| 摘要 |
PURPOSE:To match with setting rotation quickly by detecting the gradient of variation of input rotation and performing ON, OFF control of solenoid valve such that the gradient will direct toward the opposite direction. CONSTITUTION:The gradient of variation of actual input rotation is detected through input rotation sensor 52 then a solenoid valve 48 is ON, OFF controlled to direct the gradient in the opposite direction. In other word, the solenoid valve 48 is turned on when the input rotation N will change from increasing to decreasing direction thus to suppress lowering of input rotation N. While when the input rotation N will change from decreasing to increasing direction, the solenoid valve 48 is turned off to suppress increase of the input rotation N. Consequently, it will match quickly with the setting rotation. |
