The tightly integrated airframe and scramjet propulsion system of near-space air-breathing hypersonic vehicle (AHSV) greatly deteriorates the stability of attitude control system, when the angle of attack of AHSV changes. The rudder amplitude will saturate once the airframe is exposed to disturbance, which may lead to the degradation of dynamic performance of the system, and even instability of the attitude. In order to deal with the problem mentioned above, firstly, the design methods of both L2 anti-windup compensation and the compensation based on linear matrix inequality (LMI) were presented, as well as the principles of the parameter selection, especially, the computation method of the controllability reign of unstable modes. Secondly, the two methods were applied in the longitudinal attitude control law design. Finally, the simulation results show that both of the two methods are viable solutions to the problem of mitigating effect of input saturation in tracking control of hypersonic vehicle by simulation. As for the saturation aroused by disturbance, L2 Anti-windup Controller is much better than anti-windup controller based on LMI.


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    Title :

    Comparison on the anti-windup control methods of air-breathing hypersonic vehicle


    Contributors:
    Di, Xiaoguang (author) / Hao, Chuangzhou (author) / Che, Jun (author) / Tan, Zhiyong (author) / Zhang, Silun (author)


    Publication date :

    2014-07-01


    Size :

    311476 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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