Application and Optimization of Luenberger Observer Phase-Locked Loop and Inductance-Free Vector Control Method for Aviation Three-Phase Converter in Wearable Equipment

<div>Relationship between <svg height="12.5181pt" id="M91" style="vertical-align:-3.28197pt" version="1.1" viewbox="-0.0498162 -9.23613 9.79451 12.5181" width="9.79451pt" 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="M52 442L22 406L27 394H92V108C92 45 88 39 30 32V0H302V32C227 39 220 45 220 108V394H321C335 401 339 431 335 442H220L218 477C214 562 214 597 220 616C224 631 233 642 251 642C279 642 311 617 335 593C345 583 355 583 369 593C384 605 395 618 399 629C406 644 405 659 391 673C374 689 349 701 309 703C261 697 226 679 190 649C133 601 112 553 105 531C97 507 92 486 92 464V442H52Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,4.319,3.132)"><path d="M196 417V703C139 687 58 673 7 667V636C63 632 68 623 68 566V24C137 -2 188 -12 244 -12C390 -12 504 97 504 243C504 355 418 454 297 454C277 454 261 447 233 434L196 417ZM196 382C211 387 221 389 238 389C301 389 365 339 365 212C365 87 316 27 262 28C230 29 207 59 201 75C198 83 196 94 196 108V382Z"></path></g></svg> and <span class="nowrap"><svg height="9.10325pt" id="M92" style="vertical-align:-3.181499pt" version="1.1" viewbox="-0.0498162 -5.92175 14.68 9.10325" width="14.68pt" 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="M699 442H515V410C577 401 582 389 573 351C563 308 532 208 517 161H515C476 254 437 345 401 437H362C326 342 293 250 258 163H256C237 225 217 294 197 358C186 392 192 401 250 410V442H3V410C45 405 55 395 71 347C108 235 151 112 191 -11H229C267 84 302 175 340 268C377 177 418 83 457 -11H495C545 129 587 249 623 342C644 394 651 402 699 410V442Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.912,3.132)"><path d="M549 0V32C497 40 491 42 491 105V294C491 394 441 454 360 454C331 454 312 445 282 426C260 412 240 396 220 383V456C161 439 95 425 39 418V390C87 380 92 377 92 317V109C92 42 88 41 26 32V0H267V32C225 38 220 42 220 104V346C246 366 268 377 294 377C330 377 363 355 363 283V113C363 42 358 38 316 32V0H549Z"></path></g></svg>,</span> <span class="nowrap"><svg height="8.62698pt" id="M93" style="vertical-align:-0.1933403pt" version="1.1" viewbox="-0.0498162 -8.43364 8.69876 8.62698" width="8.69876pt" 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="M660 23C638 31 621 43 599 66C580 87 558 119 523 175C493 221 456 287 441 317C508 344 566 392 566 480C566 542 539 586 499 613C458 640 408 650 320 650H39V615C112 608 121 598 121 518V134C121 51 110 42 35 35V0H337V35C261 42 252 51 252 134V280H271C303 280 321 267 337 237C366 184 393 130 419 89C460 26 498 -2 624 -8C637 -8 648 -9 654 -9L660 23ZM252 320V563C252 584 254 594 261 600C267 606 281 610 306 610C362 610 424 572 424 465C424 414 410 374 376 346C354 327 320 320 278 320H252Z"></path></g></svg>,</span> and <span class="nowrap"><svg height="12.3916pt" id="M94" style="vertical-align:-3.42948pt" version="1.1" viewbox="-0.0498162 -8.96212 7.47216 12.3916" width="7.47216pt" 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="M542 242C542 369 469 429 379 468C370 472 372 496 376 513L416 681L400 691L344 648L219 51C167 69 113 128 113 217C113 324 166 387 266 428L252 459C124 418 23 336 23 202C23 95 90 13 205 -8L182 -132C165 -222 191 -254 209 -261L215 -258L270 -7C415 -4 542 98 542 242ZM469 232C469 126 403 33 279 39L355 409C399 394 469 331 469 232Z"></path></g></svg>.</span></div>

Computational Intelligence and Neuroscience

fig8

Figure 8

Figure 8: Application and Optimization of Luenberger Observer Phase-Locked Loop and Inductance-Free Vector Control Method for Aviation Three-Phase Converter in Wearable Equipment 

Figure 8 | Application and Optimization of Luenberger Observer Phase-Locked Loop and Inductance-Free Vector Control Method for Aviation Three-Phase Converter in Wearable Equipment 