Control Systems in the Presence of Actuators or Sensors Degradation


Article PDF :

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Article type :

Original Article

Author :

Chieh-Chuan Feng

Volume :

1

Issue :

5

Abstract :

In this paper, we design controller that combines an observer and a control to handle systems subject to actuator or sensor degradation (including complete failure). The observer contains a pre-filter, an adaptive law, and a modified Luenberger observer that achieves estimation of system state and estimation of conditions of actuator or sensor. We have shown that if a set of differential Riccati inequatities (DRI) is satisfied then the system can be stabilized under actuator degrad-ation. While in sensor degradation case if an Algebraci Riccati inequality (ARI) and a DRI are satisfied then the system is stabilized. Chieh-Chuan Feng"Control Systems in the Presence of Actuators or Sensors Degradation" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-1 | Issue-5 , August 2017, URL: http://www.ijtsrd.com/papers/ijtsrd2250.pdf Paper URL: http://www.ijtsrd.com/engineering/electrical-engineering/2250/control-systems-in-the-presence-of-actuators-or-sensors-degradation/chieh-chuan-feng

Keyword :

Algebraic Riccati Inequality (ARI); Differential Riccati Inequaity (DRI); Linear Matrix Inequality (LMI); Differential Linear Matrix Inequalities (DLMI); Degradation.
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