| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a shovel capable of detecting the malfunction of a revolving electric motor. <P>SOLUTION: The hybrid shovel includes an input physical quantity acquiring part 300 for acquiring an input physical quantity showing the input of a revolving electric motor 21, an output physical quantity acquiring part 301 for acquiring an output physical quantity showing the output of the revolving electric motor 21, corresponding to the input physical quantity acquired by the input physical quantity acquiring part 300, and a revolving electric motor malfunction detecting part 302 for detecting the malfunction of the revolving electric motor 21, based on the rate of the input physical quantity to the output physical quantity. <P>COPYRIGHT: (C)2013,JPO&INPIT |
