{"id":160,"date":"2025-03-13T17:29:14","date_gmt":"2025-03-13T17:29:14","guid":{"rendered":"https:\/\/lkt.com.uy\/?p=160"},"modified":"2025-03-13T17:33:22","modified_gmt":"2025-03-13T17:33:22","slug":"ajuste-lazos-pid-en-potabilizadora-y-wfi-water-for-inyection-industria-farmaceutica","status":"publish","type":"post","link":"https:\/\/lkt.com.uy\/index.php\/2025\/03\/13\/ajuste-lazos-pid-en-potabilizadora-y-wfi-water-for-inyection-industria-farmaceutica\/","title":{"rendered":"Ajuste lazos PID en Potabilizadora y WFI (Water For Inyection) (Industria farmac\u00e9utica)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Los lazos de control PID son parte fundamental de todo sistema automatizado, estos se encargan de que las variables de control de proceso se mantengan sobre lo setpoints establecidos para el optimo funcionamiento del sistema o equipos. Debido a desgastes a nivel mec\u00e1nico, el\u00e9ctrico o incorrecto funcionamiento de sensores estos lazos pueden entrar en zonas de oscilaci\u00f3n o incluso en zonas muy alejadas del set point de control.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Particularmente en esta situaci\u00f3n, el cliente se encontraba funcionando con los lazos de control de PH, metabisulfito y cloro en forma manual (velocidad de bomba fija) desde hac\u00eda algunos a\u00f1os ya que el operario de los equipos ten\u00eda la experiencia suficiente para poder manejarlos de esta forma.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esto generaba dos inconvenientes potencialmente graves, la dependencia total del operario que ante ausencias dificultaba la operaci\u00f3n de planta y el sobre consumo de algunos insumos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Debido a que los tres lazos(PH, metabisulfito y cloro) tienen influencias uno sobre otros, el ajuste debe hacerse tratando de mantener los otros dos fijos. En estos equipos el lazo mas critico es el de PH que utiliza soda para controlar este valor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para el ajuste de estos lazos es necesario que podamos graficar la variable de control(CV) y proceso(PV) en funcion del tiempo y en el mismo grafico ya que los calculos de las constantes del lazo(Kp, Ki y Kd) se realizan en funcion de este comportamiento.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El equipo de potabilizacion no contaba con grafica de ninguna de las variables a ajustar por lo tanto fue necesario desarrollar una peque\u00f1a aplicaci\u00f3n en HMI Weintek para poder tener estos graficos, no solo sirvio para el momento del ajuste sino tambien para poder hacer seguimiento del comportamiento cuando el equipo no estaba siendo supervisado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En el caso del equipo de WFI(Water For Inyection) si contaba con graficas por lo tanto no fue necesaria intervenci\u00f3n en este aspecto.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Luego de una semana de trabajo en cada equipo se logro ajustar los seis lazos de control(tres en cada uno) disminuyendo de forma considerable el consumo de insumos(soda, cloro y metabisulfito) y la cantidad de horas de supervisi\u00f3n necesaria para poner los equipos en r\u00e9gimen.<\/p>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\">Cabe destacar que ambos equipos son el coraz\u00f3n del proceso productivo de las plantas farmac\u00e9uticas dedicadas a la fabricaci\u00f3n de inyectables y sueros ya que se encargan de generar la materia prima principal, agua WFI.<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><img loading=\"lazy\" decoding=\"async\" width=\"199\" height=\"140\" class=\"wp-image-161\" style=\"width: 199px;\" src=\"https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/9.jpg\" alt=\"\" srcset=\"https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/9.jpg 1557w, https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/9-300x212.jpg 300w, https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/9-1024x722.jpg 1024w, https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/9-768x542.jpg 768w, https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/9-1536x1083.jpg 1536w\" sizes=\"auto, (max-width: 199px) 100vw, 199px\" \/><img loading=\"lazy\" decoding=\"async\" width=\"232\" height=\"144\" class=\"wp-image-162\" style=\"width: 232px;\" src=\"https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/10.jpg\" alt=\"\" srcset=\"https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/10.jpg 1186w, https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/10-300x186.jpg 300w, https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/10-1024x634.jpg 1024w, https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/10-768x475.jpg 768w\" sizes=\"auto, (max-width: 232px) 100vw, 232px\" \/><img loading=\"lazy\" decoding=\"async\" width=\"274\" height=\"140\" class=\"wp-image-163\" style=\"width: 274px;\" src=\"https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/11.jpg\" alt=\"\" srcset=\"https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/11.jpg 1595w, https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/11-300x154.jpg 300w, https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/11-1024x525.jpg 1024w, https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/11-768x393.jpg 768w, https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/11-1536x787.jpg 1536w\" sizes=\"auto, (max-width: 274px) 100vw, 274px\" \/><img loading=\"lazy\" decoding=\"async\" width=\"257\" height=\"142\" class=\"wp-image-164\" style=\"width: 257px;\" src=\"https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/12.jpg\" alt=\"\" srcset=\"https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/12.jpg 1564w, https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/12-300x166.jpg 300w, https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/12-1024x566.jpg 1024w, https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/12-768x424.jpg 768w, https:\/\/lkt.com.uy\/wp-content\/uploads\/2025\/03\/12-1536x849.jpg 1536w\" sizes=\"auto, (max-width: 257px) 100vw, 257px\" \/><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Los lazos de control PID son parte fundamental de todo sistema automatizado, estos se encargan de que las variables de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":164,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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