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液力变矩器非线性特性的研究
引用本文:项昌乐,王文平,刘辉,耿冲.液力变矩器非线性特性的研究[J].机械设计,2004,21(5):18-20.
作者姓名:项昌乐  王文平  刘辉  耿冲
作者单位:1. 北京理工大学,国家重点车辆传动实验室,北京,100081
2. 装甲兵工程技术研究所
摘    要:在建立液力变矩器的模型基础上,根据能量守恒进行分析、并推导出液力变矩器的等效粘性阻尼系数公式。再通过液力变矩器原始特性对其等效阻尼系数进行拟合计算.得出了液力变矩器非线性等效阻尼系数与涡轮、泵轮速比及泵轮转速的定量关系。同时通过变矩器的力学分析,推导出液力变矩器的假设的等效刚度与速比和泵轮转速的定量非线性关系。

关 键 词:液力变矩器  等效阻尼系数  非线性  等效刚度  数学模型
文章编号:1001-2354(2004)05-0018-03

Study on non-linear characteristics of hydraulic torque converter
XIAN Chang-le,WANG Wen-ping,LIU Hui,GENG Chong.Study on non-linear characteristics of hydraulic torque converter[J].Journal of Machine Design,2004,21(5):18-20.
Authors:XIAN Chang-le  WANG Wen-ping  LIU Hui  GENG Chong
Affiliation:XIAN Chang-le~1,WANG Wen-ping~1,LIU Hui~1,GENG Chong~2
Abstract:Based on the establishment of model of hydraulic torque converter and according to conservation of energy, the formulae of equivalent viscosity damping coefficient of hydraulic torque converter were derived and analyzed. And carried out a fitting in calculation on its equivalent damping coefficient by way of primitive characteristics of hydraulic torque converter, the quantitative relationship among the non-linear equivalent damping coefficients with the speed ratio of turbine and pump wheel and with the rotation speed of pump wheel was obtained. At the same time, through mechanical analysis of torque converter, the quantitative non-linear relationship between the assumed equivalent rigidity and speed ratio of hydraulic torque converter and the rotation speed of pump wheel was derived.
Keywords:hydraulic torque converter  equivalent damping coefficient  non-linear  equivalent stiffness  
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