A Study on the Influencing Factors and Optimization Design of Combined Push-Pull Magnetic Drive Coupling

<table class="fixed-width table-group" id="tab6"><tr><td><table class="table"><colgroup><col style="width:14.02em"/><col style="width:14.18em"/><col style="width:8.28em"/><col style="width:13.29em"/></colgroup><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Test factors</td><td class="align_center">Maximum magnetostatic torque</td><td class="align_center">Eddy current loss</td><td class="align_center">Volume of permanent magnet</td></tr><tr class="thead"><td class="align_center"><svg height="12.2532pt" id="M53" style="vertical-align:-3.29108pt" version="1.1" viewbox="-0.0498162 -8.96212 25.0458 12.2532" width="25.0458pt" 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="M620 675H597C578 656 570 650 541 650H144C112 650 104 653 94 675H72C59 618 42 552 23 493L53 491C71 534 88 564 105 585C124 608 144 615 238 615H290L197 121C182 40 174 34 88 28L82 0H361L367 28C275 34 266 38 281 121L374 615H441C522 615 543 608 553 583C562 560 566 531 565 493L597 494C603 551 612 629 620 675Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,7.176,3.132)"><path d="M781 91L765 118C733 86 702 70 693 70C686 70 685 77 692 106L738 297C772 439 736 451 712 451S675 445 647 431C605 410 526 356 452 257H450L459 294C491 426 459 451 429 451C403 451 386 445 361 431C312 404 239 343 170 253H168L188 333C208 411 205 451 175 451C148 451 85 417 24 346L39 318C57 338 100 374 112 374C120 374 122 372 115 339C91 226 62 112 28 -6L37 -12C59 -4 87 3 114 6C125 68 142 127 154 168C184 227 316 383 372 383C397 383 396 366 381 289C362 192 338 92 312 -6L317 -12C339 -5 367 3 396 6L434 170C468 234 598 383 650 383C668 383 676 369 664 319L609 90C593 23 600 -12 629 -12C654 -12 722 23 781 91Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,14.502,3.132)"><path d="M490 97L476 124C442 96 405 70 398 70C392 70 390 78 396 114C419 243 448 379 463 432L457 436C446 436 431 439 418 442C393 447 368 451 343 451C281 451 204 418 155 381C74 320 24 206 24 107C24 23 59 -12 88 -12C118 -12 155 5 191 34C236 70 290 122 328 177H330L312 84C296 0 311 -12 331 -12C355 -12 425 24 490 97ZM374 387C371 367 360 299 347 264C323 202 187 53 142 53C128 53 113 73 113 120C113 224 157 332 221 380C241 395 274 403 303 403C330 403 360 395 374 387Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,19.181,3.132)"><path d="M545 403C545 425 527 451 498 451C448 451 400 404 312 286L290 341C262 412 246 451 219 451C182 451 138 404 92 345L112 323C152 368 169 378 181 378C192 378 201 359 216 321L257 214C184 115 142 69 113 69C102 69 93 73 88 79S78 89 68 89C47 89 24 61 24 40C24 8 49 -12 75 -12C125 -12 175 31 271 175L312 64C330 15 357 -12 382 -12C421 -12 475 35 515 98L496 121C466 88 439 62 420 62C402 62 384 92 363 147L325 247C349 280 374 309 397 333C422 361 446 381 462 381C471 381 481 374 488 366C493 360 499 357 505 357C521 357 545 380 545 403Z"></path></g></svg></td><td class="align_center">Pw</td><td class="align_center">V</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Magnet inner radius r</td><td class="align_center">k11&gt; k12&gt; k13</td><td class="align_center">k21&gt; k22&gt; k23</td><td class="align_center">k31&gt; k32&gt; k33</td></tr><tr><td class="align_left">Permanent magnet thickness tm</td><td class="align_center">k11&gt; k12&gt; k13</td><td class="align_center">k21&gt; k22&gt; k23</td><td class="align_center">k31&gt; k32&gt; k33</td></tr><tr><td class="align_left">Axial length Lb</td><td class="align_center">k11&gt; k12&gt; k13</td><td class="align_center">k21&gt; k22&gt; k23</td><td class="align_center">k31&gt; k32&gt; k33</td></tr><tr><td class="align_left">Axial length ti</td><td class="align_center">k11&gt; k12&gt; k13</td><td class="align_center">k21&gt; k22&gt; k23</td><td class="align_center">k31&gt; k33&gt; k32</td></tr><tr><td class="align_left">Optimal parameter scheme</td><td class="align_center">r1tm1Lb1ti1</td><td class="align_center">r3tm3Lb3ti3</td><td class="align_center">r3tm3Lb3ti2</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Combination of optimal geometric parameter schemes for single index study.</div>

Mathematical Problems in Engineering

tab6

Table 6

Table 6: A Study on the Influencing Factors and Optimization Design of Combined Push-Pull Magnetic Drive Coupling 