Smooth shift control of automatic transmissions using a robust adaptive scheme with intelligent supervision
by Deok-Ho Kim, Kyung-Jinn Yang, Keum-Shik Hong, Jin-Oh Hahn, Kyo-Il Lee
International Journal of Vehicle Design (IJVD), Vol. 32, No. 3/4, 2003

Abstract: In this paper, a robust adaptive control scheme with an intelligent supervisor for vehicle powertrain systems is investigated. The control objectives are to provide smooth shift transients for passenger comfort and to improve component durability. The reaction carrier speed and the turbine speed during the inertia phase are controlled to track their desired speeds, respectively. The boundedness of all signals in the closed loop system and the convergence of the reaction carrier speed error near to zero are guaranteed by applying the Lyapunov stability analysis. The adaptive compensation controller with an intelligent supervisor is implemented to keep the turbine speed error near to zero and the deviation of the shift duration within an allowable range. The proposed control algorithm is implemented and evaluated on an experimental test setup.

Online publication date: Sun, 28-Sep-2003

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