PAN Hui1, WANG Yi2
(1. College of Electronics and Information, Guizhou University, Guiyang 550025, China; 2. College of Physics and Electronics Science, Guizhou Normal University, Guiyang 550001, China)
Abstract： FlexRay bus has become the standard of similar products and it will lead the direction of the development of automotive electronics control system for a long time. This paper proposes a design of automobile engine control system based on FlexRay bus. In order to improve the network rate, reliability and flexibility, it adopts high-performance MC9S12XF512 microcontroller of Freescale and FlexRay bus driver TJA1080 of NXP company, and it gives the overall circuit design and software design process of automobile engine control system. The design has the characteristics of simple hardware circuit, high reliability and good real-time performance. It offers a certain reference value for the development of FlexRay bus node of engine control system.
Key words： FlexRay; automobile engine; MC9S12XF512; TJA1080
CLD number： U464; TP273 Document code： A
Article ID： 1674-8042(2014)03-0064-05 doi： 10.3969/j.issn.1674-8042.2014.03.012
References
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基于FlexRay总线的发动机控制系统设计
潘辉1, 王义2
（1. 贵州大学 电子信息学院， 贵州 贵阳 550025； 2. 贵州师范大学 物理与电子科学学院， 贵州 贵阳 550001）
摘要:FlexRay总线已经成为同类车载网络总线的标准并将在未来很长时间引领整个汽车电子控制系统的走向。 本文分析了汽车发动机控制系统的构成， 提出了一种基于FlexRay总线的控制设计。 为了提高该控制系统的通信速率、 可靠性和灵活性， 文中采用飞思卡尔公司的高性能单片机MC9S12XF512和恩智浦公司的FlexRay总线收发器TJA1080， 并完成了电路整体设计方案及软件设计流程。 本文设计的发动机控制系统具有硬件电路设计简单， 可靠性高和实时性强的特点， 对汽车FlexRay总线的发动机控制系统节点开发具有一定的参考价值。
关键词:FlexRay； 汽车发动机； MC9S12XF512； TJA1080
引用格式：PAN Hui, WANG Yi. Design of automobile engine control system based on FlexRay bus. Journal of Measurement Science and Instrumentation, 2014, 5(3): 64-68. [doi: 10.3969/j.issn.1674-8042.2014.03.012]
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