曲柄滑块机构间隙副反力的静态间隙杆简化算法

在含间隙运动副机构的性能评估、寿命预测等问题中，如何高效、准确地求解间隙副反力一直是一个亟待解决的问题.文中提出了一种求解含间隙曲柄滑块机构副反力的独立、高效的静态间隙杆算法.不同于Li提出的基于理想副反力的简化算法，静态间隙杆简化算法仅基于间隙副模型，脱离了理想副反力的求解，通过在间隙副模型中对间隙杆进行静态初始化，简化求得间隙副反力角，从而反代得到实际间隙副反力.该算法在间隙副反力计算上具有很好的精确度，且由于省略了求解理想副反力的过程，其效率远高于Li的简化求解算法，最后文中通过一个算例说明了静态间隙杆算法的可行性和高效性. 

Stationary Clearance Link Algorithm for Solving the Counter-Force in the Clearance Revolute Joint of Crank Slider System

To accurately predict the performance of mechanisms with clearance joint and estimate its life, it is very critical to efficiently and accurately calculate the counter-force in the clearance revolute joint. In this paper, an independent and efficient algorithm, stationary clearance link algorithm, was proposed to calculate the force in the clearance bearing of crank slider system based on a clearance revolute joint model. Differing from Li''s simplified algorithm based on the force in the ideal revolute joint, the stationary clearance link algorithm is only based on a clearance revolute joint model, it is not necessary to solve the reaction-force in the ideal revolute joint and nonlinear equation group. Initializing the stationary clearance link and simplifying the clearance counter-force in the clearance model, the practical clearance counter-force could be obtained by using the stationary clearance link algorithm with more efficient than Li''s method. At the end, the feasibility and high-efficiency of the stationary clearance link algorithm are demonstrated by an example.