三角形柔性铰链的建模与分析

作为一种旋转单元，三角形柔性铰链可以组合为性能更加优良的柔性模块或柔性机构，如车轮形铰链、蝶形铰链等。建立准确的受力模型，分析其载荷—位移特性成为设计复杂铰链或机构的关键所在。基于近似的悬臂梁模型，建立三角形柔性铰链在同时受到弯矩、切向力和轴向力作用下精确的转角模型。得到未被近似的轴漂计算公式，并根据公式推导实用的轴漂模型。转角和轴漂模型都简洁地表征了载荷—位移关系，最后，通过有限元分析验证了所建立的模型的准确性。

Modeling and Analysis of Triangle Flexible Hinge

The triangle flexible hinge as a rotational element can be used to construct flexible module or compliant mechanism with better performance, such as wheel shape hinge and butterfly hinge.Building an accurate force-bearing model and analyzing its load-displacement characteristic is the key to designing a complicated hinge or mechanism.Based on an approximate cantilever model, an accurate rotation angle model of triangle flexible hinge under simultaneous actions of bending moment, tangential force and axial f...