JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2011, Vol. 41 ›› Issue (6): 109-114.

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Wireless monitoring platform development for electric vehicles based on GPRS and CAN bus

LIU Yang1, CHENG Yong1*, JI Shao-bo1, HUANG Wan-you1, LI Chuang2, ZHANG Xiao-wen2   

  1. 1. School of Energy ＆ Power Engineering, Shandong University, Jinan 250061, China;
    2. Jinan Electric Vehicle Operations Ltd., Jinan 250014, China
  • Received:2011-05-07 Online:2011-12-16 Published:2011-05-07

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Abstract:

A wireless monitoring platform based on GPRS and CAN bus was developed to evaluate electric vehicles real-time operating performance and the matching of vehicle’s key components under  real road conditions. The vehicle motor’s and battery set’s working parameters as well as their fault messages were collected by the platform’s monitoring terminal with CAN bus, RS485, analog or digital interface and sent to the monitoring center by GPRS, and the monitoring center could monitor real-time data by transmission protocol analysis. To meet the requirements of the wireless monitoring platform, the terminal system was designed using  MC9S12XET256, and the system’s transmission protocol was constituted with data frames. Laboratory experiment and road test results showed that the transfer accuracy could meet the demands of vehicle parameters’ real-time monitoring at 5kb／s communication speed.

Key words: CAN bus, electric vehicle, wireless monitoring

CLC Number: 

  • U469.72
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