Control Systems in the Presence of Actuators or Sensors Degradation

Chieh-Chuan Feng

Title:
Control Systems in the Presence of Actuators or Sensors Degradation

Authors:
Chieh-Chuan Feng
DOI:
https://doi.org/10.31142/ijtsrd2250

Cite This Article :

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, pp.97-104, URL: https://www.ijtsrd.com/papers/ijtsrd2250.pdf

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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.

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

Publication Details:

Unique Identification Number : IJTSRD2250

Published In : Volume-1 | Issue-5, August 2017

Page Number(s) : 97-104

Publisher Name : IJTSRD | www.ijtsrd.com | E-ISSN 2456-6470

Copyright © 2019 by author(s) and International Journal of Trend in Scientific Research and Development Journal. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)

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