A vehicle control unit (VCU) of electric car integrated with GPRS/GPS and CAN bus was proposed for vehicle driving status monitoring and performance evaluation. The vehicle powertrain information, including parameters of electric motor and battery package as well as their fault messages, and driver operations were collected by VCU and sent to the monitoring center by GPRS. To ensure the wireless transmission reliable and flexible, VCU hardware was designed using MC9S12XET256 and GPRS/GPS module, and the wireless transmission protocol was developed with data message. Laboratory experiment and road test results verified that the GPRS transfer accuracy could reach close to 100% at 5 kb/s. The driving performance of testing vehicle was analyzed, which showed that VCU could follow the drivers operation and the driving range exceeded 120km and energy consumption reduced by 12.7% owing to regenerative braking.


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    Title :

    Vehicle Control Unit Integrated with GPRS/GPS Development for Electric Vehicle



    Published in:

    Advanced Materials Research ; 694-697 ; 2680-2684


    Publication date :

    2013-05-14


    Size :

    5 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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