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

John M. Counsell, Joseph Brindley, Malcolm Macdonald

Research output: Contribution to conferencePaper

3 Citations (Scopus)
104 Downloads (Pure)

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.
Original languageEnglish
Pages180157
Number of pages12
Publication statusPublished - Aug 2009
EventAIAA Guidance, Navigation and Control Conference - Chicago, Illinois
Duration: 10 Aug 200913 Aug 2009

Conference

ConferenceAIAA Guidance, Navigation and Control Conference
CityChicago, Illinois
Period10/08/0913/08/09

Keywords

  • non-linear autopilot design
  • variable transient response
  • control systems
  • guidance
  • navigation

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    Counsell, J. M., Brindley, J., & Macdonald, M. (2009). Non-linear autopilot design using the philosophy of variable transient response. 180157. Paper presented at AIAA Guidance, Navigation and Control Conference, Chicago, Illinois, .