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  • 标题:Human Arm-Like Robot Control Based on Human Multi-Joint Arm Viscoelastic Properties and A Modified Forward Gaze Model
  • 本地全文:下载
  • 作者:Aihui WANG ; Mingcong DENG
  • 期刊名称:Journal of System Design and Dynamics
  • 电子版ISSN:1881-3046
  • 出版年度:2012
  • 卷号:6
  • 期号:2
  • 页码:170-185
  • DOI:10.1299/jsdd.6.170
  • 出版社:The Japan Society of Mechanical Engineers
  • 摘要:

    In this paper, a human arm-like robot control scheme is proposed based on time-varying viscoelastic properties which consist of multi-joint stiffness and multi-joint viscosity during human arm movements and a modified forward gaze model. In general, in human multi-joint arm movements, the multi-joint torque is assumed to be a function of multi-joint stiffness matrix, multi-joint viscosity matrix, and motor command descending from central nervous system (CNS). In order to make the present human arm-like robot move like a human multi-joint arm, a feedback controller and a modified forward gaze model are presented in the human arm-like robot control system. That is, the feedback controller is designed to obtain desired motion mechanism based on real measured data from viscoelastic properties of human multi-joint arm, and the forward gaze model in which steering gains are modified using a cost function is used to compensate the term related to the effect of CNS. The effectiveness of the proposed method is confirmed by the simulation results based on experimental data.

  • 关键词:Human Arm-Like Robot; Human Multi-Joint Arm; Viscoelastic Properties; Central Nervous System; Forward Gaze Model
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