Research on an Improved Method for Permanent Magnet Synchronous Motor

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="816421.fig.004a" src="https://static.hindawi.com/articles/js/volume-2014/816421/figures/816421.fig.004a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Speed wave</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="816421.fig.004b" src="https://static.hindawi.com/articles/js/volume-2014/816421/figures/816421.fig.004b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Part of speed wave when load changes front and back</td></tr></table></td></tr></table>

<table>Simulation waves under LSSVM-ADRC method when given speed is 700 r/min and load changes from 0 to 3 N·m at 0.3 s.</table>

Journal of Sensors

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Figure 4: Research on an Improved Method for Permanent Magnet Synchronous Motor 