Fuzzy PID Feedback Control of Piezoelectric Actuator with Feedforward Compensation

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/mpe/volume-2014/107184/figures/107184.fig.0025a.svgz" name="107184.fig.0025a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Tracking results of input signal with 5 times of frequency</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/mpe/volume-2014/107184/figures/107184.fig.0025b.svgz" name="107184.fig.0025b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Tracking results of input signal with 20 times of frequency</td></tr></table>

<div>Responses under different frequencies of input sinusoidal signal.</div>

Mathematical Problems in Engineering

fig25

Figure 25

Figure 25: Fuzzy PID Feedback Control of Piezoelectric Actuator with Feedforward Compensation 