Active Fault Tolerant Control Design for LPV Systems with Simultaneous Actuator and Sensor Faults

Raouaa Tayari, Ali Ben Brahim, Fayçal Ben Hmida and Anis Sallami

Mathematical Problems in Engineering, 2019, vol. 2019, 1-14

Abstract:

The present paper addresses the problem of robust active fault tolerant control (FTC) for uncertain linear parameter varying (LPV) systems with simultaneous actuator and sensor faults. First, fault estimation (FE) scheme is designed based on two adaptive sliding mode observers (SMO). Second, using the information of simultaneous system state, actuator, and sensor faults, two active FTC are conceived for LPV systems described with polytopic representation as state feedback control and sliding mode control. The stability of closed-loop systems is guaranteed by mean of performance; sufficient conditions of the proposed methods are derived in LMIs formulation. The performance effectiveness of FTC design is illustrated using a VTOL aircraft system with both sensor and actuator faults as well as disturbances. In addition, comparative simulations are provided to verify the benefits of the proposed methods.

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:5820394

DOI: 10.1155/2019/5820394

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