Condition-Based Maintenance Optimization for Motorized Spindles Integrating Proportional Hazard Model with SPC Charts

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Feature</td><td class="align_center">Definition</td><td class="align_center">Formula</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">RMS</td><td class="align_center">Root mean square, the square root of the mean square</td><td class="align_center"><span style="width: 109.831ptpx;"><svg height="22.7523pt" id="M105" style="vertical-align:-6.074501pt" version="1.1" viewbox="-0.0498162 -16.6778 109.831 22.7523" width="109.831pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,-1.648)"><path d="M772 1098H727L517 -348H515L294 324L133 259L147 224L245 263L524 -588H526L772 1098Z"></path></g><rect height="0.65243" width="99.5142" x="10.2172" y="-15.9756"></rect><g transform="matrix(.013,0,0,-0.013,10.217,0)"><path d="M300 -147C201 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<div>Summary of selected time-domain features.</div>

Mathematical Problems in Engineering

tab5

Table 5

Table 5: Condition-Based Maintenance Optimization for Motorized Spindles Integrating Proportional Hazard Model with SPC Charts 