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题名: Chaos level investigation of centre-of-pressure single-step displacement in static and dynamic visual conditions
作者: Pei LL(裴立力) ; Qin SJ(秦书嘉) ; Ding W(丁伟) ; Miao L(缪磊) ; Li HY(李洪谊)
作者部门: 机器人学研究室
会议名称: International Conference on Bioinformatics Models, Methods and Algorithms, BIOINFORMATICS 2011
会议日期: January 26-29, 2011
会议地点: Rome, Italy
会议主办者: Inst. Syst. Technol. Inf., Control Commun. (INSTICC)
会议录: BIOINFORMATICS 2011 - Proceedings of the International Conference on Bioinformatics Models, Methods and Algorithms
出版日期: 2011
页码: 262-265
收录类别: EI
ISBN号: 9789898425362
关键词: Algorithms ; Control ; Entropy ; Mathematical models ; Trajectories
摘要: As a convenient and feasible measure of postural control, centre-of-pressure (CoP) trajectories are investigated in most of postural research. The characteristics extracted from CoP trajectories provide valuable evidences in nature explorations of postural control. In this research, Shannon entropy is introduced into CoP trajectories analysis to reveal random characteristics of human upright postural control. In our Shannon entropy analysis, chaos level of CoP single-step displacement is inspected in static and dynamic visual conditions. Experimental results from twenty-one subjects under four visual conditions indicate that human postural control in upright stance appears more regulated in direction control than in amplitude control. This conclusion has specific significance in postural experiment design and postural control improvement.
产权排序: 1
内容类型: 会议论文
URI标识: http://ir.sia.cn/handle/173321/8600
Appears in Collections:机器人学研究室_会议论文

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