Research on the Sparse Representation for Gearbox Compound Fault Features Using Wavelet Bases

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left">Gear</td><td align="center">Number of teeth</td><td align="center">Rotating frequency (Hz)</td><td align="center">Rotating period (s)</td><td align="center">Meshing frequency (Hz)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left">Driving gear</td><td align="center">34</td><td align="center">24.67</td><td align="center">0.041</td><td align="center" rowspan="2">839</td></tr><tr><td align="left">Driven gear</td><td align="center">42</td><td align="center">19.98</td><td align="center">0.05</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Working parameters of gears in the tested gearbox.

Shock and Vibration

tab1

Table 1

Table 1: Research on the Sparse Representation for Gearbox Compound Fault Features Using Wavelet Bases 