| 汽油机可变气门正时系统标定及可靠性验证 |
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| 引用本文： | 胡福建,张微奇,钱海青.汽油机可变气门正时系统标定及可靠性验证[J].客车技术,2014(3):12-17. |
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| 作者姓名： | 胡福建 张微奇 钱海青 |
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| 作者单位： | 安徽江淮汽车股份有限公司 |
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| 摘 要： | 以HFC4GA3．3D型汽油机为研究对象，介绍了可变气门正时（VVT）系统的组成、工作及控制原理，对目标机VVT系统标定前后的外特性试验数据进行对比，结果表明：标定后的发动机动力性和经济性都有明显改善；进行VVT系统的可靠性试验，试验结果表明：VVT系统的调节速度、控制稳定性及解锁性能均满足要求。
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| 关 键 词： | 汽油机 可变气门正时 标定 可靠性 |
Calibration of gasoline engine variable valve timing system and reliability verification |
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| Abstract: | Take HFC4GA3.3D model gasoline engine as research object,introduce the composition,operation and control principle of variable valve timing system,compare before and alter external characteristic experiment data for the calibrated target engine VVT system,the consequence shows：there is obvious improvement of dynamic and economic, for calibrated engine,do reliability test for VVT system,the experiment result shows：the adjustment speed,control stability and unlock performance of VVT system meet the requirement. |
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| Keywords: | gasoline engine variable valve timing system calibration reliability |
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