Kinematic accuracy and nonlinear dynamics of a flexible slider-crank mechanism with multiple clearance joints

被引：32
作者：
Chen, Yu [1 ,3 ]
Wu, Kai [2 ]
Wu, Xuze [2 ]
Sun, Yu [2 ]
Zhong, Taisheng [3 ]
机构：
[1] Jiangsu Univ Technol, Sch Mech Engn, Changzhou 213001, Peoples R China
[2] Nanjing Univ Sci & Technol, Sch Mech Engn, Nanjing 210094, Peoples R China
[3] Yangli CNC Machine Tools Co Ltd, Yangli Grp, Yangzhou 225127, Jiangsu, Peoples R China
来源：
EUROPEAN JOURNAL OF MECHANICS A-SOLIDS | 2021年 / 88卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Slider-crank mechanism; Multiple clearance joints; Dynamic behavior; Bifurcation and chaos; PLANAR MULTIBODY SYSTEMS; REVOLUTE JOINT; MULTILINK MECHANISM; FORCE MODELS; HIGH-SPEED; CONTACT; SIMULATION; OPTIMIZATION; FRICTIONLESS; RELIABILITY;
D O I：
10.1016/j.euromechsol.2021.104277
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Clearance joint appears in the multibody system and it could cause the uncertainty of motion. A general method for dynamic modelling and analysis of slider-crank mechanism with multiple clearance joints is presented and discussed in this work. The contact-impact characteristics of clearance joint are described by the nonlinear continuous contact force model. With flexible link taken into account, the dynamic characteristics of slider-crank mechanism with multiple clearance joints are analyzed based on the presented model. Then, the dynamic response of a flexible slider-crank mechanism is measured to clarify how to clearance joints can cause the vibration phenomenon of multibody system. Moreover, the stability and chaos analysis are conducted with the purpose of performing a parametric study, which quantifies the effects of clearance size and rotational speed on dynamic behavior of multibody system with multiple clearance joints. The numerical results indicate that the dynamic behavior of a flexible slider-crank mechanism depends on the characteristics of clearance joints.
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页数：20
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