Dynamic-Deflection Tire Modeling for Low-Speed Vehicle Lateral Dynamics

Author:

Koo Shiang-Lung1,Tan Han-Shue2

Affiliation:

1. Department of Mechanical Engineering, University of California at Berkeley, Berkeley, CA 94720-1720

2. California PATH, University of California at Berkeley, Institute of Transportation Studies, Richmond, CA 94804-4698

Abstract

Abstract Vehicle lateral dynamics depends heavily on the tire characteristics. Accordingly, a number of tire models were developed to capture the tire behaviors. Among them, the empirical tire models, generally obtained through lab tests, are commonly used in vehicle dynamics and control analyses. However, the empirical models often do not reflect the actual dynamic interactions between tire and vehicle under real operational environments, especially at low vehicle speeds. This paper proposes a dynamic-deflection tire model, which can be incorporated with any conventional vehicle model to accurately predict the resonant mode in the vehicle yaw motion as well as steering lag behavior at low speeds. A snowblower was tested as an example and the data gathered verified the predictions from the improved vehicle lateral model. The simulation results show that these often-ignored characteristics can significantly impact the steering control designs for vehicle lane-keeping maneuvers at low speeds.

Publisher

ASME International

Subject

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

Reference20 articles.

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4. “2003 Annual Report,” California Partners for Advanced Transit and Highways (PATH), pp. 18–19.

5. Obata, K., Miyata, N., Kobayashi, M., Nishioka, M., and Yoshikawa, H., 2001, “Development of Automatic Yard Crane,” Mitsubishi Heavy Industries, Ltd., Technical Review, 38(2), pp. 62–66.

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. A Hybrid Physical-Dynamic Tire/Road Friction Model;Journal of Dynamic Systems, Measurement, and Control;2012-10-30

2. A Real-World Application of Lane-Guidance Technologies—Automated Snowblower;IEEE Transactions on Intelligent Transportation Systems;2007-09

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