Acoustics Source Identification of Diesel Engines Based on Variational Mode Decomposition, Fast Independent Component Analysis, and Hilbert Transformation

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Characteristics</td><td class="align_center">Parameters</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Engine type</td><td class="align_center">In-line engine</td></tr><tr><td class="align_left">Cylinder number</td><td class="align_center">4</td></tr><tr><td class="align_left">Maximum output power</td><td class="align_center">470 kW</td></tr><tr><td class="align_left">Rated power speed</td><td class="align_center">2100 r/min</td></tr><tr><td class="align_left">Transmission ratio</td><td class="align_center">2.98</td></tr><tr><td class="align_left">Firing order</td><td class="align_center">1-5-3-6-2-4</td></tr><tr><td class="align_left">Maximum torque</td><td class="align_center">2137 N·m</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Basic parameters of the diesel engine.</div>

Shock and Vibration

tab2

Table 2

Table 2: Acoustics Source Identification of Diesel Engines Based on Variational Mode Decomposition, Fast Independent Component Analysis, and Hilbert Transformation 

Table 2 | Acoustics Source Identification of Diesel Engines Based on Variational Mode Decomposition, Fast Independent Component Analysis, and Hilbert Transformation 