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Study on Control Strategy for Locking-Up Process of Torque Converter

In this paper, whole vehicle model is established by Matlab/simulink. Locking-up process of torque converter is simulated based on whole vehicle model. The influence of slope K of oil pressure of lock-up clutch to the performance of vehicle is analyzed. Golden section method is proposed to calculate slope K of oil pressure of lock-up clutch in the Locking-up process. The simulation result shows: Locking-up quality of torque converter is effectively improved by slope K calculated by Golden section method.