| 摘要 |
<p>The present invention relates to a monitoring device and a method therefor, and the device is capable of improving user convenience by monitoring whether or not an abnormality exists in various mechanical devices such as a wafer transfer robot, a vehicle, an airplane and the like on the basis of the frequency characteristics of sound signals generated when the various mechanical devices move and generating and outputting notification information when the abnormality is detected.</p> |
