– This paper aims to present a robust design approach to realize disturbance attenuation for a yaw – pitch gimballed system subject to actuator saturation and disturbances.

    Design/methodology/approach

    – To minimize the impacts of disturbances in the presence of saturation nonlinearity and acquire desired response performance, the control approach is of double closed-loop configuration. State feedback controllers are synthesized via convex optimization and used to stabilize the inner loops; robust controllers are synthesized via mixed H optimization and used to stabilize the outer loops.

    Findings

    – It is shown through performance simulations that the proposed control scheme is effective in terms of command following, stability and disturbance attenuation.

    Practical implications

    – The presented robust control approach provides a theoretical method to facilitate designing a stable servo control loop for a yaw – pitch gimballed seeker.

    Originality/value

    – This paper supplies an effective way of addressing stabilization problem induced from actuator saturation and system uncertainties.


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    Title :

    Robust control of a yaw-pitch gimballed seeker


    Contributors:
    Zhan, S.T. (author) / Yan, W.X, (author) / Fu, Z. (author) / Pan, Gen (author) / Zhao, Y.Z. (author)


    Publication date :

    2015-01-05


    Size :

    9 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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