柔性Stewart微机械臂的设计与运动学研究

S. Mishra, C. S. Kumar
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引用次数: 3

摘要

本文设计并分析了一种新的Stewart平台柔性模型。文献表明,需要具有高运动范围和低寄生运动的6自由度微机械臂。针对微操作应用,提出了一种新的Stewart平台设计方案。利用伪刚体模型(PRB模型)建立并求解了微机械臂的运动学逆解。通过有限元仿真了解该微机械臂的六自由度运动能力。最后,给出了该微机械臂有限元模型的动态性能。
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Design and Kinematics of a Compliant Stewart Micromanipulator
In this paper, a novel compliant model of Stewart platform is designed and analyzed. The literature shows that there is a need for micromanipulators having 6-DOF with high range of motions and low parasitic motion. A novel design for Stewart platform is developed for micromanipulation applications. The inverse kinematics with the help of pseudo-rigid-body model (PRB model) of the micromanipulator is formulated and solved. FEA simulations are carried out to know the 6-DOF motion capability of the micromanipulator. In the end, the dynamic performance of the FE model of the micromanipulator is presented.
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