Title:
CONTROL DEVICE AND CONTROL METHOD
Document Type and Number:
Japanese Patent JP2018193979
Kind Code:
A
Abstract:
To easily and accurately calculate an EGR rate.SOLUTION: A control device according to an embodiment controls an EGR device for an internal combustion engine which has the EGR device for circulating a part of exhaust gas to an intake side. The control device includes an EGR calculating section, and an EGR correcting section. The EGR calculating section calculates an EGR rate on the basis of a detection result of an intake oxygen concentration sensor for detecting an oxygen concentration on the intake side. The EGR correcting section corrects the EGR rate on the basis of a detection result of an A/F sensor for detecting an air-fuel ratio of the exhaust gas.SELECTED DRAWING: Figure 1
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Inventors:
IINO KENGO
Application Number:
JP2017101051A
Publication Date:
December 06, 2018
Filing Date:
May 22, 2017
Export Citation:
Assignee:
DENSO TEN LTD
International Classes:
F02M26/46; F02D21/08
Attorney, Agent or Firm:
Sakai International Patent Office