Sensitivity of Energy-Efficient Driving to Motor Efficiency for EVs

被引：0
|
作者：
Abbas, Hadi [1 ]
Kim, Youngki [1 ]
Siegel, Jason B. [2 ]
Rizzo, Denise M. [3 ]
机构：
[1] Univ Michigan, Dept Mech Engn, Dearborn, MI 48128 USA
[2] Univ Michigan, Dept Mech Engn, Ann Arbor, MI 48109 USA
[3] US Army, CCDC GVSC, Warren, MI 48397 USA
来源：
2019 3RD IEEE CONFERENCE ON CONTROL TECHNOLOGY AND APPLICATIONS (IEEE CCTA 2019) | 2019年
关键词：
VEHICLES;
D O I：
10.1109/ccta.2019.8920470
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 is an extension of our previous study on optimizing energy-efficient speed profiles of electric vehicles. This paper investigates the influence of motor efficiency on performance, including the energy consumption and control modes through parametric studies, for a light weight military ground vehicle. A comprehensive comparison is conducted between the global optimal solutions obtained from DP with nonlinear motor efficiency, and the suboptimal solutions derived from various constant efficiencies. The global optimal solutions lead to about 2-3% lower energy consumption than the suboptimal solutions for the considered driving scenarios. It is observed that the energy consumption and control modes of the suboptimal solutions are hardly affected by the motor efficiency. For a flat road, the control modes of the global optimal solutions, characterized as Pulse and Glide, are considerably different from those of the suboptimal solutions. However, no significant difference is observed in control modes for a hilly terrain.
引用
收藏
页码：698 / 703
页数：6
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