Simulation and Control of PEMFCS Thermal Behavior

This chapter is dedicated to the thermal behavior of PEM fuel cells (PEMFC). The goal is twofold. First, we develop an alternative modeling approach; to partial differential equations, for analysis and simulation of the thermal behavior of PEMFC. The obtained linear model is, in order to improve the accuracy, of large size. Thus, in this approach the simulations are based on parallel computations. The parallel algorithm is implemented using three different systems that are UPC, MPI and PVM. Then, we analyze the performances of each system by considering the computation times and the speedup of each implementation. Second, we propose a strategy to control the thermal behavior. More precisely, we establish a bilinear state model, which describes the behavior of the thermal aspect. Afterwards, we prove that the proposed nonlinear system can be made locally asymptotically stable around a desired temperature value. The control law is obtained by feedback stabilization approach. To illustrate the proposed methodologies, simulation results are given.