1132 Slip Control of a Lock-Up Clutch by Using Gain-Scheduled H-infinity Control

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  • 1132 ゲインスケジュールドH_∞制御によるロックアップクラッチのスリップ回転速度制御(交通機械の制御(1))

Abstract

It is well known that a good method for improving fuel economy is to engage the lock-up clutch of the torque-converter. In the lock-up clutch, it is necessary to control the slip speed from lower speed region in order to improve fuel consumption performance. However, the plant parameters are changed by a turbine speed, and the control is difficult. In this paper, we apply the gain-scheduled H_∞ control method to the slip speed control system of the lock-up clutch. Since the plant parameters can be scheduled by the turbine speed, the gain-scheduled control will be an effective way to improve the control performance. The effectiveness of the proposed method is shown by the simulation comparing with μ synthesis and H_∞ control method.

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