Impact of road gradient on energy consumption of electric vehicles

Liu Kai; Yamamoto Toshiyuki; Morikawa Takayuki

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Impact of road gradient on energy consumption of electric vehicles

机译：Impact of road gradient on energy consumption of electric vehicles

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摘要

We investigate the impact of road gradient on the electricity consumption of electric vehicles (EVs) by combining long-term GPS tracking data with digital elevation map (DEM) data for roads in Aichi prefecture, Japan. Eight regression models are constructed and analysed to compare the differences between linear and logarithmic forms of trip energy consumption, differences between considering the road gradient or not, and differences between considering the fixed effects of EVs or not. By categorizing gradients and assigning a percentage of the trip distance to each category, a significantly better model of electricity consumption can be achieved. The results of this study are a novel contribution toward understanding the challenges and benefits associated with downgrade braking on energy regeneration. (C) 2017 Elsevier Ltd. All rights reserved.

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来源
《Transportation research, Part D. Transport and environment》 |2017年第7期|74-81|共8页
作者
Liu Kai; Yamamoto Toshiyuki; Morikawa Takayuki;
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作者单位

Nagoya Univ, Inst Innovat Future Soc, Nagoya, Aichi, Japan;

Dalian Univ Technol, Sch Transportat & Logist, Dalian, Peoples R China;

Nagoya Univ, Inst Mat & Syst Sustainabil, Nagoya, Aichi, Japan;

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原文格式 PDF
正文语种英语
中图分类交通运输;
关键词
Electric vehicle; Energy efficiency; Road gradient; Fixed effect model;

Impact of road gradient on energy consumption of electric vehicles

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