Control of N-parallel connected boost converters feeding a constant power load: An automotive case study

This paper concern is in the control of an arbitrary number of voltage sources feeding a constant power load, namely electric machines, through boost converters connected in parallel. The proposed control scheme achieves global asymptotic convergence of the currents within the paralleled branches and the voltage at the input ports of the load towards their respective reference trajectories. Through an automotive case study, we assess the relevancy of this controller. We consider a full electric shuttle dedicated to inner-city trips, and featuring an hybrid energy storage system, composed of battery and ultra-capacitor cells. Some simulation results illustrate this method.