Research on Road Roughness Based on NARX Neural Network

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Road level</td><td class="align_center" colspan="3"><span style="width: 87.179ptpx;"><svg height="17.0656pt" id="M65" style="vertical-align:-5.474199pt" version="1.1" viewbox="-0.0498162 -11.5914 87.179 17.0656" width="87.179pt" 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="M673 297H417L411 270C517 261 522 258 506 183L487 92C476 38 428 19 360 19C207 19 123 132 123 287C123 472 243 631 441 631C557 631 617 583 617 469L647 472C650 545 655 604 658 632C625 643 554 666 467 666C201 666 23 502 23 278C23 90 156 -16 339 -16C410 -16 501 6 569 24C566 43 567 70 573 101L589 183C604 259 607 262 667 271L673 297Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.827,3.132)"><path d="M481 430L460 436C440 442 393 451 366 451C348 451 325 448 313 446C267 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transform="matrix(.013,0,0,-0.013,82.403,0)"><path d="M275 270C275 450 212 609 64 710L45 686C145 604 203 442 203 270S147 -63 45 -147L64 -170C213 -68 275 89 275 270Z"></path></g></svg></span></td></tr><tr class="thead"><td class="align_center">Lower limit</td><td class="align_center">Geometric mean</td><td class="align_center">Upper limit</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">B</td><td class="align_center">32</td><td class="align_center">64</td><td class="align_center">128</td></tr><tr><td class="align_left">C</td><td class="align_center">128</td><td class="align_center">256</td><td class="align_center">512</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Classification standard of road level.</div>

Mathematical Problems in Engineering

tab2

Table 2

Table 2: Research on Road Roughness Based on NARX Neural Network 