METHOD FOR COMPENSATING ACCELERATING AND DECELERATING AIR FUEL RATIOS IN TURBOCHARGER ENGINE VEHICLE

PURPOSE: A method for compensating accelerating and decelerating air fuel ratios in a turbocharger engine vehicle is provided to reduce exhaust gas while improving accelerating performance through compensating air fuel ratio. CONSTITUTION: A table data map is set by recognizing intake characteristic...

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Bibliographische Detailangaben
1. Verfasser:	LEE, JONG BU
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE: A method for compensating accelerating and decelerating air fuel ratios in a turbocharger engine vehicle is provided to reduce exhaust gas while improving accelerating performance through compensating air fuel ratio. CONSTITUTION: A table data map is set by recognizing intake characteristic of a turbocharger engine. Then, the value of an intake manifold absolute pressure sensor is inputted in traveling(20). An accelerating state and a decelerating state are decided by using the difference between the input value and a prior value(21). In case of accelerating or decelerating state, a turbocharger value at change in speed and a turbocharger value at an injection calculation point are read to calculate a turbocharger compensating value(22). Then, a compensating amount is calculated by using a turbocharger compensating value(23). Moreover, a fuel amount is calculated by using the compensating value(24).