MARINE ENGINE CONTROL SYSTEM

PROBLEM TO BE SOLVED: To improve fuel consumption by operating a main engine with highly efficient engine speed to match a fluctuation in propeller inlet velocity. SOLUTION: The deviation of an engine speed command and a measured engine speed NEof a main shaft 13 or the main engine 12 is inputted in...

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Bibliographische Detailangaben
Hauptverfasser:	MIYATA JUNYA, INAMI SHOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MARINE PROPULSION OR STEERING MECHANICAL ENGINEERING PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To improve fuel consumption by operating a main engine with highly efficient engine speed to match a fluctuation in propeller inlet velocity. SOLUTION: The deviation of an engine speed command and a measured engine speed NEof a main shaft 13 or the main engine 12 is inputted in a PID calculation unit 16, and the quantity of fuel supplied from a fuel injection device 15 to the main engine 12 is feedback-controlled. The propeller inlet velocity to a propeller 14 is detected and inputted to a calculation unit 17. The engine speed command is adjusted such that a control point moves along an efficiency curve, according to the fluctuation in the propeller inlet velocity. COPYRIGHT: (C)2011,JPO&INPIT