机械动力学:2017,Vol:36,Issue(9):1362-1366
引用本文:
唐斌斌, 张艳龙, 崇富权, 李珂. 含间隙及摩擦的振动系统动力学分析[J]. 机械科学与技术
Tang Binbin, Zhang Yanlong, Chong Fuquan, Li Ke. Dynamical Analysis of Vibration System with Clearance and Friction[J]. Journal Of Remote Sensing

含间隙及摩擦的振动系统动力学分析
唐斌斌, 张艳龙, 崇富权, 李珂
兰州交通大学机电工程学院, 兰州 730070
摘要:
考虑接触表面工况的差异性,建立一类含两类摩擦及间隙的两自由度碰撞振动系统动力学模型,给出系统在不同运动阶段的判断条件和粘-滑-碰运动行为过渡准则,采用数值仿真方法对系统求解,结合判断条件分析摩擦对系统造成的非光滑运动特性及复杂的动力学行为,同时分析不同摩擦模型对系统动力学特性的影响。结果表明,系统存在瞬时摩擦诱导振动、周期颤振、颤振向粘着过渡及粘-滑-碰之间的转换等摩擦振动现象。
关键词:    摩擦诱导振动    非光滑    粘滑    间隙   
Dynamical Analysis of Vibration System with Clearance and Friction
Tang Binbin, Zhang Yanlong, Chong Fuquan, Li Ke
School of Mechatronic Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
Abstract:
The dynamics model of a two-DOF vibration system with two kinds of friction which is considered by the differences of working condition of contact surface and clearance is established. The system in different stages of exercise judgment and stick-slip-impact behavior transition rules are given, then using the numerical simulation method to solve the differential equations of system, combined with the judgment condition to analyze the non-smooth movement characteristics caused by the friction and the complex dynamic behavior, and the influence of different friction models on the dynamics of the system. The results show that the system exists the friction vibration phenomenon including the instantaneous friction induced vibration, period flutter, flutter transition to sticking and among the conversion of stick-slip-impact.
Key words:    friction induced vibration    non-smooth    stick-slip    clearance   
收稿日期: 2016-04-11     修回日期:
DOI: 10.13433/j.cnki.1003-8728.2017.0909
基金项目: 国家自然科学基金项目(11302092)资助
通讯作者: 张艳龙(联系人),副教授,博士研究生,zhangyl@mail.lzjtu.cn     Email:zhangyl@mail.lzjtu.cn
作者简介: 唐斌斌(1989-),硕士研究生,研究方向为含摩擦非线性振动动力学,tangbbin@126.com
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