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Mathematical Problems in Engineering
Volume 2013 (2013), Article ID 758961, 13 pages
http://dx.doi.org/10.1155/2013/758961
Research Article

Experimental Study on Communication Delay of Powertrain System of Plug-In Hybrid Electric Vehicles

1School of Automotive Engineering, Harbin Institute of Technology, Weihai 264209, China
2China Automotive Technology & Research Center, Tianjin 300300, China

Received 9 September 2013; Revised 16 October 2013; Accepted 16 October 2013

Academic Editor: Hui Zhang

Copyright © 2013 Dafang Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

In order to contrast and analyze the real-time performance of the powertrain system of a plug-in hybrid electric vehicle, a mathematical model of the system delay is established under the circumstances that the transmission adopts the CAN (controller area network) protocol and the TTCAN (time-triggered CAN) protocol, respectively, and the interior of the controller adopts the foreground-background mode and the OSEK mode respectively. In addition, an experimental platform is developed to test communication delays of messages under 4 different implementation models. The 4 models are testing under the CAN protocol while the controller interior adopts the foreground-background mode; testing under the CAN protocol while the controller interior adopts the OSEK mode; testing under the TTCAN protocol while the controller interior adopts the foreground-background mode, and testing under the TTCAN protocol while the controller interior adopts the OSEK mode. The theoretical and testing results indicate that the communication delay of the OSEK mode is a little longer than the one of the foreground-background mode. Moreover, compared with the CAN protocol, the periodic message has a better real-time performance under the TTCAN protocol, while the nonperiodic message has a worse one.