{"id":115015,"date":"2025-05-09T09:11:29","date_gmt":"2025-05-09T07:11:29","guid":{"rendered":"https:\/\/step-lab.com\/?p=115015"},"modified":"2025-12-04T11:39:05","modified_gmt":"2025-12-04T10:39:05","slug":"shock-dynos-electromechanical-vs-scotch-yoke","status":"publish","type":"post","link":"https:\/\/step-lab.com\/fr\/shock-dynos-electromechanical-vs-scotch-yoke\/","title":{"rendered":"Comparaison des bancs d&rsquo;essai \u00e0 chocs : Scotch-Yoke vs \u00e9lectrom\u00e9canique"},"content":{"rendered":"<div id='av_section_1'  class='avia-section av-ujb6lmb-95796048f60cc62e26abc9217a3e2f78 main_color avia-section-default avia-no-border-styling  avia-builder-el-0  avia-builder-el-no-sibling  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-115015'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-14uyfjsj-9c640c2a127b8559592446d8d0679601 av_one_fifth  avia-builder-el-1  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div  '     ><\/div><div  class='flex_column av-mxo4eb7-862a5d4828b0874b8f45a728d39bbf6e av_three_fifth  avia-builder-el-2  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m6qjpkt1-d87a551d6f30a2681bab36d549c2c5aa\">\n.avia-image-container.av-m6qjpkt1-d87a551d6f30a2681bab36d549c2c5aa img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-m6qjpkt1-d87a551d6f30a2681bab36d549c2c5aa .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-m6qjpkt1-d87a551d6f30a2681bab36d549c2c5aa av-styling- avia-align-center  avia-builder-el-3  el_before_av_heading  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-115001 avia-img-lazy-loading-not-115001 avia_image ' src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2025\/02\/scotch-yoke-vs-electromechanical-dyno.jpg\" alt='' title='scotch-yoke vs electromechanical dyno'  height=\"621\" width=\"1350\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2025\/02\/scotch-yoke-vs-electromechanical-dyno.jpg 1350w, https:\/\/step-lab.com\/wp-content\/uploads\/2025\/02\/scotch-yoke-vs-electromechanical-dyno-300x138.jpg 300w, https:\/\/step-lab.com\/wp-content\/uploads\/2025\/02\/scotch-yoke-vs-electromechanical-dyno-1030x474.jpg 1030w, https:\/\/step-lab.com\/wp-content\/uploads\/2025\/02\/scotch-yoke-vs-electromechanical-dyno-768x353.jpg 768w, https:\/\/step-lab.com\/wp-content\/uploads\/2025\/02\/scotch-yoke-vs-electromechanical-dyno-705x324.jpg 705w\" sizes=\"(max-width: 1350px) 100vw, 1350px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lx1uw4zm-2ef6f972954119b1f11feb53aa7c6f32\">\n#top .av-special-heading.av-lx1uw4zm-2ef6f972954119b1f11feb53aa7c6f32{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lx1uw4zm-2ef6f972954119b1f11feb53aa7c6f32 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lx1uw4zm-2ef6f972954119b1f11feb53aa7c6f32 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lx1uw4zm-2ef6f972954119b1f11feb53aa7c6f32 av-special-heading-h1  avia-builder-el-4  el_after_av_image  el_before_av_hr '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"ez-toc-section\" id=\"Comparaison_des_bancs_dessai_a_chocs_Scotch-Yoke_vs_electromecanique_LUD\"><\/span>Comparaison des bancs d\u2019essai \u00e0 chocs : Scotch-Yoke vs \u00e9lectrom\u00e9canique (LUD)<span class=\"ez-toc-section-end\"><\/span><\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lx1uxa9z-43eb9bc7bafb3e961202511d7077a8a0\">\n#top .hr.hr-invisible.av-lx1uxa9z-43eb9bc7bafb3e961202511d7077a8a0{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-lx1uxa9z-43eb9bc7bafb3e961202511d7077a8a0 hr-invisible  avia-builder-el-5  el_after_av_heading  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lx1ogp0h-c28b279fed10be8c343ce32aca7de04b\">\n#top .av_textblock_section.av-lx1ogp0h-c28b279fed10be8c343ce32aca7de04b .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-lx1ogp0h-c28b279fed10be8c343ce32aca7de04b '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Les <strong>bancs d&rsquo;essai pour amortisseurs<\/strong> sont des outils essentiels pour \u00e9valuer les <strong>performances et la durabilit\u00e9 des amortisseurs<\/strong> dans divers v\u00e9hicules. Le choix du type de m\u00e9canisme appropri\u00e9 pour un banc d&rsquo;essai pour amortisseurs peut avoir un impact significatif sur sa pr\u00e9cision, son efficacit\u00e9 et son co\u00fbt. Cet article explore deux approches distinctes : les <strong>bancs d&rsquo;essai scotch-yoke <\/strong>et les <strong>machines d&rsquo;essai pour amortisseurs avec actionneurs \u00e9lectrom\u00e9caniques.<\/strong> Il est essentiel de comprendre les diff\u00e9rences fondamentales entre ces syst\u00e8mes afin de prendre une d\u00e9cision \u00e9clair\u00e9e quant \u00e0 la technologie la mieux adapt\u00e9e \u00e0 vos besoins en mati\u00e8re d&rsquo;essais.  <\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">PAGE CONTENT<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #a81010;color:#a81010\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #a81010;color:#a81010\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/step-lab.com\/fr\/shock-dynos-electromechanical-vs-scotch-yoke\/#Comparaison_des_bancs_dessai_a_chocs_Scotch-Yoke_vs_electromecanique_LUD\" >Comparaison des bancs d\u2019essai \u00e0 chocs : Scotch-Yoke vs \u00e9lectrom\u00e9canique (LUD)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/step-lab.com\/fr\/shock-dynos-electromechanical-vs-scotch-yoke\/#Comment_fonctionnent_les_systemes_scotch-yoke\" >Comment fonctionnent les syst\u00e8mes scotch-yoke ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/step-lab.com\/fr\/shock-dynos-electromechanical-vs-scotch-yoke\/#Comment_fonctionnent_les_bancs_dessai_electromecaniques_a_chocs\" >Comment fonctionnent les bancs d&rsquo;essai \u00e9lectrom\u00e9caniques \u00e0 chocs ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/step-lab.com\/fr\/shock-dynos-electromechanical-vs-scotch-yoke\/#Electromecanique_ou_Scotch-yoke_avantages_et_inconvenients\" >\u00c9lectrom\u00e9canique ou Scotch-yoke : avantages et inconv\u00e9nients<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/step-lab.com\/fr\/shock-dynos-electromechanical-vs-scotch-yoke\/#Alors_quel_systeme_de_test_choisir\" >Alors, quel syst\u00e8me de test choisir ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/step-lab.com\/fr\/shock-dynos-electromechanical-vs-scotch-yoke\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lx1p7af0-41bba5359692d1a90c77eb22b9cc3a60\">\n#top .hr.hr-invisible.av-lx1p7af0-41bba5359692d1a90c77eb22b9cc3a60{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-lx1p7af0-41bba5359692d1a90c77eb22b9cc3a60 hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lx1p657v-26c53d25c82de547133e534bd5a4a282\">\n#top .av_textblock_section.av-lx1p657v-26c53d25c82de547133e534bd5a4a282 .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-lx1p657v-26c53d25c82de547133e534bd5a4a282 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2 class=\"text-xl font-bold text-text-200 mt-1 -mb-0.5\"><span class=\"ez-toc-section\" id=\"Comment_fonctionnent_les_systemes_scotch-yoke\"><\/span>Comment fonctionnent les syst\u00e8mes scotch-yoke ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"whitespace-pre-wrap break-words\">La distinction entre ces syst\u00e8mes va bien au-del\u00e0 de leurs principes de fonctionnement de base.<\/p>\n<p class=\"whitespace-pre-wrap break-words\">Le m\u00e9canisme <strong>Scotch-Yoke <\/strong> s&rsquo;articule autour d&rsquo;un disque rotatif muni d&rsquo;une goupille d\u00e9cal\u00e9e qui s&rsquo;engage dans un \u00e9trier coulissant. Lorsque le disque tourne, entra\u00een\u00e9 par un moteur \u00e9lectrique via une bo\u00eete de vitesses ou une transmission par courroie, la goupille d\u00e9cal\u00e9e se d\u00e9place selon une trajectoire circulaire. La fourche, contrainte \u00e0 un mouvement vertical, transforme ce mouvement rotatif en un mouvement lin\u00e9aire alternatif. Cette transformation m\u00e9canique produit naturellement un mouvement sinuso\u00efdal, qui est depuis longtemps la norme pour les essais de base des amortisseurs. La relation entre la rotation du disque et le mouvement de la fourche est fix\u00e9e par la g\u00e9om\u00e9trie du syst\u00e8me, ce qui cr\u00e9e un mod\u00e8le d&rsquo;essai pr\u00e9visible et fiable.    <\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ml7szsj-68d69424f69d32cc236526e76d50211c\">\n#top .hr.hr-invisible.av-ml7szsj-68d69424f69d32cc236526e76d50211c{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-ml7szsj-68d69424f69d32cc236526e76d50211c hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m6qdpu6w-dcfb40ba7baa57ab9d6abe7905febb07\">\n#top .av_textblock_section.av-m6qdpu6w-dcfb40ba7baa57ab9d6abe7905febb07 .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-m6qdpu6w-dcfb40ba7baa57ab9d6abe7905febb07 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2 class=\"text-xl font-bold text-text-200 mt-1 -mb-0.5\"><span class=\"ez-toc-section\" id=\"Comment_fonctionnent_les_bancs_dessai_electromecaniques_a_chocs\"><\/span>Comment fonctionnent les bancs d&rsquo;essai \u00e9lectrom\u00e9caniques \u00e0 chocs ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"whitespace-pre-wrap break-words\">Au contraire, les <strong>bancs d&rsquo;essai \u00e9lectrom\u00e9caniques <\/strong> repr\u00e9sentent la pointe de la technologie en mati\u00e8re d&rsquo;essais, gr\u00e2ce \u00e0 une combinaison sophistiqu\u00e9e de servomoteurs et de vis de pr\u00e9cision. Au c\u0153ur de ces syst\u00e8mes se trouve un servomoteur qui fonctionne en conjonction avec un m\u00e9canisme \u00e0 vis \u00e0 billes. Cette int\u00e9gration cr\u00e9e un syst\u00e8me d&rsquo;entra\u00eenement direct qui convertit le mouvement rotatif en un mouvement lin\u00e9aire pr\u00e9cis. La rotation du servomoteur entra\u00eene la vis de pr\u00e9cision, qui \u00e0 son tour d\u00e9place un bloc porteur de haut en bas avec une pr\u00e9cision exceptionnelle. Ce bloc porteur, reli\u00e9 \u00e0 l&rsquo;amortisseur, fournit le mouvement d&rsquo;essai. Des syst\u00e8mes de contr\u00f4le modernes surveillent et ajustent le mouvement en temps r\u00e9el, permettant ainsi des profils d&rsquo;essai complexes qui peuvent reproduire avec pr\u00e9cision les conditions de conduite r\u00e9elles.     <\/p>\n<p class=\"whitespace-pre-wrap break-words\">STEP Lab a commercialis\u00e9 cette technologie de pointe avec <strong> LUD, un banc d&rsquo;essai \u00e9lectrom\u00e9canique innovant <\/strong> qui illustre ces principes tout en comblant le foss\u00e9 entre les machines d&rsquo;essai \u00e9lectrodynamiques haut de gamme et les syst\u00e8mes simples \u00e0 couple Scotch. Le syst\u00e8me offre des capacit\u00e9s d&rsquo;essai robustes, notamment : <\/p>\n<ul class=\"&#091;&amp;:not(:last-child)_ul&#093;:pb-1 &#091;&amp;:not(:last-child)_ol&#093;:pb-1 list-disc space-y-1.5 pl-7\">\n<li class=\"whitespace-normal break-words\">Puissance du moteur : 20\/28 CV<\/li>\n<li>Charge maximale \u00e0 vitesse maximale : jusqu&rsquo;\u00e0 20 kN<\/li>\n<li class=\"whitespace-normal break-words\">Course variable : jusqu&rsquo;\u00e0 350 mm<\/li>\n<li class=\"whitespace-normal break-words\">R\u00e9plication des profils routiers<\/li>\n<li class=\"whitespace-normal break-words\">Course et vitesse r\u00e9glables par logiciel<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap break-words\">Cette combinaison d&rsquo;une conception m\u00e9canique robuste et de syst\u00e8mes de contr\u00f4le avanc\u00e9s fait de <strong>LUD <\/strong> une solution id\u00e9ale pour les fabricants qui recherchent des <strong>essais de chocs de qualit\u00e9 professionnelle sans la complexit\u00e9 et le co\u00fbt des bancs d&rsquo;essai haut de gamme.<\/strong><\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-maciqn9d-5e3daa3b631258f0f2a5d844242ba6b2-wrap avia-button-left '><a href='https:\/\/step-lab.com\/fr\/lud-shock-dyno\/'  class='avia-button av-maciqn9d-5e3daa3b631258f0f2a5d844242ba6b2 av-link-btn avia-icon_select-yes-left-icon avia-size-medium avia-position-left avia-color-theme-color'  target=\"_blank\"  rel=\"noopener noreferrer\"  aria-label=\"S\u00c9RIE LUD\"><span class='avia_button_icon avia_button_icon_left avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='forward' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"29\" height=\"32\" viewBox=\"0 0 29 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-2' aria-describedby='av-svg-desc-2' role=\"graphics-symbol\">\n<title id='av-svg-title-2'>Forward<\/title>\n<desc id='av-svg-desc-2'>Forward<\/desc>\n<path d=\"M17.28 19.136q-6.72 0-10.624 1.44t-6.656 6.304q0.128-0.64 0.416-1.696t1.6-3.744 3.072-4.736 4.992-3.744 7.2-1.696v-6.144l11.52 10.304-11.52 10.688v-6.976z\"><\/path>\n<\/svg><\/span><span class='avia_iconbox_title' >S\u00c9RIE LUD<\/span><\/a><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lx1zb951-2559cf6c236e99b058d3861aa83effb4\">\n.avia-image-container.av-lx1zb951-2559cf6c236e99b058d3861aa83effb4 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-lx1zb951-2559cf6c236e99b058d3861aa83effb4 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-lx1zb951-2559cf6c236e99b058d3861aa83effb4 av-styling- av-img-linked avia-align-center'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><a href=\"https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/LUD-824x1030.png\" data-srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/LUD-824x1030.png 824w, https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/LUD-240x300.png 240w, https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/LUD-768x960.png 768w, https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/LUD-564x705.png 564w, https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/LUD.png 1080w\" data-sizes=\"(max-width: 824px) 100vw, 824px\" class='avia_image '  aria-label='LUD'><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-104779 avia-img-lazy-loading-not-104779 avia_image ' src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/LUD-240x300.png\" alt='' title='LUD'  height=\"300\" width=\"240\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/LUD-240x300.png 240w, https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/LUD-824x1030.png 824w, https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/LUD-768x960.png 768w, https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/LUD-564x705.png 564w, https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/LUD.png 1080w\" sizes=\"(max-width: 240px) 100vw, 240px\" \/><\/a><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-gjwl6wj-d8ae27ba7a0f05c6e3540dad3f07b7a4\">\n#top .hr.hr-invisible.av-gjwl6wj-d8ae27ba7a0f05c6e3540dad3f07b7a4{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-gjwl6wj-d8ae27ba7a0f05c6e3540dad3f07b7a4 hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lx1z7o5r-748c511c24df5efc79776ee0d2a704fc\">\n#top .av_textblock_section.av-lx1z7o5r-748c511c24df5efc79776ee0d2a704fc .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-lx1z7o5r-748c511c24df5efc79776ee0d2a704fc '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2 class=\"text-xl font-bold text-text-200 mt-1 -mb-0.5\"><span class=\"ez-toc-section\" id=\"Electromecanique_ou_Scotch-yoke_avantages_et_inconvenients\"><\/span>\u00c9lectrom\u00e9canique ou Scotch-yoke : avantages et inconv\u00e9nients<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Les <strong>solutions \u00e9lectrom\u00e9caniques<\/strong> offrent un niveau de contr\u00f4le et d&rsquo;adaptabilit\u00e9 que les syst\u00e8mes m\u00e9caniques traditionnels ont du mal \u00e0 \u00e9galer. Leur approche \u00e0 entra\u00eenement direct, combin\u00e9e \u00e0 une servocommande avanc\u00e9e, permet pratiquement tous les profils de mouvement, ce qui constitue un avantage essentiel pour tester les syst\u00e8mes d&rsquo;amortissement adaptatifs modernes ou d\u00e9velopper des amortisseurs de nouvelle g\u00e9n\u00e9ration. Gr\u00e2ce \u00e0 un contr\u00f4le pr\u00e9cis de la force et de la position tout au long de la course, ces syst\u00e8mes peuvent <strong>reproduire les conditions de conduite r\u00e9elles avec une pr\u00e9cision in\u00e9gal\u00e9e<\/strong>. De plus, leur nature \u00e9lectronique permet de modifier sans effort les profils d&rsquo;essai, \u00e9liminant ainsi les r\u00e9glages m\u00e9caniques et rendant le processus d&rsquo;essai plus efficace et \u00e0 l&rsquo;\u00e9preuve du temps.  <\/p>\n<ul>\n<li>Contr\u00f4le in\u00e9gal\u00e9 de la force et de la position tout au long de la course<\/li>\n<li>Profils de mouvement enti\u00e8rement personnalisables pour les besoins de test complexes<\/li>\n<li>Peut n\u00e9cessiter une formation sp\u00e9cialis\u00e9e<\/li>\n<li>Investissement initial plus \u00e9lev\u00e9<\/li>\n<\/ul>\n<p>Les syst\u00e8mes <strong> scotch-yoke<\/strong>, quant \u00e0 eux, suivent un principe m\u00e9canique plus simple et \u00e9tabli de longue date. Leur fiabilit\u00e9 et leur capacit\u00e9 \u00e0 fonctionner \u00e0 haute fr\u00e9quence en font un choix pratique pour les essais de durabilit\u00e9 et les environnements de production \u00e0 grand volume. Cependant, leur <strong>mouvement sinuso\u00efdal fixe leur impose des limites inh\u00e9rentes<\/strong>, r\u00e9duisant leur flexibilit\u00e9 pour les exigences des essais modernes. Bien qu&rsquo;ils offrent un investissement initial moindre et des exigences de contr\u00f4le plus simples, leur adaptabilit\u00e9 est fondamentalement limit\u00e9e.   <\/p>\n<ul>\n<li>Conception simple et \u00e9prouv\u00e9e<\/li>\n<li>Investissement initial r\u00e9duit<\/li>\n<li>Mod\u00e8le de mouvement sinuso\u00efdal rigide<\/li>\n<li>Adaptabilit\u00e9 limit\u00e9e pour les sc\u00e9narios de test avanc\u00e9s<\/li>\n<\/ul>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-zdyxhdf-7c016994c329b3b5289194865d954be5\">\n#top .hr.hr-invisible.av-zdyxhdf-7c016994c329b3b5289194865d954be5{\nheight:80px;\n}\n<\/style>\n<div  class='hr av-zdyxhdf-7c016994c329b3b5289194865d954be5 hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-lx1wt4mf-c8658f78af8c2f2b1194140ac1acc0b6 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" >\n<table id=\"tablepress-33-no-2\" class=\"tablepress tablepress-id-33\" aria-describedby=\"tablepress-33-no-2-description\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Feature<\/th><th class=\"column-2\">Scotch-Yoke<\/th><th class=\"column-3\">LUD<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Stroke<\/td><td class=\"column-2\">Fixed \/ Mechanically adjustable<\/td><td class=\"column-3\">Fully variable via software<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Cycle types<\/td><td class=\"column-2\">Sinusoidal only<\/td><td class=\"column-3\">Sinusoidal, triangular, etc.<br \/>\n(software programmable)<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Load vs Peak velocity<\/td><td class=\"column-2\"><img decoding=\"async\" src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2025\/04\/scotchyoke.jpg\" style=\"width:200px;\"><br \/>\n<br>Extremely low <br \/>\n<\/td><td class=\"column-3\"><img decoding=\"async\" src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2025\/04\/lud.jpg\" style=\"width:200px;\"><br \/>\n<br>Comparable to load at maximum speed<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Road profile reproduction<\/td><td class=\"column-2\">No<\/td><td class=\"column-3\">Yes<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">Data acquisition and control electronics<\/td><td class=\"column-2\">Typically low-end<\/td><td class=\"column-3\">Test Center by STEP Lab \u2013 same as high-end<br \/>\nmachines (HUD\/XUD)<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">Available stroke<\/td><td class=\"column-2\">Max 100 \/ 150 mm<\/td><td class=\"column-3\">350 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<span id=\"tablepress-33-no-2-description\" class=\"tablepress-table-description tablepress-table-description-id-33\"><\/span>\n<!-- #tablepress-33-no-2 from cache -->\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3wkoj7-6477c593335d3be8ed0ae5c012d0865b\">\n#top .hr.hr-invisible.av-3wkoj7-6477c593335d3be8ed0ae5c012d0865b{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-3wkoj7-6477c593335d3be8ed0ae5c012d0865b hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lx1p6m90-3c3a197a9c9b4dcf6b239192e0571494\">\n#top .av_textblock_section.av-lx1p6m90-3c3a197a9c9b4dcf6b239192e0571494 .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-lx1p6m90-3c3a197a9c9b4dcf6b239192e0571494 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2><span class=\"ez-toc-section\" id=\"Alors_quel_systeme_de_test_choisir\"><\/span>Alors, quel syst\u00e8me de test choisir ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Le choix entre ces deux technologies doit reposer sur une compr\u00e9hension claire de vos besoins en mati\u00e8re d&rsquo;essais et de vos objectifs \u00e0 long terme. \u00c0 mesure que les essais automobiles continuent d&rsquo;\u00e9voluer, les v\u00e9hicules modernes s&rsquo;appuient de plus en plus sur des syst\u00e8mes de suspension sophistiqu\u00e9s qui exigent des solutions d&rsquo;essais pr\u00e9cises et adaptables.  <strong>Les syst\u00e8mes \u00e9lectrom\u00e9caniques se distinguent dans les environnements de d\u00e9veloppement o\u00f9 l&rsquo;amortissement adaptatif n\u00e9cessite une \u00e9valuation compl\u00e8te dans un large \u00e9ventail de conditions.<\/strong> Leur capacit\u00e9 \u00e0 reproduire des profils routiers complexes et \u00e0 passer sans difficult\u00e9 d&rsquo;un mod\u00e8le de test \u00e0 un autre les rend particuli\u00e8rement adapt\u00e9s \u00e0 la recherche et \u00e0 l&rsquo;innovation. <a href=\"https:\/\/step-lab.com\/fr\/lud-shock-dyno\/\">&gt;S\u00e9rie LUD<\/a><\/p>\n<p>Les consid\u00e9rations budg\u00e9taires vont au-del\u00e0 du simple investissement initial. Si les syst\u00e8mes \u00e0 double coulisseau ont g\u00e9n\u00e9ralement un co\u00fbt initial moins \u00e9lev\u00e9, la situation financi\u00e8re \u00e0 long terme est plus nuanc\u00e9e. Les syst\u00e8mes \u00e9lectrom\u00e9caniques, malgr\u00e9 leur investissement initial plus \u00e9lev\u00e9, compensent souvent leurs co\u00fbts par des besoins de maintenance r\u00e9duits et une flexibilit\u00e9 de test sup\u00e9rieure. En revanche, la simplicit\u00e9 m\u00e9canique des <strong>syst\u00e8mes \u00e0 double coulisseau peut entra\u00eener des co\u00fbts de r\u00e9paration moins \u00e9lev\u00e9s lorsque la maintenance est n\u00e9cessaire, mais leur usure m\u00e9canique inh\u00e9rente peut entra\u00eener des besoins d&rsquo;entretien plus fr\u00e9quents au fil du temps. <\/strong><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-22hkdv-8a32686053de0813caedf33274df76dd\">\n#top .hr.hr-invisible.av-22hkdv-8a32686053de0813caedf33274df76dd{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-22hkdv-8a32686053de0813caedf33274df76dd hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div><div  class='flex_column av-6sbj1ir-1084369fac66e2a5fd6cf7a9f076da2e av_one_fifth flex_column_div  column-top-margin'     ><\/div><div  class='flex_column av-xmfi377-d943eef08ec144f3b76592d21ce069ec av_one_third first flex_column_div  '     ><\/div><div  class='flex_column av-sjm8i7n-fd0448a519f4516b72fee239cbb5b729 av_one_third flex_column_div  '     ><p><div  class='avia-video av-lx32mpan-7c4f91fed4fd961243ef3754dbb10092 avia-video-16-9 av-no-preview-image avia-video-load-always av-lazyload-immediate av-lazyload-video-embed'  itemprop=\"video\" itemtype=\"https:\/\/schema.org\/VideoObject\"  data-original_url='https:\/\/youtu.be\/mxLPw34-jJU?feature=shared'><script type='text\/html' class='av-video-tmpl'><div class='avia-iframe-wrap'><iframe loading=\"lazy\" title=\"STEP Lab | LUD - Electromechanical Damper Testing Machine - Shock Dyno\" width=\"1500\" height=\"844\" src=\"https:\/\/www.youtube.com\/embed\/mxLPw34-jJU?feature=oembed&autoplay=0&loop=0&controls=1&mute=0\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div><\/script><div class='av-click-to-play-overlay'><div class=\"avia_playpause_icon\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-lx335jxf-3dc69ddd35a7e35b2c17e248b2f4d442 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\">Machine d&rsquo;essai \u00e9lectrom\u00e9canique pour amortisseurs &#8211; LUD<\/p>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-khy99pv-6f0a44648661bc68839a4d82869da59f av_one_third flex_column_div  '     ><\/div><div  class='flex_column av-i53zkdv-21876e2a6c988bcd0bf4ca1504a81f69 av_one_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-bsy7enn-869520e4853c80a4bed49643c8a180f3 av_three_fifth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7cpmier-2e1e2ac9e9858cb8cf630bf208dd29dd\">\n#top .hr.hr-invisible.av-7cpmier-2e1e2ac9e9858cb8cf630bf208dd29dd{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-7cpmier-2e1e2ac9e9858cb8cf630bf208dd29dd hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lx1p70tf-ff55e5df3a77c3705fe3f3e46aa2b884\">\n#top .av_textblock_section.av-lx1p70tf-ff55e5df3a77c3705fe3f3e46aa2b884 .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-lx1p70tf-ff55e5df3a77c3705fe3f3e46aa2b884 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2 class=\"text-xl font-bold text-text-200 mt-1 -mb-0.5\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"whitespace-pre-wrap break-words\">Le choix entre les bancs d&rsquo;essai <strong>\u00e9lectrom\u00e9caniques <\/strong> et les <strong>bancs d&rsquo;essai \u00e0 scotch-yoke <\/strong> d\u00e9pend d&rsquo;une <strong>\u00e9valuation minutieuse des exigences en mati\u00e8re d&rsquo;essais, des contraintes budg\u00e9taires et des besoins \u00e0 long terme en mati\u00e8re d&rsquo;essais.<\/strong><\/p>\n<p class=\"whitespace-pre-wrap break-words\">Les syst\u00e8mes \u00e9lectrom\u00e9caniques offrent une flexibilit\u00e9 et un contr\u00f4le pr\u00e9cis in\u00e9gal\u00e9s, ce qui les rend id\u00e9aux pour les exigences de test sophistiqu\u00e9es et les applications de recherche. Les syst\u00e8mes Scotch-yoke fournissent des solutions de test fiables et rentables, particuli\u00e8rement adapt\u00e9es aux tests de production \u00e0 grand volume avec des param\u00e8tres constants. <strong>La compr\u00e9hension de ces facteurs garantit que le syst\u00e8me s\u00e9lectionn\u00e9 fournira les capacit\u00e9s de test n\u00e9cessaires <\/strong> tout en offrant une valeur ajout\u00e9e tout au long de sa dur\u00e9e de vie op\u00e9rationnelle. <\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-lx32xc96-d5558933ca36d015407f3dfd75415146-wrap avia-button-left '><a href='https:\/\/step-lab.com\/fr\/systemes-dessai-amortisseurs\/'  class='avia-button av-lx32xc96-d5558933ca36d015407f3dfd75415146 av-link-btn avia-icon_select-yes-left-icon avia-size-large avia-position-left avia-color-theme-color'  target=\"_blank\"  rel=\"noopener noreferrer\"  aria-label=\"D\u00e9couvrez toutes les machines de dynamom\u00e8tre \u00e0 choc\"><span class='avia_button_icon avia_button_icon_left avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue832' data-av_iconfont='entypo-fontello' ><\/span><span class='avia_iconbox_title' >D\u00e9couvrez toutes les machines de dynamom\u00e8tre \u00e0 choc<\/span><\/a><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-vgi3kqb-384cea8b7bb228d1809aa516e3d7d465\">\n#top .hr.hr-invisible.av-vgi3kqb-384cea8b7bb228d1809aa516e3d7d465{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-vgi3kqb-384cea8b7bb228d1809aa516e3d7d465 hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<div  class='av-post-metadata-container av-lx1ynazu-de9d099fcd64ea4a7b051b396304b04c av-metadata-container-align-left av-metadata-container-2'><div class='av-post-metadata-container-inner'><span class=\"av-post-metadata-content av-post-metadata-meta-content\"><span class=\"av-post-metadata-content av-post-metadata-author\"  itemprop=\"author\" ><span class=\"av-metadata-before av-metadata-before-author\">by<\/span><span class=\"av-post-metadata-author-link\" ><a href=\"https:\/\/step-lab.com\/fr\/author\/nicola-d\/\"  rel=\"author\">Nicola D.<\/a><\/span><\/span><span class=\"av-post-metadata-content av-post-metadata-separator\">\/<\/span><span class=\"av-post-metadata-content av-post-metadata-modified\"><span class=\"av-post-metadata-modified-date\" >4 d\u00e9cembre 2025<\/span><\/span><span class=\"av-post-metadata-content av-post-metadata-separator\">\/<\/span><span class=\"av-post-metadata-content av-post-metadata-category\"><span class=\"av-metadata-before av-metadata-before-categories\">in<\/span><span class=\"av-post-metadata-category-link\" ><a href=\"https:\/\/step-lab.com\/fr\/category\/actualites\/\" >Actualit\u00e9s<\/a><\/span><\/span><span class=\"av-post-metadata-content av-post-metadata-separator\">\/<\/span><span class=\"av-post-metadata-content av-post-metadata-category\"><span class=\"av-post-metadata-category-link\" ><a href=\"https:\/\/step-lab.com\/tag\/shock-dynos\/\" >shock dynos<\/a><\/span><\/span><\/span><\/div><\/div><\/p><\/div><div  class='flex_column av-fo8g3g3-0f87ea74349cc8115f0aa76a09f40e8b av_one_fifth flex_column_div  '     ><\/div>\n","protected":false},"excerpt":{"rendered":"<p>D\u00e9couvrez les diff\u00e9rences essentielles entre les bancs d&rsquo;essai \u00e0 actionneur lin\u00e9aire \u00e9lectrom\u00e9canique et les m\u00e9canismes \u00e0 scotch-yoke pour des essais pr\u00e9cis sur les amortisseurs dans notre guide complet.<\/p>\n","protected":false},"author":5,"featured_media":115001,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[283],"tags":[292],"class_list":["post-115015","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-shock-dynos"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - 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