{"id":119460,"date":"2023-02-27T06:03:23","date_gmt":"2023-02-27T06:03:23","guid":{"rendered":"https:\/\/www.controleng.com\/articles\/mechanism-enabled-reconfigurable-antennas-facilitate-future-wireless-technology\/"},"modified":"2025-04-23T19:00:31","modified_gmt":"2025-04-24T00:00:31","slug":"mechanism-enabled-reconfigurable-antennas-facilitate-future-wireless-technology","status":"publish","type":"post","link":"https:\/\/www.controleng.com\/mechanism-enabled-reconfigurable-antennas-facilitate-future-wireless-technology\/","title":{"rendered":"Mechanism-enabled, reconfigurable antennas facilitate future wireless technology"},"content":{"rendered":"<p>Reconfigurable antennas \u2014 those that can tune properties like frequency or radiation beams in real time, from afar \u2014 are integral to future communication network systems, like 6G. However, many current reconfigurable antenna designs can fall short: they dysfunction in high or low temperatures, have power limitations or require regular servicing.<\/p>\n<p>To address these limitations, electrical engineers in the Penn State College of Engineering combined electromagnets with a compliant mechanism, which is the same mechanical engineering concept behind binder clips or a bow and arrow. They published their proof-of-concept reconfigurable compliant mechanism-enabled patch antenna today (Feb. 13) in\u00a0<a href=\"https:\/\/www.nature.com\/articles\/s41467-023-36143-6\">Nature Communications<\/a>.<\/p>\n<p>\u201cCompliant mechanisms are engineering designs that incorporate elements of the materials themselves to create motion when force is applied, instead of traditional rigid body mechanisms that require hinges for motion,\u201d said corresponding author Galestan Mackertich-Sengerdy, who is both a doctoral student and a full-time researcher in the college\u2019s School of Electrical Engineering and Computer Science (EECS). \u201cCompliant mechanism-enabled objects are engineered to bend repeatedly in a certain direction and to withstand harsh environments.\u201d<\/p>\n<p>When applied to a reconfigurable antenna, its complaint mechanism-enabled arms bend in a predictable way, which in turn changes its operating frequencies \u2014 without the use of hinges or bearings.<\/p>\n<p>\u201cJust like a chameleon triggers the tiny bumps on its skin to move, which changes its color, a reconfigurable antenna can change its frequency from low to high and back, just by configuring its mechanical properties, enabled by the compliant mechanism,\u201d said co-author Sawyer Campbell, associate research professor in EECS.<\/p>\n<p>The compliant mechanism-enabled designs supersede existing origami design technologies, named after the Japanese art of paper folding, which are reconfigurable but do not have the same advantages in robustness, long term reliability and high-power handling capability.<\/p>\n<figure id=\"attachment_528580\" aria-describedby=\"caption-attachment-528580\" style=\"width: 641px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-528580\" src=\"https:\/\/www.controleng.com\/wp-content\/uploads\/2024\/11\/CE2302_WEB_IMG_PennState_antennas_fig2.jpg\" alt=\"Researchers illustrated and designed a circular, iris-shaped patch antenna prototype using commercial electromagnetic simulation software. Though the prototype is only slightly larger than a human palm, the technology can be scaled to the integrated circuit level for higher frequencies or increased in size for lower frequency applications, according to researchers. Credit: Jeff Xu\/Penn State.\" width=\"641\" height=\"428\" \/><figcaption id=\"caption-attachment-528580\" class=\"wp-caption-text\">Researchers illustrated and designed a circular, iris-shaped patch antenna prototype using commercial electromagnetic simulation software. Though the prototype is only slightly larger than a human palm, the technology can be scaled to the integrated circuit level for higher frequencies or increased in size for lower frequency applications, according to researchers. Credit: Jeff Xu\/Penn State.<\/figcaption><\/figure>\n<p>\u201cOrigami antenna designs are known for their compact folding and storage capabilities that can then be deployed later on in the application,\u201d Mackertich-Sengerdy said. \u201cBut once these origami folded structures are deployed, they usually need a complex stiffening structure, so that they don\u2019t warp or bend. If not carefully designed, these types of devices would suffer environmental and operational lifetime limitations in the field.\u201d<\/p>\n<p>The team illustrated and designed a circular, iris-shaped patch antenna prototype using commercial electromagnetic simulation software. They then 3D printed it and tested it for fatigue failures as well as frequency and radiation pattern fidelity in Penn State\u2019s anechoic chamber, a room insulated with electromagnetic wave-absorbing material that prevents signals from interfering with antenna testing.<\/p>\n<p>Though the prototype \u2014 designed to target a specific frequency for demonstration \u2014 is only slightly larger than a human palm, the technology can be scaled to the integrated circuit level for higher frequencies or increased in size for lower frequency applications, according to researchers.<\/p>\n<p>Compliant mechanism research has increased in popularity due to the rise of 3D printing, according to the researchers, which enables endless design variations. It was Mackertich-Sengerdy\u2019s background in mechanical engineering that gave him the idea to apply this specific class of compliant mechanisms to electromagnetics.<\/p>\n<p>\u201cThe paper introduces compliant mechanisms as a new design paradigm for the entire electromagnetics community, and we anticipate it growing,\u201d said co-author Douglas Werner, John L. and Genevieve H. McCain Chair Professor of EECS. \u201cIt could be the branching off point for an entirely new field of designs with exciting applications we haven\u2019t dreamed of yet.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Researchers create complaint mechanism-enabled arms that bend in a predictable way without the use of hinges or bearings.<\/p>\n","protected":false},"author":1400,"featured_media":119462,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[104049],"tags":[],"tracking-metrics":[],"display-location":[],"class_list":{"2":"type-post"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Mechanism-enabled, reconfigurable antennas facilitate future wireless technology - Control Engineering<\/title>\n<meta name=\"robots\" content=\"index, follow, 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