Optimal Control of an Integrated Energy and Thermal Management System for Electrified Powertrains

被引:4
|
作者
Wei, Caiyang [1 ]
Hofman, Theo [1 ]
Caarls, Esin Ilhan [2 ]
van Iperen, Rokus [2 ]
机构
[1] Eindhoven Univ Technol, Dept Mech Engn, POB 513, NL-5600 MB Eindhoven, Netherlands
[2] Bosch Transmiss Technol, Postbus 500, NL-5000 AM Tilburg, Netherlands
来源
2019 AMERICAN CONTROL CONFERENCE (ACC) | 2019年
关键词
HEAT-PUMP SYSTEM;
D O I
10.23919/acc.2019.8815244
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 proposes an integrated energy and thermal management system (IETMS) to quantify the influence of a cold-start on the fuel-saving potential and the gain of utilizing waste heat recovery (WHR) technologies on the ultimate fuel saving of a plug-in hybrid electric vehicle with cabin heating. A cold-start indicates a low engine temperature, which increases the frictional power loss, resulting in excess fuel consumption. A dual source WHR (DSWHR) system harvests waste heat from exhaust gases and the recovered power is temporarily stored into the battery and can be retrieved when needed. Furthermore, it recuperates waste energy from a continuously variable transmission and an electric machine including power electronics to increase the heating performance of a heat pump, which reduces the load on the battery. For a known driving cycle, New European Driving Cycle, the IETMS aims to maximize the fuel efficiency. Numerical results demonstrate that a cold-start has a remarkable impact on the fuel-saving potential, 7.1%, yet a small influence on the optimization strategy. The DSWHR system shows a significant improvement on the ultimate fuel saving, up to 13.1%, from which insights into the design of WHR technologies can be drawn.
引用
收藏
页码:322 / 327
页数:6
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