Detecting and identifying multiple failures in a flight control system

Sai M. Gopisetty, Robert F. Stengel

Research output: Contribution to conferencePaper

5 Scopus citations

Abstract

Parity space and parameter estimation methods are combined to detect and identify sensor and actuator failures in a control system. Parity residuals (or error indicators) are generated from analytical relations describing the dynamics of the system. Representing the failures in sensors and actuators as biases and changes in scale, a recursive least-squares estimator is designed to identify the source and magnitude of all failures from the information contained in the residuals. The choice of sensors, length of the information window, and possible combinations of sensors and actuators on the performance of the failure detection and identification procedure are addressed. Simulation results on a linear aircraft model with wind disturbances and sensor noise show the validity of the present approach.

Original languageEnglish (US)
Pages1757-1765
Number of pages9
DOIs
StatePublished - 1998
EventGuidance, Navigation, and Control Conference and Exhibit, 1998 - Boston, United States
Duration: Aug 10 1998Aug 12 1998

Other

OtherGuidance, Navigation, and Control Conference and Exhibit, 1998
CountryUnited States
CityBoston
Period8/10/988/12/98

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Aerospace Engineering
  • Control and Systems Engineering

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    Gopisetty, S. M., & Stengel, R. F. (1998). Detecting and identifying multiple failures in a flight control system. 1757-1765. Paper presented at Guidance, Navigation, and Control Conference and Exhibit, 1998, Boston, United States. https://doi.org/10.2514/6.1998-4488