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《Transducer and Microsystem Technologies》 2008-07
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Intelligent measurement model of air flow from intake manifold in gasoline engine of automobile

YANG Qian-qing1,2,E Jia-qiang1,CHEN Yin-mei1,2,JIANG Yu-xiu1,2(1.College of Mechanical and Automotive Engineering,Hunan University,Changsha 410082,China;2.Department of Mechanical and Electrical Engineering,Liuzhou Vocational &Technical College,Liuzhou 545006,China)  
In order to guarantee gasoline engine in the automobile to obtain the best density the mixture air request under the revolution case,damper primary device is used,an intelligent measurement model of air flow from intake manifold in the gasoline engine of automobile is established by using air admission branch pipe,fitting rotation degrees by function chain neural network and fitting damper efflux coefficient based on the principle of differential pressure type throttle flow measurement.The experiment results show that the errors of intelligent measurement model will reduce with pressure ascension of air intake manifold and its error is smaller than 5.0 %.
【Fund】: 广西教育厅科研计划资助项目(200708LX262)
【CateGory Index】: TK413
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【Citations】
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