PR.35 - vIPERImpact PERformanceDevice

BEN BANKS

ZORBEY CANTURK

ROB GRUNDY

ROB MELE

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ADVISOR:

DR. LESLIE LAMBERSON

SPONSOR:

Outline

• Background

• Methods and Design Description

• Context and Impact

• Project Timeline and Conclusion

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Background

26.97

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13.4111.59

8.37 8.14 7.18 6.39

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Football Ice Hockey Girls' Soc Boys' Lax Girls' B-ball Girls' Lax Boys' Soc Wrestling

Concussions per 10,000 competition exposure(a game is equal to one game played by one player)

3http://www.washingtonpost.com/sports/highschools/reducing-the-number-of-concussions-in-high-school-girls-soccer-is-a-daunting-task/2014/04/24/4054f470-c6ff-11e3-9f37-7ce307c56815_story.html

Head Injuries in Soccer• 92,505 concussions in high school soccer per year

• Players not wearing protective soccer headgear are 2.7 times more likely to suffer a concussion than those who did wear headgear

• Concussions in soccer are not necessarily caused by heading the ball

• Head to head impacts pose high concussion

• In a peer reviewed study, 63% of college-level soccer players had concussion symptoms in a single year

• The concussion rate in youth soccer is similar to that in youth American football

4[1] National High School Sports-Related Injury Surveillance Study 2011/2012 [2] Delaney (2007) [3] Boden (1998) [4] Withnall (2005) [5] Delaney (2002) [6] Baroff (1998)

https://www.youtube.com/watch?v=XjwO9InuFJk

DeliverablesProblem Statement• Currently, Storelli has no means of testing the effectiveness of their protective headwear in house

• No readily available test device can be purchased

Goals• To design, manufacture and test an impact test rig that will allow Storelli to easily test new materials

and concept designs

• Stay within predetermined budget

• Meet all stakeholders needs

• Deliver working device by June 8th, 2015

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StakeholdersPrimary• Storelli• American Society of Testing and Materials (ASTM)• Drexel University

Secondary • Official Soccer Institutions• FIFA

• NCAA Men & Women’s Soccer

• Youth Soccer Organizations

• Licensed Equipment Suppliers

6http://www.psychiatrictimes.com/articles/concussion-young-athletes-heads-diagnosis-and-management

Important Needs

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Category Priority Description Metric Value

ASTM 1Able to meet ASTM Standards

All conditions met Yes

ASTM 1 ASTM Upper Limit Force G force 784 N (80-g load)

ASTM 1 ASTM Velocity Velocity 2-3.8 m/s

ASTM 1Able to generate frequency of impacts

Frequency6 impacts every minute

Operations 1 RepeatableTolerance Difference between multiple tests

<5%

Business 2Production Cost within Budget

Budget <$7,500

Needs• ASTM • Current ASTM testing standards (for soccer headgear)• 80 g-force

• 6 impacts at 1 min intervals

• 2.0 – 3.8 m/s

• Testing• Head-to-forehead impact

• Head-to-goalpost impact

• Head-to-Modular Elastomer Programmer (MEP)

• Multiple impact test

• Stay in Budget • $7,500

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Outline

• Background

• Methods and Design Description

• Context and Impact

• Project Timeline and Conclusion

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The Concurrent Engineering Method

10Concurrent Engineering [Online]. Available FTP: http://en.wikipedia.org/wiki/Concurrent_engineering

Current Impact Fatigue Devices

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Drop Weight System Kolsky (Split-Hopkinson) BarPendulum System

Drop Weight System:http://www.instron.us/wa/product/CEAST-9340-Drop-Tower.aspx

Pendulum System: http://www.clickindia.com/detail.php?id=132119467

Kolsky Bar: https://www.asme.org/about-asme/who-we-are/engineering-history/landmarks/242-split-hopkinson-pressure-bar-apparatus

1 meter

Design A) Pendulum System •Advantages• Simple

• Durable

• Little Maintenance

• Limitations• Repeatable Results

• 6 impacts at 1 minute intervals

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10 cm

Design B) Drop Weight System• Advantages• Simple

• Easily Adjustable

• Cheap

• Limitations• Requires two people to operate

• Adjustment in velocity

• Large

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10 cm

Design C) Mechanical & Electrical System• Advantages• Repeatable results

• Adjustable velocities

• Multiple Outputs

• Limitations• Maintenance

• Durability

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10 cm

Decision Matrix for Concept SelectionDecision Factors

A B C SpecificationCriteria Wt

Repeatable impacts 2.0 1 2 5 6 impacts at 1 minute intervals

ASTM upper limit force 2.0 3 5 5 784 N (80-g load)

Maintenance 1.0 5 5 3 20 hours per year

ASTM velocities 2.0 3 1 4 2.0 – 3.8 m/s

Durability 2.0 5 5 3 5 years before major maintenance

Portable or collapsible 1.0 4 1 3 1 cubic meter

Multiple inputs 2.0 4 4 4 >5 inputs

Weighted Scores 41 40 48

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Process & Results• The ultimate goal of this design process is to create a working impact fatigue device for Storelli

• Utilize a parametric software

• MATLAB

• Other Resources• Dr. Leslie Lamberson – Team Viper’s Advisor

• Mr. Steve Pagano – Graduate student of Dr. Lamberson

• Dr. Jing Liang – Co-Founder & Head of Product Development of Storelli

• Drexel Machine Shop

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Project Budget• Mechanical – $3,500• Motor – $200-400

• Mounted Bearing – $200-300

• Electrical – $1,500• PLC – $300-500

• Linear Actuator – $100-200

• Labor – $1,000-1,500• Custom Parts

• Miscellaneous – $1,000

• Total Budget

• $7,500

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Outline

• Background

• Methods and Design Description

• Context and Impact

• Project Timeline and Conclusion

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Economic Analysis •Niche market• Specialized for headgear

• <10 expected to be produced

• Mass production economically not feasible

•Prototype costs to develop and test• $5,000-$7,000

•Full scale costs• Similar to prototype costs

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Environmental ImpactSustainable:• Low production• Low material consumption

•Recyclable and salvageable parts

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Sustain-ability

People

Product

Pros-perity

Planet

Social Merit & Ethical AnalysisProducts with:•Falsified data •Falsified credentials

Creates false sense of security

Quality test data leads to a better products • Leads to a real concussion

prevention

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http://www.forcefieldheadbands.com/productlineneo.html

Outline• Background

• Methods and Design Description

• Context and Impact

• Project Timeline and Conclusion

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Project TimelineAction Sep Oct Nov Dec Jan Feb Mar Apr May Jun

Project ID

Concept research and market analysis

Stakeholder ID

Manufacturing and design studies

Evaluate best design

Ordering the parts

Installing equipment

Machining

Electrical wiring

Setting up data acquisition systems

Validation

Testing of materials

Final evaluation and reporting

Completed On Track Future Work

Future Work

Winter Term Deliverables

• Regular reports to Storelli

• Impact fatigue calculations

• The impact test rig

• Engineering design files

Spring Term Deliverables

• Calibrated impact test rig

• Analysis of testing material

• Final report on testing results• Suggestions for future work

• Possibly challenging the ASTM Standard Specifications on Headgear Requirements for Soccer

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Conclusion

Project Goal

• Building an impact test rig for testing soccer headgear materials

Broad Impact

• Innovating a sustainable solution for Storelli, and other manufacturers

• Having a significant impact on the studies made on soccer concussions

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http://pr35teamviper.wordpress.com/(Updated regularly after biweekly meetings)

AcknowledgementsDr. Leslie Lamberson – Advisor, Drexel University

Mr. Steve Pagano – Graduate student of Dr. Lamberson, Drexel University

Dr. Jing Liang – Co-Founder, Storelli

Ms. Olivia Fuller – Graphic Design, Drexel University

Mr. Tim Killeen – Vice President of Sales, Full90

Dr. Robert McGrath – Senior Associate Vice Provost, Drexel University

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Background References[1] National High School Sports-Related Injury Surveillance Study 2011/2012

[2] Al-Kashmiti, Delaney, et al. “The Effect of Protective Headgear on Head Injuries and Concussions in Adolescent Football (Soccer) Players” British Journal of Sports Medicine (2007)

[3] Boden, Kirkendall et al. “Concussion Incidence in Elite College Soccer Players” American Journal of Sports (1998), 26:238-41

[4] Withnall, Shewchenko et al., “Effectiveness of Headgear in Soccer” British Journal of Sports Medicine (2005), 39(supp1):i40-i48

[5] Delaney, Lacroix et al., “Concussions Among University Football and Soccer Players” Clinical Journal of Sports Medicine (2002), 12(6):331-38

[6] Baroff, “Is Heading a Soccer Ball Injurious to Brain Function?” Journal of Head Trauma Rehabilitation (1998), 13(2):45-52

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Q & A

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