Abstract
For plants with sensor failures, this paper presents a new design method for a self-repairing control system (SRCS) with the FitzHugh-Nagumo (FHN) model. The FHN equation is well-known as the mathematical model which represents various electrical behaviors in membrane excitation. The proposed SRCS exploits this model as a fault detection filter. By monitoring a spike caused by an abnormal signal from the sensor, the faulty sensor can be detected and replaced with the healthy backup so as to maintain the stability of the control system. Furthermore, to confirm the effectiveness of the proposed SRCS, several numerical simulations are explored.
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