CONTROLLER OF INTERNAL COMBUSTION ENGINE

To provide a controller of an internal combustion engine capable of surely preventing a turbine rotational frequency from exceeding a turbine limit rotational frequency.SOLUTION: When an actual ratio of before and after pressure of a compressor exceeds a pressure ratio obtained by subtracting a pred...

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Bibliographische Detailangaben
Hauptverfasser:	ONO TAKAHIKO, KUBOTA YUJI, MARUO TOSHIAKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	To provide a controller of an internal combustion engine capable of surely preventing a turbine rotational frequency from exceeding a turbine limit rotational frequency.SOLUTION: When an actual ratio of before and after pressure of a compressor exceeds a pressure ratio obtained by subtracting a predetermined pressure ratio from a ratio of before and after pressure of the compressor in turbine limit, a feedback correction amount integration term is restricted by an integration term restriction amount, which is used when the actual ratio of before and after pressure of the compressor approaches the ratio of before and after pressure of the compressor in turbine limit.SELECTED DRAWING: Figure 3 【課題】タービン回転数がタービン限界回転数を超過することを確実に抑制することが可能な、内燃機関の制御装置を提供する。【解決手段】実コンプレッサ前後圧力比が、タービン限界時コンプレッサ前後圧力比から所定圧力比を減算した圧力比を超過したとき、フィードバック補正量積分項を、タービン限界時コンプレッサ前後圧力比に実コンプレッサ前後圧力比が接近したときに用いる積分項制限量としての接近時積分項制限量により制限する。【選択図】図３