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This document presents the design of a hierarchical control to regulate the oxygen excess ratio of a fuel cell. The master controller calculates the necessary air flow to stabilize the oxygen excess ratio at a fixed set point. A nonlinear model based predictive controller (NMPC) using a Volterra series model is used as a master controller. The slave controller, a nonlinear PI, uses the reference of...
This paper presents a constrained model predictive control strategy that can be used to control nonlinear processes described by Volterra models. The controller exploits the special structure of the model to achieve an online feasible solution to the general optimization problem. Efficient solutions can be found, especially for second order Volterra models, that can solve the nonlinear problem by...
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