Zone based knock reduction systems and methods for belt alternator starter hybrid systems

A knock reduction system for an internal combustion engine is provided. The system includes an engine operating zone selection module that selects a current engine operating zone from a plurality of engine operating zones based on engine speed, air per cylinder, and barometric pressure. A knock dete...

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Bibliographische Detailangaben
1. Verfasser:	BHATTARAI BIRENDRA P
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 IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION 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 TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A knock reduction system for an internal combustion engine is provided. The system includes an engine operating zone selection module that selects a current engine operating zone from a plurality of engine operating zones based on engine speed, air per cylinder, and barometric pressure. A knock detection module generates a knock detection signal based on a detection of engine knock. An octane scaler adaptation module computes an octane scaler based on the current engine operating zone and the knock detection signal wherein engine spark is controlled based on the octane scaler.