Stabilization of passively unstable thrust-levitated vehicles can require significant control inputs. Although thrust vectoring is a straightforward choice for realizing these inputs, this may lead to difficulties discussed in the paper. This paper examines supplementing thrust vectoring with Variable-Speed Control Moment Gyroscopes (VSCMGs). The paper describes how to allocate VSCMGs and the vectored thrust mechanism for attitude stabilization in frequency domain and also shows trade-off between vectored thrust and VSCMGs. Using an H2 control synthesis methodology in LMI optimization, a feedback control law is designed for a thrust-levitated research vehicle and is simulated with the full nonlinear model. It is demonstrated that VSCMGs can reduce the use of vectored thrust variation for stabilizing the hovering platform in the presence of strong wind gusts.


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    Title :

    Attitude Control for an Aero-Vehicle Using Vector Thrusting and Variable Speed Control Moment Gyros


    Contributors:

    Conference:

    AIAA Guidance, Navigation, and Control Conference and Exhibit ; 2005 ; San Francisco, CA, United States


    Publication date :

    2005-01-01


    Type of media :

    Preprint


    Type of material :

    No indication


    Language :

    English




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