Dynamic behavior analysis of a reciprocating mechanism with clearance considering parameter uncertainty

Author:

Shaomin Luo1ORCID,Zou Yan2,Cheng Xu3,Juan Li4

Affiliation:

1. School of Aerospace Engineering, Guizhou Institute of Technology, Guiyang, China

2. AVIC Jiangxi Hongdu Aviation Industry Group Corporation Limited, Nanchang, China

3. School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, China

4. School of Materials and Metallurgical Engineering, Guizhou Institute of Technology, Guiyang, China

Abstract

In this study, a numerical investigation on the dynamic characteristics of a reciprocating mechanism with clearance considering parameter uncertainty is presented. For this purpose, complex space motion between parts is converted into simplified motion of basic component based on the proposed mass substitution model. The contact model in motion parts is established using the Lankarani–Nikravesh model, and the friction effect is considering using a modified Coulomb friction model in the proposed methodology. The comparisons between the numerical results, experimental ones, and virtual simulation ones are carried out. The results show that the proposed methodology has a higher efficiency and calculated precision to predict the dynamic behavior of a reciprocating mechanical system with clearance. In addition, the effects of interval clearance and initial force in the gas-operated chamber on the dynamic behavior are analyzed, respectively. Also, the interaction of two factors is discussed to improve the motion stability.

Publisher

SAGE Publications

Subject

Mechanical Engineering

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. A bivariate subinterval method for dynamic analysis of mechanical systems with interval uncertain parameters;Communications in Nonlinear Science and Numerical Simulation;2023-10

2. Displacement analysis of slider in slider-crank mechanism with joint clearance;Australian Journal of Mechanical Engineering;2020-05-13

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