A new tire-road friction coefficient estimation approach based on lateral carcass deflection measurements is proposed. The unique design of the developed wireless piezoelectric sensor decouples lateral carcass deformations from radial and tangential carcass deformations. The estimation of the tire-road friction coefficient depends on the estimation of the slip angle and the lateral tire force. The tire slip angle is estimated as the slope of the lateral deflection curve at the leading edge of the contact patch. The lateral tire force is obtained by using a parabolic relationship with the lateral deflections in the contact patch. The estimated slip angle and lateral force are then plugged into a tire brush model to estimate the tire-road friction coefficient. A specially constructed tire test-rig is used to experimentally evaluate the performance of the tire sensor and the developed approach. Experimental results show that the proposed tire-road friction coefficient estimation approach is quite promising.
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ASME 2010 Dynamic Systems and Control Conference
September 12–15, 2010
Cambridge, Massachusetts, USA
Conference Sponsors:
- Dynamic Systems and Control Division
ISBN:
978-0-7918-4418-2
PROCEEDINGS PAPER
Measurement of Uncoupled Lateral Carcass Deflections With a Wireless Piezoelectric Sensor and Estimation of Tire Road Friction Coefficient Available to Purchase
Gurkan Erdogan,
Gurkan Erdogan
University of California, Berkeley, Berkeley, CA
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Lee Alexander,
Lee Alexander
University of Minnesota, Minneapolis, MN
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Rajesh Rajamani
Rajesh Rajamani
University of Minnesota, Minneapolis, MN
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Gurkan Erdogan
University of California, Berkeley, Berkeley, CA
Lee Alexander
University of Minnesota, Minneapolis, MN
Rajesh Rajamani
University of Minnesota, Minneapolis, MN
Paper No:
DSCC2010-4100, pp. 541-548; 8 pages
Published Online:
January 25, 2011
Citation
Erdogan, G, Alexander, L, & Rajamani, R. "Measurement of Uncoupled Lateral Carcass Deflections With a Wireless Piezoelectric Sensor and Estimation of Tire Road Friction Coefficient." Proceedings of the ASME 2010 Dynamic Systems and Control Conference. ASME 2010 Dynamic Systems and Control Conference, Volume 2. Cambridge, Massachusetts, USA. September 12–15, 2010. pp. 541-548. ASME. https://doi.org/10.1115/DSCC2010-4100
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