{"id":23222,"date":"2025-03-20T21:45:39","date_gmt":"2025-03-20T21:45:39","guid":{"rendered":"https:\/\/liquidinstruments.com\/?p=23222"},"modified":"2025-08-29T04:03:37","modified_gmt":"2025-08-29T04:03:37","slug":"digital-feedback-control-loops-in-the-frequency-domain","status":"publish","type":"post","link":"https:\/\/liquidinstruments.com\/webinars\/digital-feedback-control-loops-in-the-frequency-domain\/","title":{"rendered":"Digital feedback control loops in the frequency domain","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column]\n    <div data-component='call_to_action' class='vc_row-fluid cta w-full mx-auto cta-outline'>\n      <div class='flex w-full gap-4 flex-row items-center justify-between  items-center'>\n      \n        <div class='max-w-prose wpb_column vc_column_container vc_col-sm-12'>\n          <div class='vc_column-inner'>\n            \n            <h2 style=\"text-align: left;\"><span class=\"s1\"><b>Webinar details<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\"><strong>Date:<\/strong> May 8, 2025\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Speaker: <\/strong><a href=\"https:\/\/www.linkedin.com\/in\/john--miller\/\" target=\"_blank\" rel=\"noopener\">John Miller, Ph.D.<\/a><br \/>\nApplications Engineer, Liquid Instruments\u00a0<\/span><\/p>\n<p><strong>Co-host: <\/strong><a href=\"https:\/\/www.linkedin.com\/in\/aimeekalnoskas\/\" target=\"_blank\" rel=\"noopener\">Aimee Kalnoskas<\/a><br \/>\nEditor in Chief, <a href=\"https:\/\/www.eeworldonline.com\/\" target=\"_blank\" rel=\"noopener\">EE World Online<\/a><\/p>\n\n          <\/div>\n        <\/div>\n        <div class='min-w-48 flex flex-row gap-4 xs:flex-col'>\n          <a class=\"button relative gap-2 items-center blue filled medium  \" href=\"#form\" title=\"Watch now\" target=\"\"><span class=\"flex-1\">Watch now<\/span><\/a>\n  \n  \n  \n        <\/div>\n      <\/div>\n    <\/div>[vc_column_text css=&#8221;&#8221;]<\/p>\n<h2><span style=\"font-weight: 400;\">Overview<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Feedback control systems are omnipresent across all scientific fields. Researchers use them to simplify complex systems and focus on the most critical aspects of their work. In industrial settings, control loops help to increase efficiency, reduce waste, and ultimately boost profits.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In this webinar, we introduce the essentials of feedback control loops as described in the frequency domain. Beginning from the fundamental ideas of transfer function and frequency response, learn how to construct complex systems from basic building blocks. Then see how to analyze their performance in terms of reference tracking and disturbance rejection, while focusing on loop stability.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To conclude the discussion, we use reconfigurable, FPGA-based instrumentation to demonstrate a feedback control loop. Watch on demand to see how the all-digital, software-defined framework enables swift parameter changes with integrated characterization and measurement tools that ensure design goals can be quickly achieved.<\/span><\/p>\n<p>A live Q&amp;A session follows the presentation.\u00a0For detailed answers to questions asked during the presentation, including decoding digital feedback signals, improving loop stability, and how Nyquist sampling affects the Moku PID Controller feedback bandwidth, check out our <a href=\"https:\/\/liquidinstruments.com\/blog\/digital-feedback-control-loops-in-the-frequency-domain-qa-recap\/\" target=\"_blank\" rel=\"noopener\">blog<\/a>.<\/p>\n<p><span style=\"font-weight: 400;\">Presented as part of the <a href=\"https:\/\/event.on24.com\/eventRegistration\/EventLobbyServlet?target=reg20.jsp&amp;eventid=4462710&amp;sessionid=1&amp;key=84F2C5E030D940A3233D71AB543B527A&amp;groupId=5855252&amp;partnerref=Regpage&amp;sourcepage=register\" target=\"_blank\" rel=\"noopener\">EE Training Days<\/a> webinar series with <a href=\"https:\/\/www.eeworldonline.com\/\" target=\"_blank\" rel=\"noopener\">EE World Online<\/a>.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">What you&#8217;ll learn:<\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Learn about the theory of control loops in the frequency domain.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Find out how the FPGA-based <a href=\"https:\/\/liquidinstruments.com\/products\/integrated-instruments\/pid-controller\/\" target=\"_blank\" rel=\"noopener\">Moku PID Controller<\/a> can offer a complete, closed-loop control system in one device.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">See how a digital control loop can speed up iteration compared to analog circuits.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Who should attend:<\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Academic researchers working with laser and cavity stabilization\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Researchers working with integrated circuits and semiconductor devices<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Students wishing to learn more about techniques and instrumentation<\/span><\/li>\n<\/ul>\n<p>[\/vc_column_text]\n    <div data-component='feature_block' class='feature-block vc_row wpb_row vc_row-fluid items-start '>\n      <div class='wpb_column vc_column_container vc_col-sm-6'>\n      <div class='vc_column-inner gap-4'>\n      \n        <div class='inline-flex flex-col'>\n    <span class='self-start w-auto pill'>Meet the presenter<\/span>\n    \n  <\/div>\n      <p><span style=\"font-weight: 400;\">Once an evangelical Liquid Instruments customer, John Miller is now an applications engineer <\/span><span style=\"font-weight: 400;\">supporting the European market. Working at the interface of product development and sales, <\/span><span style=\"font-weight: 400;\">John supports scientists and engineers using Moku devices across a range of fields. John <\/span><span style=\"font-weight: 400;\">pursued academic research related to interferometric gravitational wave detectors at Caltech <\/span><span style=\"font-weight: 400;\">and MIT for almost two decades before transitioning to a career in industry, where he focused <\/span><span style=\"font-weight: 400;\">on LiDAR sensors for mobile and automotive applications. John holds M.Sci. and Ph.D. degrees <\/span><span style=\"font-weight: 400;\">in physics from the University of Glasgow.<\/span><\/p>\n\n      \n      <\/div>\n      <\/div>\n      <div class='wpb_column relative vc_column_container vc_col-sm-6'><div class='vc_column-inner'>\n    <img decoding=\"async\"\n      data-component=\"image_block\"\n      src=\"https:\/\/liquidinstruments.com\/wp-content\/uploads\/2025\/03\/John-Miller-headshot.jpeg\"\n      srcset=\"https:\/\/liquidinstruments.com\/wp-content\/uploads\/2025\/03\/John-Miller-headshot.jpeg 384w, https:\/\/liquidinstruments.com\/wp-content\/uploads\/2025\/03\/John-Miller-headshot-225x300.jpeg 225w, https:\/\/liquidinstruments.com\/wp-content\/uploads\/2025\/03\/John-Miller-headshot-300x400.jpeg 300w\"\n      sizes=\"(max-width: 50em) 87vw, (max-width: 80em) 680px\"\n      alt=\"John Miller, Ph.D.\"\n      loading=\"eager\"\n      fetchpriority=\"high\"\n      style=\"aspect-ratio:auto; width:100%\"\n      class=\"image-block\"\n    ><\/div><\/div>\n    <\/div>[\/vc_column][\/vc_row][vc_row el_id=&#8221;form&#8221;][vc_column][vc_row_inner][vc_column_inner][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner][vc_column_text css=&#8221;&#8221;]<\/p>\n<h3 style=\"text-align: center;\"><strong>Register for immediate access<\/strong><\/h3>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner]<div data-hubspot-form=\"true\" class=\"hubspot-form hs-form-html\" data-hubspot-form-id=\"61b558a6-31a8-4a03-97df-b6a12d9254c3\" data-hubspot-form-id-zh=\"\" data-hubspot-form-id-ja=\"\" data-hubspot-form-id-ko=\"\"><\/div>[\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;] Overview Feedback control systems are omnipresent across all scientific fields. Researchers use them to simplify complex systems and focus on the most critical aspects of their work. In industrial settings, control loops help to increase efficiency, reduce waste, and ultimately boost profits. In this webinar, we introduce the essentials of feedback control loops [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":36,"featured_media":23228,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[55],"tags":[],"class_list":["post-23222","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-webinars","site-category-pid-controller","site-category-webinar-registration"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Webinar: Digital feedback control loops in the frequency domain<\/title>\n<meta name=\"description\" content=\"Learn the essentials of feedback control loops within the frequency domain. 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See new ways to analyze performance while focusing on loop stability.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/liquidinstruments.com\/webinars\/digital-feedback-control-loops-in-the-frequency-domain\/\" \/>\n<meta property=\"og:site_name\" content=\"Liquid Instruments\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/LiquidInstruments\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-03-20T21:45:39+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-29T04:03:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/liquidinstruments.com\/wp-content\/uploads\/2025\/03\/3020_LiquidInstruments_123-1-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1707\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"mmcardle\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@liquidinstrmnts\" \/>\n<meta name=\"twitter:site\" content=\"@liquidinstrmnts\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"mmcardle\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/liquidinstruments.com\/webinars\/digital-feedback-control-loops-in-the-frequency-domain\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/liquidinstruments.com\/webinars\/digital-feedback-control-loops-in-the-frequency-domain\/\"},\"author\":{\"name\":\"mmcardle\",\"@id\":\"https:\/\/liquidinstruments.com\/#\/schema\/person\/a3d838bd1576c0f8f6fb52f263bd338a\"},\"headline\":\"Digital feedback control loops in the frequency domain\",\"datePublished\":\"2025-03-20T21:45:39+00:00\",\"dateModified\":\"2025-08-29T04:03:37+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/liquidinstruments.com\/webinars\/digital-feedback-control-loops-in-the-frequency-domain\/\"},\"wordCount\":501,\"publisher\":{\"@id\":\"https:\/\/liquidinstruments.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/liquidinstruments.com\/webinars\/digital-feedback-control-loops-in-the-frequency-domain\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/liquidinstruments.com\/wp-content\/uploads\/2025\/03\/3020_LiquidInstruments_123-1-scaled.jpg\",\"articleSection\":[\"Webinars\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/liquidinstruments.com\/webinars\/digital-feedback-control-loops-in-the-frequency-domain\/\",\"url\":\"https:\/\/liquidinstruments.com\/webinars\/digital-feedback-control-loops-in-the-frequency-domain\/\",\"name\":\"Webinar: Digital feedback control loops in the frequency domain\",\"isPartOf\":{\"@id\":\"https:\/\/liquidinstruments.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/liquidinstruments.com\/webinars\/digital-feedback-control-loops-in-the-frequency-domain\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/liquidinstruments.com\/webinars\/digital-feedback-control-loops-in-the-frequency-domain\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/liquidinstruments.com\/wp-content\/uploads\/2025\/03\/3020_LiquidInstruments_123-1-scaled.jpg\",\"datePublished\":\"2025-03-20T21:45:39+00:00\",\"dateModified\":\"2025-08-29T04:03:37+00:00\",\"description\":\"Learn the essentials of feedback control loops within the frequency domain. 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