Research on Demagnetization Fault Diagnosis Method of Mine Cutting Permanent Magnet Synchronous Motor

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijrm/volume-2024/6648925/figures/6648925.fig.006a.svgz" name="6648925.fig.006a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Normal state</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijrm/volume-2024/6648925/figures/6648925.fig.006b.svgz" name="6648925.fig.006b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Uniform demagnetization</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/ijrm/volume-2024/6648925/figures/6648925.fig.006c.svgz" name="6648925.fig.006c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Partial demagnetization</td></tr></table>

<div>Wavelet packet decomposition process.</div>

International Journal of Rotating Machinery

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Figure 6

Figure 6: Research on Demagnetization Fault Diagnosis Method of Mine Cutting Permanent Magnet Synchronous Motor 