Fault-tolerant control based Super-Twisting algorithm for the diesel engine air path subject to loss-of-effectiveness and additive actuator faults

  • Ahmed Ali S
  • Guermouche M
  • Langlois N
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Abstract

In this paper, a passive fault tolerant control strategy carried out under the concept of higher order sliding mode control is developed for the diesel engine air path. The proposed fault tolerant strategy incorporates a Super-Twisting algorithm controller which handles parametric uncertainties and actuator faults. In this paper we consider two types of actuator faults, additive and loss-of-effectiveness faults. Theoretical results on the convergence of the proposed controller based on the Lyapunov theory are presented. The simulations of the proposed controller on a recently validated experimental air path diesel engine model show good results under actuator faults conditions even in the presence of parametric uncertainties.

Author-supplied keywords

  • Higher order sliding mode control (HOSMC)
  • Nonlinear control
  • Passive fault-tolerant control (PFTC)
  • Sliding mode control (SMC)
  • Super-Twisting algorithm (STA)
  • Turbocharged diesel engine (TDE)

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