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Position: Home > Articles > Dynamic Torsional Damping Characteristics in the Vehicle Powertrain Transactions of the Chinese Society of Agricultural Engineering 2000,16 (1) 72-75

轮式车辆传动系动态阻尼的研究

作  者:
葛剑敏;郑联珠;王登峰;刘明树
单  位:
吉林工业大学;同济大学
关键词:
轮式车辆;传动系统;动态阻尼
摘  要:
研究了车辆传动系配合件润滑状态及摩擦系数的变化规律 ,推导出配合件摩擦扭矩及轴系内摩擦阻尼力矩的计算公式。得出传动系配合件摩擦扭矩和轴系内滞阻尼力矩的增加 ,对动力传动系自激振动起到了控制环节作用的结论。
译  名:
Dynamic Torsional Damping Characteristics in the Vehicle Powertrain
作  者:
Ge Jianmin(Tongji University, Shanghai 200092) Zheng Lianzhu Wang Dengfeng Liu Mingshu(Jilin University of Technology)
关键词:
vehicle; powertrain; dynamic damping
摘  要:
The dynamic torsional damping characteristics were studied first. The dynamic torsional damping characteristics in vehicle powertrain is the important cause of the self excited vibration. The division of lubricating forms by Stribeck curves was analyzed. The application in vehicle engineering practice was discussed. The approximate formulae for calculating rolling friction coefficient were obtained on the basis of energy theory on the condition that the materials of rolling pair is the same or different. The results showed that rolling friction coefficient or force depends on variable load, viscosity of lubricating oils and sliding velocities. On the basis of the EHL theory, specific film thickness ratio was calculated, and lubrication status was analyzed. The friction damping of the shaft and the lubricant damping of the friction parts increase with the amplitude of the self excited vibration. It acts as the controlling part of the self excited vibration.

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