基于键合图和Simulink的移动机器人位姿变形系统可靠性分析

Jingjing Cui, Yi Ren, Dezhen Yang, S. Zeng
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引用次数: 1

摘要

提出了一种新的移动机器人位姿变形系统设计方案,通过推杆机构对移动车轮的位置进行变换,以适应恶劣的道路条件。采用结合控制方案和物理结构的仿真方法,通过Bond Graph和Simulink对所提设计的位姿变形和运行控制过程进行建模。在此基础上,分析了变形控制系统对阶跃扰动的响应,并加入推杆的不同失效模式进行可靠性仿真。最后,通过仿真结果验证了所提出的变形系统提高可靠性的有效性。
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Reliability analysis of a novel design of pose deformation system for mobile robots through Bond Graph and Simulink
A novel design of pose deformation system for mobile robots is presented in this paper, which transforms the position of moveable wheels by pushrods mechanism to adapt rough road conditions. A simulation method, which combined the control schemes and physical structures through the Bond Graph and Simulink, is utilized to model the pose deformation and running control process of the proposed design. Based on the model, the responses to step disturbance of the deformation control system are analyzed, then different failure modes of the pushrods are added to simulate the reliability. At last, the effectiveness of the proposed deformation system to improve reliability is verified by simulation results.
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