Theoretical and experimental dynamic evaluations of revolute-prismatic joints manipulator contains N-rigid links and hubs

P. Monfared, M. Mojarradi, S. F. Dehkordi
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Abstract

in this paper, a rigid manipulator that is composed of revolute-prismatic joints has been designed and modeled by recursive Gibbs-Appell formulation. The manipulator contains N-rigid links and sleeves and in comparison to previous researches, the mass of joint's hub has been added in dynamic equations. Therefore, the obtained equations are complicated, because of the combined reciprocating and rotating link's motion, as well as, the joint's hub act as one extra part considered in a collection with the link as one arm. The results are evaluated by the experimental setup that is designed and manufactured in Robotic Laboratory of Iran University of Science and Technology and appropriate system simulated in MATLAB SimMechanics simulator. The concluded system with the dynamic equation and simulated system can be used for precise positioning, repetitive task and object manipulations.
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包含n个刚性连杆和轮毂的旋转-移动关节机械臂的理论和实验动力学评估
本文设计了一种由转动-移动关节组成的刚性机械臂,并采用递推Gibbs-Appell公式对其进行了建模。该机械手包含n个刚性连杆和套,与以往的研究相比,在动力学方程中加入了关节轮毂的质量。因此,所得到的方程比较复杂,因为往复和旋转组合连杆的运动,以及关节的轮毂作为一个额外的部分考虑在一个连杆作为一个臂的集合中。通过在伊朗科技大学机器人实验室设计制造的实验装置和MATLAB SimMechanics模拟器对相应系统进行仿真,对实验结果进行了评价。结合动力学方程和仿真系统得出的系统可用于精确定位、重复任务和物体操作。
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