| 汽油/CNG两用燃料汽车燃料切换仿真研究 |
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| 引用本文： | 侯献军,王凯楠,余其旺,闫少杰,徐楠楠.汽油/CNG两用燃料汽车燃料切换仿真研究[J].武汉理工大学学报(信息与管理工程版),2011(1):55-57,61. |
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| 作者姓名： | 侯献军 王凯楠 余其旺 闫少杰 徐楠楠 |
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| 作者单位： | 武汉理工大学汽车工程学院; |
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| 摘 要： | 通过对汽油/CNG两用燃料发动机燃料供给系统控制策略进行设计,提出并建立了汽车后备功率与节气门开度的关系。以节气门位置信号作为控制信号,从后备功率的角度,选择适合的燃料切换点,在保证汽车行驶平稳的情况下,提高汽车在高负荷工况下的动力性。采用GT-power软件对汽油/CNG两用燃料汽车的燃料切换进行建模与仿真。仿真结果表明,随着节气门开度的增大,汽车后备功率减小,选择适合的工况点切换燃料,可使汽车后备功率显著增大,并保证汽车行驶平稳,为燃料切换的进一步研究提供了理论依据。
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| 关 键 词： | 两用燃料发动机 GT-power 模拟仿真 后备功率 燃料切换 |
Simulation on Fuel Switching of Gasoline/CNG Bi-fuel Automobile |
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| HOU Xianjun,WANG Kainan,YU Qiwang,YAN Shaojie,XU Nannan:Prof.,School of Automotive Engineering,WUT,Wuhan ,China..Simulation on Fuel Switching of Gasoline/CNG Bi-fuel Automobile[J].Journal of Wuhan University of Technology(Information & Management Engineering),2011(1):55-57,61. |
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| Authors: | HOU Xianjun WANG Kainan YU Qiwang YAN Shaojie XU Nannan:Prof School of Automotive Engineering WUT Wuhan China |
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| Affiliation: | HOU Xianjun,WANG Kainan,YU Qiwang,YAN Shaojie,XU Nannan:Prof.,School of Automotive Engineering,WUT,Wuhan 430070,China. |
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| Abstract: | The controlling strategy of fuel supply switching in gasoline/CNG Bi-fuel engine was designed,and relation between reserve supply of power and open degree of air damper was proposed.While position signal of air damper was taken as control signal,a rational fuel switching point was selected according to reserve supply of power.Power performance of the vehicle was improved without speed fluctuation when the engine was in high load.A GT-power model was established to simulate fuel supply switching in Bi-fuel e... |
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| Keywords: | Bi-fuel engine GT-power simulation reserve supply of power fuel switching |
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