A Rotor Flux and Speed Observer for Sensorless Single-Phase Induction Motor Applications

<table>Phase portrait <svg height="19.4125" id="M120" style="vertical-align:-5.76984pt" version="1.1" viewbox="0 0 61.387501 19.4125" width="61.387501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.162)"><use xlink:href="#x1D706"></use></g>
<g transform="matrix(.012,-0,0,-.012,9.45,16.25)"><use xlink:href="#x1D45F"></use></g><g transform="matrix(.012,-0,0,-.012,14.471,16.25)"><use xlink:href="#x1D6FC"></use></g>
<g transform="matrix(.017,-0,0,-.017,25.625,12.162)"><use xlink:href="#xD7"></use></g><g transform="matrix(.017,-0,0,-.017,39.377,12.162)"><use xlink:href="#x1D706"></use></g>
<g transform="matrix(.012,-0,0,-.012,48.762,16.25)"><use xlink:href="#x1D45F"></use></g><g transform="matrix(.012,-0,0,-.012,53.784,16.25)"><use xlink:href="#x1D6FD"></use></g>
</svg> of rotor flux for 50 Hz considering the loaded SPIM (computational simulation).</table>

International Journal of Rotating Machinery

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Figure 9

Figure 9: A Rotor Flux and Speed Observer for Sensorless Single-Phase Induction Motor Applications 