VEHICLE VELOCITY ESTIMATION FOR REAL-TIME DYNAMIC STABILITY CONTROL

被引：28
|
作者：
Li, L. [1 ]
Song, J. [1 ]
Kong, L. [1 ]
Huang, Q. [1 ]
机构：
[1] Tsinghua Univ, State Key Lab Automot Safety & Energy, Beijing 100084, Peoples R China
来源：
INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY | 2009年 / 10卷 / 06期
关键词：
Vehicle dynamic control; Longitudinal velocity; Lateral velocity; Observer; Tire force; Road ramp; STATE;
D O I：
10.1007/s12239-009-0080-7
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A new approach is proposed for nonlinear asymptotic observers based on the cascade observer system with a fusion of sensor signals. In the observers, the characteristic of the vehicle dynamic system, the nonlinear tire force estimation, load transfer estimation, and road ramp angle compensation are considered. The errors in the observation of vehicle velocity were diminished, and the computation cost was decreased for a real-time microcontroller. Simulation and real vehicle test results validate the higher accuracy of the velocity estimation by the proposed observers under complicated handling maneuver conditions.
引用
收藏
页码：675 / 685
页数：11
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