CONTROL METHOD OF COMPRESSION SELF-IGNITION TYPE ENGINE AND CONTROL DEVICE

Japanese Patent JP2018087559

A

PROBLEM TO BE SOLVED: To suppress an increase of vibration irrespective of a variation of a resonance rotation number caused by an atmospheric temperature.SOLUTION: This control method of a compression self-ignition type engine includes: a rotation specification process for specifying an engine rotation number; an atmospheric temperature specification process for specifying an atmospheric temperature; a fuel supply amount setting process for setting a target supply amount of fuel which should be supplied to a cylinder from a fuel supply device on the basis of the engine rotation number which is specified by the rotation number specification process; and a threshold setting process for setting a threshold of the resonance band area in which vibration is liable to become large on the basis of the atmospheric temperature which is specified by the atmospheric temperature specification process. In the fuel supply amount setting process, the target supply amount when supplying the fuel in order to raise a rotation number from a state that the engine rotation number is lower than a lower limit rotation number of the resonance band area is set to a value by which the engine rotation number at the fuel supply in a succeeding cycle is deviated from the resonance band area, and in the threshold setting process, at least the lower limit rotation number of the resonance band area is shifted to a low-rotation side compared with the case that the atmospheric temperature is low when the atmospheric temperature is high.SELECTED DRAWING: Figure 5

JP2007032401	PREMIXED COMPRESSION SELF-IGNITION TYPE INTERNAL COMBUSTION ENGINE
WO1997003282	DEVICE AND METHOD FOR CALIBRATION OF A THROTTLE ARRANGEMENT
JP2566462	[Name of invention] Electronically controlled fuel injection device

TOMIYOSHI KANAE
TAKAHASHI KOTARO
KOBAYASHI TORU
SUGANO HIROSHI
TATEISHI MASAHIRO
KARATSU RYOHEI
MIYATO TAKAMITSU
YAMAZAKI JIRO

JP2016232247A

June 07, 2018

November 30, 2016

Click for automatic bibliography generation  

MAZDA MOTOR

F02D41/04; F02D41/08; F02D45/00

JP2009228538A	2009-10-08
JPS6333043U	1988-03-03
JP2005172029A	2005-06-30
JP2016137809A	2016-08-04
JP2009035121A	2009-02-19
JP2006063833A	2006-03-09

Etsushi Kotani
Masataka Otani
Ko Sato

Previous Patent: A control method and a control device of a compression ignition type engine

Next Patent: A cover member for engines, and an internal-combustion engine