In this paper we present a passive fault tolerant control strategy for the Internal Combustion air path. This strategy is carried out under the concept of Higher Order Sliding Mode Control (HOSMC). The proposed fault tolerant strategy incorporates a Super-Twisting controller which handles parametric uncertainties and actuator failures. In this paper we consider two types of actuator failures, additive and loss-ofeffectiveness faults., theoretical results on the convergence of the proposed controller based on the Lyapunov theory are derived. The simulations of the proposed controller on a recently validated experimental air path internal combustion model, show good results for actuator failures conditions even in the presence of uncertainties on model parameters.
This paper investigates second order sliding mode control. The use of the super twisting algorithm for the combustion engine air path is to achieve fault-tolerance and to enhance the chattering phenomenon. Comparing to the adaptive sliding mode controller (ASMC), the obtained results showed good performances for actuator fault-accommodation even in the presence of uncertainties on model parameters.
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