{"id":1223,"date":"2024-02-08T14:45:58","date_gmt":"2024-02-08T13:45:58","guid":{"rendered":"https:\/\/selmalepart.org\/lowsoro\/ressources\/?page_id=1223"},"modified":"2024-02-08T16:07:23","modified_gmt":"2024-02-08T15:07:23","slug":"tentacule-origami","status":"publish","type":"page","link":"https:\/\/selmalepart.org\/lowsoro\/ressources\/tentacule-origami\/","title":{"rendered":"Tentacule origami"},"content":{"rendered":"<p>[vc_row][vc_column][vc_column_text]<\/p>\n<h1>Tentacule origami<\/h1>\n<p>Groupe 4 : Thorpe, Matthew, Philippe, Margot, Wiam<\/p>\n<h3>INTRODUCTION<\/h3>\n<p>Curieux et intrigu\u00e9s par le mouvement des nageoires des poisson dans l\u2019eau, nous nous sommes, par cons\u00e9quent, lanc\u00e9s le d\u00e9fi de reproduire ce m\u00e9canisme musculaire (une nageoire ou une tentacule). Nous avons ainsi r\u00e9alis\u00e9 plusieurs processus d\u2019imitation du mouvement musculaire avec un syst\u00e8me de pompe \u00e0 air pour reproduire la flexion (inspiration de l\u2019air) et l\u2019extension du muscle (expiration).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1226\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-16.png\" alt=\"\" width=\"287\" height=\"175\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1227 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-19-300x184.png\" alt=\"\" width=\"300\" height=\"184\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-19-300x184.png 300w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-19.png 768w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1228\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-18.png\" alt=\"\" width=\"284\" height=\"177\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1229 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-17-300x200.png\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-17-300x200.png 300w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-17-1024x683.png 1024w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-17-768x512.png 768w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-17-1536x1024.png 1536w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-17-2048x1365.png 2048w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-17-870x580.png 870w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3>POURQUOI?<\/h3>\n<p>L\u2019objectif est de reproduire un poisson pouvant se mouvoir dans l\u2019eau gr\u00e2ce au syst\u00e8me de nageoire mis en place en utilisant uniquement l\u2019air comme source d\u2019\u00e9nergie.<\/p>\n<h3>COMMENT ?<\/h3>\n<ul>\n<li>Dans un premier temps, nous avons simul\u00e9 un muscle en ins\u00e9rant un ballon dans une gaine et en le scellant aux extr\u00e9mit\u00e9s. On le branche ensuite \u00e0 une seringue afin de le gonfler\/ d\u00e9gonfler ce qui cr\u00e9e des ph\u00e9nom\u00e8nes de contraction \/ relaxation.<br \/>\n<div id=\"attachment_1230\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1230\" class=\"wp-image-1230 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3790-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3790-300x300.jpg 300w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3790-1024x1024.jpg 1024w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3790-150x150.jpg 150w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3790-768x768.jpg 768w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3790-870x870.jpg 870w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3790-400x400.jpg 400w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3790-270x270.jpg 270w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3790.jpg 1427w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1230\" class=\"wp-caption-text\">Contraction<\/p><\/div><br \/>\n<div id=\"attachment_1231\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1231\" class=\"wp-image-1231 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-14.54.21-300x297.png\" alt=\"\" width=\"300\" height=\"297\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-14.54.21-300x297.png 300w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-14.54.21-1024x1013.png 1024w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-14.54.21-150x150.png 150w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-14.54.21-768x760.png 768w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-14.54.21-870x860.png 870w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-14.54.21.png 1278w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1231\" class=\"wp-caption-text\">Relaxation<\/p><\/div><\/li>\n<\/ul>\n<ul>\n<li><div style=\"width: 1920px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-1223-1\" width=\"1920\" height=\"1080\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/MVI_0763.mp4?_=1\" \/><a href=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/MVI_0763.mp4\">https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/MVI_0763.mp4<\/a><\/video><\/div>\n<p>Par ailleurs, nous avons test\u00e9 en parall\u00e8le une diff\u00e9rente approche qui revient \u00e0 reproduire une tentacule gr\u00e2ce \u00e0 un tube de silicone qui se plierait et se d\u00e9plierait en utilisant le m\u00eame principe de pompe \u00e0 air. Avec cette m\u00e9thode, on pourrait avoir plus de degr\u00e9s de libert\u00e9 en fixant plusieurs tubes ensemble. Pour se faire, nous avons essay\u00e9 diff\u00e9rents moules afin d\u2019avoir un tube en silicone creux: stylo \u00e0 billes, seringues avec une paille \u00e0 l\u2019int\u00e9rieur \u2026<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1233 size-medium alignleft\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-14.58.20-271x300.png\" alt=\"\" width=\"271\" height=\"300\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-14.58.20-271x300.png 271w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-14.58.20-926x1024.png 926w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-14.58.20-768x849.png 768w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-14.58.20-870x962.png 870w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-14.58.20.png 1120w\" sizes=\"(max-width: 271px) 100vw, 271px\" \/><\/p>\n<div id=\"attachment_1234\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1234\" class=\"wp-image-1234 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.00.12-300x300.png\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.00.12-300x300.png 300w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.00.12-1024x1022.png 1024w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.00.12-150x150.png 150w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.00.12-768x767.png 768w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.00.12-870x869.png 870w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.00.12-400x400.png 400w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.00.12-270x270.png 270w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.00.12.png 1288w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1234\" class=\"wp-caption-text\">Tube creux de silicone avec un stylo \u00e0 billes<\/p><\/div>\n<p>&nbsp;<\/p>\n<div style=\"width: 1920px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-1223-2\" width=\"1920\" height=\"1080\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3829.mp4?_=2\" \/><a href=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3829.mp4\">https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3829.mp4<\/a><\/video><\/div>\n<p><strong>Reference:<\/strong> <a href=\"https:\/\/www.youtube.com\/watch?v=gPYjo-W2ctU\">https:\/\/www.youtube.com\/watch?v=gPYjo-W2ctU<\/a><\/p>\n<ul>\n<li>Enfin, nous avons essay\u00e9 de faire un muscle artificielle gr\u00e2ce \u00e0 des origamis et une poche en plastique, en utilisant une pompe \u00e0 air pour simuler les deux positions musculaires.<\/li>\n<\/ul>\n<div class=\"mceTemp\"><\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1236 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.23-300x281.png\" alt=\"\" width=\"300\" height=\"281\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.23-300x281.png 300w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.23-1024x960.png 1024w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.23-768x720.png 768w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.23-870x815.png 870w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.23.png 1402w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1238 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.35-300x268.png\" alt=\"\" width=\"300\" height=\"268\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.35-300x268.png 300w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.35-1024x913.png 1024w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.35-768x685.png 768w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.35-870x776.png 870w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.35.png 1390w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<div id=\"attachment_1237\" style=\"width: 298px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1237\" class=\"wp-image-1237 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.47-288x300.png\" alt=\"\" width=\"288\" height=\"300\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.47-288x300.png 288w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.47-983x1024.png 983w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.47-768x800.png 768w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.47-870x906.png 870w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.03.47.png 1344w\" sizes=\"(max-width: 288px) 100vw, 288px\" \/><p id=\"caption-attachment-1237\" class=\"wp-caption-text\">Deux pyramides \u00e0 base carr\u00e9 coll\u00e9e \u00e0 la suite, mises \u00e0 l\u2019int\u00e9rieur d\u2019une poche en plastique \u00e9tanch\u00e9ifi\u00e9e avec du scotch et dans laquelle est ins\u00e9r\u00e9e un tube<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>Deux pyramides \u00e0 base carr\u00e9 coll\u00e9e \u00e0 la suite, mises \u00e0 l\u2019int\u00e9rieur d\u2019une poche en plastique \u00e9tanch\u00e9ifi\u00e9e avec du scotch et dans laquelle est ins\u00e9r\u00e9e un tube<\/p>\n<p><strong>INSPIRATION:<\/strong><\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1239\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-01-a-20.56.22.png\" alt=\"\" width=\"808\" height=\"608\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-01-a-20.56.22.png 808w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-01-a-20.56.22-300x226.png 300w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-01-a-20.56.22-768x578.png 768w\" sizes=\"(max-width: 808px) 100vw, 808px\" \/><\/strong><\/p>\n<p><strong>Reference:<\/strong> <a href=\"https:\/\/www.youtube.com\/watch?v=Ir69MXyOvFs\">https:\/\/www.youtube.com\/watch?v=Ir69MXyOvFs<\/a><\/p>\n<h3>DIFFICULT\u00c9S<\/h3>\n<ul>\n<li>Tube en silicone : le s\u00e9chage prend trop de temps \u00e0 cause du manque d\u2019air \u00e0 l\u2019int\u00e9rieur du stylo \u00e0 billes qui est ferm\u00e9 des deux c\u00f4t\u00e9s. De plus, ce processus engendre plusieurs bulles d\u2019air \u00e0 l\u2019int\u00e9rieur du stylo, ce qui cause un manque d\u2019uniformit\u00e9 \u00e0 la surface du tube, ainsi que la pr\u00e9sence de plusieurs trous.<\/li>\n<li>Origami : les pyramides en papier ne sont pas suffisamment rigides afin se plier sur elles m\u00eame une fois \u00e0 l\u2019int\u00e9rieur de la poche en plastique. En outre, le plastique utilis\u00e9 est trop \u00e9pais et rigide chose qui s\u2019oppose au mouvement de contraction des origamis<\/li>\n<\/ul>\n<h3>R\u00c9USSITES<\/h3>\n<ul>\n<li>Afin de rem\u00e9dier \u00e0 la non rigidit\u00e9 des pyramides, nous avons utilis\u00e9 du carton \u00e0 la place du papier que nous avons coll\u00e9 sur une base en papier pour garder la souplesse du mouvement et assur\u00e9 le repliement des pyramides sur elles-m\u00eame. Par ailleurs, nous avons opt\u00e9 pour un gant au lieu du plastiquer mis \u00e0 disposition. Ainsi, nous avons pu test\u00e9 le mouvement musculaire recherch\u00e9 gr\u00e2ce \u00e0 l\u2019alignement de deux pyramides.<\/li>\n<\/ul>\n<div style=\"width: 1080px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-1223-3\" width=\"1080\" height=\"1920\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3812.MOV.mp4?_=3\" \/><a href=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3812.MOV.mp4\">https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3812.MOV.mp4<\/a><\/video><\/div>\n<p>Test avec le gant<\/p>\n<ul>\n<li>Afin d\u2019accentuer le mouvement musculaire de la tentacule, nous avons d\u00e9cid\u00e9 de mettre trois pyramides \u00e0 la suite. Toutefois, pour se faire, le gant n\u2019\u00e9tait pas suffisamment long, c\u2019est pourquoi nous avons opt\u00e9 pour du latex (des pr\u00e9servatifs) pour son \u00e9lasticit\u00e9 et sa robustesse ainsi que sa forme cylindrique.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1244 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.11.48-300x246.png\" alt=\"\" width=\"300\" height=\"246\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.11.48-300x246.png 300w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.11.48-1024x841.png 1024w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.11.48-768x631.png 768w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.11.48-870x714.png 870w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.11.48.png 1286w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1243 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.11.58-300x220.png\" alt=\"\" width=\"300\" height=\"220\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.11.58-300x220.png 300w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.11.58-1024x750.png 1024w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.11.58-768x562.png 768w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.11.58-870x637.png 870w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.11.58.png 1300w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<div style=\"width: 1920px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-1223-4\" width=\"1920\" height=\"1080\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3823-3-1.mp4?_=4\" \/><a href=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3823-3-1.mp4\">https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3823-3-1.mp4<\/a><\/video><\/div>\n<p>&nbsp;<\/p>\n<h3>POINT DE BASCULE : GRIPPER<\/h3>\n<p>Apr\u00e8s avoir r\u00e9ussi \u00e0 reproduire le mouvement d\u2019une tentacule gr\u00e2ce au pyramide en carton ins\u00e9r\u00e9 \u00e0 l\u2019int\u00e9rieur d\u2019un contenant en latex, nous nous sommes rendu compte que celui-ci pourrait \u00eatre mis \u00e0 profit pour r\u00e9aliser un syst\u00e8me qui permet d\u2019attraper des objets (Gripper). \u00c0 partir de l\u00e0, notre projet a pris une autre tournure: optimiser la force du grippe, sans oublier l\u2019esth\u00e9tisme.<\/p>\n<div style=\"width: 1920px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-1223-5\" width=\"1920\" height=\"1080\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3831-_2_.mp4?_=5\" \/><a href=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3831-_2_.mp4\">https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3831-_2_.mp4<\/a><\/video><\/div>\n<div style=\"width: 1920px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-1223-6\" width=\"1920\" height=\"1080\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-1.mp4?_=6\" \/><a href=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-1.mp4\">https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-1.mp4<\/a><\/video><\/div>\n<p>premiers tests du syst\u00e8me Gripper<\/p>\n<p>En outre, afin de centraliser les entr\u00e9es et sorties d\u2019air, nous avons d\u00e9cid\u00e9 d\u2019imprimer, gr\u00e2ce \u00e0 l\u2019imprimante 3D, un joint avec une entr\u00e9e et 3 ou 4 orifices de sorties. Toutefois, au final on a utilis\u00e9 un joint mis \u00e0 notre disposition et qui admet les m\u00eames fonctionnalit\u00e9s et caract\u00e9ristiques recherch\u00e9es.<\/p>\n<div id=\"attachment_1251\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1251\" class=\"wp-image-1251 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.23.37-300x300.png\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.23.37-300x300.png 300w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.23.37-1024x1024.png 1024w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.23.37-150x150.png 150w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.23.37-768x768.png 768w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.23.37-870x870.png 870w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.23.37-400x400.png 400w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.23.37-270x270.png 270w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.23.37.png 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1251\" class=\"wp-caption-text\">Croquis du joint \u00e0 main lev\u00e9e<\/p><\/div><br \/>\n<div id=\"attachment_1250\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1250\" class=\"wp-image-1250 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-20-300x232.png\" alt=\"\" width=\"300\" height=\"232\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-20-300x232.png 300w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-20-768x594.png 768w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-20-870x673.png 870w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Untitled-20.png 1007w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1250\" class=\"wp-caption-text\">Repr\u00e9sentation 3D<\/p><\/div>\n<p>Ainsi, nous avons reli\u00e9 les trois tentacules \u00e0 une seule plateforme. De plus, afin de s\u2019adapter \u00e0 la taille des diff\u00e9rents objets et donc d\u2019avoir une plus large gamme d\u2019application, nous avons d\u00e9cid\u00e9 de relier l\u2019ext\u00e9rieur des tentacules \u00e0 la plateforme gr\u00e2ce \u00e0 un fil de p\u00eache. Les trois fils ont \u00e9tait reli\u00e9 ensemble afin de pouvoir ouvrir et fermer le Gripper en tirant simplement sur le fil commun.<\/p>\n<p><a href=\"https:\/\/prod-files-secure.s3.us-west-2.amazonaws.com\/d5da5185-7a4d-442c-b888-34b4760dc8c4\/a48c6117-5871-41be-929d-6e93d75d2e5f\/IMG_3853.mp4\">IMG_3853.mp4<\/a><\/p>\n<div style=\"width: 1920px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-1223-7\" width=\"1920\" height=\"1080\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3853.mp4?_=7\" \/><a href=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3853.mp4\">https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/IMG_3853.mp4<\/a><\/video><\/div>\n<div id=\"attachment_1254\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1254\" class=\"wp-image-1254 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.26.13-300x214.png\" alt=\"\" width=\"300\" height=\"214\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.26.13-300x214.png 300w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.26.13-1024x731.png 1024w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.26.13-768x548.png 768w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.26.13-1536x1097.png 1536w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.26.13-870x621.png 870w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.26.13.png 1874w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1254\" class=\"wp-caption-text\">m = 62.5 g<\/p><\/div><br \/>\n<div id=\"attachment_1253\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1253\" class=\"wp-image-1253 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.26.27-300x229.png\" alt=\"\" width=\"300\" height=\"229\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.26.27-300x229.png 300w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.26.27-1024x780.png 1024w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.26.27-768x585.png 768w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.26.27-1536x1170.png 1536w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.26.27-870x663.png 870w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.26.27.png 1646w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1253\" class=\"wp-caption-text\">sch\u00e9ma de la tentacule<\/p><\/div>\n<pre><code><\/code><\/pre>\n<div id=\"attachment_1256\" style=\"width: 186px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1256\" class=\"wp-image-1256 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.34.18-176x300.png\" alt=\"\" width=\"176\" height=\"300\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.34.18-176x300.png 176w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.34.18-600x1024.png 600w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.34.18.png 766w\" sizes=\"(max-width: 176px) 100vw, 176px\" \/><p id=\"caption-attachment-1256\" class=\"wp-caption-text\">tentacule du Gripper<\/p><\/div><br \/>\n<div id=\"attachment_1255\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1255\" class=\"wp-image-1255 size-medium\" src=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.32.10-300x237.png\" alt=\"\" width=\"300\" height=\"237\" srcset=\"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.32.10-300x237.png 300w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.32.10-1024x808.png 1024w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.32.10-768x606.png 768w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.32.10-1536x1212.png 1536w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.32.10-870x686.png 870w, https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-content\/uploads\/2024\/02\/Capture-decran-2024-02-08-a-15.32.10.png 1592w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1255\" class=\"wp-caption-text\">sch\u00e9ma g\u00e9n\u00e9ral du syst\u00e8me Gripper<\/p><\/div>\n<div class=\"mceTemp\"><\/div>\n<h3>PISTES D\u2019AM\u00c9LIORATION<\/h3>\n<h4>Automatisation<\/h4>\n<ul>\n<li>Moteur pour contr\u00f4ler l\u2019ouverture du Gripper via le fil de p\u00eache.<\/li>\n<li>Pompe \u00e0 vide pour actionner le Gripper automatiquement.<\/li>\n<li>Capteurs: d\u00e9tection de la largeur de l\u2019objet \u00e0 attraper et envoi de la commande au moteur responsable de l\u2019ouverture du Gripper.<\/li>\n<li>Commande par Arduino du moteur, de la pompe \u00e0 vide et des capteurs.<\/li>\n<\/ul>\n<h4>Optimisation<\/h4>\n<ul>\n<li>Tester des mat\u00e9riaux diff\u00e9rents pour la conception des tentacules: origami et enveloppe.<\/li>\n<li>Am\u00e9liorer la robustesse du syst\u00e8me: fixation des tentacules et des tubes.<\/li>\n<\/ul>\n<h4>Esth\u00e9tisme<\/h4>\n<ul>\n<li>Am\u00e9liorer l\u2019esth\u00e9tisme du syst\u00e8me de mani\u00e8re g\u00e9n\u00e9ral.<\/li>\n<\/ul>\n<h3>REFERENCES<\/h3>\n<p><a href=\"https:\/\/jfras.github.io\/jfras\/soft_projects.htm\">https:\/\/jfras.github.io\/jfras\/soft_projects.htm<\/a><\/p>\n<p><a href=\"https:\/\/jfras.github.io\/jfras\/papers\/icra2018.pdf\">https:\/\/jfras.github.io\/jfras\/papers\/icra2018.pdf<\/a><\/p>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=FUEUFckd1V0\">https:\/\/www.youtube.com\/watch?v=FUEUFckd1V0<\/a><\/p>\n<h3><strong>POMPE KAOMER<\/strong><\/h3>\n<p>Une solution qui a retenu notre attention pour le syst\u00e8me de pompage \u00e0 air automatis\u00e9, est la pompe KAOMER ( Pompe \u00e0 vide \u00e0 membrane KVP300 series), \u00e9tant donn\u00e9 que plusieurs membres de forums disaient l\u2019avoir utilis\u00e9 pour faire le vide via un syst\u00e8me de commande \u00e9lectronique.<\/p>\n<p>Pour cela, une commande par Arduino est utilis\u00e9, associ\u00e9 \u00e0 un capteur de pression qui renvoie en temps r\u00e9el la pression dans le syst\u00e8me ou l\u2019on souhaite faire le vide.<\/p>\n<p>On pourrait ainsi r\u00e9aliser un syst\u00e8me compos\u00e9 d\u2019un capteur suivi d\u2019un amplificateur de tension, et la pompe se d\u00e9clencherait \u00e0 partir d\u2019une certaine valeur de tension ( utiliser un comparateur \u00e0 seuil ).<\/p>\n<p><strong>Reference :<\/strong><\/p>\n<p><a href=\"https:\/\/gmfcsoft.fr\/blog\/?p=2237\">https:\/\/gmfcsoft.fr\/blog\/?p=2237<\/a><\/p>\n<p><a href=\"https:\/\/www.directindustry.fr\/prod\/kamoer-fluid-tech-shanghai-co-ltd\/product-242598-2511979.html\">https:\/\/www.directindustry.fr\/prod\/kamoer-fluid-tech-shanghai-co-ltd\/product-242598-2511979.html<\/a><\/p>\n<p><!-- notionvc: 9cc2b333-7ef3-4923-b303-94644310902e -->[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text] Tentacule origami Groupe 4 : Thorpe, Matthew, Philippe, Margot, Wiam INTRODUCTION Curieux et intrigu\u00e9s par le mouvement des nageoires des poisson dans l\u2019eau, nous nous sommes, par cons\u00e9quent, lanc\u00e9s le d\u00e9fi de reproduire ce m\u00e9canisme musculaire (une nageoire ou une tentacule). Nous avons ainsi r\u00e9alis\u00e9 plusieurs processus d\u2019imitation du mouvement musculaire avec un syst\u00e8me [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-json\/wp\/v2\/pages\/1223"}],"collection":[{"href":"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-json\/wp\/v2\/comments?post=1223"}],"version-history":[{"count":5,"href":"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-json\/wp\/v2\/pages\/1223\/revisions"}],"predecessor-version":[{"id":1257,"href":"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-json\/wp\/v2\/pages\/1223\/revisions\/1257"}],"wp:attachment":[{"href":"https:\/\/selmalepart.org\/lowsoro\/ressources\/wp-json\/wp\/v2\/media?parent=1223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}