Experimental second order sliding mode fault tolerant control for moment gyroscope system with sensor fault

The paper proposes and evaluates an experimental passive sensor fault tolerant control for a gyroscope system. The sensor fault occurrence reduces the performance and may even cause the instability. This work focuses on developing fault tolerant control when these drawbacks are occurred. A passive fault tolerant control (PFTC) scheme is developed to counteract a sensor failure and parameters uncertainties. A second sliding mode FTC strategy based on super twisting algorithm ensures the stability robustness of the gyroscope system in the presence of the additive faults. For this purpose, the passive fault tolerant control (PFTC) approach is designed to preserve the stability and to maintain an acceptable performance when the sensor failure appears. The effectiveness of the proposal fault tolerant control strategy is validated by simulation and experiment results in presence of the sensor fault.

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