| 电控柴油机曲轴与凸轮轴同步脉冲信号模拟 |
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| 引用本文： | 田 飞,王贵勇,赵应兵,申立中. 电控柴油机曲轴与凸轮轴同步脉冲信号模拟[J]. 太赫兹科学与电子信息学报, 2012, 10(5): 643-647 |
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| 作者姓名： | 田 飞 王贵勇 赵应兵 申立中 |
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| 作者单位： | 昆明理工大学云南省内燃机重点实验室 |
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| 基金项目： | 云南省自然科学基金资助项目(2010CD036);云南省教育厅基金资助项目(2010Y386) |
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| 摘 要： | 高压共轨柴油机是满足未来汽车排放法规的核心技术,曲轴信号和凸轮轴信号是高压共轨柴油机电子控制单元实时工作的关键,因此研究2个信号的同步具有重要意义。研究了柴油机的曲轴信号和凸轮信号之间的关系,并用32位单片机TC1796的通用定时器阵列(GPTA)模块中的局部定时单元(LTC)产生同步信号,保证了2路脉冲的同步误差为几个指令周期,降低了高压共轨柴油机电子控制单元的研发成本。
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| 关 键 词： | 信号同步 单片机TC1796 通用定时器阵列 曲轴 凸轮轴 |
| 收稿时间： | 2011-12-28 |
| 修稿时间： | 2012-02-20 |
Simulation of the crankshaft and the camshaft sync pulse signals of electronic controlled diesel |
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| TIAN Fei,WANG Gui-yong,ZHAO Ying-bing and SHEN Li-zhong. Simulation of the crankshaft and the camshaft sync pulse signals of electronic controlled diesel[J]. Journal of Terahertz Science and Electronic Information Technology, 2012, 10(5): 643-647 |
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| Authors: | TIAN Fei WANG Gui-yong ZHAO Ying-bing SHEN Li-zhong |
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| Affiliation: | (Provincial Key Lab of Internal Combustion Engine,Kunming University of Science and Technology,KunmingYunnan 650500,China) |
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| Abstract: | High-pressure common rail diesel engine is essential to meet vehicle emission regulations in future. The crankshaft signal and the camshaft signal are the keys to ensure that the electronic control units of the high-pressure common-rail diesel engine work in real-time. The relationship between the crankshaft signal and the camshaft signal is studied, and sync signals are generated by using the Local Timer Cell(LTC) of the General Purpose Timer Array(GPTA) module in 32-bit single-chip microcontroller TC1796 to ensure two-way synchronization error of a few instruction cycles only and the cost reduction for development. |
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