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Title:
ENGINE ROTATION SPEED CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2009036180
Kind Code:
A
Abstract:

To stabilize engine rotation speed so as to improve the hunting in a low rotation region and responsiveness at load input of an engine in an engine rotation speed control device based on PID control.

In an engine rotation speed control device which performs PID control by an electronic governor mechanism 5, each of the gain constants (proportional gain Kp, differential gain Ki and integral gain Kd) of the engine rotation speed control device is set in advance by each target rotation speed Nm and by each rotation speed difference N between the target rotation speed Nm and actual rotation speed N of the engine.


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Inventors:
KAWAGUCHI SHIGETAKA
OKU YASUAKI
SHIOMI HIDEO
TSUTSUMI MITSUHIRO
Application Number:
JP2007203536A
Publication Date:
February 19, 2009
Filing Date:
August 03, 2007
Export Citation:
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Assignee:
YANMAR CO LTD
International Classes:
F02D41/14; F02D45/00
Domestic Patent References:
JP2006220054A2006-08-24
JPH045487A1992-01-09
JPH04159437A1992-06-02
JPH08200131A1996-08-06
JP2004138024A2004-05-13
JPH0447133A1992-02-17
JPH11264811A1999-09-28
JPH11229925A1999-08-24
Attorney, Agent or Firm:
Juichiro Yano



 
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