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Analysis of Bridge-type Distributed-compliance Mechanism

机译:桥式分布式遵从机制分析

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This paper analyses a class of bridge-type distributed-compliance mechanism, which has better performances than traditional bridge-type mechanisms using notch flexure hinges. An analytical model for the displacement amplification ratio and input stiffness calculations of the bridge-type mechanism is established based on the stiffness matrix method. The finite element analysis results are then given to validate the correctness of the analytical model. The differences of the analytical results with respect to the finite element analysis results are less than 8%, which demonstrate the high accuracy of the analytical model. The influences of the geometric parameters on the amplification ratio and input stiffness of the mechanism are also investigated using the analytical model to provide theoretical guidelines for the practical design.
机译:本文分析了一类桥式分布式合规机构,其性能优于传统的使用缺口挠性铰链的桥式机构。基于刚度矩阵法,建立了桥式机构位移放大比和输入刚度计算的解析模型。然后给出有限元分析结果以验证分析模型的正确性。分析结果与有限元分析结果的差异小于8%,这表明分析模型具有很高的准确性。还使用解析模型研究了几何参数对机构放大比和输入刚度的影响,为实际设计提供了理论指导。

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