| 基于模型的发动机空燃比控制策略研究与仿真 |
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| 引用本文： | 陈林林,魏民祥,杨海青.基于模型的发动机空燃比控制策略研究与仿真[J].小型内燃机与摩托车,2011,40(3):47-51,62. |
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| 作者姓名： | 陈林林 魏民祥 杨海青 |
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| 作者单位： | 1. 聊城大学汽车与交通工程学院,山东,聊城,252059
2. 南京航空航天大学能源与动力学院 |
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| 摘 要： | 空燃比的精确控制是现代车用汽油机控制最为关键的技术。发动机平均值模型由于其模型简单、计算时间短、使用方便,且能满足控制设计的要求而被广泛应用。基于模型的空燃比控制技术是当前国内外研究的热点。在建立某型汽油发动机空燃比平均值数学模型的基础上设计了稳态工况下模糊自适应PID控制器,并与传统的PID控制器空燃比控制效果进行了对比。设计了瞬态工况下燃油前馈补偿控制器并进行仿真。仿真结果表明在稳态工况下模糊自适应PID控制策略不仅能够满足实际控制需要,而且比传统的PID控制策略控制效果更好。前馈补偿控制策略能满足瞬态工况下空燃比的控制要求。
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| 关 键 词： | 发动机 空燃比 平均值模型 模糊自适应 PID 前馈控制器 |
Model-based Research and Simulation of Engine Air/Fuel Ratio Control Strategies |
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| Chen Linlin,Wei MinXiang,Yang Haiqing.Model-based Research and Simulation of Engine Air/Fuel Ratio Control Strategies[J].Small Internal Combustion Engine and Motorcycle,2011,40(3):47-51,62. |
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| Authors: | Chen Linlin Wei MinXiang Yang Haiqing |
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| Affiliation: | Chen Linlin1,Wei MinXiang2,Yang Haiqing2 1-School of Automobile and Transportation Engineering,Liaocheng University (Liaocheng,Shandong,252059,China) 2-College of Energy and Power Engineering,Nanjing University of Aeronautics and Astronautics |
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| Abstract: | Accurate air/fuel ratio control technique is the key control technology for modern automotive gasoline engine.Because of its simple model,short calculation time,easy usage,and being able to meet the control requirement,mean value model for engines has a wide range of application.Air/fuel ratio control technique based on model is research hotspot at home and abroad currently.A stable operating condition fuzzy adaptive PID Controller and a transient condition fuel feed-forward compensation controller were des... |
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| Keywords: | Engine Air/fuel ratio Mean value model Fuzzy adaptive PID controller Feed-forward compensation controller |
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