On-line energy management for HEV based on particle swarm optimization

¹ LAboratoire PLAsma et Conversion d'Énergie, LAPLACE UMR 5213 CNRS, INPT, UPS, 2 rue Camichel, 31071 Toulouse, France
² FEMTO-St, FCLAB, Université de Franche-Comté, UMR 6174, 90010 Belfort, France

^a email: stephane.caux@laplace.enseeiht.fr

Received: 13 June 2010
Revised: 6 September 2010
Accepted: 22 October 2010
Published online: 19 May 2011

Abstract

This study considers a Hybrid Electrical Vehicle supplied by a Fuel Cell stack and supercapacitors used as Storage Element. In such an application, real time energy management is of paramount importance in order to increase autonomy and be able to deal on-line with perturbed power demand. Many offline power flow optimization principles are available but online algorithms are preferred and should be derived for optimal management of the instantaneous power splitting between the different available power sources. Based on particle swarm optimization algorithm, this study defines the parameters tuning of such algorithm. The final power splitting allows not only recovering energy braking but also is robust to some disturbances occurring during the trip. The solution provides good-quality and high-robustness results in a certain class of mission profile and power disturbance.