Adaptive Fuzzy Tracking Control for a Permanent Magnet Synchronous Motor via Backstepping Approach

<table>The curve of the rotor position <math id="M157" xmlns="http://www.w3.org/1998/Math/MathML"><mrow><msub><mrow><mi>x</mi></mrow><mrow><mn>1</mn></mrow></msub></mrow></math>.</table>

Mathematical Problems in Engineering

fig3

Figure 3

Figure 3: Adaptive Fuzzy Tracking Control for a Permanent Magnet Synchronous Motor via Backstepping Approach 