{"id":4005,"date":"2024-04-07T11:59:53","date_gmt":"2024-04-07T03:59:53","guid":{"rendered":"https:\/\/www.toptaggroup.com\/the-basic-workflow-of-rfid-system\/"},"modified":"2024-04-28T15:53:01","modified_gmt":"2024-04-28T07:53:01","slug":"the-basic-workflow-of-rfid-system","status":"publish","type":"post","link":"https:\/\/www.toptaggroup.com\/lv\/the-basic-workflow-of-rfid-system\/","title":{"rendered":"RFID sist\u0113mas pamatdarbpl\u016bsma"},"content":{"rendered":"

RFID (radiofrekven\u010du identifik\u0101cija) ir bezkontakta autom\u0101tisk\u0101s identifik\u0101cijas tehnolo\u0123ija, kas izmanto radiofrekven\u010du sign\u0101lu p\u0101rraides \u012bpa\u0161\u012bbas un to telpisko sasaisti, lai autom\u0101tiski identific\u0113tu stacion\u0101rus vai kust\u012bgus priek\u0161metus. Radiofrekven\u010du identifik\u0101ciju bie\u017ei d\u0113v\u0113 par indukt\u012bv\u0101m elektronisk\u0101m mikrosh\u0113m\u0101m vai bezkontakta kart\u0113m, indukt\u012bv\u0101m kart\u0113m, bezkontakta kart\u0113m, elektronisk\u0101m birk\u0101m, elektroniskiem sv\u012btrkodiem utt. K\u0101 darbojas RFID?<\/p>\n

Las\u012bt\u0101js caur raido\u0161o antenu nos\u016bta noteiktas frekvences radiofrekvences sign\u0101lus. Kad radiofrekvences karte non\u0101k raido\u0161\u0101s antenas darba zon\u0101, rodas induc\u0113t\u0101 str\u0101va, un radiofrekvences kartes ieg\u016bt\u0101 ener\u0123ija tiek aktiviz\u0113ta; radiofrekvences karte nos\u016bta savu kod\u0113jumu un citu inform\u0101ciju caur kart\u0113 ieb\u016bv\u0113to raido\u0161o antenu; sist\u0113mas uztv\u0113r\u0113ja antena sa\u0146em no radiofrekvences kartes s\u016bt\u012bto nes\u0113jign\u0101lu, kas caur antenas regulatoru tiek p\u0101rraid\u012bts uz las\u012bt\u0101ju. Las\u012bt\u0101js demodul\u0113 un dekod\u0113 sa\u0146emto sign\u0101lu un p\u0113c tam nos\u016bta to galvenajai sist\u0113mai atbilsto\u0161ai apstr\u0101dei. Galven\u0101 sist\u0113ma nov\u0113rt\u0113 kartes le\u0123itimit\u0101ti, pamatojoties uz lo\u0123isk\u0101m oper\u0101cij\u0101m, veic atbilsto\u0161u apstr\u0101di un kontroli da\u017e\u0101diem iestat\u012bjumiem un nos\u016bta komandu sign\u0101lus, lai kontrol\u0113tu izpildmeh\u0101nisma darb\u012bbu.<\/p>\n

Da\u017e\u0101d\u0101m bezkontakta p\u0101rraides metod\u0113m ir b\u016btiskas at\u0161\u0137ir\u012bbas attiec\u012bb\u0101 uz savieno\u0161anas metodi (induktivit\u0101tes elektromagn\u0113tisk\u0101), komunik\u0101cijas procesu (FDX, HDX, SEQ), datu p\u0101rraides metodi no RF kartes uz nolas\u012bt\u0101ju (slodzes modul\u0101cija, pretpl\u016bsma, augstas k\u0101rtas harmonikas) un frekven\u010du diapazonu. Tom\u0113r visiem nolas\u012bt\u0101jiem ir l\u012bdz\u012bgi funkcion\u0101lie principi, k\u0101 ar\u012b to noteiktais dizains un konstrukcija. Visus nolas\u012bt\u0101jus var vienk\u0101r\u0161ot divos pamatmodu\u013cos: augstfrekvences saskarne un vad\u012bbas bloks. Augstfrekvences interfeiss ietver raid\u012bt\u0101ju un uztv\u0113r\u0113ju, un t\u0101 funkcijas ir \u0161\u0101das: \u0123ener\u0113t augstfrekvences p\u0101rraides jaudu, lai iedarbin\u0101tu RF karti un nodro\u0161in\u0101tu ener\u0123iju; modul\u0113t p\u0101rraides sign\u0101lu, lai p\u0101rraid\u012btu datus uz RF karti: sa\u0146emt un demodul\u0113t augstfrekvences sign\u0101lus no RF kartes. Da\u017e\u0101du RFID sist\u0113mu augstfrekvences saskarnes konstrukcij\u0101 ir da\u017eas at\u0161\u0137ir\u012bbas.<\/p>\n

Las\u012bt\u0101ja vad\u012bbas bloka funkcijas ir \u0161\u0101das: sazin\u0101ties ar lietojumprogrammat\u016bras sist\u0113mas programmat\u016bru un izpild\u012bt lietojumprogrammat\u016bras sist\u0113mas programmat\u016bras nos\u016bt\u012bt\u0101s komandas; kontrol\u0113t sakaru procesu ar RF karti (master-slave princips); kod\u0113t un dekod\u0113t sign\u0101lus. Da\u017e\u0101m speci\u0101l\u0101m sist\u0113m\u0101m ir papildu funkcijas, piem\u0113ram, prettrok\u0161\u0146a algoritmu \u012bsteno\u0161ana, datu \u0161ifr\u0113\u0161ana un at\u0161ifr\u0113\u0161ana, kas j\u0101p\u0101rraida starp RF karti un nolas\u012bt\u0101ju, un identit\u0101tes p\u0101rbaudes veik\u0161ana starp RF karti un nolas\u012bt\u0101ju.<\/p>\n

RFID sist\u0113mas las\u012b\u0161anas un rakst\u012b\u0161anas att\u0101lums ir b\u016btisks parametrs. Pa\u0161laik t\u0101lvad\u012bbas radiofrekven\u010du identifik\u0101cijas sist\u0113mu cena joproj\u0101m ir \u013coti d\u0101rga, t\u0101p\u0113c ir svar\u012bgi atrast veidus, k\u0101 uzlabot to las\u012b\u0161anas un rakst\u012b\u0161anas att\u0101lumu. Faktori, kas ietekm\u0113 RF kar\u0161u nolas\u012b\u0161anas un rakst\u012b\u0161anas att\u0101lumu, ir \u0161\u0101di: antenas darb\u012bbas frekvence, las\u012bt\u0101ja RF izejas jauda, las\u012bt\u0101ja uztver\u0161anas jut\u012bba, RF kartes ener\u0123ijas pat\u0113ri\u0146\u0161, antenas un rezonanses \u0137\u0113des O v\u0113rt\u012bba, antenas virziens, savienojuma pak\u0101pe starp las\u012bt\u0101ju un RF karti, k\u0101 ar\u012b pa\u0161as RF kartes ieg\u016bt\u0101 ener\u0123ija un ener\u0123ija, ko izmanto inform\u0101cijas p\u0101rraidei. Vairumam sist\u0113mu las\u012b\u0161anas att\u0101lums un rakst\u012b\u0161anas att\u0101lums ir at\u0161\u0137ir\u012bgs, un rakst\u012b\u0161anas att\u0101lums ir aptuveni 40% l\u012bdz 80% no las\u012b\u0161anas att\u0101luma.<\/p>\n

RFID tehnolo\u0123ija izmanto bezvadu radiofrekvenci, lai pan\u0101ktu bezkontakta divvirzienu datu p\u0101rraidi starp las\u012bt\u0101ju un RF karti, t\u0101d\u0113j\u0101di nodro\u0161inot m\u0113r\u0137a atpaz\u012b\u0161anu un datu apmai\u0146u. Sal\u012bdzin\u0101jum\u0101 ar tradicion\u0101lajiem sv\u012btrkodiem, magn\u0113tiskaj\u0101m kart\u0113m un IC kart\u0113m RF kart\u0113m ir bezkontakta, \u0101tras nolas\u012b\u0161anas \u012bpa\u0161\u012bbas, t\u0101s nenodilst, neietekm\u0113 apk\u0101rt\u0113j\u0101 vide, t\u0101m ir ilgs kalpo\u0161anas laiks un viegla lieto\u0161ana. Tai ir ar\u012b konfliktu nov\u0113r\u0161anas funkcija, un t\u0101 var apstr\u0101d\u0101t vair\u0101kas kartes vienlaic\u012bgi. \u0100rzem\u0113s radiofrekven\u010du identifik\u0101cijas tehnolo\u0123ija ir pla\u0161i izmantota daudz\u0101s jom\u0101s, piem\u0113ram, r\u016bpniec\u012bbas automatiz\u0101cij\u0101, tirdzniec\u012bbas automatiz\u0101cij\u0101 un transporta kontroles p\u0101rvald\u012bb\u0101.<\/p>\n

Saist\u012btie produkti<\/p>\n

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NTAG215 PVC tuk\u0161\u0101 karte<\/p>\n

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134,2 kHz W86 las\u012bt\u0101js<\/p>\n

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T5577 rfid tagu atsl\u0113gu pults<\/p>\n

<\/a>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

RFID (radiofrekven\u010du identifik\u0101cija) ir bezkontakta autom\u0101tisk\u0101s identifik\u0101cijas tehnolo\u0123ija, kas izmanto radiofrekven\u010du sign\u0101lu p\u0101rraides \u012bpa\u0161\u012bbas un to telpisko sasaisti, lai autom\u0101tiski identific\u0113tu stacion\u0101rus vai kust\u012bgus priek\u0161metus.<\/p>","protected":false},"author":1,"featured_media":4086,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[355],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.toptaggroup.com\/lv\/wp-json\/wp\/v2\/posts\/4005"}],"collection":[{"href":"https:\/\/www.toptaggroup.com\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.toptaggroup.com\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.toptaggroup.com\/lv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.toptaggroup.com\/lv\/wp-json\/wp\/v2\/comments?post=4005"}],"version-history":[{"count":0,"href":"https:\/\/www.toptaggroup.com\/lv\/wp-json\/wp\/v2\/posts\/4005\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.toptaggroup.com\/lv\/wp-json\/wp\/v2\/media\/4086"}],"wp:attachment":[{"href":"https:\/\/www.toptaggroup.com\/lv\/wp-json\/wp\/v2\/media?parent=4005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.toptaggroup.com\/lv\/wp-json\/wp\/v2\/categories?post=4005"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.toptaggroup.com\/lv\/wp-json\/wp\/v2\/tags?post=4005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}