| 基于Freescale单片机的新型自适应电控天然气喷嘴驱动设计 |
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| 引用本文： | 汪科任,孙仁云,吴聿东,陈德刚.基于Freescale单片机的新型自适应电控天然气喷嘴驱动设计[J].湖北汽车工业学院学报,2014(1):5-9. |
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| 作者姓名： | 汪科任 孙仁云 吴聿东 陈德刚 |
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| 作者单位： | ;1.西华大学交通与汽车工程学院 |
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| 摘 要： | 设计出一种采用输出脉宽调制(PWM)信号来控制电控天然气喷嘴喷射的自适应式新型驱动电路,实现了高压打通低压保持喷射,解决了传统驱动方式喷嘴发热过大的问题,提高了喷射的稳定性和喷嘴的使用寿命。结合仿真软件AMESim进行了仿真实验。将计算流量和实验流量进行对比,验证了自适应式驱动方式的正确性。
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| 关 键 词： | 电控天然气发动机 脉宽调制 新型驱动电路 高压打通低压保持 |
Design of Adaptive Drive Ciruit for Electronically Controlled Natural Gas Nozzle Based on Freescale Microcontroller |
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| Abstract: | A new adaptive drive circuit was designed to control the natural gas nozzle by using the output pulse width modulation(PWM) signal. The high pressure conduction low conservation was realized, the problem was solved that the hot nozzle was too large by the traditional driving way, the stability and the service life of the nozzle were enhanced. The simulation experiment was carried out based on AMESim software. The calculated flow rate was compared with the experimental flow rate, and the validity of the adaptive driving way was verified. |
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| Keywords: | electronically controlled natural gas engine pulse width modulation new type of drive circuit high pressure conduction low conservation |
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