{"id":20225,"date":"2023-11-29T14:49:36","date_gmt":"2023-11-29T13:49:36","guid":{"rendered":"https:\/\/www.md-elektronik.com\/?p=20225"},"modified":"2023-11-30T16:14:43","modified_gmt":"2023-11-30T15:14:43","slug":"vice-datovych-kabelu-a-vyssi-prenosove-rychlosti-palubni-sit-budoucnosti-ma-vysoke-pozadavky-na-prenos-dat-ve-vozidle","status":"publish","type":"post","link":"https:\/\/www.md-elektronik.com\/cs\/vice-datovych-kabelu-a-vyssi-prenosove-rychlosti-palubni-sit-budoucnosti-ma-vysoke-pozadavky-na-prenos-dat-ve-vozidle\/","title":{"rendered":"V\u00edce datov\u00fdch kabel\u016f a vy\u0161\u0161\u00ed p\u0159enosov\u00e9 rychlosti \u2013 palubn\u00ed s\u00ed\u0165 budoucnosti m\u00e1 vysok\u00e9 po\u017eadavky na p\u0159enos dat ve vozidle"},"content":{"rendered":"\n\t<div id=\"gap-1188829494\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1188829494 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<h2>P\u0159i pohledu na megatrendy v automobilov\u00e9m pr\u016fmyslu, jako je ADAS, autonomn\u00ed \u0159\u00edzen\u00ed nebo mobiln\u00ed kancel\u00e1\u0159, je z\u0159ejm\u00e9, \u017ee n\u00e1roky na v\u00fdkon palubn\u00ed s\u00edt\u011b v automobilech rostou. To m\u00e1 vliv na po\u017eadavky na rychlost p\u0159enosu dat, a tak\u00e9 na po\u010det pot\u0159ebn\u00fdch kabel\u016f, proto\u017ee ty mus\u00ed propojit pot\u0159ebn\u00e9 senzory, kamery, displeje a centr\u00e1ln\u00ed a z\u00f3nov\u00e9 po\u010d\u00edta\u010de. Aby bylo mo\u017en\u00e9 realizovat tato spojen\u00ed s odpov\u00eddaj\u00edc\u00edm v\u00fdkonem, vyvst\u00e1v\u00e1 ot\u00e1zka, jak vytvo\u0159it p\u0159enosov\u00fd kan\u00e1l, tak aby spl\u0148oval tyto po\u017eadavky.<\/h2>\n\t<div id=\"gap-659742895\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-659742895 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"message-box relative table-of-contents-message-box\" style=\"padding-top:30px;padding-bottom:30px;\"><div class=\"message-box-bg-image bg-fill fill\" ><\/div><div class=\"message-box-bg-overlay bg-fill fill\" ><\/div><div class=\"container relative\"><div class=\"inner last-reset\">\n\n<div class=\"row align-equal align-center\"  id=\"row-1521413561\">\n\n\n\t<div id=\"col-1024249774\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t<script type=\"text\/javascript\">\n\tvar dpc_lang = 'cs';\n\tvar dpc_current_language = 'cs';\n\tvar dpc_plugin_url = 'https:\/\/www.md-elektronik.com\/wp-content\/plugins\/delucks-seo';\n    var ajaxurl = 'https:\/\/www.md-elektronik.com\/wp-admin\/admin-ajax.php';\n<\/script>\n\n\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n<\/div><\/div><\/div>\n\t<div id=\"gap-1885527238\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1885527238 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<h3>Z datov\u00e9ho centra do vozidla<\/h3>\n<p>Ve v\u00fdpo\u010detn\u00edch centrech se ji\u017e dnes p\u0159en\u00e1\u0161ej\u00ed data rychlost\u00ed a\u017e 1 Tbit\/s. To je ale mo\u017en\u00e9, proto\u017ee v t\u011bchto budov\u00e1ch byly vytvo\u0159eny ide\u00e1ln\u00ed podm\u00ednky. Pro p\u0159enos vysok\u00fdch rychlost\u00ed p\u0159enosu dat ve vozidlech je t\u0159eba vyvinout nov\u00e1, robustn\u011bj\u0161\u00ed \u0159e\u0161en\u00ed, kter\u00e1 vydr\u017e\u00ed i tyto n\u00e1ro\u010dn\u011bj\u0161\u00ed podm\u00ednky. V automobilov\u00e9m pr\u016fmyslu byla pro tento \u00fa\u010del nejd\u0159\u00edve vybr\u00e1na technologie Ethernet, kter\u00e1 se v modifikovan\u00e9 podob\u011b pou\u017e\u00edv\u00e1 jako dvouvodi\u010dov\u00e1 technologie (elektrick\u00fd m\u011bd\u011bn\u00fd kabel). Optimalizac\u00ed \u010dipu, konektor\u016f a kabel\u016f bude v budoucnu mo\u017en\u00e9 p\u0159en\u00e1\u0161et data rychlost\u00ed a\u017e 25 GBit\/s. Osv\u011bd\u010dil se i optick\u00fd p\u0159enos dat, nap\u0159\u00edklad ve v\u00fdpo\u010detn\u00edch centrech. V budoucnu bude k dispozici i pro aplikaci v automobilov\u00e9m pr\u016fmyslu.<\/p>\n<h3>Vznik standard\u016f a specifikac\u00ed pro automobilov\u00fd pr\u016fmysl<\/h3>\n<p>Syst\u00e9my p\u0159enosu dat a p\u0159\u00edslu\u0161n\u00e9 specifikace pro automobilov\u00fd pr\u016fmysl jsou vyv\u00edjeny ve standardiza\u010dn\u00edch org\u00e1nech ve spolupr\u00e1ci s dodavateli automobilov\u00e9ho pr\u016fmyslu na \u00farovn\u00edch Tier a v\u00fdrobci \u010dip\u016f. Jednou ze zn\u00e1m\u00fdch organizac\u00ed je IEEE (Institute of Electrical and Electronics Engineers), kter\u00e1 se orientuje p\u0159edev\u0161\u00edm na pot\u0159eby budoucnosti. Automobilov\u00fd pr\u016fmysl s t\u00edmto org\u00e1nem spolupracuje st\u00e1le \u010dast\u011bji, proto\u017ee technologie, jako je Ethernet, se v modifikovan\u00e9 podob\u011b pou\u017e\u00edvaj\u00ed i v automobilech. Od zalo\u017een\u00ed pracovn\u00ed skupiny p\u0159es novou normu a\u017e po zah\u00e1jen\u00ed v\u00fdroby v re\u00e1ln\u00e9m provozu uplyne p\u0159ibli\u017en\u011b 6\u20138 let. P\u0159ehled norem podle v\u00fdbor\u016f IEEE a jejich sou\u010dasn\u00fd stav je uveden v n\u00e1sleduj\u00edc\u00ed tabulce.<\/p>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_503690812\">\n\t\t<a class=\"image-lightbox lightbox-gallery\" title=\"\" href=\"https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/table_overview_availability_automotive_ethernet.jpg\">\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"1440\" height=\"810\" src=\"https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/table_overview_availability_automotive_ethernet.jpg\" class=\"attachment-original size-original\" alt=\"\" srcset=\"https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/table_overview_availability_automotive_ethernet.jpg 1440w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/table_overview_availability_automotive_ethernet-300x169.jpg 300w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/table_overview_availability_automotive_ethernet-1024x576.jpg 1024w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/table_overview_availability_automotive_ethernet-768x432.jpg 768w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_503690812 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"gap-1570429169\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1570429169 {\n  padding-top: 15px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<p style=\"text-align: center;\"><span style=\"font-size: 80%;\">1) Zdroj: Matheus\/Kaindl. s.18<\/span><\/p>\n\t<div id=\"gap-1064692126\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1064692126 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<p>Z toho vypl\u00fdv\u00e1, \u017ee standard IEEE802.3ch specifikuje p\u0159enos dat m\u011bd\u011bn\u00fdm kabelem rychlost\u00ed a\u017e 10\u00a0GBit\/s, co\u017e umo\u017en\u00ed v\u00fdrobc\u016fm automobil\u016f zah\u00e1jit v\u00fdrobu od roku 2026. Na rozd\u00edl od klasick\u00fdch standard\u016f Ethernetu byl pro automobilov\u00fd pr\u016fmysl specifikov\u00e1n p\u0159enos dvouvodi\u010dov\u00fdm kabelem. Dokon\u010den\u00ed standardu pro p\u0159enos dat rychlost\u00ed a\u017e 25\u00a0GBit\/s (IEEE 802.3cy) je napl\u00e1nov\u00e1no na konec roku 2023, ale pl\u00e1novan\u00e9 zah\u00e1jen\u00ed v\u00fdroby je zat\u00edm otev\u0159en\u00e9. Standard zalo\u017een\u00fd na optick\u00fdch vl\u00e1knech s p\u0159enosovou rychlost\u00ed a\u017e 50\u00a0Gbit\/s byl p\u0159ijat na ja\u0159e 2023. V\u00fdvoj standardu pro fyzickou vrstvu byl v Open Alliance zah\u00e1jen v polovin\u011b roku.<\/p>\n<h3>Aplikace \u2013 K \u010demu pot\u0159ebuji 25 Gbit\/s nebo v\u00edc?<\/h3>\n<p>Nejvy\u0161\u0161\u00ed n\u00e1roky na st\u00e1le vy\u0161\u0161\u00ed p\u0159enosov\u00e9 rychlosti maj\u00ed video aplikace (kamery, displeje) a z\u00f3nov\u00e9 architektury. Pr\u00e1v\u011b v p\u0159\u00edpad\u011b displej\u016f ji\u017e existuj\u00ed podrobn\u00e9 vize a konkr\u00e9tn\u00ed mo\u017enosti pou\u017eit\u00ed. Po\u010det a rozli\u0161en\u00ed displej\u016f a kamer se v budoucnu v\u00fdrazn\u011b zv\u00fd\u0161\u00ed. Pokud bychom vzali v \u00favahu pouze displeje, mohl by tento po\u010det vzr\u016fst a\u017e na 6 kus\u016f. V autonomn\u00edch vozidlech by krom\u011b displeje \u0159idi\u010de, st\u0159edov\u00e9ho displeje a displeje pro cestuj\u00edc\u00ed mohlo b\u00fdt vzadu um\u00edst\u011bno n\u011bkolik dal\u0161\u00edch displej\u016f, kter\u00e9 by vytvo\u0159ily kancel\u00e1\u0159 na kolech. Ty mohou v p\u0159\u00edpad\u011b pot\u0159eby vyjet a kdy\u017e se nepou\u017e\u00edvaj\u00ed, lze je op\u011bt skr\u00fdt ve stropn\u00edm d\u00edlu. Zejm\u00e9na 8K displej vy\u017eaduje rychlost p\u0159enosu dat 25 GBit\/s i p\u0159i minim\u00e1ln\u00edm rozli\u0161en\u00ed. Ot\u00e1zkou jsou 3D displeje i head-up displeje s vysok\u00fdm rozli\u0161en\u00edm, kter\u00e9 lze tak\u00e9 flexibiln\u011b programovat a mohou slou\u017eit jako tachometr v retro stylu nebo jako klasick\u00fd head-up displej.<\/p>\n<p><br \/>Krom\u011b toho se pro autonomn\u00ed \u0159\u00edzen\u00ed pl\u00e1nuje integrace mnoha kamer, co\u017e rovn\u011b\u017e vy\u017eaduje p\u0159enos vysok\u00fdch rychlost\u00ed dat v re\u00e1ln\u00e9m \u010dase. Zat\u00edm ov\u0161em nen\u00ed zn\u00e1mo, kdy se tyto syst\u00e9my dostanou do s\u00e9riov\u00e9 v\u00fdroby. N\u00e1sleduj\u00edc\u00ed tabulka uv\u00e1d\u00ed mo\u017en\u00e9 rychlosti p\u0159enosu dat v z\u00e1vislosti na rozli\u0161en\u00ed displeje, kter\u00e9 lze pou\u017e\u00edt i pro kamerov\u00e9 aplikace (surov\u00e1 data).<\/p>\n<p>\u00a0<\/p>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1238072662\">\n\t\t<a class=\"image-lightbox lightbox-gallery\" title=\"\" href=\"https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/table_example_data_rates.jpg\">\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"1440\" height=\"810\" src=\"https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/table_example_data_rates.jpg\" class=\"attachment-original size-original\" alt=\"\" srcset=\"https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/table_example_data_rates.jpg 1440w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/table_example_data_rates-300x169.jpg 300w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/table_example_data_rates-1024x576.jpg 1024w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/table_example_data_rates-768x432.jpg 768w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1238072662 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n<p style=\"text-align: center;\"><span style=\"font-size: 80%;\">1) Zdroj: Matheus\/Kaindl. s. 28<\/span><\/p>\n\t<div id=\"gap-847516979\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-847516979 {\n  padding-top: 15px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<p>Na z\u00e1klad\u011b z\u00f3nov\u00e9 architektury, kter\u00e1 bude pou\u017eita v budouc\u00edch platform\u00e1ch vozidel v r\u00e1mci p\u0159\u00edpravy na autonomn\u00ed \u0159\u00edzen\u00ed, se po\u010det kabel\u016f v palubn\u00ed s\u00edti a ve vozidle zv\u00fd\u0161\u00ed v d\u016fsledku v\u00fdrazn\u00e9ho n\u00e1r\u016fstu po\u010dtu senzor\u016f a kamer. Vezmeme-li v \u00favahu nap\u0159\u00edklad vozidla s funkc\u00ed autonomn\u00edho \u0159\u00edzen\u00ed, m\u016f\u017ee po\u010det pot\u0159ebn\u00fdch senzor\u016f vzr\u016fst a\u017e na v\u00edce ne\u017e 100. D\u016fle\u017eit\u00fdm parametrem je v\u0161ak nejen po\u010det senzor\u016f, ale tak\u00e9 p\u0159enos dat v re\u00e1ln\u00e9m \u010dase, proto\u017ee vy\u0161\u0161\u00ed latence jsou pro autonomn\u00ed aplikace nep\u0159ijateln\u00e9. Dal\u0161\u00ed pozornost je v\u011bnov\u00e1na zpracov\u00e1n\u00ed videosign\u00e1l\u016f pro kamery a displeje, kter\u00e9 se v sou\u010dasnosti pou\u017e\u00edvaj\u00ed v kvalit\u011b HD, ale v budoucnu budou vy\u017eadov\u00e1ny ve v\u00fdrazn\u011b vy\u0161\u0161\u00edm rozli\u0161en\u00ed, aby bylo mo\u017en\u00e9 p\u0159esn\u011b rozpoznat \u00fa\u010dastn\u00edky silni\u010dn\u00edho provozu, p\u0159ek\u00e1\u017eky atd. Odborn\u00edci v p\u0159\u00edpad\u011b t\u011bchto aplikac\u00ed hovo\u0159\u00ed ji\u017e o rozli\u0161en\u00ed a\u017e 8K, co\u017e v\u00fdrazn\u011b zv\u00fd\u0161\u00ed rychlosti p\u0159enosu pot\u0159ebn\u00fdch dat. V z\u00e1vislosti na obnovovac\u00ed frekvenci se tato rychlost zvy\u0161uje a\u017e na v\u00edce ne\u017e 25\u00a0GBit\/s.<\/p>\n<p>Dal\u0161\u00edm aspektem, kter\u00fd souvis\u00ed s autonomn\u00edmi vozidly, je mo\u017enost vyvinout samostatn\u011b \u0159\u00edd\u00edc\u00ed kancel\u00e1\u0159, a tak\u00e9 realizovat rychl\u00e9 internetov\u00e9 p\u0159ipojen\u00ed pomoc\u00ed 5G nebo 6G. To tak\u00e9 p\u0159isp\u00edv\u00e1 k celkov\u00e9mu zv\u00fd\u0161en\u00ed rychlosti p\u0159enosu dat.<\/p>\n<p>Nap\u0159\u00edklad n\u011bmeck\u00fd Bundestag ji\u017e p\u0159ipravil cestu pro autonomn\u00ed \u0159\u00edzen\u00ed \u00farovn\u011b 4 p\u0159\u00edslu\u0161n\u00fdm z\u00e1konem v roce 2021. Pr\u016fkopn\u00edky t\u00e9to technologie budou p\u0159edev\u0161\u00edm luxusn\u00ed modely od renomovan\u00fdch v\u00fdrobc\u016f automobil\u016f. <\/p>\n<h3>Technick\u00e1 \u0159e\u0161en\u00ed p\u0159enosov\u00e9 rychlosti 25 GBit\/s<\/h3>\n<p>Existuj\u00ed dva zp\u016fsoby p\u0159enosu dat rychlost\u00ed 25\u00a0GBit\/s, jeden prost\u0159ednictv\u00edm m\u011bd\u011bn\u00fdch kabel\u016f, druh\u00fd prost\u0159ednictv\u00edm kabel\u016f optick\u00fdch.<\/p>\n<p>Sou\u010dasn\u00e9 a dostupn\u00e9 p\u0159enosov\u00e9 syst\u00e9my Ethernet vyu\u017e\u00edvaj\u00ed m\u011bd\u011bn\u00e9 konektorov\u00e9 syst\u00e9my, kter\u00e9 budou v budoucnu schopny p\u0159en\u00e1\u0161et data rychlost\u00ed a\u017e 25\u00a0Gbit\/s pomoc\u00ed datov\u00e9ho p\u00e1ru (special bulk stock). Existuj\u00ed r\u016fzn\u00e9 druhy kabel\u016f s m\u011bd\u011bn\u00fdmi vodi\u010di, nap\u0159\u00edklad st\u00edn\u011bn\u00fd kroucen\u00fd p\u00e1r (STP) a st\u00edn\u011bn\u00fd paraleln\u00ed p\u00e1r (SPP). Tyto dv\u011b \u0159ady se li\u0161\u00ed sv\u00fdm konstruk\u010dn\u00edm \u0159e\u0161en\u00edm.<\/p>\n<p>Ve st\u00edn\u011bn\u00e9m kroucen\u00e9m p\u00e1ru je p\u00e1r vodi\u010d\u016f sto\u010den k sob\u011b v ur\u010dit\u00e9 vzd\u00e1lenosti a obklopen st\u00edn\u011bn\u00edm.<\/p>\n<p>U paraleln\u00edho p\u00e1rov\u00e9ho kabelu je dvojice vodi\u010d\u016f vedena paraleln\u011b po co nejdel\u0161\u00ed dobu. P\u0159i tomto nastaven\u00ed je mo\u017en\u00e9 pokr\u00fdt vy\u0161\u0161\u00ed frekven\u010dn\u00ed p\u00e1smo, aby se takzvan\u00e9 \u201esuck-out\u201c efekty (nap\u0159\u00edklad pokles\/skok ve vlo\u017en\u00e9m \u00fatlumu na ur\u010dit\u00fdch frekvenc\u00edch) p\u0159esunuly do co nejvy\u0161\u0161\u00edho frekven\u010dn\u00edho rozsahu. Pokud se to poda\u0159\u00ed, lze realizovat p\u0159enos rychlost\u00ed 25\u00a0GBit\/s. Tento typ kabelu v sou\u010dasn\u00e9 dob\u011b potenci\u00e1ln\u00ed v\u00fdrobci st\u00e1le vyv\u00edjej\u00ed.<\/p>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_710877307\">\n\t\t<a class=\"image-lightbox lightbox-gallery\" title=\"\" href=\"https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/principle-comparison_of_suck_outs_stp_spp.jpg\">\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"1440\" height=\"931\" src=\"https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/principle-comparison_of_suck_outs_stp_spp.jpg\" class=\"attachment-original size-original\" alt=\"\" srcset=\"https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/principle-comparison_of_suck_outs_stp_spp.jpg 1440w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/principle-comparison_of_suck_outs_stp_spp-300x194.jpg 300w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/principle-comparison_of_suck_outs_stp_spp-1024x662.jpg 1024w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/11\/principle-comparison_of_suck_outs_stp_spp-768x497.jpg 768w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_710877307 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n<p style=\"text-align: center;\"><span style=\"font-size: 80%;\">1) Zdroj: Matheus\/Kaindl. s.143<\/span><\/p>\n<p>Krom\u011b kabelu s m\u011bd\u011bn\u00fdm vodi\u010dem je mo\u017en\u00e9 dos\u00e1hnout rychlosti p\u0159enosu dat a\u017e 50\u00a0Gbit\/s tak\u00e9 pomoc\u00ed kabelu z optick\u00fdch vl\u00e1ken. V\u00fdvoj transceivr\u016f a p\u0159\u00edslu\u0161n\u00fdch konektor\u016f a kabel\u016f je v sou\u010dasn\u00e9 dob\u011b v pln\u00e9m proudu. Standardizovan\u00e9 rozhran\u00ed s konektory v\u0161ak dosud nebylo definov\u00e1no.<\/p>\n<h3>V\u00fdhody, nev\u00fdhody a technick\u00e9 p\u0159ek\u00e1\u017eky r\u016fzn\u00fdch \u0159e\u0161en\u00ed<\/h3>\n<p>V\u00fdhodou syst\u00e9m\u016f zalo\u017een\u00fdch na m\u011bdi jsou standardn\u00ed rozhran\u00ed Ethernet, kter\u00e1 jsou ji\u017e definov\u00e1na v automobilov\u00e9m prost\u0159ed\u00ed a umo\u017e\u0148uj\u00ed rychlost a\u017e 25\u00a0GBit\/s. Z\u00e1kladem jsou speci\u00e1ln\u00ed kabely, u nich\u017e je ale t\u0159eba pe\u010dliv\u011b zv\u00e1\u017eit manipulaci z hlediska d\u00e9lky, polom\u011br\u016f ohybu atd. P\u0159i bli\u017e\u0161\u00edm pohledu na normu pro p\u0159enosovou rychlost 25\u00a0Gbit\/s zjist\u00edme, \u017ee p\u0159enosov\u00e1 rychlost nad 25\u00a0Gbit\/s vy\u017eaduje pou\u017eit\u00ed dvou kabelov\u00fdch vl\u00e1ken, co\u017e se v odborn\u00fdch kruz\u00edch ozna\u010duje jako \u201emultilaning\u201c. Mezin\u00e1rodn\u00ed v\u00fdbor pro specifikaci p\u0159enosu dat IEEE zalo\u017eil pracovn\u00ed skupinu IEEE 802.3cy pro p\u0159enos rychlost\u00ed 25\u00a0GBit\/s v automobilov\u00e9m pr\u016fmyslu. Tento v\u00fdbor spolupracuje na specifikaci p\u0159enosov\u00e9ho kan\u00e1lu se spole\u010dnostmi z oboru. Vzhledem k fyzik\u00e1ln\u00edm limit\u016fm p\u0159enosu dat na b\u00e1zi m\u011bdi je nutn\u00e9 omezit d\u00e9lku kabel\u016f na maxim\u00e1ln\u00ed definovanou d\u00e9lku 11\u00a0metr\u016f se 2 inline spojen\u00edmi. T\u00edm se li\u0161\u00ed od p\u0159edchoz\u00edho standardu IEEE 802.3ch, ve kter\u00e9m byl p\u0159enosov\u00fd kan\u00e1l specifikov\u00e1n na 15\u00a0metr\u016f a 4 inline spojen\u00ed. Krom\u011b toho je t\u0159eba vz\u00edt v \u00favahu ru\u0161iv\u00e9 vlivy, jako jsou elektromagnetick\u00e1 kompatibilita a zemn\u00ed smy\u010dky, a pomoc\u00ed vhodn\u00fdch \u0159e\u0161en\u00ed je omezit nebo jim zabr\u00e1nit \u00fapln\u011b.<\/p>\n<p>Na druh\u00e9 stran\u011b existuje optick\u00fd p\u0159enos dat prost\u0159ednictv\u00edm optick\u00fdch vl\u00e1ken, kter\u00fd lze pou\u017e\u00edt pro vy\u0161\u0161\u00ed p\u0159enosov\u00e9 rychlosti dat ne\u017e 50\u00a0Gbit\/s jedn\u00edm kabelem. Pro optick\u00fd p\u0159enos dat z\u0159\u00eddila organizace IEEE pracovn\u00ed skupinu IEEE802.3cz, kter\u00e1 pro p\u0159enosov\u00fd kan\u00e1l stanovuje maxim\u00e1ln\u00ed d\u00e9lku kabelu. D\u00e9lka m\u016f\u017ee b\u00fdt maxim\u00e1ln\u011b 40\u00a0metr\u016f a s 4 inline spojen\u00edmi. Optick\u00e1 \u0159e\u0161en\u00ed maj\u00ed st\u00e1le negativn\u00ed image z dob technologi\u00ed polymerov\u00fdch optick\u00fdch vl\u00e1ken (POF), proto\u017ee manipulace s nimi m\u016f\u017ee b\u00fdt \u00fadajn\u011b problematick\u00e1 kv\u016fli polom\u011br\u016fm ohybu. Pro spln\u011bn\u00ed vysok\u00fdch n\u00e1rok\u016f na optick\u00fd p\u0159enos multigigabitov\u00fdmi rychlostmi je proto dnes nutn\u00e9 pou\u017e\u00edt technologii optick\u00fdch vl\u00e1ken, kter\u00e1 umo\u017e\u0148uj\u00ed velmi mal\u00e9 polom\u011bry ohybu a maj\u00ed vysokou mechanickou pevnost. Vzhledem k tomu, \u017ee syst\u00e9m p\u0159enosu je st\u00e1le ve f\u00e1zi v\u00fdvoje, jsou i p\u0159\u00edslu\u0161n\u00e9 konektory a kabely st\u00e1le ve f\u00e1zi v\u00fdvoje, ale dosavadn\u00ed v\u00fdsledky jsou velmi slibn\u00e9.<\/p>\n<h3><strong>Jak\u00e9 d\u016fsledky to m\u00e1 pro palubn\u00ed s\u00ed\u0165 budoucnosti?<\/strong><\/h3>\n<p>Pokud vezmeme v \u00favahu v\u0161echny tyto vlivy, je z\u0159ejm\u00e9, \u017ee palubn\u00ed syst\u00e9m vozidla budoucnosti se bude muset zm\u011bnit, proto\u017ee tak velk\u00e9 mno\u017estv\u00ed spojen\u00ed k aplikac\u00edm (senzory, displeje, kamery atd.) nelze do vozidla nyn\u00ed um\u00edstit. \u0158ada pracovn\u00edch skupin, kter\u00e9 se t\u00edmto t\u00e9matem zab\u00fdvaly, dosp\u011bla k z\u00e1v\u011bru, \u017ee po\u010det jednotliv\u00fdch \u0159\u00eddic\u00edch jednotek mus\u00ed b\u00fdt drasticky sn\u00ed\u017een a \u017ee v d\u016fsledku toho bude zavedena tzv. z\u00f3nov\u00e1 architektura. To m\u00e1 zna\u010dn\u00fd vliv na mno\u017estv\u00ed, d\u00e9lku a v\u00fdkon kabel\u016f v elektrick\u00e9m syst\u00e9mu vozidla.<\/p>\n<h3><strong>Jak se MD p\u0159ipravuje na tento v\u00fdvoj?<\/strong><\/h3>\n<p>Spole\u010dnost MD ELEKTRONIK se ji\u017e mnoho let zab\u00fdv\u00e1 inovativn\u00edmi technologiemi a pracuje na v\u00fdvoji vhodn\u00fdch konektor\u016f a kabel\u016f pro tyto nov\u00e9 po\u017eadavky. Za t\u00edmto \u00fa\u010delem se zintenziv\u0148uje spolupr\u00e1ce s partnery z \u010dipov\u00e9ho pr\u016fmyslu a intenzivn\u00ed spolupr\u00e1ce s dodavateli kategorie Tier 1 s c\u00edlem p\u0159izp\u016fsobit technologie budoucnosti jejich po\u017eadavk\u016fm. Krom\u011b toho MD vyv\u00edj\u00ed a realizuje vlastn\u00ed v\u00fdrobn\u00ed procesy a technologie, aby zajistila pot\u0159ebnou flexibilitu, p\u0159esnost a vysok\u00e9 objemy produkce ve sv\u00fdch glob\u00e1ln\u00edch v\u00fdrobn\u00edch z\u00e1vodech.<\/p>\n<h3>Shrnut\u00ed a z\u00e1v\u011br: Se zaveden\u00fdmi technologiemi a\u017e do rychlosti 25 GBit\/s a dal\u0161\u00edmi nov\u00fdmi inovacemi<\/h3>\n<p>Aplikace pro p\u0159enos dat rychlost\u00ed vy\u0161\u0161\u00ed ne\u017e 25 GBit\/s se ji\u017e vyv\u00edjej\u00ed nebo se chystaj\u00ed k uveden\u00ed na trh. V prvn\u00edm p\u0159\u00edpad\u011b se pro tyto aplikace po\u010d\u00edt\u00e1 s \u0159e\u0161en\u00edmi na b\u00e1zi m\u011bdi, kter\u00e1 jsou ji\u017e \u0161iroce dostupn\u00e1 a obecn\u011b vhodn\u00e1 pro pou\u017eit\u00ed a\u017e do rychlosti 25 Gbit\/s. V z\u00e1vislosti na aplikaci je vhodn\u00e9 pe\u010dliv\u011b ov\u011b\u0159it, zda je lze pou\u017e\u00edt pro kritick\u00e9 aplikace, jako jsou oblasti EMC. Pokud je rychlost p\u0159enosu dat vy\u0161\u0161\u00ed ne\u017e 25 GBit\/s, je nutn\u00e9 ov\u011b\u0159it, zda m\u00e1 smysl pou\u017e\u00edt alternativn\u00ed zp\u016fsob p\u0159enosu.<br \/>Jednou z alternativ je nap\u0159\u00edklad optick\u00fd p\u0159enos dat, kter\u00fd nab\u00edz\u00ed mnoho v\u00fdznamn\u00fdch v\u00fdhod v kritick\u00fdch prost\u0159ed\u00edch vozidel, ale jeho\u017e technologie mus\u00ed b\u00fdt teprve vyvinuta do f\u00e1ze, kdy bude schopna s\u00e9riov\u00e9 v\u00fdroby. Spole\u010dnost MD ELEKTRONIK intenzivn\u011b pracuje na technologi\u00edch budoucnosti, aby byla schopna nab\u00eddnout spr\u00e1vn\u00e9 \u0159e\u0161en\u00ed.<\/p>\n<p>Proto\u017ee je \u010dasto obt\u00ed\u017en\u00e9 rozpoznat v\u00fdhody a nev\u00fdhody jednotliv\u00fdch p\u0159enosov\u00fdch syst\u00e9m\u016f a v z\u00e1vislosti na aplikaci lze uva\u017eovat o r\u016fzn\u00fdch technologi\u00edch, r\u00e1di v\u00e1m nab\u00eddneme osobn\u00ed poradenstv\u00ed pro va\u0161i aplikaci.<\/p>\n<p>Pro v\u00edce informac\u00ed kontaktujte n\u00e1\u0161 prodejn\u00ed t\u00fdm!<\/p>\n<div class=\"message-box relative\" style=\"padding-top:30px;padding-bottom:30px;\"><div class=\"message-box-bg-image bg-fill fill\" ><\/div><div class=\"message-box-bg-overlay bg-fill fill\" style=\"background-color:rgb(245, 245, 247);\"><\/div><div class=\"container relative\"><div class=\"inner last-reset\">\n\n<div class=\"row align-equal align-center\"  id=\"row-757392612\">\n\n\n\t<div id=\"col-1653790643\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"gap-1122237958\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1122237958 {\n  padding-top: 10px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1837764848\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/Helmut_Pritz_Web_2026_3_2.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/Helmut_Pritz_Web_2026_3_2.jpg 800w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/Helmut_Pritz_Web_2026_3_2-300x300.jpg 300w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/Helmut_Pritz_Web_2026_3_2-150x150.jpg 150w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/Helmut_Pritz_Web_2026_3_2-768x768.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1837764848 {\n  width: 99%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1736185783\" class=\"col medium-9 small-12 large-9\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p><span style=\"font-size: 130%;\"><strong>Helmut Pritz<\/strong><\/span><\/p>\n<p>Helmut Pritz je produktov\u00fdm mana\u017eerem pro p\u0159enos dat prost\u0159ednictv\u00edm optick\u00fdch vl\u00e1ken a Multi Hybrid Connectors ve spole\u010dnosti MD ELEKTRONIK. S v\u00edce ne\u017e 25 lety zku\u0161enost\u00ed v automobilov\u00e9m pr\u016fmyslu disponuje rozs\u00e1hlou odbornost\u00ed v oblasti prosazov\u00e1n\u00ed t\u011bchto perspektivn\u00edch technologi\u00ed. Jeho posl\u00e1n\u00edm je vyv\u00edjet ve spolupr\u00e1ci se z\u00e1kazn\u00edky, startupy, v\u00fdrobci \u0159\u00eddic\u00edch jednotek a dodavateli inovativn\u00ed \u0159e\u0161en\u00ed pro automobilov\u00fd pr\u016fmysl.<\/p>\n<p>Po p\u016fsoben\u00ed na pozici projektov\u00e9ho mana\u017eera, kde byl odpov\u011bdn\u00fd za v\u00fdvoj z\u00e1suvn\u00fdch komponent a souvisej\u00edc\u00edch automatiza\u010dn\u00edch syst\u00e9m\u016f, p\u0159evzal n\u00e1sledn\u011b roli Manager Development RF Technology a vybudoval v\u00fdvojov\u00e9 odd\u011blen\u00ed zam\u011b\u0159en\u00e9 p\u0159edev\u0161\u00edm na vysokofrekven\u010dn\u00ed techniku.<\/p>\n<p>D\u00edky sv\u00e9 glob\u00e1ln\u00ed s\u00edti z\u00e1kazn\u00edk\u016f, dodavatel\u016f a partner\u016f iniciuje mezioborovou spolupr\u00e1ci p\u0159i v\u00fdvoji nov\u00fdch technologi\u00ed a \u0159e\u0161en\u00ed v oblasti vysokorychlostn\u00edho p\u0159enosu dat.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\n<style>\n#row-757392612 > .col > .col-inner {\n  padding: 0 0px 0px 0px;\n}\n<\/style>\n<\/div>\n\n<\/div><\/div><\/div>\n\n\t<div id=\"gap-2108376223\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-2108376223 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"message-box relative\" style=\"padding-top:30px;padding-bottom:30px;\"><div class=\"message-box-bg-image bg-fill fill\" ><\/div><div class=\"message-box-bg-overlay bg-fill fill\" style=\"background-color:rgb(245, 245, 247);\"><\/div><div class=\"container relative\"><div class=\"inner last-reset\">\n\n<div class=\"row align-equal align-center\"  id=\"row-927012544\">\n\n\n\t<div id=\"col-23906057\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"gap-1628727755\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1628727755 {\n  padding-top: 10px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1174501780\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"1020\" height=\"1020\" src=\"https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/DSC00539-Hartl-Tobias-high_qudr-1024x1024.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/DSC00539-Hartl-Tobias-high_qudr-1024x1024.jpg 1024w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/DSC00539-Hartl-Tobias-high_qudr-300x300.jpg 300w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/DSC00539-Hartl-Tobias-high_qudr-150x150.jpg 150w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/DSC00539-Hartl-Tobias-high_qudr-768x768.jpg 768w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/DSC00539-Hartl-Tobias-high_qudr.jpg 1440w\" sizes=\"(max-width: 1020px) 100vw, 1020px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1174501780 {\n  width: 99%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1478333475\" class=\"col medium-9 small-12 large-9\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p><span style=\"font-size: 130%;\"><strong>Tobias Hartl <\/strong><\/span><\/p>\n<p>Tobias Hartl je sou\u010d\u00e1st\u00ed technick\u00e9ho produktov\u00e9ho managementu v oblasti Multi Core Cables a ve spole\u010dnosti MD pracuje ji\u017e od roku 2019. Svou kari\u00e9ru zde zah\u00e1jil jako aplika\u010dn\u00ed in\u017een\u00fdr pro mezin\u00e1rodn\u00ed z\u00e1kazn\u00edky. P\u0159ed n\u00e1stupem do MD z\u00edsk\u00e1val \u0161est let cenn\u00e9 zku\u0161enosti v oboru mobile media headunit, kter\u00e9 \u00fasp\u011b\u0161n\u011b uplat\u0148uje ve sv\u00e9 ka\u017edodenn\u00ed pr\u00e1ci. Pro Tobiase je velmi motivuj\u00edc\u00ed kontakt s glob\u00e1ln\u00edmi z\u00e1kazn\u00edky a zav\u00e1d\u011bn\u00ed nov\u00fdch technologi\u00ed ve spolupr\u00e1ci s mezin\u00e1rodn\u00edm t\u00fdmem.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\n<style>\n#row-927012544 > .col > .col-inner {\n  padding: 0 0px 0px 0px;\n}\n<\/style>\n<\/div>\n\n<\/div><\/div><\/div>\n\n\t<div id=\"gap-374020702\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-374020702 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<p><span style=\"font-size: 80%;\">Zdroje:<\/span><\/p>\n<p><span style=\"font-size: 80%;\">1) Matheus, K.\/Kaindl, M. (2023): Automotive High Speed Communication Technologies. M\u00fcnchen: Hanser Verlag.<\/span><\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>\u25baStandardy a specifikace\u25baTechnologie\u25baAplikace \u25baZ\u00f3nov\u00e1 architektura\u25baInovace pro vy\u0161\u0161\u00ed p\u0159enosov\u00e9 rychlosti<\/p>\n","protected":false},"author":33,"featured_media":20207,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[94],"tags":[],"class_list":["post-20225","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-cs"],"_links":{"self":[{"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/posts\/20225","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/users\/33"}],"replies":[{"embeddable":true,"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/comments?post=20225"}],"version-history":[{"count":3,"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/posts\/20225\/revisions"}],"predecessor-version":[{"id":20272,"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/posts\/20225\/revisions\/20272"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/media\/20207"}],"wp:attachment":[{"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/media?parent=20225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/categories?post=20225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/tags?post=20225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}