Optimal control of parallel hybrid electric vehicles

Author

Fang, Licun ; Xu, Gang ; Li, Tianli ; Zhu, Kemin

Author_Institution

Coll. of Mechatron. & Control Eng., Shenzhen Univ., Shenzhen, China

fYear

2012

fDate

18-20 July 2012

Firstpage

423

Lastpage

427

Abstract

This paper focuses on the control strategy to be used to parallel hybrid electric vehicles (HEVs). A model-based strategy for the fuel-optimal control is presented. The torque split control problem of the vehicle is formulated as an optimal control of switched system. The optimal control problem of such switched system is formulated into two stage optimization problem. The dynamic programming is utilized to solve the optimal control action that minimizes the cost function. The simulated results indicate that this method is effective to improve the fuel economy.

Keywords

dynamic programming; fuel economy; hybrid electric vehicles; minimisation; optimal control; time-varying systems; torque control; control strategy; cost function minimization; dynamic programming; fuel economy; fuel-optimal control; model-based strategy; parallel HEV; parallel hybrid electric vehicle; switched system; torque split control problem; two stage optimization problem; Engines; Gears; Hybrid electric vehicles; Optimal control; Switches; Torque; Dynamic programming; Hybrid electric vehicles (HEVs); Optimal control;

fLanguage

English

Publisher

ieee

Conference_Titel

Industrial Electronics and Applications (ICIEA), 2012 7th IEEE Conference on

Conference_Location

Singapore

Print_ISBN

978-1-4577-2118-2

Type

conf

DOI

10.1109/ICIEA.2012.6360764

Filename

6360764