A New Calibration Method for the Real-Time Calculation of Dynamic Safety Following Distance under Railway Moving Block System

<table class="fixed-width table-group" id="tab2"><tr><td><table class="table"><colgroup><col style="width:14.68em"/><col style="width:2.84em"/><col style="width:2.75em"/><col style="width:2.91em"/><col style="width:2.80em"/><col style="width:2.80em"/><col style="width:2.99em"/><col style="width:2.83em"/><col style="width:2.90em"/><col style="width:2.79em"/><col style="width:3.46em"/><col style="width:1.77em"/></colgroup><tr><td class="thead-hr" colspan="12"><hr/></td></tr><tr class="thead"><td class="align_left">Velocity (km/h)</td><td class="align_center">500</td><td class="align_center">450</td><td class="align_center">400</td><td class="align_center">350</td><td class="align_center">300</td><td class="align_center">250</td><td class="align_center">200</td><td class="align_center">150</td><td class="align_center">100</td><td class="align_center">50</td><td class="align_center">0</td></tr><tr><td class="thead-hr" colspan="12"><hr/></td></tr><tr><td class="align_left">Optimal safety following distance</td><td class="align_center" rowspan="2">4.41</td><td class="align_center" rowspan="2">3.51</td><td class="align_center" rowspan="2">2.76</td><td class="align_center" rowspan="2">2.01</td><td class="align_center" rowspan="2">1.47</td><td class="align_center" rowspan="2">0.99</td><td class="align_center" rowspan="2">0.61</td><td class="align_center" rowspan="2">0.32</td><td class="align_center" rowspan="2">0.15</td><td class="align_center" rowspan="2">0.047</td><td class="align_center" rowspan="2">0</td></tr><tr><td class="align_left"><svg height="14.8825pt" id="M118" style="vertical-align:-3.2911pt" version="1.1" viewbox="-0.0498162 -11.5914 72.1125 14.8825" width="72.1125pt" 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="M530 686C535 705 530 712 521 712C504 712 448 684 359 674L358 648H393C437 648 439 646 429 593L400 435C372 447 345 448 332 448C286 448 194 414 144 373C68 311 23 203 23 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<div>Optimum safety following distance under different velocities.</div>

Mathematical Problems in Engineering

tab2

Table 2

Table 2: A New Calibration Method for the Real-Time Calculation of Dynamic Safety Following Distance under Railway Moving Block System 