Fault Diagnosis of Wheel Flat Using Empirical Mode Decomposition-Hilbert Envelope Spectrum

<div>Vertical ABA with different wheel flat lengths and American six-grade track irregularity (<svg height="8.6596pt" id="M73" style="vertical-align:-0.1933298pt" version="1.1" viewbox="-0.0498162 -8.46627 9.44254 8.6596" width="9.44254pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M734 650H496L486 614L502 612C560 605 569 593 536 529C494 444 405 298 321 161H319L241 551C231 599 243 603 286 611L302 614L313 650H27L16 614C76 608 93 598 109 523L224 -12H270L592 509C646 597 665 607 726 614L734 650Z"></path></g></svg>=100km/h).</div>

Mathematical Problems in Engineering

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Figure 3

Figure 3: Fault Diagnosis of Wheel Flat Using Empirical Mode Decomposition-Hilbert Envelope Spectrum 