In this paper, an active fault tolerant control system is proposed and applied to a new intensified heat exchanger/reactor system. This method consists of an adaptive observer-based fault detection, isolation, and identification scheme and a control law redesign method based on the backstepping approach. The objective of the application of the fault tolerant control system is to ensure the safety and productivity of this intensified heat exchanger/reactor even in the presence of a fault. Both parameter and sensor faults are considered. The effectiveness of the fault tolerant control method based on adaptive observers is validated by simulations on the heat exchanger/reactor system. (c) 2022 European Control Association. Published by Elsevier Ltd. All rights reserved.
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