| 摘要 |
<P>PROBLEM TO BE SOLVED: To draw an attention on the change of a resonance frequency. <P>SOLUTION: The resonance suppression device includes: a notch filter installed in a control system for suppressing the resonance of the control system; and a filter coefficient adjustment part for updating the filter coefficient of the notch filter so that the center frequency of the notch filter is coincident with the resonance frequency of the control system. The update processing of the filter coefficient includes: determining whether or not the amount of change of the resonance frequency with the existing center frequency of the notch filter as a reference is within an allowable range; and outputting a warning when it is determined that the amount of change is beyond the allowable range. <P>COPYRIGHT: (C)2013,JPO&INPIT |
