{"id":594,"date":"2024-12-19T08:00:00","date_gmt":"2024-12-19T07:00:00","guid":{"rendered":"https:\/\/control-advent.com\/?p=594"},"modified":"2025-11-28T19:06:17","modified_gmt":"2025-11-28T18:06:17","slug":"19-el-curioso-caso-del-control-de-la-cinta-y-las-ardillas-ansiosas-por-galletas","status":"publish","type":"post","link":"https:\/\/control-advent.com\/?p=594","title":{"rendered":"19 &#8211; El curioso caso del control de la cinta y las ardillas ansiosas por galletas"},"content":{"rendered":"\n<p><strong>Autor de esta pregunta:<\/strong>&nbsp;Antonio Visioli,&nbsp;<em>Dipartimento di Ingegneria Meccanica e Industriale,<\/em>&nbsp;Universit\u00e0 degli Studi di Brescia, Italia<\/p>\n\n\n\n<p>Santa Claus quiere que los elfos optimicen el proceso de envolver regalos para que sea lo m\u00e1s fluido y eficiente posible. Para ello, les pide dise\u00f1ar un sistema que mantenga la cinta transportadora funcionando a una velocidad constante y deseada.<\/p>\n\n\n\n<p>El sistema permite ajustar la velocidad mediante botones espec\u00edficos: presionar un bot\u00f3n azul acelera la cinta, mientras que presionar un bot\u00f3n rojo la desacelera. Adem\u00e1s, la intensidad del cambio depende del n\u00famero de botones presionados: si se presionan dos botones azules, la cinta acelera al doble de velocidad que con uno solo, y lo mismo ocurre con los botones rojos para desacelerar. Los elfos han ideado una soluci\u00f3n creativa para automatizar el control de los botones azules y rojos, recurriendo a la gran comunidad de ardillas que habita en el bosque cercano al taller de Santa Claus. Cada minuto, una ardilla nueva se une al equipo. Si, durante el minuto anterior, la cinta transportadora estuvo demasiado lenta en promedio, la ardilla comienza a presionar un bot\u00f3n azul para acelerar. Por el contrario, si la cinta fue demasiado r\u00e1pida, la ardilla opta por presionar un bot\u00f3n rojo para desacelerar. Sin embargo, hay un detalle curioso: si una ardilla presiona un bot\u00f3n azul mientras otra presiona un bot\u00f3n rojo al mismo tiempo, sus esfuerzos se cancelan mutuamente, permiti\u00e9ndoles tomarse un merecido descanso. <\/p>\n\n\n\n<p>Cuando Santa escucha acerca de este innovador sistema, r\u00e1pidamente identifica un problema significativo que podr\u00eda afectar su funcionamiento (y no, no se trata de las galletas extra necesarias para mantener a las ardillas activas). \u00bfPuedes imaginar cu\u00e1l es el problema que preocupa a Santa?<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/19-Dec-2024.jpg\" alt=\"\" class=\"wp-image-433\" style=\"width:691px;height:auto\" srcset=\"https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/19-Dec-2024.jpg 1024w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/19-Dec-2024-300x300.jpg 300w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/19-Dec-2024-150x150.jpg 150w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/19-Dec-2024-768x768.jpg 768w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/19-Dec-2024-640x640.jpg 640w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/19-Dec-2024-24x24.jpg 24w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/19-Dec-2024-36x36.jpg 36w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/19-Dec-2024-48x48.jpg 48w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>a. \ud83d\ude80\ud83d\udcc8\u23f8\ufe0f \u00a1Cuidado! Si se establece una nueva velocidad m\u00e1s alta de repente, \u00a1la cinta transportadora podr\u00eda acelerarse descontroladamente hasta alcanzar su velocidad m\u00e1xima y quedarse atascada a ese nivel indefinidamente!<\/p>\n\n\n\n<p>b. \u26a1\ud83c\udfa2\ud83c\udfc3\u200d\u2642\ufe0f \u00a1Cuidado! Si se establece una nueva velocidad m\u00e1s alta de repente, \u00a1habr\u00e1 momentos en los que la cinta se mover\u00e1 m\u00e1s r\u00e1pido de lo deseado!<\/p>\n\n\n\n<p>c. \ud83d\udc3f\ufe0f\ud83d\udca5\ud83d\udeab \u00a1Cuidado! Si se establece una nueva velocidad m\u00e1s alta justo en el momento en que aparece una nueva ardilla, \u00a1el motor podr\u00eda sobrecargarse y fallar!<\/p>\n\n\n\n<p>d. \ud83d\uded1\u23f3\ud83d\udcca \u00a1Cuidado! Si se establece una nueva velocidad m\u00e1s alta de repente, \u00a1la cinta podr\u00eda detenerse completamente antes de alcanzar la velocidad objetivo!<\/p>\n\n\n<div class='bootstrap-yop yop-poll-mc'>\n\t\t\t\t\t\t\t<div class=\"basic-yop-poll-container\" style=\"background-color:#b70004; border:0px; border-style:solid; border-color:#b70004; border-radius:0px; padding:10px 10px;\" data-id=\"24\" data-temp=\"basic\" data-skin=\"minimal\" data-cscheme=\"black\" data-cap=\"0\" data-access=\"wordpress\" data-tid=\"\" data-uid=\"c5ab22ccd09b0a491965e063ba4dfcc1\" data-pid=\"594\" data-resdet=\"percentages\" data-show-results-to=\"\" data-show-results-moment=\"never\" data-show-results-only=\"false\" data-show-message=\"true\" data-show-results-as=\"bar\" data-sort-results-by=\"as-defined\" data-sort-results-rule=\"asc\"data-is-ended=\"0\" data-gdpr=\"no\" data-gdpr-sol=\"consent\" data-css=\".basic-yop-poll-container[data-uid] .basic-vote { text-align: center; }\" data-counter=\"0\" data-load-with=\"1\" data-notification-section=\"top\"><div class=\"row\"><div class=\"col-md-12\"><div class=\"basic-inner\"><div class=\"basic-message hide\" style=\"border-left: 10px solid #008000; 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Para ello, les pide &hellip; <span class=\"more-link\"><a href=\"https:\/\/control-advent.com\/?p=594\" class=\"readmore\">Continue reading<span class=\"screen-reader-text\">19 &#8211; El curioso caso del control de la cinta y las ardillas ansiosas por galletas<\/span><\/a><\/span><\/p>\n","protected":false},"author":4,"featured_media":433,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48],"tags":[99],"class_list":["post-594","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espanol","tag-99"],"_links":{"self":[{"href":"https:\/\/control-advent.com\/index.php?rest_route=\/wp\/v2\/posts\/594","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/control-advent.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/control-advent.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/control-advent.com\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/control-advent.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=594"}],"version-history":[{"count":3,"href":"https:\/\/control-advent.com\/index.php?rest_route=\/wp\/v2\/posts\/594\/revisions"}],"predecessor-version":[{"id":1200,"href":"https:\/\/control-advent.com\/index.php?rest_route=\/wp\/v2\/posts\/594\/revisions\/1200"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/control-advent.com\/index.php?rest_route=\/wp\/v2\/media\/433"}],"wp:attachment":[{"href":"https:\/\/control-advent.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/control-advent.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=594"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/control-advent.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}