A Condition Monitoring Method of Hydraulic Gear Pumps Based on Multilevel Mechanism-Data Fusion

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijae/volume-2024/5587168/figures/5587168.fig.0017a.svgz" name="5587168.fig.0017a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Linear kernel</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijae/volume-2024/5587168/figures/5587168.fig.0017b.svgz" name="5587168.fig.0017b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Polynomial kernel</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/ijae/volume-2024/5587168/figures/5587168.fig.0017c.svgz" name="5587168.fig.0017c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Gaussian kernel</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/ijae/volume-2024/5587168/figures/5587168.fig.0017d.svgz" name="5587168.fig.0017d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Sigmoid kernel</td></tr><tr class="fig-image" id="e"><td><object data="https://static.hindawi.com/articles/ijae/volume-2024/5587168/figures/5587168.fig.0017e.svgz" name="5587168.fig.0017e" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(e) </b>Laplacian kernel</td></tr><tr class="fig-image" id="f"><td><object data="https://static.hindawi.com/articles/ijae/volume-2024/5587168/figures/5587168.fig.0017f.svgz" name="5587168.fig.0017f" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(f) </b>MCMK-SVC</td></tr></table>

<div>Confusion matrix of feature-level mechanism-data fusion.</div>

International Journal of Aerospace Engineering

fig17

Figure 17

Figure 17: A Condition Monitoring Method of Hydraulic Gear Pumps Based on Multilevel Mechanism-Data Fusion 