基于弹簧的机械手静平衡优化方法

Jieyu Wang, X. Kong
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引用次数: 0

摘要

本文讨论了一种新的静平衡机械臂优化设计方法。仅使用弹簧来平衡由转动(R)关节组成的机械手。由于静平衡时系统的总势能是恒定的,所以将给定不同联合变量随机值时两者势能差的平方和作为目标函数。然后利用MATLAB优化工具对弹簧附着点进行求解。结果表明,对于安装在R关节上的单连杆机械手,除了将弹簧附加在R关节正上方外,附着点可以有偏移。同时表明任意n个连杆的空间机械臂可以用n个弹簧进行平衡,其重量不容忽视。使用这种方法,可以很容易地实现静态平衡,有多个解决方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An Optimization Method for the Static Balancing of Manipulators Using Springs
This paper discusses a novel optimization method to design statically balanced manipulators. Only springs are used to balance the manipulators composed of revolute (R) joints. Since the total potential energy of the system is constant when statically balanced, the sum of squared differences between the two potential energy when giving different random values of joint variables is set as the objective function. Then the optimization tool of MATLAB is used to obtain the spring attachment points. The results show that for a 1-link manipulator mounted on an R joint, in addition to attaching the spring right above the R joint, the attachment point can have offset. It also indicates that an arbitrary spatial manipulator with n link, whose weight cannot be neglected, can be balanced using n springs. Using this method, the static balancing can be readily achieved, with multiple solutions.
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