Control Strategy for Automatic Transmission under the Condition of Rough Road Feature Recognition

被引：1
|
作者：
Lei, Yulong [1 ]
Wei, Qingkai [1 ]
Li, Xingzhong [1 ]
Zheng, Xuesong [1 ]
Fu, Yao [1 ]
机构：
[1] Jilin Univ, State Key Lab Automot Simulat & Control, Changchun 130022, Jilin, Peoples R China
来源：
2016 THE 3RD INTERNATIONAL CONFERENCE ON MECHATRONICS AND MECHANICAL ENGINEERING (ICMME 2016) | 2017年 / 95卷
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1051/matecconf/20179509001
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
To solve the cycle shifting problem caused by double-parameter shifting schedule on the rough road, it is need to recognize rough road and then take corresponding control strategy. Firstly, vehicle longitunal dynamic on rough road is analyzed, which verified the possibility using longitudinal acceleration to recognize rough road. Then longitudinal acceleration expressions on the rough road are analyzed, which proves the turbine speed change rate is effective on rough road recognition, and time domain analysis of turbine speed change rate is done. With the above analysis, a method combined with frequency of turbine speed change rate passing through the limits and receding horizon is used to recognize rough road. Finally, the fixed method of shift schedule on rough road is proposed based on the above passing through frequency, and control strategy of automatic transmission under the condition of road recognition is also given. Road experiments show that road roughness is effectively recognized and cycle shifting problem can be effectively solved.
引用
收藏
页数：5
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