Modeling and analysis of the dynamic efficiency of manual transmission/reducer

被引：7
|
作者：
Wang, B. [1 ,2 ]
Lu, Z. J. [1 ]
Chen, X. B. [1 ,3 ]
Wang, P. [2 ]
Luo, W. [1 ]
Xu, H. [1 ]
机构：
[1] Tongji Univ, Sch Automot Studies, Shanghai 201804, Peoples R China
[2] Yancheng Inst Technol, Sch Mech Engn, Yancheng 224051, Peoples R China
[3] Tongji Univ, Clean Energy Automot Engn Ctr, Shanghai 201804, Peoples R China
来源：
INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY | 2015年 / 16卷 / 03期
基金：
国家高技术研究发展计划(863计划);
关键词：
Gear meshing power losses; Oil churning and windage; Dynamic transmission efficiency; Modeling; GEARED TRANSMISSIONS; POWER LOSS; PREDICTIONS; LOSSES;
D O I：
10.1007/s12239-015-0043-0
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
To analyze and model the dynamic efficiency of vehicle transmission system, the theoretical power losses formulas of the spur/helical gear under the condition of elastohydrodynamic lubrication (EHL) were deduced. The spur gear meshing efficiency model was validated by comparing the predicted models with measured data. The formulas of oil churning, windage, and bearing power losses, which are widely applied and fit the experimental results well, were employed to analyze the efficiency of manual transmission system. In terms of formulas of power losses of each part in the transmission, the dynamic transmission efficiency model of manual transmission/reducer based on Matlab/Simulink was established. The efficiency map of each shift of a specific five-speed manual transmission was simulated under new European Driving Cycle (NEDC). Finally, in terms of simulation results, a new type gearbox was proposed and analyzed, which is capable of improving transmission efficiency significantly.
引用
收藏
页码：417 / 426
页数：10
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