Robust Model-Based Fault Diagnosis for PEM Fuel Cell Air-Feed System

  title={Robust Model-Based Fault Diagnosis for PEM Fuel Cell Air-Feed System},
  author={Jianxing Liu and Wensheng Luo and Xiaozhan Yang and Ligang Wu},
  journal={IEEE Transactions on Industrial Electronics},
In this paper, the design of a nonlinear observer-based fault diagnosis approach for polymer electrolyte membrane (PEM) fuel cell air-feed systems is presented, taking into account a fault scenario of sudden air leak in the air supply manifold. Based on a simplified nonlinear model proposed in the literature, a modified super-twisting (ST) sliding mode algorithm is employed to the observer design. The proposed ST observer can estimate not only the system states, but also the fault signal. Then… CONTINUE READING


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