Internal combustion engine control device and control method

A target compression ratio (Epsilon(t + Tact)) after a prescribed time (Tact) from the current time is calculated from the intake volume taken into a cylinder (7) after the prescribed time (Tact) from the current time, and a control command (t) to an electric motor (31) that drives a variable compre...

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Bibliographische Detailangaben
Hauptverfasser:	IKARI TAISUKE, OHTSU SHO, KAMADA SHINOBU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES 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 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:	A target compression ratio (Epsilon(t + Tact)) after a prescribed time (Tact) from the current time is calculated from the intake volume taken into a cylinder (7) after the prescribed time (Tact) from the current time, and a control command (t) to an electric motor (31) that drives a variable compression ratio mechanism (9) is calculated so that the actual compression ratio (Epsilon r(t + Tact)) after the prescribed time (Tact) is the same as the target compression ratio (Epsilon (t + Tact)) after the prescribed time (Tact). Thus, the actual compression ratio accurately follows the target compression ratio.