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Internet Things"],"published-print":{"date-parts":[[2021,2,28]]},"abstract":"<jats:p>As Electric Vehicles (EVs) become increasingly popular, their battery-related problems (e.g., short driving range and heavy battery weight) must be resolved as soon as possible. Velocity optimization of EVs to minimize energy consumption in driving is an effective alternative to handle these problems. However, previous velocity optimization methods assume that vehicles will pass through traffic lights immediately at green traffic signals. Actually, a vehicle may still experience a delay to pass a green traffic light due to a vehicle waiting queue in front of the traffic light. Also, as velocity optimization is for individual vehicles, previous methods cannot avoid rear-end collisions. That is, a vehicle following its optimal velocity profile may experience rear-end collisions with its frontal vehicle on the road. In this article, for the first time, we propose a velocity optimization system that enables EVs to immediately pass green traffic lights without delay and to avoid rear-end collisions to ensure driving safety when EVs follow optimal velocity profiles on the road. We collected real driving data on road sections of US-25 highway (with two driving lanes in each direction and relatively low traffic volume) to conduct extensive trace-driven simulation studies. Results show that our velocity optimization system reduces energy consumption by up to 17.5% compared with real driving patterns without increasing trip time. Also, it helps EVs to avoid possible collisions compared with existing collision avoidance methods.<\/jats:p>","DOI":"10.1145\/3433678","type":"journal-article","created":{"date-parts":[[2021,2,1]],"date-time":"2021-02-01T18:00:04Z","timestamp":1612202404000},"page":"1-24","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":5,"title":["Velocity Optimization of Pure Electric Vehicles with Traffic Dynamics and Driving Safety Considerations"],"prefix":"10.1145","volume":"2","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6003-6465","authenticated-orcid":false,"given":"Liuwang","family":"Kang","sequence":"first","affiliation":[{"name":"University of Virginia, Charlottesville, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ankur","family":"Sarker","sequence":"additional","affiliation":[{"name":"University of Virginia, Charlottesville, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haiying","family":"Shen","sequence":"additional","affiliation":[{"name":"University of Virginia, Charlottesville, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2021,2]]},"reference":[{"volume-title":"Proceedings of the Conference of the European Enhanced Vehicle-safety Committee (EEVC\u201911)","year":"2011","author":"Roy Juan Van","key":"e_1_2_1_1_1"},{"key":"e_1_2_1_2_1","unstructured":"2016. 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