{"id":4233,"date":"2023-03-11T17:18:07","date_gmt":"2023-03-11T09:18:07","guid":{"rendered":"http:\/\/gcanbus.com\/?p=4233"},"modified":"2023-03-11T17:18:07","modified_gmt":"2023-03-11T09:18:07","slug":"why-choose-absolute-encoders","status":"publish","type":"post","link":"https:\/\/gcanbus.com\/fr\/why-choose-absolute-encoders\/","title":{"rendered":"Pourquoi choisir les codeurs absolus"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background hundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-stretch fusion-flex-justify-content-space-evenly fusion-flex-content-wrap\" style=\"width:104% !important;max-width:104% !important;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-block\"><div class=\"fusion-text fusion-text-1\" style=\"--awb-margin-left:5%;\"><p data-track=\"1\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Pourquoi les <strong>servo<\/strong> les fabricants choisissent les codeurs absolus ? <\/span><span style=\"vertical-align: inherit;\">Nous savons que l'encodeur est l'une des structures les plus importantes de la <strong>syst\u00e8me d'asservissement<\/strong>C'est aussi le premier \u00e9l\u00e9ment qui le distingue des moteurs ordinaires. <\/span><span style=\"vertical-align: inherit;\">Gr\u00e2ce \u00e0 la structure de l'encodeur, nous pouvons conna\u00eetre l'\u00e9tat du mouvement du moteur et r\u00e9duire progressivement l'erreur de mouvement du moteur par le biais de l'algorithme PID jusqu'\u00e0 ce qu'il n'y ait plus d'erreur.<\/span><\/span><\/p>\n<p data-track=\"2\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Les servo-codeurs les plus courants sont les codeurs incr\u00e9mentaux et les codeurs absolus. <\/span><span style=\"vertical-align: inherit;\">Actuellement, la plupart des servos sur le march\u00e9 utilisent des encodeurs absolus, pourquoi ?<\/span><\/span><\/p>\n<p data-track=\"2\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">En cas de coupure de courant, le codeur incr\u00e9mental doit r\u00e9initialiser la position initiale, ce qui est fastidieux, mais ce n'est pas le cas du codeur absolu, qui reste \u00e0 sa place apr\u00e8s la coupure de courant.<\/span><\/span><\/p>\n<p data-track=\"2\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">En outre, la pr\u00e9cision des codeurs absolus est de plus en plus \u00e9lev\u00e9e, et des dizaines de milliers de signaux d'impulsion peuvent \u00eatre envoy\u00e9s apr\u00e8s un tour du moteur, comme un codeur absolu multitour de 23 bits.<\/span><\/span><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_4 1_4 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:25%;--awb-margin-top-large:0px;--awb-spacing-right-large:7.68%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:7.68%;--awb-width-medium:25%;--awb-order-medium:0;--awb-spacing-right-medium:7.68%;--awb-spacing-left-medium:7.68%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-block\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\"fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><img decoding=\"async\" width=\"911\" height=\"800\" title=\"640\" src=\"https:\/\/gcanbus.com\/wp-content\/uploads\/2023\/03\/640-1.webp\" data-orig-src=\"http:\/\/gcanbus.com\/wp-content\/uploads\/2023\/03\/640-1.webp\" alt class=\"lazyload img-responsive wp-image-4230\" 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fusion-builder-column-2 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-2\"><p style=\"text-align: right;\"><span style=\"font-size: 14pt; color: #333333;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\">\u00c0 la recherche d'un <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"http:\/\/gcanbus.com\/fr\/plc-io-coupler\/\">Coupleur PLC E\/S<\/a><\/span>? <\/span><\/strong><strong><span 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