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《Journal of Central South University(Science and Technology)》 2008-03
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Nonlinear intelligent correction of pressure transducer from air intake pipe in gasoline engine

JIANG Shou-sheng1,2,E Jia-qiang1,GONG Jin-ke1,YUAN Wen-hua1,2(1.College of Mechanical and Automotive Engineering,Hunan University,Changsha 410082,China;2.Department of Mechanical and Energy Engineering,Shaoyang College,Shaoyang 422000,China)  
In order to eliminate disturb effects caused by temperature parameter and fluctuant electric current on pressure transducer from air intake pipe in the gasoline engine in operation,nonlinear intelligent correction of pressure transducer from disturb effects caused by temperature parameter and fluctuant electric current was made based on neural network information fusion technology.The results show that some effects from non-goal parameter for pressure transducer can be eliminated availably by using nonlinear intelligent correction,and the output stability after being nonlinear corrected is twenty times as the output stability before being nonlinear corrected and the measurement precision is enhanced by 2.0% at least.
【Fund】: “985工程”二期资助项目(教重函[2004]1号)
【CateGory Index】: TK413
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