| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a revolving drive controller allowing an operator to have satisfactory riding comfortableness when starting deceleration and to provide construction machinery including it. <P>SOLUTION: This revolving drive controller for driving and controlling a revolving mechanism of the construction machinery revolved and driven by an electric motor includes a driving order generating means for generating a driving order for driving the electric motor based on amount of operation to be input through an operation means of the construction machinery and a delaying means for delaying the driving order generated by the driving order generating means to let it slowly rise or fall with respect to a lapse of time. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
