Abstract

A slip ratio control strategy for aircraft electric braking system based on sliding mode control is proposed in this paper. The traditional control strategy PD+PBM has poor adaptability and can only realize good control effect on the specific runway. The control strategy proposed in this paper could perform well under various working conditions such as dry runway, wet runway and ice runway. In order to verify the effectiveness of the control strategy, a six-degree-of-freedom simulation model of the aircraft was established. The results of simulation show that the control strategy can keep the slip ratio track the optimal value, which will improve the braking efficiency and stability under various working conditions.

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