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Performance limitations from delay in human and mechanical motor control
Beamish, Dan1; Bhatti, Shabana2; Wu, Jianhong3; Jing, Zhujun1
2008-07-01
发表期刊BIOLOGICAL CYBERNETICS
ISSN0340-1200
卷号99期号:1页码:43-61
摘要We discuss natural limitations on motor performance caused by the time delay required for feedback signals to propagate within the human body or mechanical control systems. By considering a very simple delayed linear servomechanism model, we show there exists a best possible speed-accuracy trade-off similar to Fitts' law that cannot be exceeded when delay is present. This is strictly a delay effect and does not occur for the ideal case of instantaneous feedback. We then examine the performance of the vector integration to endpoint (VITE) circuit as a model of human movement and show that when this circuit is generalized to include delayed feedback the performance may not exceed that of the servomechanism with an equal delay. We suggest the existence of such a limitation may be a ubiquitous consequence of delay in motor control with the implication that the index of performance in Fitts' law cannot arbitrarily large.
关键词Fitts' law psychomotor delay motor performance motor control neurodynamics
DOI10.1007/s00422-008-0235-z
语种英语
WOS研究方向Computer Science ; Neurosciences & Neurology
WOS类目Computer Science, Cybernetics ; Neurosciences
WOS记录号WOS:000257395100004
出版者SPRINGER
引用统计
文献类型期刊论文
条目标识符http://ir.amss.ac.cn/handle/2S8OKBNM/6661
专题中国科学院数学与系统科学研究院
通讯作者Beamish, Dan
作者单位1.Chinese Acad Sci, Acad Math & Syst Sci, Beijing, Peoples R China
2.York Univ, Dept Biol, Toronto, ON M3J 2R7, Canada
3.York Univ, Lab Ind & Appl Math, Toronto, ON M3J 2R7, Canada
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Beamish, Dan,Bhatti, Shabana,Wu, Jianhong,et al. Performance limitations from delay in human and mechanical motor control[J]. BIOLOGICAL CYBERNETICS,2008,99(1):43-61.
APA Beamish, Dan,Bhatti, Shabana,Wu, Jianhong,&Jing, Zhujun.(2008).Performance limitations from delay in human and mechanical motor control.BIOLOGICAL CYBERNETICS,99(1),43-61.
MLA Beamish, Dan,et al."Performance limitations from delay in human and mechanical motor control".BIOLOGICAL CYBERNETICS 99.1(2008):43-61.
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