{"id":71060,"date":"2024-10-11T10:54:04","date_gmt":"2024-10-11T08:54:04","guid":{"rendered":"https:\/\/www.iemn.fr\/?p=71060"},"modified":"2024-10-11T10:59:15","modified_gmt":"2024-10-11T08:59:15","slug":"these-capteurs-a-ondes-acoustiques-de-surface-pour-la-caracterisation-multiphysique-des-proprietes-des-toles-ferromagnetiques-dans-les-machines-electriques-de-fortes-puissances","status":"publish","type":"post","link":"https:\/\/www.iemn.fr\/en\/a-la-une\/these-capteurs-a-ondes-acoustiques-de-surface-pour-la-caracterisation-multiphysique-des-proprietes-des-toles-ferromagnetiques-dans-les-machines-electriques-de-fortes-puissances.html","title":{"rendered":"Thesis: \"Surface acoustic wave sensors for the multiphysical characterisation of the properties of ferromagnetic laminations in high-power electrical machines\"."},"content":{"rendered":"<div id='layer_slider_1'  class='avia-layerslider main_color avia-shadow  avia-builder-el-0  el_before_av_heading  avia-builder-el-first  container_wrap sidebar_right'  style='height: 261px;'  ><div id=\"layerslider_58_108nm5sbuf7qp\" data-ls-slug=\"homepageslider\" class=\"ls-wp-container fitvidsignore ls-selectable\" style=\"width:1140px;height:260px;margin:0 auto;margin-bottom: 0px;\"><div class=\"ls-slide\" data-ls=\"duration:6000;transition2d:5;\"><img loading=\"lazy\" decoding=\"async\" width=\"2600\" height=\"270\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1.jpg\" class=\"ls-bg\" alt=\"\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1.jpg 2600w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1-300x31.jpg 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1-768x80.jpg 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1-1030x107.jpg 1030w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1-1500x156.jpg 1500w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1-705x73.jpg 705w\" sizes=\"auto, (max-width: 2600px) 100vw, 2600px\" \/><ls-layer style=\"font-size:14px;text-align:left;font-style:normal;text-decoration:none;text-transform:none;font-weight:700;letter-spacing:0px;border-style:solid;border-color:#000;background-position:0% 0%;background-repeat:no-repeat;width:180px;height:30px;left:0px;top:231px;line-height:32px;color:#ffffff;border-radius:6px 6px 6px 6px;padding-left:50px;background-color:rgba(0, 0, 0, 0.57);\" class=\"ls-l ls-ib-icon ls-text-layer\" data-ls=\"minfontsize:0;minmobilefontsize:0;\"><i class=\"fa fa-quote-right\" style=\"color:#ffffff;margin-right:0.8em;font-size:1em;transform:translateY( -0.125em );\"><\/i>ACTUALITES<\/ls-layer><\/div><\/div><\/div><div id='after_layer_slider_1'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-71060'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k5dohoxw-e9cb10fb369d97e73258f255bbf8423c\">\n#top .av-special-heading.av-k5dohoxw-e9cb10fb369d97e73258f255bbf8423c{\nmargin:0 0 10px 0;\npadding-bottom:4px;\n}\nbody .av-special-heading.av-k5dohoxw-e9cb10fb369d97e73258f255bbf8423c .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-k5dohoxw-e9cb10fb369d97e73258f255bbf8423c .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-k5dohoxw-e9cb10fb369d97e73258f255bbf8423c av-special-heading-h4  avia-builder-el-1  el_after_av_layerslider  el_before_av_hr  avia-builder-el-first  av-linked-heading'><h4 class='av-special-heading-tag'  itemprop=\"headline\"  >THESIS: Othmane MARBOUH - Surface acoustic wave sensors for the multiphysical characterisation of the properties of ferromagnetic laminations in high-power electrical machines<\/h4><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-18u73nj-dad6a947580930e400fc42ba200e80f1\">\n#top .hr.av-18u73nj-dad6a947580930e400fc42ba200e80f1{\nmargin-top:5px;\nmargin-bottom:5px;\n}\n.hr.av-18u73nj-dad6a947580930e400fc42ba200e80f1 .hr-inner{\nwidth:100%;\n}\n<\/style>\n<div  class='hr av-18u73nj-dad6a947580930e400fc42ba200e80f1 hr-custom  avia-builder-el-2  el_after_av_heading  el_before_av_textblock  hr-left hr-icon-no'><span class='hr-inner inner-border-av-border-thin'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-jriy64i8-fd5f2e9d63bf552d6910d12f255eb26e'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" >\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-13ewzjw-68e036126b913e5028f77311dc66b825\">\n.av_font_icon.av-13ewzjw-68e036126b913e5028f77311dc66b825{\ncolor:#bfbfbf;\nborder-color:#bfbfbf;\n}\n.av_font_icon.av-13ewzjw-68e036126b913e5028f77311dc66b825 .av-icon-char{\nfont-size:60px;\nline-height:60px;\n}\n<\/style>\n<span  class='av_font_icon av-13ewzjw-68e036126b913e5028f77311dc66b825 avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue8c9' data-av_iconfont='entypo-fontello' ><\/span><\/span>\n<p><strong>Othmane MARBOUH<\/strong><\/p>\n<p>Defense: October 23, 2024 at 1:30 p.m.<strong><br \/>\n<\/strong>Boda Amphitheatre - Centrale Lille<\/p>\n<\/div><\/section>\n<section  class='av_textblock_section av-jtefqx33-26fa44c544b10063385818eda37e027b'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div  class='hr av-kjh3zw-4dff888f744b728a1aca9b3a0971493a hr-default  avia-builder-el-6  avia-builder-el-no-sibling'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<h5><strong><span style=\"color: #800000;\">Jury :<\/span><\/strong><\/h5>\n<ul>\n<li>Abdelkrim <span style=\"text-transform: uppercase;\">TALBI<\/span>Centrale Lille Institute, thesis supervisor.<\/li>\n<li>Abdelkader <span style=\"text-transform: uppercase;\">BENABOU<\/span>, Ecole Polytechnique Universitaire de Lille , Thesis co-supervisor<\/li>\n<li>Abdelmounaim\u00a0<span style=\"text-transform: uppercase;\">TOUNZI<\/span>University of Lille, thesis co-supervisor<\/li>\n<li>Aur\u00e9lie\u00a0<span style=\"text-transform: uppercase;\">GENSBITTEL<\/span>Sorbonne University , Examiner<\/li>\n<li>Olivier\u00a0<span style=\"text-transform: uppercase;\">BOU MATAR<\/span>Centrale Lille Institut , Examiner<\/li>\n<li>Vincent\u00a0<span style=\"text-transform: uppercase;\">LANFRANCHI<\/span>Universit\u00e9 de Technologie de Compi\u00e8gne, Rapporteur<\/li>\n<li>Aktham <span style=\"text-transform: uppercase;\">ASFOUR<\/span>University of Rennes, Rapporteur<\/li>\n<li>Anne-Claire \u00a0<span style=\"text-transform: uppercase;\">SALAUN<\/span>Director of Research, CNRS, Examiner<\/li>\n<li>Aymen\u00a0<span style=\"text-transform: uppercase;\">AMMAR<\/span>Jeumont Electric , CNRS, Guest<\/li>\n<\/ul>\n<h5>Summary:<\/h5>\n<p><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/10\/Sans-titre-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-71065\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/10\/Sans-titre-1.jpg\" alt=\"\" width=\"260\" height=\"240\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/10\/Sans-titre-1.jpg 559w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/10\/Sans-titre-1-300x277.jpg 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2024\/10\/Sans-titre-1-13x12.jpg 13w\" sizes=\"auto, (max-width: 260px) 100vw, 260px\" \/><\/a>High-power electrical machines are subject to severe mechanical, thermal and magnetic stresses during operation. To ensure their reliability and continuity of operation, it is crucial to have real-time information on these stresses, often on a local scale. Wireless and battery-free sensor technologies, combined with efficient data analysis and signal processing techniques, are essential to meet this need. Surface acoustic waves make it possible to design wireless and totally passive sensors capable of measuring numerous physical quantities such as temperature, mechanical stress and magnetic field, thanks to advanced design engineering. The work carried out in this thesis led to the development of multi-physics SAW sensors for measuring strain, temperature and magnetic field. These sensors were first calibrated on laboratory test benches and then used to characterise the mechanical properties, such as magnetostriction, and magnetic properties, such as magnetic losses, of ferromagnetic laminations used in the design of high-power electrical machines.The thesis project involves JEUMONT Electric (a high-tech company specialising in energy conversion solutions), the IEMN's AIMAN-FILMS group and L2EP's Numerical Tools and Methods team. Each partner brings specific skills to bear on the multi-physics instrumentation of high-power electrical machines.<\/p>\n<h5>Abstract:<\/h5>\n<p>High-power electric machines are subjected to severe mechanical, thermal, and magnetic stresses during operation. To ensure their reliability and continuous operation, it is crucial to have real-time information on these stresses, often at a local level. Wireless and battery-free sensor technologies, combined with efficient data analysis and signal processing techniques, are essential to meet this need. Surface acoustic waves allow the design of wireless and completely passive sensors capable of measuring various physical quantities such as temperature, mechanical stress, and magnetic field through advanced design engineering. The work conducted in this thesis led to the development of multiphysical SAW sensors for measuring strain, temperature, and magnetic field. These sensors were first calibrated in laboratory test benches and then used to characterize the mechanical properties, such as magnetostriction, and magnetic properties, such as magnetic losses, of ferromagnetic sheets used in the design of high-power electric machines. The thesis project involves JEUMONT Electric (a high-tech company specialising in energy conversion solutions), the AIMAN-FILMS group of IEMN, and the Numerical Tools and Methods team of L2EP. Each partner brings specific expertise to address the multiphysical instrumentation of high-power electric machines.<\/p>\n<\/div><\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":71061,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-71060","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-la-une"],"_links":{"self":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/71060","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/comments?post=71060"}],"version-history":[{"count":0,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/71060\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/media\/71061"}],"wp:attachment":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/media?parent=71060"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/categories?post=71060"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/tags?post=71060"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}