混合动力汽车(HEV)控制系统一直是电动车的核心控制部分。论文介绍了其控制系统具有多任务、实时性的特点,开发了一套基于FreescaleMC9S12DP256 控制器与CAN 总线设计的混合动力汽车管理系统,提出了在软件开发中引入嵌入式实时操作系统μC/OS—II,并重点详述了μC/OS—II 在该系统中的移植与应用。经过理论和实验证明,该控制系统实时性强、可靠性高。关键词:混合动力;μC/OS—II;实时操作系统;控制策略;Abstract: The vehicle control system is one of key parts in hybrid electronic vehicle . This paper introduces the features of control system that has multitask and real time . This system based on Freescale MC9S12DP256 MCU and CAN bus is developed.The application of μC/OS—II to its embedded software design is put forward.And the transplant and application of μ C / OS — II are particularly described in detail . The theory and experiment shows this control strategy to be a system of better real time and higher reliabilityKeyword: hybrid electric vehicle;μC/OS—II; real time operating system; control system
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