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University of HuddersfieldInternational Institute for Accelerator ApplicationsProfessor Rob EdgecockProfessor Roger Barlow

Target simulation and opportunities of accelerator physics in other applications1

University of HuddersfieldCentre for Precision Technologies

CERN collaborationDr Simon Fletcher Senior Research FellowDr Andrew Longstaff Senior Enterprise FellowProfessor Alan Myers Group Leader2University of Huddersfield

Founded in 1825A history of education, innovation and industrial collaboration 140m turnover300m benefit to the local economyOver 2,800 staff on payroll24,000 students studying more than 400 degreesAn international UniversityStudents from over 130 countriesDelivering courses in China, Hong Kong, India and Singapore33CPT Research AreasCentre for Precision Technologies (CPT)Specialist engineers in the areas ofMachine tool performance 3D Surface metrology and material propertiesPrecision grindingCondition monitoringCPT is the EPSRC National Centre for Innovative Manufacturing in Advanced Metrology

Facilities within the centreClass 10000 lab for measurement with vibration isolated SEM, AF, Stylus instrumentsAdvanced optical laboratory with four air damped interferometry grade optical tables Machine shop with a variety of 3- and 5-axis machines and full suite of associated metrology equipmentPrecision control laboratory

4Machine tool performance - ECMPGEngineering Control and Machine Performance research groupCurrently 20 people in the group 14 PhD students6 senior staffAll aspects of machine tool technologyMetrologyRapid calibrationMachine capability and error simulationSensor developmentSoftwareTrainingCompensationGeometric, thermal and non-rigidIntegrated (Siemens 840D, Osai S10)Retrofit systemDynamic modelling

Machine modelling

Simulation of mechanical and thermal effects (FEA)Servo-drive modelling and adaptive controlSimulink and dSPACE

Structural monitoringPhototransistor based prototypesup to 6 DoFNon-contact0.01m and 0.1rad sensitivityUltra low costMultistrain

AI modelling for active compensationANFIS Modelling and compensation of thermal effectsCurrent inputs include temperature and strain

CERN potential collaborationCollimator straightnessSimulation of the effect of temperature variations due to different running conditionsActive compensation to preserve collimator straightnessOn-line monitoringAI modelling for active compensation and actuator methodsCollimator positioningServo controlled collimator positioning systemTargeting improved resolution and precisionAdapting to mechanical variability due to limited/no lubricationAlternative drive mechanism (possibly adapt from machine tools)E.g. ceramic bearings in roller screw.Linear motorsOther (squiggle, PZT,)Due consideration of radiation effects, cabling distances, Thank youDr Simon Fletcher s.fletcher@hud.ac.ukDr Andrew Longstaff a.longstaff@hud.ac.ukProfessor Alan Myers a.myers@hud.ac.uk