Impactless biped walking on a slope

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    摘要 Walkingwithoutimpactshasbeenconsideredindynamicsasamotion/forcecontrolproblem.Inordertoavoidimpacts,anapproachforboththespecifiedmotionofthebipedanditsgroundreactionforceswaspresentedyieldingacombinedmotionandforcecontrolproblem.Asanapplication,awalkeronahorizontalplanehasbeenconsidered.Inthispaper,itisshownhowthecontrolofthegroundreactionforcesandtheenergyconsumptiondependonthegradientofaslope.Thebipeddynamicsandtheconstraintswithinthebipedsystemandonthegroundarediscussed.Amotioncontrolsynthesisisdevelopedusingtheinversedynamicsprincipleproventobemostefficientforhumanwalkingresearch,too.Theimpactlesswalkingwithcontrolledlegsisillustratedbyaseven-linkbiped.The'flying'bipedhasninedegreesoffreedom,withsixcontrolinputs.Duringlocomotion,thestandingleghasthreescleronomicconstraints,andthetrunkhasthreerheonomicconstraints.However,therearethreerheonomicconstraintsfortheprescribedlegmotionorthreescleronomicconstraintsforreactionforcesofthetrailingleg,respectively.Thenominalcontrolactionforimpactlesswalkingcanbeprecomputedandstored.Themodelproposedallowstheinvestigationofseveralproblems:uphillanddownhillwalking,optimizationofsteplength,stictionofthefeetontheslopeandmanymore.Allthesefindingsarealsoofinterestinbiomechanics.更多还原
    机构地区 不详
    出处 《力学快报:英文版》 2013年1期
    出版日期 2013年01月11日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)
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