Stability Criteria and Evaluation of Steering Maneuver in "Driver-Vehicle System"

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概要

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• For chassis control systems such as 4-wheel steering and active suspension, the most suitable and reasonable control is always desired to achieve better driving sensation. We discuss a theoretical analysis of the stability criteria and a performance index for a driver-vehicle (closed-loop) system. Assuming a linear preview control model of a driver in a lane change maneuver and an equivalent linear bicycle model for the vehicle, the stable and unstable zones on the u-T_p plane (u : velocity, T_p : preview time) are derived, and a typical quadratic expression for the cost function is proposed. Vehicle design parameters, the rear-wheel steering control algorithm and the driver characteristics can be discussed quantitatively in the same terms on the f_y-K plane (f_y : yawing natural frequency, K : stability factor) to determine pleasurable driving sensation or a possible safety criteria.

• 一般社団法人日本機械学会の論文
• 1994-03-15

著者

• Harada H

  Faculty Of Science And Engineering Shimane University

• Harada Hiroshi

  Vehicle Reasearch & Advanced Engineering Division, Higashifuji Technical Center of Toyota Motor Corp

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