DRIVE DEVICE AND DETERIORATION DISCRIMINATION METHOD
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Mar 20, 2025
app pub date -
Apr 1, 2022
filing date -
Apr 1, 2022
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Abstract
A drive apparatus includes a power circuit and a deterioration determining device. The power circuit outputs, to a load, a current including a current component having a frequency determined by a natural frequency of at least one member of the load or a vibratory member to vibrate when receiving vibration resulting from an electromagnetic excitation force generated in the load or by a value of a natural number multiple of a rotation frequency of a rotator that is one of the at least one member. The deterioration determining device generates frequency domain data based on a sensor signal output by a vibration sensor and determines deterioration of the at least one member of the load or the vibratory member based on a value of a frequency spectrum indicated by the frequency domain data at the natural frequency or the rotation frequency used to determine the frequency of the current component.
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