| 发动机MAP传感器动态特性相关问题的探讨 |
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| 引用本文： | 陈利明,方会咏,杨君.发动机MAP传感器动态特性相关问题的探讨[J].汽车科技,2007,269(4):24-28. |
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| 作者姓名： | 陈利明 方会咏 杨君 |
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| 作者单位： | 安徽江淮汽车股份有限公司,合肥,230022 |
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| 摘 要： | 在对发动机进气歧管中动态波分析的基础上,结合发动机进气歧管压力传感器的动态特性,针对发动机瞬态过程中的空燃比控制问题，提出了MAP动态补偿及基于时间采样的解决对策。
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| 关 键 词： | 进气歧管 绝对压力传感器 动态特性 动态补偿 采样 |
| 文章编号： | 1005-2550（2007）04-0024-05 |
| 收稿时间： | 2006-10-15 |
| 修稿时间： | 2006-10-15 |
Discussion on the Problems Related to MAP Sensor Dynamic Characteristics in Engine |
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| CHEN Li-ming,FANG Hui-yong,YANG Jun.Discussion on the Problems Related to MAP Sensor Dynamic Characteristics in Engine[J].Automobile Science and Technology,2007,269(4):24-28. |
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| Authors: | CHEN Li-ming FANG Hui-yong YANG Jun |
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| Institution: | Anhui Jianghuai Automobile Co., Ltd., Hefei 230022, China |
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| Abstract: | This paper analyzes the dynamic pressure wave in IC engine manifold,and introduces MAP dynamics in both time and frequency domain. The method of dynamic compensation for MAP and time-based sampling are proposed to achieve accurate control for air fuel ratio in engine with speed-density system. |
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| Keywords: | intake manifold absolute pressure sensor dynamic characteristics dynamic compensation sampling |
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