Verfahren zur Dynamischen Bestimmung eines Zündmusters für einen Motor mit Dynamischer Zylinderaktivierung

Details

Veröffentlichungs-Nr.

EP4729762

Anmeldetag

24. August 2020

Veröffentlichung

22. April 2026

Rechtsraum

EP

IPC

F02D41/30(PIRJABERI MOHAMMAD R et al.)(NAGASHIMA MASAKI et al.)

Abstract

The invention relates to a method for dynamically deactivating engine cylinders (130) of an engine (120) equipped with a cylinder deactivation system (132), the method configured to limit torsional vibration in the engine (120) while deactivating cylinders (130), the method comprising in a computer, determining a desired firing density; in the computer, determining a controlled range of engine vibration frequencies (162); in the computer, dynamically calculating a cylinder firing pattern that provides the desired firing density while optimizing a cost function in the controlled range of engine vibration frequencies (162), wherein the cylinder firing pattern is a sequence of firing and non-firing events; within the model based algorithm, determining unbalanced engine orders for the cylinder firing pattern using a phase-angle approach; and controlling the cylinder deactivation system (132) in the engine (120) with the calculated cylinder firing pattern.

Anmelder

Firma

Purdue Research Foundation

Land

🇺🇸 USA