Reliable H∞ Aircraft flight controller design against faults with state/Output feedback

Le Feng, Jianliang Wang, Engkee Poh, Fang Liao

Research output: Journal PublicationConference articlepeer-review

14 Citations (Scopus)

Abstract

This paper presents a novel H∞ formulation to design a reliable tracking controller for a discrete LTI aircraft system against actuator outage faults and control surface impairment modelled as polytopic uncertainties. Both the state-feedback and output-feedback cases are considered. The approach is based on multiobjective optimization using several parameter dependent Lyapunov functions, each corresponding to a vertex of the uncertainty polytope. The main advantage of this approach with respect to the other well-known techniques is the reduced conservativeness. In the output-feedback case, a new Linear Matrix Inequality (LMI) formulation is derived and solved by an iterative LMI (ILMI) algorithm. Finally, the application to a nonlinear F-16 aircraft model with actuator outage faults and control surface impairment illustrates the effectiveness of the proposed approach.

Original languageEnglish
Article numberThB11.5
Pages (from-to)2664-2669
Number of pages6
JournalProceedings of the American Control Conference
Volume4
Publication statusPublished - 2005
Externally publishedYes
Event2005 American Control Conference, ACC - Portland, OR, United States
Duration: 8 Jun 200510 Jun 2005

Keywords

  • Control
  • Control Surface impairment; State/Output Feedback
  • Flight control
  • H∞
  • Linear Matrix Inequalities
  • Lyapunov Function
  • Outage Fault

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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