Real-time knowledge of the tire-road friction coefficient (TRFC) and vehicle states are of critical importance for vehicle dynamic control systems. A vehicle lateral velocity and TRFC estimation method is proposed in this paper. When tires work in the linear tire force region, the dynamic model-based lateral speed estimator is adapted to give the lateral speed estimation. When the tires work in the nonlinear tire force regions, the dynamic model-based estimator is switched to the kinematics based one such that the vehicle lateral speed can be estimated without using the TRFC information. As the tire force model is not used to estimate the lateral speed in the kinematics-based estimator, the TRFC can be indentified simultaneously with a tire force model. The proposed estimation method has the potential of estimating the TRFC and vehicle lateral speed with low-cost sensors. Experimental results with a four wheel independently-actuated (FWIA) electric vehicle show the effectiveness of the proposed estimation method.
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ASME 2012 5th Annual Dynamic Systems and Control Conference joint with the JSME 2012 11th Motion and Vibration Conference
October 17–19, 2012
Fort Lauderdale, Florida, USA
Conference Sponsors:
- Dynamic Systems and Control Division
ISBN:
978-0-7918-4531-8
PROCEEDINGS PAPER
Vehicle Lateral Velocity and Tire-Road Friction Coefficient Estimation
Rongrong Wang,
Rongrong Wang
Ohio State University, Columbus, OH
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Guodong Yin,
Guodong Yin
Southeast University, Nanjing, China
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Junmin Wang
Junmin Wang
Ohio State University, Columbus, OH
Search for other works by this author on:
Rongrong Wang
Ohio State University, Columbus, OH
Guodong Yin
Southeast University, Nanjing, China
Junmin Wang
Ohio State University, Columbus, OH
Paper No:
DSCC2012-MOVIC2012-8575, pp. 495-502; 8 pages
Published Online:
September 17, 2013
Citation
Wang, R, Yin, G, & Wang, J. "Vehicle Lateral Velocity and Tire-Road Friction Coefficient Estimation." Proceedings of the ASME 2012 5th Annual Dynamic Systems and Control Conference joint with the JSME 2012 11th Motion and Vibration Conference. Volume 3: Renewable Energy Systems; Robotics; Robust Control; Single Track Vehicle Dynamics and Control; Stochastic Models, Control and Algorithms in Robotics; Structure Dynamics and Smart Structures; Surgical Robotics; Tire and Suspension Systems Modeling; Vehicle Dynamics and Control; Vibration and Energy; Vibration Control. Fort Lauderdale, Florida, USA. October 17–19, 2012. pp. 495-502. ASME. https://doi.org/10.1115/DSCC2012-MOVIC2012-8575
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