?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F193%2F&rft.title=Force-Control+for+the+Automated+Footwear+Testing+System&rft.creator=Lewis%2C+Greg&rft.subject=Transport+and+Automotive&rft.subject=None%2FOther&rft.subject=Medical+and+pharmaceutical&rft.description=The+Automated+Footwear+Testing+System+(AFTS)+is+a+robotic+system+designed+to+replicated+the+movement+and+loading+of+a+shoe+as+it+contacts+the+ground+during+common+human+movements.+By+doing+so%2C+the+AFTS+can+serve+as+a+system+for+the+functional+testing+of+different+footwear+designs+in+a+manner+that+is+difficult+to+achieve+by+standard+testing+systems.+The+AFTS+consists+of+four+main+components%3A+a+robotic+Stewart+platform%2C+a+rigid+fixed+frame%2C+a+load+cell+and+a+prosthetic+foot.+Motion+of+the+foot+relative+to+the+ground+is+created+by+rigidly+fixing+the+foot+to+the+frame+and+moving+the+platform+relative+to+the+foot.+The+Stewart+platform+has+six+degrees+of+kinematic+freedom+and+can+reproduce+the+required+complex+three-dimensional+motion+path+within+the+limitations+of+its+range+of+motion.+While+the+platform+is+in+contact+with+the+footwear%2C+the+six-axis+load+cell+measures+the+three-dimensional+forces+and+moments+acting+on+the+prosthetic+foot.%0A%0AFor+the+AFTS%2C+a+movement+path+is+specified%2C+translated+into+platform+coordinates+and+executed+on+the+machine.+During+the+execution%2C+the+load+cell+measures+the+forces+and+moments+that+act+on+the+prosthetic+foot.+We+wish+to+find+the+particular+movement+path+of+the+Stewart+platform+that+will+generate+the+target+force+profile.+Thus%2C+we+are+interested+in+solving+an+inverse+problem.+The+main+goal+of+the+workshop+was+to+investigate+potential+solution+methods+for+this+%E2%80%98force-control%E2%80%99+problem%2C+including+looking+into+its+feasibility.&rft.date=2005&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F193%2F1%2Fbiomechanigg.pdf&rft.identifier=++Lewis%2C+Greg++(2005)+Force-Control+for+the+Automated+Footwear+Testing+System.++%5BStudy+Group+Report%5D+++++