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)

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.
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

Fingerprint

Transient analysis
System stability
Controllers
Stability criteria
Missiles
Nonlinear systems
Actuators
Damping

Keywords

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

Cite this

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, .
Counsell, John M. ; Brindley, Joseph ; Macdonald, Malcolm. / Non-linear autopilot design using the philosophy of variable transient response. Paper presented at AIAA Guidance, Navigation and Control Conference, Chicago, Illinois, .12 p.
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Counsell, JM, Brindley, J & Macdonald, M 2009, 'Non-linear autopilot design using the philosophy of variable transient response' Paper presented at AIAA Guidance, Navigation and Control Conference, Chicago, Illinois, 10/08/09 - 13/08/09, pp. 180157.

Non-linear autopilot design using the philosophy of variable transient response. / Counsell, John M.; Brindley, Joseph; Macdonald, Malcolm.

2009. 180157 Paper presented at AIAA Guidance, Navigation and Control Conference, Chicago, Illinois, .

Research output: Contribution to conferencePaper

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AB - 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.

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