{"id":1597,"date":"2023-06-06T13:18:30","date_gmt":"2023-06-06T11:18:30","guid":{"rendered":"https:\/\/webs.uab.cat\/gemmacimitec\/research-lines\/"},"modified":"2023-07-19T12:39:21","modified_gmt":"2023-07-19T10:39:21","slug":"research-lines","status":"publish","type":"page","link":"https:\/\/webs.uab.cat\/cimitec\/research-lines\/?lang=en","title":{"rendered":"Research lines"},"content":{"rendered":"\n<p>GEMMA-CIMITEC Group combines <strong>disruptive research<\/strong> with <strong>technology transfer<\/strong> based on such research activities, beyond the state-of-the art. The activity of GEMMA-CIMITEC since its creation in 2006 has been focused on<strong>RF\/microwave engineering<\/strong>with emphasis on the application of advanced concepts and technologies (e.g., <strong>metamaterials, electromagnetic symmetry properties, printed electronics and 3D printing, microfluidics<\/strong>etc.) to <strong>the design of advanced devices\/systems<\/strong> with novel or improved functionalities and\/or with reduced size\/cost.<\/p>\n\n<p>The main research lines currently are:<\/p>\n\n<h2 class=\"wp-block-heading\">Microwave sensors and sensing systems<\/h2>\n\n<p>Development of <strong>highly sensitive <a href=\"https:\/\/doi.org\/10.3390\/app10072615\" data-type=\"URL\" data-id=\"https:\/\/doi.org\/10.3390\/app10072615\" target=\"_blank\" rel=\"noreferrer noopener\">permittivity sensors, based on RF\/microwave circuits<\/a><\/strong>, useful <strong>for dielectric characterization of solids and liquids<a rel=\"noreferrer noopener\" href=\"https:\/\/doi.org\/10.3390\/s21041542\" data-type=\"URL\" data-id=\"https:\/\/doi.org\/10.3390\/s21041542\" target=\"_blank\"><\/a><\/strong>, for the determination of <strong>material composition<\/strong>, for the <strong>detection of defects<\/strong> and, in general, for the measurement of many variables related to permittivity (temperature, humidity, etc.). These sensors can be applied in diverse scenarios, such as <strong><a rel=\"noreferrer noopener\" href=\"https:\/\/doi.org\/10.1109\/JSEN.2022.3181542\" data-type=\"URL\" data-id=\"https:\/\/doi.org\/10.1109\/JSEN.2022.3181542\" target=\"_blank\">biosensing<\/a><\/strong>, sensors for <strong>medical healthcare<\/strong>, sensors for monitoring <strong>industrial processes<\/strong>, or sensors for measuring <strong>environmental variables<\/strong>, among others, compatible with the today\u2019s paradigms of Industry 4.0 and Internet of Things (IoT).<\/p>\n\n<p>Development of <strong>electromagnetic (microwave) encoders<\/strong> for <strong><a rel=\"noreferrer noopener\" href=\"https:\/\/doi.org\/10.1109\/TIM.2023.3271758\" data-type=\"URL\" data-id=\"https:\/\/doi.org\/10.1109\/TIM.2023.3271758\" target=\"_blank\">motion control applications<\/a> (displacement and velocity sensors)<\/strong> <a href=\"https:\/\/doi.org\/10.3390\/s21082738\" data-type=\"URL\" data-id=\"https:\/\/doi.org\/10.3390\/s21082738\" target=\"_blank\" rel=\"noreferrer noopener\">Electromagnetic encoders<\/a> constitute a good alternative to the well-known optical encoders, with very good spatial resolution, but exhibiting a limited robustness for operation under harsh\/hostile conditions, or in environments subjected to pollution or dirtiness, such as those encountered in many industrial scenarios Magnetic encoders and Hall-effect sensors are also of interest for motion control, but such sensors are based on inductive elements or magnets, thereby representing a higher cost solution, as compared to electromagnetic encoders<\/p>\n\n<h2 class=\"wp-block-heading\">Chipless Radiofrequency identification (RFID)<\/h2>\n\n<p><a href=\"https:\/\/doi.org\/10.1109\/MMM.2019.2941634\" data-type=\"URL\" data-id=\"https:\/\/doi.org\/10.1109\/MMM.2019.2941634\" target=\"_blank\" rel=\"noreferrer noopener\">Chipless RFID proximity technology<\/a>, or near-field, allows to obtain <strong>labels with a high number of bits and low cost<\/strong> for different applications, such as:<\/p>\n\n<p>&#8211; <strong>Document identification and security<\/strong> (Secure paper): Traceability and verification of special documents where physical support must be used (certified paper, notary acts, affidavits, medical prescriptions, election material &#8230;)<\/p>\n\n<p>&#8211; <strong>Smart Packaging:<\/strong> Packaging of low-cost elements that require traceability control, such as some types of medicines. Also useful to establish control systems in waste management.<\/p>\n\n<p>The research tasks are oriented to:<\/p>\n\n<p>Implementation of <strong>near-field chipless-RFID systems<\/strong> based on <a href=\"https:\/\/doi.org\/10.1109\/JSEN.2022.3216199\" data-type=\"URL\" data-id=\"https:\/\/doi.org\/10.1109\/JSEN.2022.3216199\" target=\"_blank\" rel=\"noreferrer noopener\">hybrid time\/frequency encoding schemes<\/a>, with potentially <strong>very high data density<\/strong><strong>,<\/strong> superior to that of systems based on either time or frequency domain.<\/p>\n\n<p>Development of n<strong>ew eco-friendly chipless-RFID tags<\/strong>, implemented in flexible plastic and organic\/biodegradable substrates, such as <a href=\"https:\/\/doi.org\/10.3390\/app11177832\" data-type=\"URL\" data-id=\"https:\/\/doi.org\/10.3390\/app11177832\" target=\"_blank\" rel=\"noreferrer noopener\">papers, and textiles by means of conductive and organic inks<\/a>, or based on tag inclusions implemented by means of dielectric materials.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>GEMMA-CIMITEC Group combines disruptive research with technology transfer based on such research activities, beyond the state-of-the art. The activity of GEMMA-CIMITEC since its creation in 2006 has been focused onRF\/microwave engineeringwith emphasis on the application of advanced concepts and technologies (e.g., metamaterials, electromagnetic symmetry properties, printed electronics and 3D printing, microfluidicsetc.) to the design of [&hellip;]<\/p>\n","protected":false},"author":2651,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1597","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/webs.uab.cat\/cimitec\/wp-json\/wp\/v2\/pages\/1597","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/webs.uab.cat\/cimitec\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/webs.uab.cat\/cimitec\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/webs.uab.cat\/cimitec\/wp-json\/wp\/v2\/users\/2651"}],"replies":[{"embeddable":true,"href":"https:\/\/webs.uab.cat\/cimitec\/wp-json\/wp\/v2\/comments?post=1597"}],"version-history":[{"count":1,"href":"https:\/\/webs.uab.cat\/cimitec\/wp-json\/wp\/v2\/pages\/1597\/revisions"}],"predecessor-version":[{"id":1598,"href":"https:\/\/webs.uab.cat\/cimitec\/wp-json\/wp\/v2\/pages\/1597\/revisions\/1598"}],"wp:attachment":[{"href":"https:\/\/webs.uab.cat\/cimitec\/wp-json\/wp\/v2\/media?parent=1597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}