Title :
Stable adaptive multiple model-based control design for accommodation of sensor failures
Author :
Boskvic, J.D. ; Mehra, Raman K.
Author_Institution :
Sci. Syst. Co., Inc, Woburn, MA, USA
Abstract :
We propose a suitable parametrization for the modeling of sensor failures in flight control applications. The failures include bias, drift, loss of accuracy, calibration error, and freezing. Based on this parameterization, reconfigurable control algorithms are designed and stability and robustness analysis is carried out. Properties of the proposed algorithms are illustrated through simulations.
Keywords :
aerospace control; control system synthesis; fault diagnosis; fault tolerance; model reference adaptive control systems; observers; robust control; sensors; bias; calibration error; drift; flight control; freezing; reconfigurable control algorithms; robustness analysis; sensor failures accommodation; stability analysis; stable adaptive multiple model-based control design; Adaptive control; Aerodynamics; Aerospace control; Algorithm design and analysis; Calibration; Control design; Programmable control; Robust stability; Sensor systems and applications; Vehicle dynamics;
Conference_Titel :
American Control Conference, 2002. Proceedings of the 2002
Print_ISBN :
0-7803-7298-0
DOI :
10.1109/ACC.2002.1023937