Vector Control Algorithm for Electric Vehicle AC Induction Motor Based on Improved Variable Gain PID Controller

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/mpe/volume-2015/875843/figures/875843.fig.0010a.svgz" name="875843.fig.0010a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Three-phase current with PID controller</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/mpe/volume-2015/875843/figures/875843.fig.0010b.svgz" name="875843.fig.0010b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Three-phase current with variable gain PID controller</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/mpe/volume-2015/875843/figures/875843.fig.0010c.svgz" name="875843.fig.0010c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Three-phase current with improved variable gain PID controller</td></tr></table>

<div>The simulation result of three-phase current.</div>

Mathematical Problems in Engineering

fig10

Figure 10

Figure 10: Vector Control Algorithm for Electric Vehicle AC Induction Motor Based on Improved Variable Gain PID Controller 