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

<table class="table-group" id="tab10"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left"><b>Fusion level</b></td><td class="align_center"><b>Applicable scenarios</b></td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Data level</td><td class="align_center">The data types of the two models are similar, such as the data have the same sampling frequency</td></tr><tr><td class="align_left">Feature level</td><td class="align_center">The types of features of the two models are similar or when data-level fusion performs poorly</td></tr><tr><td class="align_left">Decision level</td><td class="align_center">High-precision indicators are needed to assist decision-making</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Applicable scenarios of different fusion levels.</div>

International Journal of Aerospace Engineering

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Table 10

Table 10: A Condition Monitoring Method of Hydraulic Gear Pumps Based on Multilevel Mechanism-Data Fusion 