Title:
燃料噴射装置
Document Type and Number:
Japanese Patent JP4158623
Kind Code:
B2
Abstract:
An electronic control unit (an ECU) of a fuel injection system performs a learning injection based on a learning injection quantity and obtains multiple influence values of an operating state of an engine generated through the learning injection. The ECU calculates a learning value for correcting the injection quantity in a normal operation based on the multiple influence values. The ECU determines whether the influence value obtained during the learning injection is within a predetermined range of the influence value. The ECU calculates a provisional learning injection quantity for bringing a subsequent influence value into the predetermined range if the influence value obtained in an early stage of the obtainment is out of the predetermined range. Then, the ECU calculates the other influence values by performing the other learning injections based on the provisional learning injection quantity.
Inventors:
Masahiro Asano
Yoshihiro Narahara
Takemoto Eiji
Kei Umehara
Yoshihiro Narahara
Takemoto Eiji
Kei Umehara
Application Number:
JP2003185907A
Publication Date:
October 01, 2008
Filing Date:
June 27, 2003
Export Citation:
Assignee:
株式会社デンソー
International Classes:
F02D41/14; F02D45/00; F02D41/40
Domestic Patent References:
| JP2003083140A | ||||
| JP2002138889A |
Attorney, Agent or Firm:
Kenji Ishiguro