PID Control of Multisources Complex Excitations Active Vibration Isolation System: An Improved Particle Swarm Optimization Algorithm

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/sv/volume-2016/3486959/figures/3486959.fig.0021a.svgz" name="3486959.fig.0021a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Time-frequency domain curves of the acceleration signal in 6-2 motor position</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/sv/volume-2016/3486959/figures/3486959.fig.0021b.svgz" name="3486959.fig.0021b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Time-frequency domain curves of the acceleration signal in 6-5 motor position</td></tr></table>

<div>Actual vibration acceleration signals of two excitation motors.</div>

Shock and Vibration

fig21

Figure 21

Figure 21: PID Control of Multisources Complex Excitations Active Vibration Isolation System: An Improved Particle Swarm Optimization Algorithm 