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Non-linear autopilot design using the philosophy of variable transient response

Counsell, John M. and Brindley, Joseph and Macdonald, M. (2009) Non-linear autopilot design using the philosophy of variable transient response. In: AIAA Guidance, Navigation and Control Conference, 2009-08-10 - 2009-08-13, Chicago, Illinois.

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    Abstract

    The novel non-linear controller design methodology of Variable Transient Response (VTR) is presented in this research. The performance of VTR is compared to that of successful non-linear controller designs (such as Robust Inverse Dynamics Estimation and a traditional autopilot design) by application to a non-linear missile model. The simulated results of this application demonstrate that the inclusion of VTR into the RIDE design results in a 50% improvement in response time and 100% improvement in settling time whilst achieving stable and accurate tracking of a command input. Analysis demonstrates that VTR dynamically alters the system's damping, resulting in a non-linear response. The system stability is analysed during actuator saturation using non-linear stability criteria. The results of this analysis show that the inclusion of VTR into the RIDE design does not compromise non-linear system stability.

    Item type: Conference or Workshop Item (Paper)
    ID code: 9813
    Keywords: non-linear autopilot design, variable transient response, control systems, guidance, navigation, Mechanical engineering and machinery, Motor vehicles. Aeronautics. Astronautics, Mechanical Engineering, Aerospace Engineering, Control and Systems Engineering, Computational Mechanics
    Subjects: Technology > Mechanical engineering and machinery
    Technology > Motor vehicles. Aeronautics. Astronautics
    Department: Faculty of Engineering > Mechanical and Aerospace Engineering
    Related URLs:
    Depositing user: Ms Katrina May
    Date Deposited: 11 Aug 2009 15:14
    Last modified: 06 Sep 2014 23:56
    URI: http://strathprints.strath.ac.uk/id/eprint/9813

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