Estimation of the Maximum Tire-Road Friction Coefficient-Reference-Cited by-同舟云学术

Estimation of the Maximum Tire-Road Friction Coefficient

Published:2003-12-01 Issue:4 Volume:125 Page:607-617
ISSN:0022-0434
Container-title:Journal of Dynamic Systems, Measurement, and Control
language:en
Short-container-title:

Author:

Mu¨ller Steffen¹²,Uchanski Michael³,Hedrick Karl³

Affiliation:

1. Postdoc at the Department of Mechanical Engineering, University of California, Berkeley, California 94720

2. Since June 1st 2001: BMW AG, 80788 Mu¨nchen

3. Department of Mechanical Engineering, University of California, Berkeley, California 94720

Abstract

We develop and test a “slip-based” method to estimate the maximum available tire-road friction during braking. The method is based on the hypothesis that the low-slip, low-μ parts of the slip curve used during normal driving can indicate the maximum tire-road friction coefficient, μmax. We find support for this hypothesis in the literature and through experiments. The friction estimation algorithm uses data from short braking maneuvers with peak accelerations of 3.9 m/s2 to classify the road surface as either dry μmax≈1 or lubricated μmax≈0.6. Significant measurement noise makes it difficult to detect the subtle effect being measured, leading to a misclassification rate of 20%.

Publisher

ASME International

Subject

Computer Science Applications,Mechanical Engineering,Instrumentation,Information Systems,Control and Systems Engineering

Link

http://asmedigitalcollection.asme.org/dynamicsystems/article-pdf/125/4/607/5531177/607_1.pdf

Reference39 articles.

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3. Eichhorn, U., and Roth, J., 1992, “Prediction and Monitoring of Tyre/Road Friction,” XXIV FISITA Congress, London, GB, 2:67–74, June 7–11. “Safety, the Vehicle, and the Road.”

4. Breuer, B., Eichhorn, U., and Roth, J., 1992, “Measurement of Tyre/Road Friction Ahead of the Car and Inside the Tyre,” Proceedings of AVEC’92 (International Symposium on Advanced Vehicle Control), pp. 347–353.

5. Breuer, B., Bartz, M., Karlheinz, B., Gruber, S., Semsch, M., Strothjohann, Th., and Xie, C., 2000, “The Mechatronic Vehicle Corner of Darmstadt University of Technology-Interaction and Cooperation of a Sensor Tire, New Low-Energy Disc Brake and Smart Wheel Suspension,” Proceedings of FISITA 2000, Seoul, Korea, June 12–15.

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