| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain good starting characteristics even when a diesel engine is in a very low temperature state. <P>SOLUTION: A fuel injection controlling device is configured to control a fuel injection operation by correcting a basic control amount which is to be used for controlling the fuel injection operation calculated based on the operation state of a diesel engine 1, by an electronic controlling unit 11 with a correction parameter. The electronic controlling unit 11 uses the in-cylinder temperature prediction value of the diesel engine 1 as a correction parameter. The in-cylinder temperature prediction value is sequentially updated and calculated by repeating a step of adding an in-cylinder temperature variation obtained from a given map in accordance with the increase rate of the rotation speed of the diesel engine 1 to the latest calculated in-cylinder temperature prediction value. <P>COPYRIGHT: (C)2012,JPO&INPIT |
