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This paper concerns with the robust finite-time fault diagnosis of leader-follower multi-agent systems with actuator faults. Using linear matrix inequality (LMI) and robust finite-time boundedness theory, a sufficient condition is firstly presented for a dynamic system to be robust finite-time bounded. The observer is constructed based on relative output estimation error. Then the existence conditions...
A design framework of the observer‐based robust fault estimation for continuous‐time/discrete‐time systems is presented in this paper. Firstly, a multiconstrained fault estimation observer under the H∞ performance specification with the regional pole constraint is proposed to achieve robust fault estimation. Then, the existence conditions for both continuous‐time/discrete‐time systems are derived...
In this paper, a new approach to sensor faults detection and isolation for a class of nonlinear systems is proposed. Through introducing a new state variable, an augmented system can be constructed to treat sensor faults as actuator faults in the form to avoid amplification of sensor faults. Then a bank of sliding mode integral observers (SMIO) are utilized to isolate all possible sensor faults and...
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