Estimation and feedback control of air-fuel ratio for gasoline engines-中国Betway体育网页登陆

摘要 In4-strokeinternalcombustionengines,air-fuelratiocontrolisachallengingtaskduetotherapidchangesofenginethrottle,especiallyduringtransientoperation.Toimprovethetransientperformance,managingthecycle-to-cycletransientbehaviorofthemassoftheair,thefuelandtheburntgasisakeyissueduetotheimbalanceofcycliccombustionprocess.Thispaperaddressthemodel-basedestimationandcontrolproblemforcyclicair-fuelratioofspark-ignitionengines.Adiscrete-timemodelofair-fuelratioisproposed,whichrepresentsthecycle-to-cycletransientbehaviorofin-cylinderstatevariablesundertheassumptionsofcyclicmeasurabilityofthetotalin-cylinderchargemass,combustionefficiencyandtheresidualgasfraction.Withthemodel,aKalmanfilter-basedair-fuelratioestimationalgorithmisproposedthatenableustoperformafeedbackcontrolofair-fuelratiowithoutusinglambdasensor.Finally,experimentalvalidationresultisdemonstratedtoshowtheeffectivenessofproposedestimationandcontrolschemethatisconductedonafull-scaledgasolineenginetestbench.

1Chanyut KHAJORNTRAIDET;Kazuhisa ITO.Simple adaptive air-fuel ratio control of a port injection SI engine with a cylinder pressure sensor.控制理论与控制工程,2015-02.
2刘宜.THE FEEDBACK DELAY IN DIGITAL CONTROL.基础数学,1993-02.
3.SYNTHESIS AND ANALYSIS OF A FEEDBACK CONTROL SYSTEM.系统科学,1993-04.
4郭迅;黄玉龍;袁一凡.Estimation of damping ratio of soil sites using microtremor.地震学,2002-01.
5Houman DALLALI;Gustavo A. MEDRANO-CERDA;Michele FOCCHI;Thiago BOAVENTURA;Marco FRIGERIO;Claudio SEMINI;Jonas BUCHLI;Darwin G. CALDWELL.On the use of positive feedback for improved torque control.控制理论与控制工程,2015-03.
6Liu Yuewei Li Hongnan.Apparent velocity estimation with P-SV ratio method.地震学,2011-03.
7Tomonori Kato;Tatsuki Otsubo;Kohei Shimazaki;Shotaro Matsuguchi;Yusuke Okamoto;Takanori Yazawa.Tool wear estimation method in milling process using air turbine spindle rotation-control system equipped with disturbance force observer.力学,2018-03.
8Tomonori Kato;Tatsuki Otsubo;Kohei Shimazaki;Shotaro Matsuguchi;Yusuke Okamoto;Takanori Yazawa.Tool wear estimation method in milling process using air turbine spindle rotation-control system equipped with disturbance force observer.力学,2018-04.
9Yumiko OTOBE;Hideo KASHIMURA;Toshiaki SETOGUCHI.Shock Wave in Supersonic Moist Air Jet for a Low Pressure Ratio.物理,2011-04.
10Oleg N. Agamalov.Structure and Extrapolation of a Complex Error Function of a Feedback Control System.计算机应用技术,2012-06.

Estimation and feedback control of air-fuel ratio for gasoline engines

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