| 用于电子稳定程序(ESP)在线控制的液压模型和反模型 |
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| 引用本文： | 李亮,宋健,韩宗奇,孔磊.用于电子稳定程序(ESP)在线控制的液压模型和反模型[J].机械工程学报,2008,44(2):139-144. |
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| 作者姓名： | 李亮 宋健 韩宗奇 孔磊 |
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| 作者单位： | 1. 清华大学汽车安全与节能国家重点实验室,北京,100084
2. 燕山大学汽车与能源学院,秦皇岛,066004 |
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| 摘 要： | 对汽车电子稳定程序(Electronic stability program,ESP)的液压系统进行仿真分析和测试.建立包括液压控制单元的控制阀、柱塞泵、制动软管、硬管以及节流器等环节的主动增压模型;对主动增压系统进行模拟仿真,获取各个环节支配性特征参数.基于模型支配特征参数和试验数据,开发出液压模型和反模型,应用该模型进行ESP压力在线预估,获取控制过程中轮缸压力这一重要控制参量.仿真和试验表明,这种液压模型和反模型能够满足ESP在线控制要求.
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| 关 键 词： | 电子稳定程序(EPS) 液压控制单元 压力预估模型 |
| 修稿时间： | 2007年3月25日 |
Hydraulic Model and Inverse Model for Electronic Stability Program Online Control System |
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| LI Liang,SONG Jian,HAN Zongqi,KONG Lei.Hydraulic Model and Inverse Model for Electronic Stability Program Online Control System[J].Chinese Journal of Mechanical Engineering,2008,44(2):139-144. |
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| Authors: | LI Liang SONG Jian HAN Zongqi KONG Lei |
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| Abstract: | The simulation and test of the hydraulic system of electronic stability program (ESP) are analyzed and tested. The active pressure control model which includes the control valves, eccentric rotary plunger pump, brake pipe/hose, and throttles, is built. The active pressure system is simulated, and the dominant characteristics of the subsystems are obtained. Based on the dominant characteristics of the model and experimental data, the hydraulic model and inverse model are developed. The hydraulic model and inverse model can be used to the inline estimation with EPS and obtain the wheel brake pressure which is one of the most important parameters of the system. The simulation and experiment show that the hydraulic model and inverse model can satisfy the require of the EPS online control. |
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| Keywords: | Electronic stability program(EPS) Hydraulic control unit Pressure prediction model |
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