A model-based supervisory energy management strategy for a 12 V vehicle electrical system

被引：13
|
作者：
Waldman, Colin [1 ]
Gurusubramanian, Sabarish [1 ]
Fiorentini, Lisa [1 ]
Canova, Marcell [1 ]
机构：
[1] Ohio State Univ, Ctr Automot Res, Columbus, OH 43212 USA
来源：
CONTROL ENGINEERING PRACTICE | 2015年 / 44卷
关键词：
Automotive; Energy management; Electrical system; Model-based control; Optimal control; CONSUMPTION; SIMULATION;
D O I：
10.1016/j.conengprac.2015.05.011
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper describes the development, implementation, and experimental verification of a supervisory energy management strategy for the vehicle electrical system of a passenger car. The control strategy commands the alternator duty cycle such that vehicle fuel economy is optimized whilst the instantaneous load current demand is met and constraints on the system voltage and battery state of charge are satisfied. The work is based on a control-oriented model of the vehicle electrical system, experimentally validated against vehicle data. Then, a constrained global optimal control problem is formulated for the energy management of the electrical system, and analytically solved using the Pontryagin's Minimum Principle (PMP). The optimal solution obtained is evaluated for a range of different driving cycles and electrical load current profiles, leading to the formulation of an adaptive supervisory control strategy that is implemented and tested in vehicle. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：20 / 30
页数：11
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