Intelligent tires for identifying coefficient of friction of tire/road contact surfaces

Ryosuke Matsuzaki; Kazuto Kamai; Ryosuke Seki

doi:10.1117/12.2083158

27 March 2015 Intelligent tires for identifying coefficient of friction of tire/road contact surfaces

Ryosuke Matsuzaki, Kazuto Kamai, Ryosuke Seki

Proceedings Volume 9435, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2015; 94350A (2015) https://doi.org/10.1117/12.2083158
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

Intelligent tires equipped with sensors as well as the monitoring of the tire/road contact conditions are in demand for improving vehicle control and safety. With the aim of identifying the coefficient of friction of tire/road contact surfaces during driving, including during cornering, we develop an identification scheme for the coefficient of friction that involves estimation of the slip angle and applied force by using a single lightweight three-axis accelerometer attached on the inner surface of the tire. To validate the developed scheme, we conduct tire-rolling tests using an accelerometer-equipped tire with various slip angles on various types of road surfaces, including dry and wet surfaces. The results of these tests confirm that the estimated slip angle and applied force are reasonable. Furthermore, the identified coefficient of friction by the developed scheme agreed with that measured by standardized tests.

Citation Download Citation

Ryosuke Matsuzaki, Kazuto Kamai, and Ryosuke Seki "Intelligent tires for identifying coefficient of friction of tire/road contact surfaces", Proc. SPIE 9435, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2015, 94350A (27 March 2015); https://doi.org/10.1117/12.2083158

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