{"id":11778,"date":"2023-02-27T15:45:45","date_gmt":"2023-02-27T14:45:45","guid":{"rendered":"https:\/\/tiepoint.sites.mentorkit.dev\/?p=11778"},"modified":"2026-04-13T16:10:24","modified_gmt":"2026-04-13T14:10:24","slug":"mit-toroidal","status":"publish","type":"post","link":"https:\/\/tiepoint.no\/no\/mit-toroidal\/","title":{"rendered":"Forskere fra MIT har funnet at toroidpropeller  reduserer lydniv\u00e5et fra droner betydelig"},"content":{"rendered":"<div class=\"wp-block-post-date\"><time datetime=\"2023-02-27T15:45:45+01:00\">27. februar 2023<\/time><\/div>\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-post-author\"><div class=\"wp-block-post-author__avatar\"><img alt='' src='https:\/\/secure.gravatar.com\/avatar\/d604322c27e7e239a4af034b02bfd4b28c1e27891a7955057cd5be107d764b67?s=48&#038;d=retro&#038;r=g' srcset='https:\/\/secure.gravatar.com\/avatar\/d604322c27e7e239a4af034b02bfd4b28c1e27891a7955057cd5be107d764b67?s=96&#038;d=retro&#038;r=g 2x' class='avatar avatar-48 photo' height='48' width='48' \/><\/div><div class=\"wp-block-post-author__content\"><p class=\"wp-block-post-author__byline\">Skrevet av<\/p><p class=\"wp-block-post-author__name\">Magnus Lauten<\/p><\/div><\/div>\n\n\n<h2 class=\"wp-block-heading\">Kan toroidpropeller gj\u00f8re det enklere \u00e5 ta i bruk droner for offentlige tjenester?<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\"Reduserte lydniv\u00e5er gjorde det mulig for droner med toroidpropeller \u00e5 operere uten \u00e5 belaste menneskets h\u00f8rsel p\u00e5 en avstand som var halvparten s\u00e5 lang som ved vanlig drift.\"<\/em> <\/p>\n<cite>- <em><a href=\"https:\/\/www.ll.mit.edu\/doc\/toroidal-propeller\" data-type=\"URL\" data-id=\"https:\/\/www.ll.mit.edu\/doc\/toroidal-propeller\" target=\"_blank\" rel=\"noreferrer noopener\">MIT Lincoln Laboratory | Innovasjonsh\u00f8ydepunkt<\/a><\/em><\/cite><\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/BW_toroid_Wide-1024x576.png\" alt=\"\" class=\"wp-image-11782\" srcset=\"https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/BW_toroid_Wide-1024x576.png 1024w, https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/BW_toroid_Wide-300x169.png 300w, https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/BW_toroid_Wide-768x432.png 768w, https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/BW_toroid_Wide-1536x864.png 1536w, https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/BW_toroid_Wide-18x10.png 18w, https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/BW_toroid_Wide.png 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>MIT designet og testet 3D-printede toroidformede propeller p\u00e5 en kommersiell drone for \u00e5 sjekke st\u00f8yniv\u00e5er.<\/em> <strong>Bilde:<\/strong> <a rel=\"noreferrer noopener\" href=\"https:\/\/www.ll.mit.edu\/news\/six-lincoln-laboratory-inventions-win-rd-100-awards\" target=\"_blank\">MIT EDU<\/a><\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p>Helt siden droner dukket opp i det kommersielle markedet, har ambisjonene for storskalabruk presset den teknologiske utviklingen fremover. Hovedkomponentene har hatt en rivende utvikling, som forbedret batterikapasitet, bedre GPS-n\u00f8yaktighet og funksjonalitet, avanserte sensorsystemer for \u00e5 unng\u00e5 hindringer samt avanserte bildesensorer for termisk og multispektral fotografering.<\/p>\n\n\n\n<p>Toroidpropeller beviser at det fortsatt er mulighet for ytterligere utvikling mot en fremtid der droner er en del av hverdagen. <strong>Se videoen fra Lincoln Laboratory her:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Den toroidale propellen, en av Lab&#039;s <a href=\"https:\/\/twitter.com\/RD100Awards?ref_src=twsrc%5Etfw\">@RD100Awards<\/a> har en unik, lukket propellkonstruksjon som gj\u00f8r den til et betydelig mer stilleg\u00e5ende alternativ til vanlige multirotorpropeller p\u00e5 kommersielle ubemannede luftfart\u00f8yer. <a href=\"https:\/\/t.co\/hgda3NgYIz\">https:\/\/t.co\/hgda3NgYIz<\/a> <a href=\"https:\/\/t.co\/5XkIxNVPHd\">pic.twitter.com\/5XkIxNVPHd<\/a><\/p>- Lincoln Laboratory (@MITLL) <a href=\"https:\/\/twitter.com\/MITLL\/status\/1611438712683958306?ref_src=twsrc%5Etfw\">6. januar 2023<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>En av de store utfordringene med kommersielle droner er akustisk st\u00f8y. <a rel=\"noreferrer noopener\" href=\"https:\/\/ntrs.nasa.gov\/citations\/20170005870\" target=\"_blank\"><mark class=\"has-inline-color has-vivid-cyan-blue-color\">Forskning utf\u00f8rt av NASA<\/mark><\/a> viser at dronest\u00f8y er den mest irriterende typen st\u00f8y fra noe kj\u00f8ret\u00f8y for et menneske. Ved \u00e5 skape irritasjon blant publikum vil dette kunne hindre droner i \u00e5 bli benyttet til offentlige tjenester slik som leveranser i befolkede omr\u00e5der. Selv om produsentene har kommet langt med \u00e5 fjerne h\u00f8yfrekvent st\u00f8y ved bruk av f.eks DJIs Low-Noise Propeller p\u00e5 Mavic- og Phantomserien, er det fremdeles muligheter for store forbedringer. <a rel=\"noreferrer noopener\" href=\"https:\/\/ntrs.nasa.gov\/citations\/20170005870\" target=\"_blank\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">.<\/mark><\/a>.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"336\" src=\"https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/Audio_Spectrum-1024x336.png\" alt=\"\" class=\"wp-image-11805\" srcset=\"https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/Audio_Spectrum-1024x336.png 1024w, https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/Audio_Spectrum-300x98.png 300w, https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/Audio_Spectrum-768x252.png 768w, https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/Audio_Spectrum-18x6.png 18w, https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/Audio_Spectrum.png 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>En sammenligning mellom standard DJI-propeller (a) og det toroidformede propelldesignet fra MIT (b), som viser en stor st\u00f8yreduksjon i de frekvensene som er mest sensitive i menneskelig h\u00f8rsel.<\/em> <strong>Bilde:<\/strong> <a rel=\"noreferrer noopener\" href=\"https:\/\/www.ll.mit.edu\/doc\/toroidal-propeller\" target=\"_blank\">MIT Lincoln Laboratory Innovation Highlight<\/a><\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Droner vil v\u00e6re et meget nyttig verkt\u00f8y for levering av f\u00f8rstehjelpsutstyr og medisiner i st\u00f8rre byer, der et helikopter eller en ambulanse vil bruke for mye tid eller ha vanskeligheter med \u00e5 n\u00e5 frem til ulykkesstedet. Droner har som fordel av \u00e5 v\u00e6re sm\u00e5, noe som lar dem bevege seg i trange og normalt utilgjengelige omr\u00e5der, samtidig som de bruker langt mindre tid under avgang og landing. Ved \u00e5 redusere st\u00f8y fra dronens propeller, vil disse oppgavene kunne bli utf\u00f8rt uten at det h\u00f8res som en \"bisverm\" over befolkede omr\u00e5der.<\/p>\n\n\n\n<p>Toroidpropellene viser seg ogs\u00e5 \u00e5 v\u00e6re minst like energieffektive som en vanlige propeller, og skaper like mye l\u00f8ft uten \u00e5 tilf\u00f8ye ekstra vekt. Toroidpropeller er allerede i bruk i marine applikasjoner,<strong> <\/strong>hvor det rapporteres om inntil 30% \u00f8kning i effektivitet <a rel=\"noreferrer noopener\" href=\"https:\/\/www.sharrowmarine.com\/\" target=\"_blank\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">i f\u00f8lge produsenten Sharrow Marine<\/mark><\/a>.&nbsp;<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/SharrowPropellerCustomInbaord-1024x682.jpg\" alt=\"\" class=\"wp-image-11827\" srcset=\"https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/SharrowPropellerCustomInbaord-1024x682.jpg 1024w, https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/SharrowPropellerCustomInbaord-300x200.jpg 300w, https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/SharrowPropellerCustomInbaord-768x512.jpg 768w, https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/SharrowPropellerCustomInbaord-18x12.jpg 18w, https:\/\/tiepoint.no\/wp-content\/uploads\/2023\/02\/SharrowPropellerCustomInbaord.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>Sharrow Marines toroidformede propell for b\u00e5ter.<\/em> <strong>Bilde:<\/strong> <a href=\"https:\/\/www.sharrowmarine.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Sharrow Marine<\/a><\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Det blir spennende \u00e5 f\u00f8lge utviklingen. Kanskje toroidpropeller kan produsere ekstra l\u00f8ft uten \u00e5 legge til vekt eller \u00f8ke energiforbruket. Dette kan gi muligheter for st\u00f8rre nyttelast og\/eller lengre flyvetid ettersom dronen ville kunne prestere like godt som tradisjonelle propeller selv med ett lavere turtall. Uansett hvilke fordeler toroidpropellen kan gi, er det ett faktum at st\u00f8yen blir betydelig redusert. Dette er enda ett skritt n\u00e6rmere en fremtid med droner i offentlig tjeneste.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<div class=\"wp-block-comments\"><h2 id=\"comments\" class=\"wp-block-comments-title\">Kommentarer<\/h2>\n\n\n\n\n\n\t<div id=\"respond\" class=\"comment-respond wp-block-post-comments-form\">\n\t\t<h3 id=\"reply-title\" class=\"comment-reply-title\">Legg igjen en kommentar <small><a rel=\"nofollow\" id=\"cancel-comment-reply-link\" href=\"\/no\/wp-json\/wp\/v2\/posts\/11778#respond\" style=\"display:none;\">Avbryt svar<\/a><\/small><\/h3><form action=\"https:\/\/tiepoint.no\/wp-comments-post.php\" method=\"post\" id=\"commentform\" class=\"comment-form\" data-trp-original-action=\"https:\/\/tiepoint.no\/wp-comments-post.php\"><p class=\"comment-notes\"><span id=\"email-notes\">Din e-postadresse vil ikke bli publisert.<\/span> <span class=\"required-field-message\">Obligatoriske felt er merket med <span class=\"required\">*<\/span><\/span><\/p><p class=\"comment-form-comment\"><label for=\"comment\">Kommentar <span class=\"required\">*<\/span><\/label> <textarea id=\"comment\" name=\"comment\" cols=\"45\" rows=\"8\" maxlength=\"65525\" required=\"required\"><\/textarea><\/p><p class=\"comment-form-author\"><label for=\"author\">Navn<\/label> <input id=\"author\" name=\"author\" type=\"text\" value=\"\" size=\"30\" maxlength=\"245\" autocomplete=\"name\" \/><\/p>\n<p class=\"comment-form-email\"><label for=\"email\">E-post<\/label> <input id=\"email\" name=\"email\" type=\"text\" value=\"\" size=\"30\" maxlength=\"100\" aria-describedby=\"email-notes\" autocomplete=\"email\" \/><\/p>\n<p class=\"comment-form-url\"><label for=\"url\">Nettsted<\/label> <input id=\"url\" name=\"url\" type=\"text\" value=\"\" size=\"30\" maxlength=\"200\" autocomplete=\"url\" \/><\/p>\n<p class=\"comment-form-cookies-consent\"><input id=\"wp-comment-cookies-consent\" name=\"wp-comment-cookies-consent\" type=\"checkbox\" value=\"yes\" \/> <label for=\"wp-comment-cookies-consent\">Lagre mitt navn, e-post og nettside i denne nettleseren for neste gang jeg kommenterer.<\/label><\/p>\n<p class=\"form-submit\"><input name=\"submit\" type=\"submit\" id=\"submit\" class=\"submit\" value=\"Publiser kommentar\" \/> <input type='hidden' name='comment_post_ID' value='11778' id='comment_post_ID' \/>\n<input type='hidden' name='comment_parent' id='comment_parent' value='0' \/>\n<\/p><input type=\"hidden\" name=\"trp-form-language\" value=\"no\"\/><\/form>\t<\/div><!-- #respond -->\n\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Could toroidal propellers make it easier to adopt drones for public services? &#8220;Reduced sound levels allowed toroidal-propeller-equipped drones to operate without taxing human hearing at a distance half that of typical operation.&#8221; &#8211; MIT Lincoln Laboratory | Innovation Highlight Ever since drones hit the commercial market, their adoptation to perform large-scale operations pushes their technological [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":11825,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"1200","footnotes":""},"categories":[1,47,46],"tags":[50,51,48,49],"class_list":["post-11778","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-science","category-technology","tag-development","tag-drones","tag-science","tag-technology"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Researches at MIT found that toroidal propellers reduces sound levels from drones significantly - Tiepoint<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tiepoint.no\/no\/mit-toroidal\/\" \/>\n<meta property=\"og:locale\" content=\"nb_NO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Researches at MIT found that toroidal propellers reduces sound levels from drones significantly - Tiepoint\" \/>\n<meta property=\"og:description\" content=\"Could toroidal propellers make it easier to adopt drones for public services? &#8220;Reduced sound levels allowed toroidal-propeller-equipped drones to operate without taxing human hearing at a distance half that of typical operation.&#8221; 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