{"id":3860,"date":"2025-08-28T14:43:33","date_gmt":"2025-08-28T12:43:33","guid":{"rendered":"https:\/\/rov-expert.fr\/?p=3860"},"modified":"2025-09-01T14:26:12","modified_gmt":"2025-09-01T12:26:12","slug":"glossari-de-sensors-subaquatics-dvl-sonar-gnss-rtk-etc","status":"publish","type":"post","link":"https:\/\/rov-expert.com\/ca\/lexique-des-capteurs-sous-marins-dvl-sonar-gnss-rtk-etc\/","title":{"rendered":"Glossari de sensors subaqu\u00e0tics (DVL, Sonar, GNSS RTK, etc.)"},"content":{"rendered":"<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Introducci\u00f3<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>La rob\u00f2tica marina i subaqu\u00e0tica es basa en una combinaci\u00f3 de tecnologies de navegaci\u00f3, detecci\u00f3 i mesura. Tant si es tracta de pilotar un <strong>ROV (Vehicle operat remotament)<\/strong>, A <strong>USV (Vehicle de superf\u00edcie no tripulat)<\/strong> o dur a terme una campanya <strong>batimetria<\/strong>, Els sensors s\u00f3n essencials. Tanmateix, entre els acr\u00f2nims (DVL, USBL, GNSS RTK\u2026) i la diversitat de solucions disponibles, \u00e9s f\u00e0cil perdre&#039;s.<\/p>\n\n\n\n<p>Aquest glossari us ajuda a comprendre els principals sensors submarins i la seva funci\u00f3, per tal de guiar millor les vostres decisions tecnol\u00f2giques.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">DVL \u2013 Registre de velocitat Doppler<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Definici\u00f3<\/h3>\n\n\n\n<p>A <strong>DVL (Registre de Velocitat Doppler)<\/strong> mesura la velocitat d&#039;un vehicle submar\u00ed respecte al fons mar\u00ed mitjan\u00e7ant l&#039;efecte Doppler.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00das<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Navegaci\u00f3 de precisi\u00f3 sense GPS.<\/li>\n\n\n\n<li>Estimaci\u00f3 de la posici\u00f3 relativa (Dead Reckoning).<\/li>\n\n\n\n<li>Mantenir una traject\u00f2ria estable per a un ROV.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Exemple concret<\/h3>\n\n\n\n<p>EL\/LA\/ELS\/LES <strong>Impact Subsea DVL A50<\/strong> est\u00e0 dissenyat per a vehicles lleugers com el BlueROV2. Compacte i potent, permet una navegaci\u00f3 submarina fiable fins a <strong>200 m de profunditat<\/strong>.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">S\u00f3nar<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Definici\u00f3<\/h3>\n\n\n\n<p>EL\/LA\/ELS\/LES <strong>sonar (navegaci\u00f3 i mesurament de dist\u00e0ncia sonora)<\/strong> utilitza ones sonores per detectar i visualitzar l&#039;entorn submar\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tipus principals<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sonar d&#039;escaneig lateral<\/strong> : cartografia del fons mar\u00ed i recerca de naufragis.<\/li>\n\n\n\n<li><strong>Sonar multifeix<\/strong> batimetria i cartografia 3D d&#039;alta resoluci\u00f3.<\/li>\n\n\n\n<li><strong>Sonar omnidireccional<\/strong> : observaci\u00f3 en temps real de les estructures i els entorns portuaris.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Exemple concret<\/h3>\n\n\n\n<p>A <strong>Cerulean Omniview 450<\/strong> Muntat en ROV, permet una vigil\u00e0ncia portu\u00e0ria efica\u00e7 fins i tot en aig\u00fces t\u00e8rboles.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">GNSS RTK \u2013 Cinem\u00e0tica en temps real<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Definici\u00f3<\/h3>\n\n\n\n<p>EL\/LA\/ELS\/LES <strong>GNSS RTK (Sistema Global de Navegaci\u00f3 per Sat\u00e8l\u00b7lit \u2013 Cinem\u00e0tica en Temps Real)<\/strong> proporciona una posici\u00f3 a nivell centim\u00e8tric en temps real mitjan\u00e7ant un senyal diferencial.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00das<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Posicionament en superf\u00edcie (USV, BlueBoat).<\/li>\n\n\n\n<li>Estudis batim\u00e8trics d&#039;alta precisi\u00f3.<\/li>\n\n\n\n<li>Sincronitzaci\u00f3 amb un sonar multifeix.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Exemple concret<\/h3>\n\n\n\n<p>A <strong>BlueBoat equipat amb GNSS RTK<\/strong> esdev\u00e9 una plataforma ideal per a la batimetria en ports i rius.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">USBL \u2013 L\u00ednia de base ultracurta<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Definici\u00f3<\/h3>\n\n\n\n<p>A <strong>USBL (l\u00ednia de base ultracurta)<\/strong> \u00e9s un sistema de localitzaci\u00f3 ac\u00fastica que mesura la posici\u00f3 d&#039;un transponedor submar\u00ed des d&#039;un vaixell o un dron de superf\u00edcie.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00das<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Seguiment en temps real d&#039;un ROV.<\/li>\n\n\n\n<li>Operacions a alta mar per a inspecci\u00f3 i elevaci\u00f3.<\/li>\n\n\n\n<li>Localitzaci\u00f3 d&#039;objectius o equips submergits.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Exemple concret<\/h3>\n\n\n\n<p>EL\/LA\/ELS\/LES <strong>USBL G2 connectat a l&#039;aigua<\/strong> es pot integrar en un USV o ROV per proporcionar un seguiment fiable, fins i tot en aig\u00fces profundes.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Alt\u00edmetre i ecosonda<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Definici\u00f3<\/h3>\n\n\n\n<p>A <strong>alt\u00edmetre<\/strong> mesura la dist\u00e0ncia entre un vehicle i el fons mar\u00ed o una estructura. <strong>ecosonda<\/strong> mesura la profunditat de l&#039;aigua per sota d&#039;un punt determinat.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00das<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mantenir una altitud constant.<\/li>\n\n\n\n<li>Prevenci\u00f3 de col\u00b7lisions amb el fons.<\/li>\n\n\n\n<li>Adquisici\u00f3 de dades batim\u00e8triques simples.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Exemple concret<\/h3>\n\n\n\n<p>L&#039;\u2019<strong>Impacte submar\u00ed ISA500<\/strong> combina un alt\u00edmetre d&#039;alta precisi\u00f3, una ecosonda i un AHRS en un \u00fanic sensor compacte.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Sensors ambientals<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>A m\u00e9s dels sensors de navegaci\u00f3, nombrosos instruments mesuren l&#039;estat del medi mar\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>CTD (Conductivitat \u2013 Temperatura \u2013 Profunditat)<\/strong> : utilitzat en oceanografia per caracteritzar l&#039;aigua.<\/li>\n\n\n\n<li><strong>Sensor d&#039;oxigen dissolt<\/strong> : monitoritzaci\u00f3 de la qualitat de l&#039;aigua en aq\u00fcicultura i recerca cient\u00edfica.<\/li>\n\n\n\n<li><strong>Sensor de terbolesa<\/strong> : control de la claredat de l&#039;aigua, essencial per als estudis ambientals.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Exemple concret<\/h3>\n\n\n\n<p>A <strong>ROV equipat amb un sensor CTD i un sensor d&#039;oxigen<\/strong> s&#039;utilitza per controlar la qualitat de l&#039;aigua en una zona portu\u00e0ria o de preses.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusi\u00f3<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Els sensors subaqu\u00e0tics s\u00f3n el cor de la rob\u00f2tica marina: transformen un simple ROV o USV en un <strong>plataforma per obtenir dades precises i fiables<\/strong>.<\/p>\n\n\n\n<p>A casa de <strong>Expert en ROV<\/strong>, Integrem i distribu\u00efm una \u00e0mplia gamma de sensors: <strong>DVL, sonars, USBL, GNSS RTK, alt\u00edmetres, CTD<\/strong> i molts m\u00e9s. Tant si ets un\/a <strong>laboratori de recerca, empresa offshore o autoritat local<\/strong>, T&#039;ajudem a triar la soluci\u00f3 que millor s&#039;adapta a les teves missions.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" style=\"background-color:#183474\">Necessites un sensor subaqu\u00e0tic? Demana consell!<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction La robotique marine et sous-marine repose sur une combinaison de technologies de navigation, de d\u00e9tection et de mesure. Que ce soit pour piloter un ROV (Remotely Operated Vehicle), un USV (Unmanned Surface Vehicle) ou r\u00e9aliser une campagne de bathym\u00e9trie, les capteurs sont essentiels. Pourtant, entre les acronymes (DVL, USBL, GNSS RTK\u2026) et la diversit\u00e9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3863,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[189,190],"tags":[],"class_list":["post-3860","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tous","category-culture"],"_links":{"self":[{"href":"https:\/\/rov-expert.com\/ca\/wp-json\/wp\/v2\/posts\/3860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rov-expert.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rov-expert.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rov-expert.com\/ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rov-expert.com\/ca\/wp-json\/wp\/v2\/comments?post=3860"}],"version-history":[{"count":2,"href":"https:\/\/rov-expert.com\/ca\/wp-json\/wp\/v2\/posts\/3860\/revisions"}],"predecessor-version":[{"id":3865,"href":"https:\/\/rov-expert.com\/ca\/wp-json\/wp\/v2\/posts\/3860\/revisions\/3865"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rov-expert.com\/ca\/wp-json\/wp\/v2\/media\/3863"}],"wp:attachment":[{"href":"https:\/\/rov-expert.com\/ca\/wp-json\/wp\/v2\/media?parent=3860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rov-expert.com\/ca\/wp-json\/wp\/v2\/categories?post=3860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rov-expert.com\/ca\/wp-json\/wp\/v2\/tags?post=3860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}