Estimation of Road Friction for Enhanced Active Safety Systems: Algebraic Approach

被引：11

作者：

Ahn, Changsun ^{[1
]}

Peng, Huei ^{[1
]}

Tseng, H. Eric ^{[2
]}

机构：

[1] Univ Michigan, Dept Mech Engn, Ann Arbor, MI 48109 USA

[2] Ford Motor Co, Powertrain Controls Res & Adv Engn, Dearborn, MI 48121 USA

来源：

2009 AMERICAN CONTROL CONFERENCE, VOLS 1-9 | 2009年

关键词：

D O I：

10.1109/ACC.2009.5159952

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Knowledge of tire friction force capacity, i.e. tire-load frictional coefficient, is important for the control of vehicle active safety systems. In this paper we review several methods for friction estimation and develop two robust and cost effective methods based on a nonlinear least square approach and the peak aligning torque. The methods proposed in this paper utilize simple vehicle lateral dynamics, steering system, and front tire dynamics. The first estimator uses direct calculation based on front tire self-aligning torque and the second method is based on a nonlinear least square method. These estimators are verified with Carsim under various conditions.

引用

页码：1104 / +

页数：2

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