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Vehicle Direct Yaw Moment Control Based on Tire Cornering Stiffness Estimation

[+] Author Affiliations
Zhang Lei, Liangyao Yu, Pan Ning, Liu Xiaoxue, Song Jian

Tsinghua University, Beijing, China

Paper No. DSCC2014-6213, pp. V003T49A004; 8 pages
doi:10.1115/DSCC2014-6213
From:
  • ASME 2014 Dynamic Systems and Control Conference
  • Volume 3: Industrial Applications; Modeling for Oil and Gas, Control and Validation, Estimation, and Control of Automotive Systems; Multi-Agent and Networked Systems; Control System Design; Physical Human-Robot Interaction; Rehabilitation Robotics; Sensing and Actuation for Control; Biomedical Systems; Time Delay Systems and Stability; Unmanned Ground and Surface Robotics; Vehicle Motion Controls; Vibration Analysis and Isolation; Vibration and Control for Energy Harvesting; Wind Energy
  • San Antonio, Texas, USA, October 22–24, 2014
  • Conference Sponsors: Dynamic Systems and Control Division
  • ISBN: 978-0-7918-4620-9
  • Copyright © 2014 by ASME

abstract

Direct yaw moment control (DYC) is an active safety technique developed in recent years to improve vehicle handling dynamics. Delayed or excessive intervention is a common problem in traditional logic threshold control algorithm due to the vehicle inertia. To improve the control effect, model predictive control (MPC) is applied in stability control which relies significantly on the accuracy of reference model. In this paper, a MPC stability controller with tire cornering stiffness estimation is proposed. The reference model is modified online by correcting tire cornering stiffness. In this way, yaw rate can be better predicted which improves the control effect. The effectiveness of the proposed algorithm is compared with a MPC controller with constant tire cornering stiffness and a traditional logic threshold controller through numeric simulation. The simulation result indicates that the handling performance of the proposed controller is improved from that without tire cornering stiffness estimation.

Copyright © 2014 by ASME
Topics: Vehicles , Stiffness , Tires , Yaw

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