, an eye­movement system for non­vocal

communication. Proceedings of the 5th Conference on Systems and Devices for the Disabled, Houston, l978.

2. Rosen, M and W. Durfee. Peripheral nerve stimulation, a simple circuit for analog control of pulse

duration and amplitude. Proceedings of the l3th Annual Meeting of the Association for the Advancement of Medical Instrumentation, Washington D.C., l978.

3. Durfee, W., M Rosen, and R Hussey. A soft, conductive elastomer nerve stimulation electrode.

Proceedings of the 33rd Annual Conference on Engineering in Medicine and Biology, W.ashington, DC, ________________________________________________________________________________________________________________________

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l980. 4. Durfee, W. Task control with an electrically stimulated antagonist muscle pair. Proceedings of the

International Symposium on Artificial Organs, Biomedical Engineering, and Transplantation in Honor of the 75th Birthday of Willem J. Kolff, pp 559­572, Salt Lake City, 1986.

5. Durfee, W. Control of electrically stimulated antagonist muscles. Proceedings of the Twelfth Annual

Northeast Bioengineering Conference, New Haven, 1986. 6. Durfee, W. Nonlinear muscle length­tension curves affect the control of electrically stimulated antagonist

muscles. Proceedings of the 1986 American Control Conference, pp 392­393, Seattle, 1986. 7. Durfee, W. and T Mariano. Command channels for upper limb neural prostheses. Proceedings of the

10th Annual Conference on Rehabilitation Technology, pp 624­626, San Jose, 1987. 8. Durfee, W. and K MacLean. Recruiting isometric muscle force by electrical stimulation. Proceedings of

the Ninth Annual Conference of the IEEE Engineering in Medicine and Biology Society, pp 1380­1381, Boston, 1987.

9. Hausdorff, J and W. Durfee. Hybrid gait orthosis using controllable damping elements. Proceedings of

the International Conference of the Association for the Advancement of Rehabilitation Technology, pp 348­349, Montreal, 1988.

10. Durfee, W. and K MacLean. Identifying isometric recruitment curves of electrically stimulated muscle.

Proceedings of the Tenth Annual International Conference of the IEEE Engineering in Medicine and Biology Society, pp 1658­1659, New Orleans, 1988.

11. Durfee, W. Braked hybrid FES orthosis for restoring paraplegic gait: concept and single­joint emulator.

In R.L. Spilker and B.R. Simon (editors) Computational Methods in Bioengineering, pp 473­479, 1988. Presented at the Winter Annual Meeting of the American Society of Mechanical Engineers, Chicago, 1988.

12. Durfee, W. and J Dennerlein. EMG as a feedback signal in surface FES applications: issues and

preliminary results. Proceedings of the Eleventh Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Seattle, 1989.

13. Durfee, W. and D DiLorenzo. Linear and nonlinear approaches to control of single joint motion by

functional electrical stimulation. Proceedings of the 1990 American Control Conference, pp 1042­1047, San Diego, 1990.

14. Durfee, W. and D DiLorenzo. Sliding mode control of FNS knee joint motion. Proceedings of the First

World Congress of Biomechanics, p 329, San Diego, 1990. 15. Durfee W., S Dubowsky, and H Idris. Real­time control of the MIT vehicle emulation system.

Proceedings of the 1991 American Control Conference, Boston, 1991. 16. Durfee, W. VISDYCON: VISual DYnamics and CONtrol. Proceedings of the 1991 IFAC Conference on

Advances in Control Education, pp 128­131, Boston, 1991. 17. Durfee, W. Control of standing and gait using electrical stimulation: influence of muscle model

complexity on control strategy. Proceedings of the 1991 International Symposium on Natural and Artificial Control of Hearing and Balance, Rheinfelden, Switzerland, 1991.

18. Chesler, N. and W. Durfee. EMG as an indicator of fatigue during functional electrical stimulation.

Proceedings of the Thirteenth Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Orlando, 1991.

19. Karu, Z. and W. Durfee. Optimizing muscle force for functional electrical stimulation. Proceedings of

the Eighteenth Annual Northeast Bioengineering Conference, University of Rhode Island, 1992.

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20. Sekiguchi, I. and W. Durfee. System identification and control of an electrically stimulated human thumb using neural networks. Proceedings of the First International Conference on Motion and Vibration Control, pp 941­946, Yokohama, Japan, 1992.

21. Durfee, W., J. Chiou and H. Beck. Dynamic musculo­skeletal model for FES­aided gait applications.

Proceedings of the Fourteenth Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 1335­6, Paris, 1992.

22. Durfee, W., and M. Goldfarb Design of a controlled­brake orthosis for regulating FES­aided gait.

Proceedings of the Fourteenth Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Paris, 1337­8, 1992.

23. Karu, Z. and W. Durfee. Using pulse doublets to enhance muscle force for FES. Proceedings of the

Fourteenth Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 1356­7, Paris, 1992.

24. MacLean, K. and W. Durfee. Rapid prototyping of physical human interfaces: initial concepts. Winter

Annual Meeting of the American Society of Mechanical Engineers, 1992. 25. Beck, H. and W. Durfee. A comparison of methods for estimating isometric recruitment curves in human

quadriceps muscle. Proceedings of the 19th Annual Northeast Bioengineering Conference, 1993. 26. Durfee, W. The MIT New Products Program. Proceedings of the 1993 American Society for

Engineering Education Annual Conference, 1993. (Winner, Best Paper Award) 27. Durfee, W. and M. Goldbarb. Design of a wearable orthosis for applying controlled dissipative loads to

the lower limbs. Winter Annual Meeting of the American Society of Mechanical Engineers, 1993. 28. Durfee, W. Teaching microprocessors to mechanical engineers: lessons from a project­based, creative

design course. Winter Annual Meeting of the American Society of Mechanical Engineers, Paper number 93­WA/DSC­8, 1993.

29. Chen, Y. and W. Durfee, Discrete and continuous inputs as command control sources for rehabilitation

robot manipulators. Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 1228­1229, San Diego, 1993.

30. Durfee, W., M. Goldfarb, A. Wiegner and N. Walsh, Preliminary evaluation of a controlled­brake orthosis

for regulating FES­aided gait. Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 1234­1235, San Diego, 1993.

31. Beck, H. and W. Durfee, Estimation of isometric recruitment curves in human quadriceps muscle.

Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 1182­1183, San Diego, 1993.

32. Durfee, W. Verification of musculoskeletal models for FES applications, Proceedings of the IFAC

Symposium on Modeling and Control in Biomedical Systems, Galveston, 1994. 33. Durfee, W. Verification of I/O muscle models for FNS applications. Proceedings of the 2nd World

Congress on Biomechanics, Amsterdam, 1994. 34. Dubowsky, S., W. Durfee, T. Corrigan, A. Kuklinski, U. Muller, A laboratory test bed for space robotics:

the VES Mod II. Proceedings of the Intelligent Robots and Systems Conference, Munich, 1994. 35. Dubowsky, S., W. Durfee, A. Kuklinski, U. Muller, I. Paul, J. Pennington, The design and implementation

of a laboratory test bed for space robotics: the VES Mod II. Proceedings of the ASME Mechanisms Conference, Minneapolis, 1994.

36. Abushanab, H. and W. Durfee, Identification of passive and active joint properties for use in FES.

Proceedings of the 16th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Baltimore, 1994. ________________________________________________________________________________________________________________________

WILLIAM K. DURFEE CV 11

37. Durfee, W. and B. Dunn, Experimental verification of a 2­joint, lower limb musculoskeletal model for

FES­aided gait applications. Proceedings of the 1995 IEEE Engineering in Medicine & Biology 17th Annual Conference, Montreal, 1995.

38. Durfee, W., R. Cardozo, A. Erdman, A. Kurawarwala and A. Shocker, "New product design and

development", a multidisciplinary graduate level course. Proceedings of the Fourth World Conference on Engineering Education, Vol. 3, 256­259, St. Paul, 1995.

39. MacLean, K. and W. Durfee, An apparatus to study the emulation of haptic feedback, Proceedings of the ASME Dynamic Systems and Control Division, DSC­Vol. 55, 1995.

40. Pavlovic, J.L , S.J. Kirstukas, C.A. Bourgeault, J.E. Bechtold, W.K. Durfee, R.B. Gustilo, Influence of Q angle on patellofemoral tracking during a simulated walking cycle, ASME Advances in Bioengineering, BED­33:445­446, 1996.

41. Pavlovic, J.L., W.K. Durfee, J.E. Bechtold, C.A. Bourgeault, “Repeatability of kinematic readings for a dynamic knee simulation system”, ASME Advances in Bioengineering, BED­35:131­132, 1997.

42. Durfee, W., C. Hendrix, P. Cheng, G. Varughese, Influence of haptic and visual displays on the

estimation of virtual environment stiffness, Proceedings of the ASME Dynamic Systems and Control Division, DSC­Vol. 61, 139­144, 1997.

43. Durfee, W., The new product design and business development program: Engineers and business students join with industry to create new products, Proceedings of the 1999 ASEE Annual Conference (CD­ROM), Charlotte, 1999.

44. Durfee, W., A hands­on introduction to engineering course for large numbers of students, Proceedings of the 1999 ASEE Annual Conference (CD­ROM), Charlotte, 1999.

45. Hendrix, C, P. Cheng, W. Durfee, Relative influence of sensory cues in a multi­model virtual environment, Proceedings of the ASME Dynamic Systems and Control Division, DSC­Vol. 63, 59­64, 1999.

46. Durfee, W., Mechatronics for the masses: Running a hands­on robot project in a large, introductory design course, Proceedings of the 2000 Meeting of the North Mid­West Section of the ASEE (CD­ROM), Minneapolis, 2000.

47. Rainoldi, A., W. Durfee and R. Merletti., Twitch summation with double stimulation, Proceedings of the 7th Vienna International Workshop on Functional Electrical Stimulation, 106­109, 2001.

48. Wachtel, J., Durfee, W.K., Rosenthal, T.J., Schold­Davis, E., and Stern, E.B. Evaluation of a Low­Cost, PC­Based Driving Simulator to Assess Persons with Cognitive Impairments Due to Brain Injury. Proceedings of the First International Driving Symposium on Human Factors in Driver Assessment, Training and Vehicle Design. Aspen, CO. pp.293­294., 2001.

49. Wachtel, J, Durfee, WK, Rosenthal, TJ, Schold Davis, and E, Stern, EB, Low­Cost Simulation as a Tool

to Assess the Driving Ability of Persons with Cognitive Impairments from Brain Injury. In P.T. McCabe (Ed.), Contemporary Ergonomics 2000, London: Taylor & Francis, 2000.

50. Stern, EB, Durfee W, Rosenthal TJ, Schold­Davis E, Wachtel J, (2002). Pilot study of driving simulation with persons with brain injury and cognitive deficit. World Federation of Occupational Therapy (13th World Congress of Occupational Therapists), Stockholm, Sweden, 2002.

51. Monga M, Durfee W: Evaluating flexible ureteroscope strength: buckling pressures and strength of deflection. Journal of Endourology 16 (Suppl) PO8­3, 2002.

52. Premoli J, Durfee W, Skemp N, Monga M: Forearm compression by laparoscopic hand­assist devices. Journal of Endourology 16 (Suppl) PO18­20, 2002. ________________________________________________________________________________________________________________________

WILLIAM K. DURFEE CV 12

53. Gawlik A, Durfee W, Monga M: Physical characteristics of ureteral access sheaths. Journal of Endourology 16 (Suppl) PO26­4, 2002.

54. Adams, C., W. K. Durfee, A. G. Ardman, P. Iaizzo, and D. N. Mallick, "An Experiential Approach to Preparing Students for Leadership in Managing Technology," In Proceedings of the Annual Meeting of the Decision Sciences Institute, Washington, D.C., November, 2003.

55. C. Hendrix, W. Durfee. Human motor performance while using a single DOF haptic interface, Eleventh Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems, IEEE Virtual Reality 2003 (IEEE­VR2003), pp. 70­76, IEEE Computer Society Press, 2003.

56. G. Routh, W. Durfee, Doublet stimulation to reduce fatigue in electrically stimulated muscle during controlled leg lifts. Proceedings of the 26th Annual International Conference IEEE Engineering in Medicine and Biology Society, October 2003.

57. Durfee, W., P. Li, D. Waletzko, Take­home lab kits for system dynamics and controls courses. Proceedings of the 2004 American Control Conference, pp. 1319­22, June 2004.

58. Durfee, W. and Rivard, A., Preliminary design and simulation of a pneumatic, stored­energy, hybrid orthosis for gait restoration. Proceedings of the 2004 ASME International Mechanical Engineering Congress, November 2004.

59. Durfee, W., P. Li, and D. Waletzko, At­home system and controls laboratories, Proceedings of the 2005 American Society for Engineering Education Annual Conference & Exposition, Session 1526, June 2005.

60. Durfee, W., S. Weinstein, J. Carey, E. Bhatt, A. Nagpal, Home stroke telerehabilitation system to train recovery of hand function. Proceedings of the 2005 IEEE 9th International Conference on Rehabilitation Robotics, pp. 353­356, July 2005.

61. W Durfee, P Li and D Waletzko, At­home system and controls laboratories, Proceedings of the 2005 ASME International Mechanical Engineering Congress, November 2005.

62. WK Durfee, Gait restoration by functional electrical stimulation, In Climbing and Walking Robots: Proceedings of the 8th International Conference on Climbing and Walking Robots (CLAWAR 2005), Tokhi MO, Virk GS, Hossain MA eds, pp 19­26, 2006, Springer.

63. E Stern, V Barth, W Durfee, M Rosen, T Rosenthal, E Schold­Davis, C Schaffer, J Wachtel, M Watson and J Zola, A protocol for avoiding driving simulator sickness, New Approaches to Simulation and the Older Operator: 4th Annual STISIM Drive User Group Meeting, Cambridge MA, 2006.

64. WK Durfee, L Savard and S Weinstein, Technical feasibility of tele­assessments for rehabilitation, Proceedings of the 5th International Workshop on Virtual Rehabilitation, New York, NY, 2006.

65. S Freeman and WK Durfee, Twitch response of the intact human tibialis anterior muscle to doublet stimulation at graded strengths, Proceedings of the 28th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, New York, NY, 2006.

66. M Goldman, RN Pedro, W Durfee and M Monga, Impact of probe pressure and rotation on efficacy of

ultrasonic lithotropsy, Proceedings of the Annual Meeting of the American Urological Association, San Francisco, 2008, and J. Urology, 179(4), Supplement:502, 2008.

67. A Kangude, B Burgstahler, J Katsys and W Durfee, Single channel hybrid FES gait assist system, J Med

Devices, 3(2), 027502, 2009. 68. L Tian, DB Kittelson and WK Durfee, Miniature HCCI free­piston engine compressor for orthosis

application, SAE technical paper 2009­32­0176, Proceedings of the SAE Small Engine Technology Conference, 2009.

69. W Durfee, J Carey, D Nuckley and H Deng, Design and implementation of a home stroke

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telerehabilitation system, Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2422­5, 2009.

70. A Kangude, B Burgstahler, J Kakastys and W Durfee, Single channel hybrid FES gait system using an

energy storing orthosis: preliminary design, Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 6798­801, 2009.

71. H Deng, WK Durfee, DJ Nuckley, B Rheude, A Severson, K Skluzacek, K Spindler and JR Carey, Ankle

tracking training in stroke telerehabilitation, 39th annual meeting of the Society for Neuroscience, 2009. 72. WJ Yoo, R DiFabio, WK Durfee and JR Carey, Cortical activation during controlled breathing in healthy

adults, 39th annual meeting of the Society for Neuroscience, 2009. 73. W Durfee, P Iaizzo, B Burgstahler and S Ponkshe, Non­invasive muscle force assessment apparatus for

use in the intensive care unit, Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 5835­8, 2010.

74. A Kangude, B Burgstahler and W Durfee, Engineering evaluation of the energy­storing orthosis FES gait

system, Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 5927­30, 2010.

75. HA Quintero, RJ Farris, WK Durfee and M Goldfarb, Feasibility of a hybrid­FES system for gait

restoration in paraplegics, Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 483­6, 2010.

76. KA Shorter, GF Kogler, E Loth, WK Durfee and ET Hsiao­Wecksler, A pneumatically powered portable

ankle­foot orthosis, 34rd Annual Meeting of the American Society of Biomechanics, Providence, August, 2010.

77. L Tian, DB Kittelson and WK Durfee, Experimental tests and simulations of a 1.5 cc miniature

glow­ignition two­stroke engine, SAE 2010­32­0018, Proceedings of Small Engine Technology Conference, Linz, Austria, 2010.

78. H Deng, W Durfee, D Nuckley, B Rheude, A Severson, K Skluzacek, K Spindler and J Carey, Ankle

tracking training in stroke telerehabilitation, Annual Meeting of Society for Neuroscience, 2010. 79. DR Berg, A Carlson, WK Durfee, RM Sweet and T Reihsen, Low­cost, take­home beating heart

simulator for health­care education, Proceedings of the Medicine Meets Virtual Reality Conference, Published in Stud Health Technol Inform, 163:57­9, 2011.

80. W Durfee, H Deng, D Nuckley, B Rhude, A Severson, K Skluzacek, K Spindler, C Davey, J Carey, Home­based system for stroke rehabilitation, Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 1823­6, 2011.

81. W Durfee, J Xia, E Hsiao­Wecksler, Tiny hydraulics for powered orthotics, IEEE International Conference on Rehabilitation Robotics, 1­6, 2011.

82. EA Morris, KA Shorter, Y Li, GF Kogler, T Bretl, WK Durfee, ET Hsiao­Wecksler, Actuation timing strategies for a portable powered ankle foot orthosis, Proceedings of the ASME Dynamic Systems and Control Conference, 2011

83. J Xia, K Braun and W Durfee, Small­scale hydraulics for human assist devices, 2011 Design of Medical Devices Conference, Published in J. Med. Devices 5, 027530, 2011.

84. J Xia and WK Durfee, Modeling of tiny hydraulic cylinders, Proceedings of the 52nd National Conference on Fluid Power, Paper 25.3 Las Vegas, 2011.

85. L Tian, DB Kittelson and WK Durfee, Model based design of a miniature free­piston engine compressor,

Proceedings of the 52nd National Conference on Fluid Power, Las Vegas, 2011. ________________________________________________________________________________________________________________________

WILLIAM K. DURFEE CV 14

86. WK Durfee, B Adams, AJ Appelsies, P Flash, A writing program for mechanical engineering, Proceedings of the 2011 Annual Conference of the American Society for Engineering Education, 2011.

87. B Steinmann, V Mallela, W Durfee, Design and initial testing of a hybrid FES gait­assist system. J. Medical Devices, 6(1):017565.1, 2012.

88. HF Ginz, PA Iaizzo, WK Durfee, Next generation of a non­invasive­stimulated muscle force assessment system to study the ICU patient. J. Medical Devices, 6(1), 2012.

89. J Xia, K Houle, C Mulcahy, W Durfee, Hydraulic ankle foot orthosis, J. Medical Devices, 6(1), 2012.

90. HF Ginz, PA Iaizzo, WK Durfee, Non­invasive stimulated muscle force assessment, 5th Basel Muscle

Symposium on Skeletal Muscle, Basel, Switzerland, May 2013.

91. J Xia, W Durfee, Experimentally validated models of O­ring seals for tiny hydraulic cylinders. Proceedings of the ASME/BATH 2014 Symposium on Fluid Power & Motion Control, 2014.

92. K Boughner, W Durfee, Preliminary design of an energy storing orthosis for providing gait to people with spinal cord injury. Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2581­4, 2014.

93. B Neubauer, J Nath, W Durfee, Design of a portable hydraulic ankle­foot orthosis. Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 1182­5, 2014

REPORTS, TECHNICAL MAGAZINES, POPULAR PRESS 1. W Durfee, Engineering education gets real, Technology Review, Feb/Mar 1994. 2. W Durfee, Teaching MEs to use microprocessors, Mechanical Engineering, 116(4):74­76, April 1994.

3. A Erdman and W Durfee, Pac­Man, calluses and the undergraduate engineering design student,

Educators' Tech Exchange, 3(1):16­23, Spring/Summer 1995. 4. W Durfee, Staying grounded in reality, Mechanical Engineering, 144(10):40, October 2000. 5. W Durfee and Z Sun, Fluid Power System Dynamics, Center for Compact and Efficient Fluid Power,

2009. (a short book)

6. W. Durfee and P. Iaizzo, Medical Device Innovation Handbook, University of Minnesota Medical Devices Center, 2014. (a short book)

________________________________________________________________________________________________________________________ WILLIAM K. DURFEE CV

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INVITED LECTURES 1. “Controlling Electrically Stimulated Antagonist Muscles”, Neural Prostheses: Motor Control I,

Engineering Foundation Conference, Henniker, NH, August 1985. 2. “FES Research at MIT”, The Burke Rehabilitation Center, White Plains, NY, December 1987. 3. “Muscle Modeling and Identification”, Neural Prostheses: Motor Control II, Engineering Foundation

Conference, Potosi, MO, July 1988. 4. “FES Exercise”, The Burke Rehabilitation Center, White Plains, NY, March 1989. 5. “Biomechanics at MIT”, The MIT Club of Providence, Providence, RI, April 1989. 6. “FES Research at MIT”, Bioengineering Society of the Boston Chapter of the IEEE, Cambridge, MA,

May 1989. 7. “Educating the New Design Engineer”, ILP Symposium on Smart Machines, Cambridge, MA, October

1989. 8. “Restoring Function to Paralyzed Muscles”, Hanscom Chapter of Sigma Xi, Hanscom AFB, Lexington,

MA, February 1990. 9. “Restoring Function to Paralyzed Muscles Through Functional Electrical Stimulation”, Grand Rounds,

Spaulding Rehabilitation Hospital, Boston, MA, April 1991. 10. “Control of Standing and Gait using Electrical Stimulation: Influence of Muscle Model Complexity on

Control Stragegy”, Presented at the International Symposium on Natural and Artificial Control of Hearing and Balance, Rheinfelden, Switzerland, September 1991.

11. “Estimating Dynamic Properties of Isolated, Electrically Stimulated Muscle”, NeuroMuscular Research

Center, Boston University, October 1991. 12. “Restoring Function to Paralyzed Individuals Through Controlled Electrical Stimulation of Muscles”,

Mechanical Engineering Seminar Series, MIT, November 1991. 13. “A Brief Introduction to Control Systems”, Department of Physics, Mount Holyoke College, South

Hadley, MA, March 1992. 14. “Restoring Function to Paralyzed Muscles Through Controlled Electrical Stimulation”, The Greater

Boston Chapter of the National Spinal Cord Injury Association, Woburn, MA, September 1992. 15. “Electrical Stimulation of Paralyzed Muscles”, Department of Mechanical Engineering, Aeronautical

Engineering and Mechanics Colloquium Program, Rensselaer Polytechnic Institute, Troy, NY, October 1992.

16. “Electrical Stimulation of Paralyzed Muscles”, Grand Rounds, Spaulding Rehabilitation Hospital, Boston,

MA, January 1993. 17. “Hands­On Design”, Mechanical Engineering Seminar Series, MIT, Cambridge, MA, May 1993. 18. “Using Electrical Stimulation to Restore Function to Paralyzed Muscle”, Department of Mechanical

Engineering Seminar, University of Minnesota, February 1994. 19. “Design Education”, 3M Technical Forum, Product Design Chapter, 3M Corporation, Minneapolis, MN,

February 1994. 20. “Functional Electrical Stimulation for Gait Restoration”, Biomedical Engineering Seminar Series,

University of Minnesota, March 1994.

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16

21. “Using Electrical Stimulation to Restore Function to Paralyzed Muscle”, Seminar Series, VA Medical

Center, Minneapolis, MN, March 1994. 22. “Using EMG as a control signal in FES applications”, Neural Prostheses: Motor Systems IV, Mt. Sterling,

OH, July 1994. 23. “Update on the Design Education Program”, 3M Technical Forum, Product Design Chapter, 3M

Corporation, Minneapolis, MN, May 1995. 24. “Functional Neural Stimulation for Gait Restoration”, Biomedical Engineering Distinguished Speaker

Series, University of Tennessee, Memphis, TN, November 1995. 25. “From Idea to Product”, Biomechanics and Neural Control of Movement IX, Mt. Sterling, OH, June 1996. 26. “Functional Neural Stimulation for Gait Restoration”, Biomechanics Lab, Mayo Clinic, Rochester MN,

September 1996. 27. “Functional Neural Stimulation for Gait Restoration”, Physical Medicine and Rehabilitation Seminar

Series, Mayo Clinic, Rochester MN, October 1996. 28. “Writing Across the Disciplines, Lessons from the University of Minnesota”, Third Annual Writing Across

the Curriculum Conference, Charleston SC, February 1997. 29. “Functional Neural Stimulation for Gait Restoration”, Department of Mechanical Engineering Seminar

Series, Louisiana State University, Baton Rouge LA, April 1997. 30. “Control Issues In Functional Neural Stimulation To Restore Motor Functions”, American Control

Conference, Albuquerque NM, June 1997. 31. “Using N­Let Pulse Trains To Reduce Fatigue In FES”, Neural Prostheses: Motor Systems V,

Vancouver Canada, August 1977. 32. “Design Education”, Department of Civil Engineering Seminar Series, University of Minnesota,

Minneapolis, MN, February 1998. 33. “Virtual Product Prototyping”, 3M Technical Forum, Product Design Chapter, 3M Corporation,

Minneapolis, MN, April 1998. 34. “Virtual Product Prototyping”, Center for Cognitive Sciences Colloquium, University of Minnesota,

Minneapolis, MN, April 1998. 35. “Engineering Design Education”, Department of Industrial Engineering Seminar Series, Ohio State

University, Columbus, OH, April 1998. 36. “Using Electrical Stimulation to Restore Function to Paralyzed Muscles”, Center for Bioengineering,

Politecnico di Milano, Milan, Italy, October, 1998. 37. “Using Electrical Stimulation to Restore Function to Paralyzed Muscles”, Politecnico di Torino, Torino,

Italy, November 1998. 38. “Engineering Design Education”, Politecnico di Torino, Torino, Italy, November 1998. 39. “Engineering Design Education”, Department of Electrical Engineering Seminar Series, University of

Ljubljana, Ljubljana, Slovenia, December 1998.

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17

40. “Virtual Environments for Product Prototyping”, Department of Electrical Engineering Seminar Series, University of Ljubljana, Ljubljana, Slovenia, December 1998.

41. “Virtual Environments for Product Prototyping”, Department of Biomedical Engineering Seminar Series, University of Alberta, Edmonton, Canada, January 1999.

42. “Do Clothing Designers and Engineers Have Anything in Common?”, Design Institute, University of Minnesota, Minneapolis, MN, January 1999.

43. “Engineering Design Education”, Department of Mechanical Engineering Seminar Series, Vanderbilt University, Nashville, TN, April 1999.

44. “Using Electrical Stimulation to Restore Function to Paralyzed Muscles”, Neurosciences Summer Workshop, Itaska, MN, June 1999.

45. “Thinking Like A Designer”, Elderhostel Program, Minneapolis, MN, August and October, 1999.

46. “Technology for Persons with Disabilities”, DARPA Soldier Enhancement Workshop, Arlington, VA,

September 1999.

47. “System Identification of Electrically Stimulated Human Muscle With Applications To Gait Restoration Technologies”, Control Science and Dynamical Systems Seminar Series, University of Minnesota, Minneapolis, MN, February 2000.

48. “Using Electrical Stimulation to Restore Function to Paralyzed Muscles”, ASME Student Chapter, University of Minnesota, Minneapolis, MN, March 2000.

49. “A Successful Engineering Design Education Program Incorporating ‘Hands­On’ and Interaction with Industry”, TEND 2000, Abu Dhabi, United Arab Emirates, April 2000.

50. “Be Hands­On,” Commencement address, Mechanical Engineering Department Graduation Ceremony, University of Minnesota, Minneapolis, MN, May 2000.

51. “The New Product Design And Business Development Program: Engineers And Business Students Join With Industry To Create New Products,” International Council on Systems Engineering 2000 Symposium, Academic Forum, Minneapolis, MN, July 2000.

52. “Multimodal Haptics,” Haptics, Virtual Reality, and Human Computer Interaction Workshop, Institute for Mathematics and its Applications, University of Minnesota, Minneapolis, MN, June 2001.

53. “Engineering Education and the Real World,” Theta Tau Founders' Day Dinner, Minneapolis, MN, October 2001.

54. “Virtual Product Prototyping,” The Lindbergh Lecture Series, Department of Mechanical Engineering, University of Wisconsin, Madison, WI, October 2001.

55. “Can Design be Taught,” Department of Biomedical Engineering Seminar Series, University of Alberta, Edmonton, Alberta, Canada, December 2001.

56. “Can Design be Taught,” Division of Engineering and Applied Physics Seminar Series, Harvard University, Cambridge, MA, April 2002.

57. “Optimal Secondary Controls Using a Configurable Haptic Interface,” Transportation Research Conference, Center for Transportation Studies, St. Paul, MN, May 2004.

58. “New Product Development: An Engineer's View,” Strategic Marketing Program, Carlson Executive

Development Center, University of Minnesota, Minneapolis, MN, November 2004.

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59. “Practical Applications of Neuromuscular Stimulation”, Department of Veterinary and Biomedical Sciences Seminar Series, University of Minnesota, Minneapolis, MN, February 2005.

60. “New Product Design and Business Development”, Regional Meeting of the Biomedical Engineering Society, in association with the 2005 Design of Medical Devices Conference, Minneapolis, MN, April 2005.

61. “Practical Applications of Neuromuscular Stimulation,” Medtronic Technical Forum, Minneapolis, MN, May 2005.

62. “It Aint Over Yet,” Commencement address, Mechanical Engineering Department Graduation Ceremony, University of Minnesota, Minneapolis, MN, May 2005.

63. “Reanimating Paralyzed Limbs with Neuromuscular Stimulation,” Keynote Address, 8th International Conference on Climbing and Walking Robots, London, England, September 2005.

64. “Prospects for Telerehabilitation, Learning From Examples”, College of Nursing and Health Science Seminar, University of Vermont, Burlington, VT, February 2006.

65. “Reanimating Paralyzed Limbs with Neuromuscular Stimulation,” Department of Mechanical Engineering

Seminar, University of Vermont, Burlington, VT, February 2006.

66. “A Rehabilitation Engineering Sampler”, Department of Mechanical Engineering Seminar, Vanderbilt University, Nashville, TN, April 2006.

67. “Product Design Programs”, 2006 Design of Medical Devices Conference, Minneapolis, MN, April 2006.

68. “Technical Feasibility of Tele­Assessments for Rehabilitation”, 5th International Workshop on Virtual Rehabilitation, New York, NY, September 2006.

69. “Design Case Studies in Rehabilitation Engineering,” School of Engineering, University of St. Thomas, St. Paul, MN, March 2007.

70. “Design Case Studies in Rehabilitation Engineering: Gait Assist and Home Stroke Therapy,” University

of Illinois Urbana/Champaign, IL, September 2007. 71. “Practical Applications of Muscle Stimulation,” Paul and Sheila Wellstone Muscular Dystrophy Center,

University of Minnesota, Minneapolis, MN, October 2007.

72. “Educating the Medical Device Engineer: An Academic’s View”, Design of Medical Devices Conference, Minneapolis, MN, April 2008.

73. “Advanced Technology for Rehabilitation”, Medical Devices Center, University of Minnesota,

Minneapolis, MN, September 2008.

74. “Fluid Power Education”, Invited panel presentation, SAE 2008 Commercial Vehicle Engineering Congress, Rosemont, IL, October 2008.

75. “Innovations in Powered Lower Limb Orthotics,” Department of Biomedical Engineering, Technion ­ Israel Institute of Technology, Haifa, Israel, January 2009.

76. “Telerehabilitation to Promote Brain Reorganization and Improved Ankle Function in People With Stroke”, Education Course, American Physical Therapy Association Combined Sections Meeting, Las Vegas, NV, February 2009.

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77. “Electrical Stimulation for Non ­Invasive Assessment of Muscle Function,” Symposium on Neuroengineering, University of Minnesota, Minneapolis, MN, February 2009.

78. “Design and Implementation of a Home Stroke Telerehabilitation System,” Center for Clinical Movement Science, University of Minnesota, Minneapolis, MN, February, 2009.

79. “Be Part of the Solution,” Department of Mechanical Engineering Graduation Ceremony, University of

Minnesota, Minneapolis, MN, May, 2009.

80. “Fluid Power Education in the Undergraduate Engineering Curriculum,” NFPA Industry and Economic Outlook Conference, Wheeling, IL, August, 2009.

81. “The Engineer’s View of ‘Writing’,” Writing Program Administrators Annual Conference, Minneapolis, MN, August, 2009.

82. “Advanced Technology for Rehabilitation”, Medical Devices Center, University of Minnesota, Minneapolis, MN, September, 2009.

83. “Home Stroke Telerehabilitation System,” Symposium on Neuroengineering, University of Minnesota, Minneapolis, MN, February, 2010.

84. “Advances in Rehabilitation Engineering,” Institute of Technology Science and Technology Day, University of Minnesota, Minneapolis, MN, February, 2010.

85. “Advances in Rehabilitation Engineering,” Department of Neurology Grand Rounds, University of Minnesota, Minneapolis, MN, March, 2010.

86. “Quick and Dirty Prototyping,” Product Design Symposium, College of Design, University of Minnesota,

Minneapolis, MN, September, 2010.

87. “Advanced Technology for Rehabilitation,” Medical Devices Center, University of Minnesota, Minneapolis, MN, October, 2010.

88. “Assistive Technology for Weakened Muscles Using Passive and Powered Exoskeletons,” Wellstone

Muscular Dystrophy Center, University of Minnesota, Minneapolis, MN, November, 2010. 89. “Prototyping Medical Devices,” 3rd Annual Institute for Engineering in Medicine Symposium, University

of Minnesota, Minneapolis, MN, December, 2010.

90. “Innovation and the New Product Development Process,” Academy of Innovation, Innovations in Cardiovascular Interventions Meeting, Tel Aviv, Israel, December, 2010.

91. “Patents: What the Innovator Needs to Know,” Academy of Innovation, Innovations in Cardiovascular Interventions Meeting, Tel Aviv, Israel, December, 2010.

92. “Powered Orthotics,” Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN,

March, 2011.

93. “Design of Tiny Fluid Power Systems,” Keynote address, Frontiers of Fluid Systems ­ Macro, Micro and Nano Workshop, ASME Dynamic Systems and Control Conference, Arlington VA, October, 2011.

94. “Transforming Engineering Education”, Panelist, ASME Dynamic Systems and Control Conference,

Arlington, VA, October 2011. 95. “Quick and Dirty Prototyping,” Keynote address, Medical Prototyping Conference, Minneapolis,

September, 2011. 96. “Cutting­Edge Robotics,” Panelist, Robotics Alley: Midwest Regional Robotics Leadership and

Opportunity conference, Minneapolis, Nov., 2011.

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20

97. “Powered Orthotics,” Neurology Seminar, University of Tel Aviv, Tel Aviv, December, 2011. 98. “Innovation and the New Product Development Process,” Academy of Innovation, Innovations in

Cardiovascular Interventions Meeting, Tel Aviv, Israel, December, 2011.

99. “Patents: What the Innovator Needs to Know,” Academy of Innovation, Innovations in Cardiovascular Interventions Meeting, Tel Aviv, Israel, December, 2011.

100.“Powered Orthotics,” Neural Prosthesis Seminar Series, Case Western Reserve University, Cleveland, February, 2012.

101.“Non­Invasive Muscle Assessment of Muscle Function,” Center for Clinical Movement Science

Colloquium, University of Minnesota, March, 2012.

102.“New Product Development Process” and “Patents”, Academy of Innovation, Innovations in Cardiovascular Interventions Meeting, Tel Aviv, Israel, December, 2012.

103.“Tiny Hydraulics for a Self­Contained Powered Ankle Foot Orthosis,” Design of Medical Devices Conference, Minneapolis, April 2013.

104.“Robots You Can Wear,” TEDxUMN, Minneapolis, April 2013.

105.“Powered Orthotics,” St. Thomas University, April 2013.

106.“New Product Development Process” and “Patents”, Academy of Innovation, Innovations in Cardiovascular Interventions Meeting, Tel Aviv, Israel, December, 2013.

107.“Motor Control and Biomechanics Considerations for Product Design”, Special workshop on human factors, Target Corporation, Minneapolis, June, 2014.

108.“Actuation Systems for Wearable Robots”, RERC on Technologies for Children with Orthopedic Disabilities State of the Science Symposium on Musculoskeletal Assessment and Modeling, Chicago, Aug. 2014.

109.“New Product Development Process”, Academy of Innovation, Innovations in Cardiovascular Interventions Meeting, Tel Aviv, Israel, December, 2014.

________________________________________________________________________________________________________________________ WILLIAM K. DURFEE CV

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THESES SUPERVISED Ph.D. 1. Goldfarb, Michael, "A Controlled Brake Orthosis for FES­Aided Gait", May 1994. 2. Beck, Heather, "Muscle Modeling and Parameterization for Use in Control via Electrical Stimulation",

January 1995. 3. MacLean, Karon, "Emulation of Haptic Feedback for Manual Interfaces", February 1996. 4. Jennifer Pavlovic, "Knee Simulation System for In Vitro Dynamic Measurement of Patellofemoral

Tracking and Intra­Articular Pressures in the Normal and Surgically Altered Knee Joint", January 1996. 5. Pi­Ming Cheng, "Development and Evaluation of a Multi­Modal Virtual Environment for Emulating

Product Interfaces”, May 1999. 6. Claudia Hendrix, “Human Motor Performance Involving Panel Displays that Incorporate Visual and

Haptic Feedback”, December 2002. 7. Rachel Weathers, “Force and EMG Twitch Response to Doublet Stimulation”, unfinished. 8. Siavash Pasalar, “Effects of Force Fields on Target Acquisition Tasks”, December 2005. 9. Tom Corrigan, "Kinematics of Manipulator Arrays", December 2005. 10. Jodi Prosise, "Neural Control Strategies for a Complex Biomechanical System: Motor Cortex and the

Hand", (co­advised with Ebner, Neuroscience) February 2010. 11. Lei Tian, “Miniature HCCI Free­Piston Engine Compressor”, February 2013. 12. Jicheng Xia, “Analysis, Modeling and Control of Small­Scale Hydraulic Systems”, expected 2015. 13. Andy Ries, “Ankle Foot Orthosis Ankle Stiffness Profiles for Improving Gait for Children with Diplegic

Cerebral Palsy”, expected 2015. 14. Brett Neubauer, “Control of Portable Hydraulic Assistive Machines”, expected 2017. 15. Saeed Hashemi, “Passive Hydraulic Rehabilitation Robot”, expected 2018. MASTERS 1. Mariano, Tom, "Man­Machine Interface for Upper Limb Neural Prosthesis Command Channels",

September 1987. 2. Godfrey, Ben, "Fast Access Optical Disk Drives: A Comparison of Rotary and Linear Actuators",

February 1988. 3. Hausdorff, Jeff, "Gait Orthosis Combining Controllable Damping and Muscle Stimulation", August 1988. 4. MacLean, Karon, "Estimation of Isometric Recruitment Curves of Electrically Stimulated Muscle", August

1988. 5. Dennerlein, Jack, "EMG of Electrically Stimulated Muscle", May 1989. 6. Zahradnik, Janet, "Shoulder Movement as a Command Control Source for Upper Limb Neural

Prostheses", August 1989. 7. Robbins, Andy, "Modelling Electrically Stimulated Muscle", February 1990. 8. Silverglate, Michael, "Servowriting in High Performance Disk Drives", May 1990. 9. Palmer, Karen, "Modeling and Indentification of Electrically Stimulated Muscle", September 1990. 10. Chesler, Naomi, "EMG as an Indicator of Fatigue During FES­Aided Standing of Paraplegics", May

1991. 11. Presing, Joseph, "Simultaneous Engineering in Car Body Process Design", May 1991. 12. Sekiguchi, Isao, "System Identification and Control of the Electrically Stimulated Human Thumb Using

Neural Networks", May 1991. 13. Willis, Dick, "Determining the Ability of the Disabled to Control Multiple Degree­of­Freedom Devices",

May 1991. 14. Huang, Susan, "A Multichannel Microstimulation Testbed for Muscle Activation", August 1991. 15. Idris, Husni, "Real­Time Control of a Six Degree­of­Freedom Vehicle Emulation System", April 1992. 16. Karu, Zoher, "Optimization of Force and Fatigue Properties of Electrically Stimulated Human Skeletal

Muscle", May 1992. 17. de Frondeville, Alex, "Design of a Device for Rapid Prototyping of Linear Manual Controls", January

1993. 18. Chen, Elaine, "Discrete and Continuous Inputs as Command Control Sources for Rehabilitation Robot

Manipulators", May 1993. 19. Chiou, Jeffrey, "Modelling and Simulation of Paraplegic Gait Induced by Functional Electrical

Stimulation", May 1993. 20. Kuklinski, Andrew, "Real­Time Control of the MIT VES System", May 1993. 21. Benjamin Dunn, "Musculo­Skeletal Modeling for FES", December 1995. 22. Kurt Korkowski, "Improving FES­Aided Gait with the Controlled­Brake Orthosis", June 1996.

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23. David Chiu, "Optimization of Force and Fatigue Properties with FES", June 1997. 24. Rob Kim, "Fluid Metering System for an Implantable Drug Delivery Device", May 1998. 25. George Varughese "Control of One Degree­of­Freedom Haptic Interfaces", June 1998. 26. Karl Oberjohn, "Evaluating a Musculoskeletal Model for Use with Functional Electrical Stimulation",

September 1998. 27. Brent Harrold, “Determining the Effectiveness of a Controlled Brake Orthosis in Improving FES­Aided

Gait”, November 1998. 28. Bhavanarayna Avula, “Development of Real and Virtual Prototypes for One Degree­of­Freedom Rotary

Switches”, January 1999. 29. Bethany Schumacher and Jill Wanous, “Muscle Fatigue During FES: The Effect of Doublet Stimulation

Trains on Muscle Blood Flow”, August 1999. 30. Rachel Weathers, “Rapid Prototyping of Flexure Hinges with Fused Deposition Modeling”, November

1999. 31. Jodi Balik, “Driving Simulators for Individuals with Cognitive Impairments”, December 1999. 32. Rakshit Daga, “Study and Development of Haptic Detent Interfaces”, January 2000. 33. Daniel Baker, “A Comparison of Industrial Control Schemes”, April 2000 34. Parag Ponde, “Development of a Visual/Aural/Haptic Demonstration of a Virtual Radio Knob”, July 2000. 35. Jagdeesh Shukla, "Mathematical and Physical Modeling of a Knob with Detents", December 2000. 36. Karl Merz, "The Design of a Novel, Low­Power, Controllable Braking System", October 2001. 37. Melissa Pavlock, "Polyetheretherketone and Other High Performance Thermoplastics", December 2001. 38. Akshay Prabhu, “Real Time Synthesis of Sound for Virtual Environments”, August 2002. 39. Michelle Fangmeier, “Apparatus to Verify 2­DOF Musculoskeletal Models for Lower Extremity FES

Applications”, October 2002. 40. Gabrial Routh, “Using Stimulation Pattern to Reduce Fatigue in Functional Electrical Stimulation”, May

2003. 41. Christina Dopkins, “A Pointing Device for Children with Limited Manual Dexterity”, July 2003. 42. Brad Augustine, “Diffusion Bonding Stainless­Steel Wire Cloth Using a New Cylindrical Process, April

2004. 43. Adam Rivard, “Preliminary Design and Simulation of a Pneumatic, Stored­Energy, Hybrid Orthosis for

Gait Restoration, May 2004. 44. Rahul Akolkar, “Developing the Visuals for Virtual Environments for Product Prototyping”, May 2004. 45. Samantha Weinstein, “Guidelines for the Design of Telemedicine Systems”, June 2004. 46. Rupa Kilaparti, “Redesign of the Controlled Brake Orthosis”, August 2004. 47. Mike Madetzke, “Development of a Novel Dual Brake”, November 2004. 48. Sithya Khieu, “Driving Characteristics of New Product Development Commercialization Problems in a

Single Customer Market”, December 2005. 49. David Waletzko, “Distributed Laboratory Modules for System Dynamics and Controls Courses”,

November 2005. 50. Chris Monnier, “Monitoring Driving Behavior”, January 2006. 51. Diego Bonta, “Solar Powered Hydrogen Grill”, June 2006. 52. Dan Celotta, “Extracting Mechanical Energy from the Quadriceps Muscle Under Two Duty Cycles”,

September 2006. 53. Gopi Brahmbhatt, “Analysis of Controlled Brake Technology for the Energy Storing Orthosis”, April 2008. 54. Sukruti Ponkshe, “Muscle Force Assessment of the Tibialis Anterior Muscle”, May 2009. 55. Marc Steckler, “Muscle Force Assessment System: Adductor Pollicis Measurement Device”, May 2009. 56. Stefan Freeman, “Muscle Twitch Response to Doublet Stimulation at Graded Strengths”, September

2009. 57. Krishna Vedula, “Design of Axially Expandable Ureteral Stent”, November 2009. 58. Peter Johnson, “Force Reflecting Pneumatic Hand Tools”, December 2009 59. Aravind Srivatsa, “Design and Implementation of a Hydraulic Human Assist Machine”, December 2009. 60. Ashley Bartlett, “The Effectiveness of Anular Repair as Illustrated in an In Vitro Laboratory Simulation”,

May 2010. 61. Benjamin Koch, “Pedicab with Fluid Power Regenerative Braking”, June 2010. 62. Abhijit Kangude, “Design of a Single Channel Hybrid FES Gait System Using an Energy Storing

Orthosis”, June 2010. 63. Joseph Young, “Output Circuits for Cutaneous Muscle Stimulators”, June 2010. 64. Brett Burgstahler, “Optimization of Energy Storage Elements for an Energy Storing Orthosis”,

September 2011. 65. Nathan Carlson, “The Design of an Energy Efficient, Light Weight, High Static Torque, Low Dynamic

Torque Braking System”, January 2012. ________________________________________________________________________________________________________________________

WILLIAM K. DURFEE CV 23

66. Evan Leingang, “Soft Pneumatic Tube Actuators”, August 2012. 67. Kathy Houle, “A Power Transmission Design for an Untethered Hydraulic Ankle Orthosis”, October

2012. 68. Brian Krueger, “Experimental Identification of Electrically Stimulated Muscle Properties”, September

2012. 69. Brenton Steinmann, “Energy Storing Orthosis Evaluation”, May 2012. 70. Diane Schibonski, “Preliminary Design of a Portable, Automatic Train­of­Four Test Device”, May 2013. 71. Brett Neubauer, “Design of a Hydraulic Ankle Foot Orthosis,” October 2013. 72. Amelia Stech, “Mechanical Properties of Ice Hockey Sticks”, January 2014. 73. Jeffrey Lind, “Device for Quadriceps Muscle Force Assessment Using Low Levels of Electrical

Stimulation”, April 2014. 74. Kyle Boughner, “Design of an Energy Storing Orthosis for Providing Gait to People with Spinal Cord

Injury”, May 2014. 75. Dustin Johnson, “HCCI Engine­Compressor”, expected May 2015. 76. John Skelton, “Improved Hydraulic Mauch Prosthetic Ankle”, expected May 2016. 77. Joe Lampe, “Identifying Dynamic Properties of Muscle Using Electrical Stimulation”, expected May

2016. OTHER Supervised many undergraduate research projects for research course credit, for the University of Minnesota UROP program and for various University of Minnesota REU programs. Supervised 48 MIT undergraduate S.B. theses between 1985 and 1993.

________________________________________________________________________________________________________________________ WILLIAM K. DURFEE CV

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