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Control Systems in the Presence of Actuators or Sensors Degradation

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: https://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

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