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This paper proposed a robust H∞ fault estimation method and a fault-tolerant control(FTC) of vapor compression cycle(VCC) systems. Based on a moving boundary model(MBM), linearization and model reduction were conducted. Actuator faults were estimated by a proportional-integral(PI)-observer and it was designed using a H∞ estimation theory. Robust fault-tolerant controller was designed using a convex...
This paper presents a model-reference adaptive fault-tolerant control scheme for a class of nonlinear systems. Robust adaptive control algorithms are derived without the need for precise system parameters or analytical bound estimation on actuator failure variables. The overall control scheme has simpler structure and demand less online computations as compared with most existing methods. The proposed...
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