Abstract

The oxygen excess ratio (OER) is closely coupled with the entire efficiency of proton exchange membrane fuel cell (PEMFC). However, it is challenging to apply OER regulations owing to unpredictability and frequent load fluctuations. This article employs a feedforward model predictive control to track the optimal OER and reduce the detrimental effect of external current. According to the simulation outcomes, the proposed control performs superior in terms of integral absolute error, disturbance rejection, and tracking trajectory in OER tracking with variable external current than the conventional model predictive control.

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