• A battery electric bus energy consumption model for strategic purposes: Validation of a proposed model structure with data from bus fleets in China and Norway 

      Hjelkrem, Odd Andre; Lervåg, Karl Yngve; Babri, Sahar; Lu, Chaoru; Södersten, Carl-Johan Hugo (Transportation Research Part D: Transport and Environment;volume 94, Peer reviewed; Journal article, 2021-04-17)
      In this paper, an energy model for battery electric buses (Ebus) is proposed. The model is developed based on established models for longitudinal dynamics, using event-based low-frequency data. Since the energy model is ...
    • Ensemble machine learning based driving range estimation for real‐world electric city buses by considering battery degradation levels 

      Wang, Yongxing; Lu, Chaoru; Bi, Jun; Sai, Qiuyue; Zhang, Yongzhi (IET Intelligent Transport Systems;Volume 15, Issue 6, Peer reviewed; Journal article, 2021-04-20)
      Battery electric buses (BEBs) have been regarded as effective options to address the congestion and pollution problems in the field of urban transportation. However, since the limited driving range of BEBs brings challenges ...
    • Exploration of the characteristics and trends of electric vehicle crashes: a case study in Norway 

      Liu, Chenhui; Zhao, Li; Lu, Chaoru (European Transport Research Review;14, Article number: 6 (2022), Peer reviewed; Journal article, 2022-03-14)
      With the rapid growth of electric vehicles (EVs) in the past decade, many new traffic safety challenges are also emerging. With the crash data of Norway from 2011 to 2018, this study gives an overview of the status quo of ...
    • Geolocation estimation of target vehicles using image processing and geometric computation 

      Namazi, Elnaz; Mester, Rudolf; Lu, Chaoru; Li, Jingyue (Neurocomputing;Volume 499, 14 August 2022, Peer reviewed; Journal article, 2022-05-16)
      Estimating vehicles’ locations is one of the key components in intelligent traffic management systems (ITMSs) for increasing traffic scene awareness. Traditionally, stationary sensors have been employed in this regard. The ...
    • Improving Vehicle Localization with Two Low-Cost GPS Receivers 

      Namazi, Elnaz; Mester, Rudolf; Lu, Chaoru; Log, Markus Metallinos; Li, Jingyue (Lecture Notes in Networks and Systems;393, Chapter; Peer reviewed; Conference object; Journal article, 2021-01-01)
      A primary concern of Intelligent Traffic Management Systems (ITMSs) is to collect the required traffic data. Vehicle position is one of the most important data types to manage traffic effectively. In this regard, Global ...
    • Improving vehicle localization with two low-cost GPS receivers 

      Namazi, Elnaz; Mester, Rudolf; Lu, Chaoru; Log, Markus Metallinos; Li, Jingyue (Lecture Notes in Networks and Systems;Volume 393, Chapter; Peer reviewed; Conference object; Journal article, 2021)
      A primary concern of intelligent traffic management systems (ITMS) is to collect necessary traffic data. Vehicle position is one of the most important data types to manage traffic effectively. Most current approaches to ...
    • Optimal charging strategy for intercity travels of battery electric vehicles 

      Wang, Yongxing; Bi, Jun; Guan, Wei; Lu, Chaoru; Xie, Dongfan (Peer reviewed; Journal article, 2021)
      ABSTRACT Limited driving range, long charging time and high charging costs affect the use of battery electric vehicles (BEVs) for intercity travels and often compel drivers to charge their vehicles more than once. This ...
    • Reforming mixed operation schedule for electric buses and traditional fuel buses by an optimal framework 

      Duan, Mengyuan; Qi, Geqi; Guan, Wei; Lu, Chaoru; Xie, Dongfan (IET Intelligent Transport Systems;Volume 15, Issue 10, Peer reviewed; Journal article, 2021-07-03)
      Bus scheduling plays a significant role in public transportation and supports the sustainable development of transportation systems. Challenges are beginning to appear with the newly emerging electric buses (EBs), as ...
    • Understanding the Energy Consumption of Battery Electric Buses in Urban Public Transport Systems 

      Shefang, Wang; Lu, Chaoru; Chenhui, Liu; Yue, Zhou; Jun, Bi; Xiaomei, Zhao (Sustainability;volume 12, issue 23, Peer reviewed; Journal article, 2020-11-30)
      The ever-increasing concerns over urban air quality, noise pollution, and considerable savings in total cost of ownership encouraged more and more cities to introduce battery electric buses (e-bus). Based on the sensor ...