Analytical investigation of the stabilizing function of the musculoskeletal system using Lyapunov stability criteria and its robotic applications

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The stabilization of man-made artificial systems has been achieved by sensor based state feedback control with high computational bandwidth and high stiffness structures. In contrast, many biological systems have been achieved similar or superior stable behavior with low speed signal transmission via nervous systems, which is easy to introduce unstable performance from a control engineering perspective. In order to explain this phenomenon, the concept of self-stabilization has recently been proposed and investigated. Self-stabilization is defined as the ability to restore its original state after a disturbance without any feedback control. In this paper, the self-stabilizing function of a musculoskeletal system for arbitrary motion in the vertical plane is analytically investigated using Lyapunov stability theory. Based on this investigation we propose a design method to realize the self-stabilizing function of a musculoskeletal system, and experimentally verify that the self-stabilizing function can be physically realized by the proposed Lyapunov function.
Publisher
IEEE Robotics and Automation Society (RAS)
Issue Date
2016-10-12
Language
English
Citation

International Conference on Intelligent Robots and Systems 2016

URI
http://hdl.handle.net/10203/222629
Appears in Collection
ME-Conference Papers(학술회의논문)
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