Maximum Efficiency Formulation for Multiple-Input Multiple-Output Inductive Power Transfer Systems
Efficiency maximization based on load optimization has been thoroughly investigated for the conventional single-input single-output (SISO) inductive power transfer (IPT) system. This paper further extends the problem for multiple-input multiple-output (MIMO) IPT system operating at a single frequenc...
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| Veröffentlicht in: | IEEE transactions on microwave theory and techniques 2018-07, Vol.66 (7), p.3463-3477 |
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| container_title | IEEE transactions on microwave theory and techniques |
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| creator | Duong, Quang-Thang Okada, Minoru |
| description | Efficiency maximization based on load optimization has been thoroughly investigated for the conventional single-input single-output (SISO) inductive power transfer (IPT) system. This paper further extends the problem for multiple-input multiple-output (MIMO) IPT system operating at a single frequency. For the MIMO IPT system, efficiency maximization requires a joint optimization of loads-at the receivers-and input currents-in the transmitters. The optimal complex values of input currents and loads are derived by applying the first-order necessary condition, followed by the second partial derivative test. The derived maximum efficiency expression enables performance evaluation for any coil configuration, under any coil arrangement and at any frequency. Effectiveness and feasibility of the derived formulas are evaluated by electromagnetic simulations. Our work generalizes a theory on efficiency maximization for SISO, single-input multiple-output, multiple-input single-output, and MIMO systems. |
| doi_str_mv | 10.1109/TMTT.2018.2805339 |
| format | Article |
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This paper further extends the problem for multiple-input multiple-output (MIMO) IPT system operating at a single frequency. For the MIMO IPT system, efficiency maximization requires a joint optimization of loads-at the receivers-and input currents-in the transmitters. The optimal complex values of input currents and loads are derived by applying the first-order necessary condition, followed by the second partial derivative test. The derived maximum efficiency expression enables performance evaluation for any coil configuration, under any coil arrangement and at any frequency. Effectiveness and feasibility of the derived formulas are evaluated by electromagnetic simulations. Our work generalizes a theory on efficiency maximization for SISO, single-input multiple-output, multiple-input single-output, and MIMO systems.</description><identifier>ISSN: 0018-9480</identifier><identifier>EISSN: 1557-9670</identifier><identifier>DOI: 10.1109/TMTT.2018.2805339</identifier><identifier>CODEN: IETMAB</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Coils ; Couplings ; Efficiency ; Feasibility studies ; Impedance ; Inductive power transfer (IPT) ; Maximization ; maximum efficiency ; MIMO (control systems) ; MIMO communication ; MISO (control systems) ; multiple-input multiple-output (MIMO) ; optimal input currents and loads ; Optimization ; Performance evaluation ; Power efficiency ; Power transfer ; Radio frequency ; Receivers ; SISO (control systems) ; Transmitters ; Z-parameters</subject><ispartof>IEEE transactions on microwave theory and techniques, 2018-07, Vol.66 (7), p.3463-3477</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c293t-9116b4c522d3b28fde09406567681077a573c3befe3a0ef5008d84185534a1153</citedby><cites>FETCH-LOGICAL-c293t-9116b4c522d3b28fde09406567681077a573c3befe3a0ef5008d84185534a1153</cites><orcidid>0000-0001-9009-1900</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8306134$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8306134$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Duong, Quang-Thang</creatorcontrib><creatorcontrib>Okada, Minoru</creatorcontrib><title>Maximum Efficiency Formulation for Multiple-Input Multiple-Output Inductive Power Transfer Systems</title><title>IEEE transactions on microwave theory and techniques</title><addtitle>TMTT</addtitle><description>Efficiency maximization based on load optimization has been thoroughly investigated for the conventional single-input single-output (SISO) inductive power transfer (IPT) system. This paper further extends the problem for multiple-input multiple-output (MIMO) IPT system operating at a single frequency. For the MIMO IPT system, efficiency maximization requires a joint optimization of loads-at the receivers-and input currents-in the transmitters. The optimal complex values of input currents and loads are derived by applying the first-order necessary condition, followed by the second partial derivative test. The derived maximum efficiency expression enables performance evaluation for any coil configuration, under any coil arrangement and at any frequency. Effectiveness and feasibility of the derived formulas are evaluated by electromagnetic simulations. Our work generalizes a theory on efficiency maximization for SISO, single-input multiple-output, multiple-input single-output, and MIMO systems.</description><subject>Coils</subject><subject>Couplings</subject><subject>Efficiency</subject><subject>Feasibility studies</subject><subject>Impedance</subject><subject>Inductive power transfer (IPT)</subject><subject>Maximization</subject><subject>maximum efficiency</subject><subject>MIMO (control systems)</subject><subject>MIMO communication</subject><subject>MISO (control systems)</subject><subject>multiple-input multiple-output (MIMO)</subject><subject>optimal input currents and loads</subject><subject>Optimization</subject><subject>Performance evaluation</subject><subject>Power efficiency</subject><subject>Power transfer</subject><subject>Radio frequency</subject><subject>Receivers</subject><subject>SISO (control systems)</subject><subject>Transmitters</subject><subject>Z-parameters</subject><issn>0018-9480</issn><issn>1557-9670</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpFkEtLw0AUhQdRsFZ_gLgJuE6dZ2aylNJqoaWCcT1MkhmYkpfzUPvvTWjR1b2He8498AFwj-ACIZg_FbuiWGCIxAILyAjJL8AMMcbTPOPwEszgeEpzKuA1uPH-MErKoJiBcqd-bBvbZGWMrazuqmOy7l0bGxVs3yWmd8kuNsEOjU433RDDv9zHMOlNV8cq2C-dvPXf2iWFU5034_J-9EG3_hZcGdV4fXeec_CxXhXL13S7f9ksn7dphXMS0hyhrKQVw7gmJRam1jCnMGMZzwSCnCvGSUVKbTRRUBsGoagFRYIxQhVCjMzB4-nv4PrPqH2Qhz66bqyUGHFKORccjy50clWu995pIwdnW-WOEkE5oZQTSjmhlGeUY-bhlLFa6z-_IDBDhJJfnPZwCA</recordid><startdate>20180701</startdate><enddate>20180701</enddate><creator>Duong, Quang-Thang</creator><creator>Okada, Minoru</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-9009-1900</orcidid></search><sort><creationdate>20180701</creationdate><title>Maximum Efficiency Formulation for Multiple-Input Multiple-Output Inductive Power Transfer Systems</title><author>Duong, Quang-Thang ; Okada, Minoru</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c293t-9116b4c522d3b28fde09406567681077a573c3befe3a0ef5008d84185534a1153</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Coils</topic><topic>Couplings</topic><topic>Efficiency</topic><topic>Feasibility studies</topic><topic>Impedance</topic><topic>Inductive power transfer (IPT)</topic><topic>Maximization</topic><topic>maximum efficiency</topic><topic>MIMO (control systems)</topic><topic>MIMO communication</topic><topic>MISO (control systems)</topic><topic>multiple-input multiple-output (MIMO)</topic><topic>optimal input currents and loads</topic><topic>Optimization</topic><topic>Performance evaluation</topic><topic>Power efficiency</topic><topic>Power transfer</topic><topic>Radio frequency</topic><topic>Receivers</topic><topic>SISO (control systems)</topic><topic>Transmitters</topic><topic>Z-parameters</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Duong, Quang-Thang</creatorcontrib><creatorcontrib>Okada, Minoru</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>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on microwave theory and techniques</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Duong, Quang-Thang</au><au>Okada, Minoru</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Maximum Efficiency Formulation for Multiple-Input Multiple-Output Inductive Power Transfer Systems</atitle><jtitle>IEEE transactions on microwave theory and techniques</jtitle><stitle>TMTT</stitle><date>2018-07-01</date><risdate>2018</risdate><volume>66</volume><issue>7</issue><spage>3463</spage><epage>3477</epage><pages>3463-3477</pages><issn>0018-9480</issn><eissn>1557-9670</eissn><coden>IETMAB</coden><abstract>Efficiency maximization based on load optimization has been thoroughly investigated for the conventional single-input single-output (SISO) inductive power transfer (IPT) system. This paper further extends the problem for multiple-input multiple-output (MIMO) IPT system operating at a single frequency. For the MIMO IPT system, efficiency maximization requires a joint optimization of loads-at the receivers-and input currents-in the transmitters. The optimal complex values of input currents and loads are derived by applying the first-order necessary condition, followed by the second partial derivative test. The derived maximum efficiency expression enables performance evaluation for any coil configuration, under any coil arrangement and at any frequency. Effectiveness and feasibility of the derived formulas are evaluated by electromagnetic simulations. Our work generalizes a theory on efficiency maximization for SISO, single-input multiple-output, multiple-input single-output, and MIMO systems.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TMTT.2018.2805339</doi><tpages>15</tpages><orcidid>https://orcid.org/0000-0001-9009-1900</orcidid></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Coils Couplings Efficiency Feasibility studies Impedance Inductive power transfer (IPT) Maximization maximum efficiency MIMO (control systems) MIMO communication MISO (control systems) multiple-input multiple-output (MIMO) optimal input currents and loads Optimization Performance evaluation Power efficiency Power transfer Radio frequency Receivers SISO (control systems) Transmitters Z-parameters |
| title | Maximum Efficiency Formulation for Multiple-Input Multiple-Output Inductive Power Transfer Systems |
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