Title:
CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2017141693
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To associatively increase a fuel injection amount for making an air-fuel ratio rich in a form that a value of the increase can be properly controlled in terms of the suppression of a knock and an increase of a torque variation when retarding ignition timing for the suppression of the knock, related to a control device of an internal combustion engine.SOLUTION: A combustion index value indicating combustion stability is calculated on the basis of an output value of an in-cylinder sensor 30. When suppressing a knock, ignition timing is retarded. A fuel injection amount is increased so that a combustion index value indicating the actual combustion stability of a retardation execution cycle being a combustion cycle at which the retardation of the ignition timing is performed approximates a target value of a combustion index value indicating the combustion stability of a pre-retardation cycle.SELECTED DRAWING: Figure 5
Inventors:
SUZUKI YUSUKE
FURUISHI AKIO
FURUISHI AKIO
Application Number:
JP2016021968A
Publication Date:
August 17, 2017
Filing Date:
February 08, 2016
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F02D43/00; F02D41/04; F02D45/00
Domestic Patent References:
| JP2015094339A | 2015-05-18 | |||
| JP2011256725A | 2011-12-22 | |||
| JP2015098799A | 2015-05-28 | |||
| JP2017031919A | 2017-02-09 | |||
| JP2017025893A | 2017-02-02 | |||
| JP2016098772A | 2016-05-30 | |||
| JP2016098733A | 2016-05-30 | |||
| JP2014185569A | 2014-10-02 |
Attorney, Agent or Firm:
Hideki Takahashi
Mamoru Takada
Hidekazu Onishi
Mamoru Takada
Hidekazu Onishi
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