Locked wheel protection is an important part of antiskid control for aircraft brake control system. Locked wheel protection compares the wheel speed of two or more wheels, if one of the wheels is too slow, locked wheel protection releases the brake pressure on the slow wheel. This work aims to study the control logic for locked wheel protection. Locked wheel protection control logic consists of 3 key factors: paired wheels, active threshold and inhibit velocity. Focus on comparison different options of these 3 factors, all aspects of control logic for locked wheel protection had been expounded in this study. Simulation and calculation analysis is applied for different locked wheel strategies to evaluate the effect. One conclusion is that the greatest wheel speed of the wheel under control shall be set as a reference speed for locked wheel protection. This study provide the basis to design a proper locked wheel protection function of aircraft brake control system.


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    Title :

    Research on Locked Wheel Protection Function of Aircraft Brake System


    Additional title:

    Sae Technical Papers


    Contributors:
    Li, Bing (author) / Dong, Jin (author) / Xiao, Peng (author) / Meng, Qingtang (author)

    Conference:

    Brake Colloquium & Exhibition - 39th Annual ; 2021



    Publication date :

    2021-10-11




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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