Optimization of stirrer designs in a reverberation chamber
This paper describes an investigation into the key factors which contribute to an effective mode stirrer. The work concentrates on the lower frequency range, since all stirrers have poorer performance at low frequencies. The stirrer's shapes and sizes have been investigated, together with an op...
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| Veröffentlicht in: | IEEE transactions on electromagnetic compatibility 2005-11, Vol.47 (4), p.824-832 |
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| creator | Clegg, J. Marvin, A.C. Dawson, J.F. Porter, S.J. |
| description | This paper describes an investigation into the key factors which contribute to an effective mode stirrer. The work concentrates on the lower frequency range, since all stirrers have poorer performance at low frequencies. The stirrer's shapes and sizes have been investigated, together with an optimization of the finer details in the stirrer's shape. The modeling of the mode stirred chamber has been performed using the transmission-line matrix (TLM) method. Software has been developed which, for each position of the rotating stirrer, builds the shape of the stirrer using thin, perfectly conducting boundaries. Results indicate that the design of the stirrer's basic shape has a small but significant impact on its performance. A genetic algorithm has been used to optimize certain parameters in the shape of the stirrer, and a fitness factor based on a free space model of the stirrer has been used. The free space model runs 1500 times faster than the model in the chamber. The optimization is shown to improve the stirrer's performance in three different sizes of chamber. Computer modeling has been verified by measurements performed in the chamber at the University of York. |
| doi_str_mv | 10.1109/TEMC.2005.860561 |
| format | Article |
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The work concentrates on the lower frequency range, since all stirrers have poorer performance at low frequencies. The stirrer's shapes and sizes have been investigated, together with an optimization of the finer details in the stirrer's shape. The modeling of the mode stirred chamber has been performed using the transmission-line matrix (TLM) method. Software has been developed which, for each position of the rotating stirrer, builds the shape of the stirrer using thin, perfectly conducting boundaries. Results indicate that the design of the stirrer's basic shape has a small but significant impact on its performance. A genetic algorithm has been used to optimize certain parameters in the shape of the stirrer, and a fitness factor based on a free space model of the stirrer has been used. The free space model runs 1500 times faster than the model in the chamber. The optimization is shown to improve the stirrer's performance in three different sizes of chamber. Computer modeling has been verified by measurements performed in the chamber at the University of York.</description><identifier>ISSN: 0018-9375</identifier><identifier>EISSN: 1558-187X</identifier><identifier>DOI: 10.1109/TEMC.2005.860561</identifier><identifier>CODEN: IEMCAE</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Chambers ; Circuit properties ; Computer programs ; Construction ; Electric, optical and optoelectronic circuits ; Electromagnetic compatibility ; Electronics ; Exact sciences and technology ; Genetic algorithms ; Genetic algorithms (GA) ; Information, signal and communications theory ; Mathematical models ; matrix methods ; measurement ; Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits ; mode stirring ; modeling ; Optimization ; reverberation chamber ; Stirrers ; Studies ; Telecommunications and information theory ; Testing, measurement, noise and reliability ; transmission line ; Transmission line matrix methods</subject><ispartof>IEEE transactions on electromagnetic compatibility, 2005-11, Vol.47 (4), p.824-832</ispartof><rights>2006 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2005</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c491t-c4c3506401d472e0319e99923de231acb1e13430cc9bb1d2c6b5856edd5900503</citedby><cites>FETCH-LOGICAL-c491t-c4c3506401d472e0319e99923de231acb1e13430cc9bb1d2c6b5856edd5900503</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1580752$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27903,27904,54736</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1580752$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17445451$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Clegg, J.</creatorcontrib><creatorcontrib>Marvin, A.C.</creatorcontrib><creatorcontrib>Dawson, J.F.</creatorcontrib><creatorcontrib>Porter, S.J.</creatorcontrib><title>Optimization of stirrer designs in a reverberation chamber</title><title>IEEE transactions on electromagnetic compatibility</title><addtitle>TEMC</addtitle><description>This paper describes an investigation into the key factors which contribute to an effective mode stirrer. The work concentrates on the lower frequency range, since all stirrers have poorer performance at low frequencies. The stirrer's shapes and sizes have been investigated, together with an optimization of the finer details in the stirrer's shape. The modeling of the mode stirred chamber has been performed using the transmission-line matrix (TLM) method. Software has been developed which, for each position of the rotating stirrer, builds the shape of the stirrer using thin, perfectly conducting boundaries. Results indicate that the design of the stirrer's basic shape has a small but significant impact on its performance. A genetic algorithm has been used to optimize certain parameters in the shape of the stirrer, and a fitness factor based on a free space model of the stirrer has been used. The free space model runs 1500 times faster than the model in the chamber. The optimization is shown to improve the stirrer's performance in three different sizes of chamber. Computer modeling has been verified by measurements performed in the chamber at the University of York.</description><subject>Applied sciences</subject><subject>Chambers</subject><subject>Circuit properties</subject><subject>Computer programs</subject><subject>Construction</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electromagnetic compatibility</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Genetic algorithms</subject><subject>Genetic algorithms (GA)</subject><subject>Information, signal and communications theory</subject><subject>Mathematical models</subject><subject>matrix methods</subject><subject>measurement</subject><subject>Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits</subject><subject>mode stirring</subject><subject>modeling</subject><subject>Optimization</subject><subject>reverberation chamber</subject><subject>Stirrers</subject><subject>Studies</subject><subject>Telecommunications and information theory</subject><subject>Testing, measurement, noise and reliability</subject><subject>transmission line</subject><subject>Transmission line matrix methods</subject><issn>0018-9375</issn><issn>1558-187X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp9kUtLAzEQx4MoWKt3wcsiqKfWvDfxJqU-oNJLBW8hm53VlHa3JltBP71ZtlDw4GWGYX7z-g9C5wSPCcH6djF9mYwpxmKsJBaSHKABEUKNiMrfDtEAY6JGmuXiGJ3EuEwhF5QN0N180_q1_7Gtb-qsqbLY-hAgZCVE_17HzNeZzQJ8QSgg9JT7sOsUnKKjyq4inO38EL0-TBeTp9Fs_vg8uZ-NHNekTdYxgSXHpOQ5BcyIBq01ZSVQRqwrCBDGGXZOFwUpqZOFUEJCWQqdzsFsiG76vpvQfG4htmbto4PVytbQbKNRWhIlVZ4n8vpfkiqcS56GDdHlH3DZbEOdrjBK5gJTqru5uIdcaGIMUJlN8Gsbvg3BptPcdJqbTnPTa55KrnZ9bXR2VQVbOx_3dTnngouOu-g5DwD7tEj7pa_8AvoUiBw</recordid><startdate>20051101</startdate><enddate>20051101</enddate><creator>Clegg, J.</creator><creator>Marvin, A.C.</creator><creator>Dawson, J.F.</creator><creator>Porter, S.J.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20051101</creationdate><title>Optimization of stirrer designs in a reverberation chamber</title><author>Clegg, J. ; Marvin, A.C. ; Dawson, J.F. ; Porter, S.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c491t-c4c3506401d472e0319e99923de231acb1e13430cc9bb1d2c6b5856edd5900503</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Applied sciences</topic><topic>Chambers</topic><topic>Circuit properties</topic><topic>Computer programs</topic><topic>Construction</topic><topic>Electric, optical and optoelectronic circuits</topic><topic>Electromagnetic compatibility</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Genetic algorithms</topic><topic>Genetic algorithms (GA)</topic><topic>Information, signal and communications theory</topic><topic>Mathematical models</topic><topic>matrix methods</topic><topic>measurement</topic><topic>Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits</topic><topic>mode stirring</topic><topic>modeling</topic><topic>Optimization</topic><topic>reverberation chamber</topic><topic>Stirrers</topic><topic>Studies</topic><topic>Telecommunications and information theory</topic><topic>Testing, measurement, noise and reliability</topic><topic>transmission line</topic><topic>Transmission line matrix methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Clegg, J.</creatorcontrib><creatorcontrib>Marvin, A.C.</creatorcontrib><creatorcontrib>Dawson, J.F.</creatorcontrib><creatorcontrib>Porter, S.J.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE transactions on electromagnetic compatibility</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Clegg, J.</au><au>Marvin, A.C.</au><au>Dawson, J.F.</au><au>Porter, S.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optimization of stirrer designs in a reverberation chamber</atitle><jtitle>IEEE transactions on electromagnetic compatibility</jtitle><stitle>TEMC</stitle><date>2005-11-01</date><risdate>2005</risdate><volume>47</volume><issue>4</issue><spage>824</spage><epage>832</epage><pages>824-832</pages><issn>0018-9375</issn><eissn>1558-187X</eissn><coden>IEMCAE</coden><abstract>This paper describes an investigation into the key factors which contribute to an effective mode stirrer. The work concentrates on the lower frequency range, since all stirrers have poorer performance at low frequencies. The stirrer's shapes and sizes have been investigated, together with an optimization of the finer details in the stirrer's shape. The modeling of the mode stirred chamber has been performed using the transmission-line matrix (TLM) method. Software has been developed which, for each position of the rotating stirrer, builds the shape of the stirrer using thin, perfectly conducting boundaries. Results indicate that the design of the stirrer's basic shape has a small but significant impact on its performance. A genetic algorithm has been used to optimize certain parameters in the shape of the stirrer, and a fitness factor based on a free space model of the stirrer has been used. The free space model runs 1500 times faster than the model in the chamber. The optimization is shown to improve the stirrer's performance in three different sizes of chamber. 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| source | IEEE Electronic Library (IEL) |
| subjects | Applied sciences Chambers Circuit properties Computer programs Construction Electric, optical and optoelectronic circuits Electromagnetic compatibility Electronics Exact sciences and technology Genetic algorithms Genetic algorithms (GA) Information, signal and communications theory Mathematical models matrix methods measurement Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits mode stirring modeling Optimization reverberation chamber Stirrers Studies Telecommunications and information theory Testing, measurement, noise and reliability transmission line Transmission line matrix methods |
| title | Optimization of stirrer designs in a reverberation chamber |
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