Feedforward Feedback Pitch Control for Wind Turbine Based on Feedback Linearization with Sliding Mode and Fuzzy PID Algorithm

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/4606780/figures/4606780.fig.008a.svgz" name="4606780.fig.008a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Random wind speed</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/4606780/figures/4606780.fig.008b.svgz" name="4606780.fig.008b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Pitch angles using different functions in sliding mode</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/4606780/figures/4606780.fig.008c.svgz" name="4606780.fig.008c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Rotor speeds using different functions in sliding mode</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/4606780/figures/4606780.fig.008d.svgz" name="4606780.fig.008d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Output powers using different functions in sliding mode</td></tr></table>

<div>(a) Random wind speed; (b) pitch angles using different functions in sliding mode; (c) rotor speeds using different functions in sliding mode; (d) output powers using different functions in sliding mode.</div>

Mathematical Problems in Engineering

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Figure 8

Figure 8: Feedforward Feedback Pitch Control for Wind Turbine Based on Feedback Linearization with Sliding Mode and Fuzzy PID Algorithm 