Research and development of electric vehicle data collection and calibration platform based on GPRS and INTERNET

The limitation of most traditional methods of electric vehicle driving data collection is that they depend on techniques which are restricted under finite distance. This paper presents a new data collection and calibration platform based on general packer radio service (GPRS) and INTERNET to collect the driving data of electric vehicles remotely. The platform adopts an in-vehicle device to acquire driving data of electric vehicle through CAN or LIN bus and communicate wirelessly with central server by GPRS network and INTERNET. With the help of wide coverage of GPRS network, there is no limitation of distance and area to transmit the electric vehicle driving data. The in-vehicle device is used to collect driving data, energy consumption data and fault data transmitted from controllers by CAN bus then this information is received by central server and recorded in electric vehicle driving database. The analysis of driving database provides a rich resource of information on driving pattern, driving cycle, control strategy, fault and reliability. The study shows that the platform is effective and reliable. In the sample application, it takes an important role in evaluating the performance of electric vehicle.