Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 24, 2006
Patent Application Number
11235360
Date Filed
September 27, 2005
Patent Primary Examiner
Patent abstract
In feedback control of a discharge amount of a high pressure fuel pump in which an actual fuel pressure is caused to become a target fuel pressure, when a deviation between the target fuel pressure and the actual fuel pressure has transiently changed, updating of an integral term of the feedback control is stopped. As a result, needless updating of the integral term when the deviation of the target fuel pressure and the actual fuel pressure has transiently increased is inhibited, and fuel pressure overshoot is reliably suppressed.
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