Active Suspension Control Based on Estimated Road Class for Off-Road Vehicle

<table class="fixed-width table-group" id="tab6"><tr><td><table class="table"><colgroup><col style="width:6.23em"/><col style="width:5.93em"/><col style="width:5.27em"/><col style="width:5.10em"/></colgroup><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Road grades</td><td class="align_center"><span style="width: 62.7107ptpx;"><svg height="18.3157pt" id="M154" style="vertical-align:-5.8304pt" version="1.1" viewbox="-0.0498162 -12.4853 62.7107 18.3157" width="62.7107pt" 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="M548 455L523 469C505 448 490 439 461 439C416 439 374 447 316 447C144 447 23 310 23 161C23 47 89 -12 179 -12C312 -12 429 106 429 244C429 303 419 344 368 386L371 388C404 383 440 378 474 378C507 378 530 411 548 455ZM350 274C350 191 308 25 198 25C144 25 108 75 108 157C108 264 170 395 276 395C296 395 320 384 333 360C347 334 350 316 350 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356 3 386 6C396 63 411 122 424 171C458 236 590 383 642 383C658 383 664 369 652 315L603 91C587 20 593 -12 619 -12C642 -12 708 23 766 88Z"></path></g><g transform="matrix(.013,0,0,-0.013,45.948,.183)"><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><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">A</td><td class="align_center">0.3418</td><td class="align_center">0.0011</td><td class="align_center">0.0034</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">B</td><td class="align_center">0.6836</td><td class="align_center">0.0023</td><td class="align_center">0.0069</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">C</td><td class="align_center">1.3671</td><td class="align_center">0.0046</td><td class="align_center">0.0137</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">D</td><td class="align_center">2.7342</td><td class="align_center">0.0091</td><td class="align_center">0.0275</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">E</td><td class="align_center">5.4684</td><td class="align_center">0.0182</td><td class="align_center">0.0550</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">F</td><td class="align_center">10.9368</td><td class="align_center">0.0365</td><td class="align_center">0.1099</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">G</td><td class="align_center">21.8737</td><td class="align_center">0.0729</td><td class="align_center">0.2198</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">H</td><td class="align_center">43.7473</td><td class="align_center">0.1458</td><td class="align_center">0.4396</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Performance statistics of passive suspension under different road grades.</div>

Mathematical Problems in Engineering

tab6

Table 6

Table 6: Active Suspension Control Based on Estimated Road Class for Off-Road Vehicle 