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Development of a Controller Area Network Interface Unit and Its Application to a Fuel Cell Hybrid Electric Vehicle

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6 Author(s)
Bong-Ju Ahn ; Dept. of Electron. Eng., Kookmin Univ., Seoul ; Byung-Ryuel Park ; Young-Hoon Ki ; Gu-Min Jeong
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In this paper, a CAN-based network interface unit is presented and it is applied to an experimental set-up for studying the timing analysis for the power train control of a fuel cell hybrid electric vehicle. Next generation vehicles like fuel cell electric vehicles usually require a lot of communication data between subsystems or ECUs to improve the fuel economy and the advanced safety. Unexpected transmission delay on a data bus may be a cause for an unstable operation of a vehicle which may also yield a serious result and thus, a simple method for varying controller sampling period is proposed based on holistic scheduling method. It is illustrated by applying the presented interface unit to the simple experimental set-up of a fuel cell hybrid electric vehicle that the transmission delay problem of a lower priority data, which results from the activation of a higher priority task, can be resolved

Published in:

SICE-ICASE, 2006. International Joint Conference

Date of Conference:

18-21 Oct. 2006