Fault Diagnosis for Hydraulic Servo System Using Compressed Random Subspace Based ReliefF

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/complexity/volume-2018/8740989/figures/8740989.fig.004a.svgz" name="8740989.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Normal state</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/complexity/volume-2018/8740989/figures/8740989.fig.004b.svgz" name="8740989.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Amplifier fault</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/complexity/volume-2018/8740989/figures/8740989.fig.004c.svgz" name="8740989.fig.004c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Sensor fault</td></tr><tr class="fig-image" id="d"><td><object data="https://static-preview.hindawi.com/articles/complexity/volume-2018/8740989/figures/8740989.fig.004d.svgz" name="8740989.fig.004d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Hydraulic pump wear fault</td></tr></table>

<div>Original output signals of the hydraulic servo system.</div>

Complexity

fig4

Figure 4

Figure 4: Fault Diagnosis for Hydraulic Servo System Using Compressed Random Subspace Based ReliefF 