Integrated Control of Tire Normal Forces and Active Front Steering to Enhance Vehicle Handling

Author:

March Carl1,Shim Taehyun1,Zhang Yi1

Affiliation:

1. University of Michigan at Dearborn

Abstract

This paper presents the development of an active front steering (AFS) control system and normal force control (NFC) scheme utilizing fuzzy reasoning to track neutral steer yaw rate. The performance of the stand-alone controllers is compared with an integrated chassis management scheme combining the two. The simulation results indicate that the NFC by the active suspension as a stand-alone system shows improvement in vehicle handling response. The integrated chassis control scheme utilizing the steering and suspension controllers is proven to be more effective in attaining the desired performance that would not be attained individually.

Publisher

ASMEDC

Reference28 articles.

1. Dixon, John C. (1996). “Tires, Suspension and Handling.” Second Edition. Society of Automotive Engineers Inc., Warrandale, PA.

2. Gillespie, Thomas D. (1992). “Fundamentals of Vehicle Dynamics.” Society of Automotive Engineers Inc., Warrandale, PA.

3. “Vehicle Dynamics Terminology.” SAE J670e, Society of Automotive Engineers Inc., Warrandale, PA. (See Appendix A).

4. Benekohal, RF; Treiterer, J. (1988). “CARSIM: Car-Following Model For Simulation Of Traffic In Normal And Stop-And-Go Conditions.” Paper No. 0-309-04765-X. Transportation Research Record. 1988. (1194) pp. 99–111 (7 Fig., 4 Tab., 26 Ref.).

5. Zeyada, Yasser; Karnopp, Dean; El-Arabi, Mohammed; El-Behiry, El-Sayed; (1998). “A Combined Active Steering Differential Braking Yaw Rate Control Strategy for Emergency Maneuvers.” SAE Technical Paper No. 980230.

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