车辆稳定性电控系统液压调节器开环压力估计

›› 2012, Vol. 42 ›› Issue (05): 1095-1099.

车辆稳定性电控系统液压调节器开环压力估计

刘伟, 丁海涛, 郭孔辉

吉林大学汽车仿真与控制国家重点实验室, 长春 130022

收稿日期:2011-11-02 出版日期:2012-09-01 发布日期:2012-09-01
通讯作者: 丁海涛(1974-),男,副教授.研究方向:车辆动态仿真与控制.E-mail:ding_hai_tao@126.com E-mail:ding_hai_tao@126.com
基金资助:
"973"国家重点基础研究发展规划项目(2011CB711205).

Open-loop pressure estimation for hydraulic control unit of vehicle electronic stability control system

LIU Wei, DING Hai-tao, GUO Kong-hui

State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China

Received:2011-11-02 Online:2012-09-01 Published:2012-09-01

摘要/Abstract

摘要： 建立了车辆稳定性电控(ESC)硬件在环(HiL)试验台和ESC试验车并将其作为ESC系统研究开发平台。建立了ESC系统液压调节器(HCU)的液压模型并根据在ESC HiL试验台得出的液压特性试验结果标定其参数。根据获得的ESC HCU稳态液压特性进行车轮缸的开环压力估计,基于这个估计,将闭环压力估计算法下载至ESC试验车环境进行稳定性控制试验。试验结果表明:得到的压力估计算法可以为装备ESC的车辆提供可靠的估计压力值。

关键词: 车辆工程, 稳定性电控, 液压调节器, 液压特性, 压力估计

Abstract: A vehicle electronic stability control(ESC) hardware-in-loop(HiL) test bed and an ESC test car were established to form a platform for ESC system research and development.A hydraulic model was built for the ESC hydraulic control unit(HCU) and its parameters were calibrated according to the hydraulic characteristics acquired by tests on the ESC HiL test bed. Based on the acquired hydraulic characteristics of HCU, the open-loop estimation of the wheel cylinder pressure was performed. On the basis of this estimation, a closed-loop pressure estimation algorithm was downloaded to the ESC test car platform to do the ESC test. The test results showed that the proposed pressure estimation algorithm can provide accurate and reliable wheel cylinder pressure estimation values during braking force distribution for the vehicle with ESC system.

Key words: vehicle engineering, electronic stability control, hydraulic control unit, hydraulic characteristic, pressure estimation

中图分类号:

U461.6

刘伟, 丁海涛, 郭孔辉. 车辆稳定性电控系统液压调节器开环压力估计[J]. , 2012, 42(05): 1095-1099.

LIU Wei, DING Hai-tao, GUO Kong-hui. Open-loop pressure estimation for hydraulic control unit of vehicle electronic stability control system[J]. , 2012, 42(05): 1095-1099.

参考文献

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[5] Chen Chih-Keng,Dao Trung-Kien,Lo Min-Fang. A compensated-yaw-moment-based vehicle stability controller//Control and Decision Conference, Yantai, Shandong, China, 2008.
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