A magnetic field model of rectangular permanent magnets in a magnetic pendulum array
The magnetic pendulum array (MPA) is a novel mechanical antenna for efficient and portable ultra-low-frequency transmission. Its natural frequency is affected by the magnetic field of its rectangular permanent magnets. In this work, the influence of the magnetization of a permanent magnet on the dem...
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| Veröffentlicht in: | AIP advances 2023-10, Vol.13 (10), p.105009-105009-7 |
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| container_title | AIP advances |
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| creator | Song, Weiye Shuai, Changgeng Zhai, Qi |
| description | The magnetic pendulum array (MPA) is a novel mechanical antenna for efficient and portable ultra-low-frequency transmission. Its natural frequency is affected by the magnetic field of its rectangular permanent magnets. In this work, the influence of the magnetization of a permanent magnet on the demagnetizing field and the magnetic field of other permanent magnets is analyzed to accurately calculate the natural frequency, and a magnetic field model of the rectangular permanent magnets in an MPA is established to improve the calculation accuracy. The consistency of the theoretical model results is verified through experiments and simulations. Finally, the effect of sizes and distances of the permanent magnets on the natural frequency of an MPA is analyzed, providing theoretical guidance for the dynamic analysis of “A Mechanically Based Antenna (AMEBA).” This research has significance and practical application value in the optimization of the magnetic field characteristics and natural frequency calculation methods for AMEBA. |
| doi_str_mv | 10.1063/5.0145976 |
| format | Article |
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Its natural frequency is affected by the magnetic field of its rectangular permanent magnets. In this work, the influence of the magnetization of a permanent magnet on the demagnetizing field and the magnetic field of other permanent magnets is analyzed to accurately calculate the natural frequency, and a magnetic field model of the rectangular permanent magnets in an MPA is established to improve the calculation accuracy. The consistency of the theoretical model results is verified through experiments and simulations. Finally, the effect of sizes and distances of the permanent magnets on the natural frequency of an MPA is analyzed, providing theoretical guidance for the dynamic analysis of “A Mechanically Based Antenna (AMEBA).” This research has significance and practical application value in the optimization of the magnetic field characteristics and natural frequency calculation methods for AMEBA.</description><identifier>ISSN: 2158-3226</identifier><identifier>EISSN: 2158-3226</identifier><identifier>DOI: 10.1063/5.0145976</identifier><identifier>CODEN: AAIDBI</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Antenna arrays ; Antennas ; Magnetic fields ; Optimization ; Pendulums ; Permanent magnets ; Resonant frequencies</subject><ispartof>AIP advances, 2023-10, Vol.13 (10), p.105009-105009-7</ispartof><rights>Author(s)</rights><rights>2023 Author(s). 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Its natural frequency is affected by the magnetic field of its rectangular permanent magnets. In this work, the influence of the magnetization of a permanent magnet on the demagnetizing field and the magnetic field of other permanent magnets is analyzed to accurately calculate the natural frequency, and a magnetic field model of the rectangular permanent magnets in an MPA is established to improve the calculation accuracy. The consistency of the theoretical model results is verified through experiments and simulations. Finally, the effect of sizes and distances of the permanent magnets on the natural frequency of an MPA is analyzed, providing theoretical guidance for the dynamic analysis of “A Mechanically Based Antenna (AMEBA).” This research has significance and practical application value in the optimization of the magnetic field characteristics and natural frequency calculation methods for AMEBA.</description><subject>Antenna arrays</subject><subject>Antennas</subject><subject>Magnetic fields</subject><subject>Optimization</subject><subject>Pendulums</subject><subject>Permanent magnets</subject><subject>Resonant frequencies</subject><issn>2158-3226</issn><issn>2158-3226</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNp9kU1Lw0AQhoMoWGoP_oMFTwrV2exXcizFj0LBSz0vk91JSUmydZMc-u9NbVFPzmWG4Zl3XniT5JbDIwctntQjcKlyoy-SScpVNhdpqi__zNfJrOt2MJbMOWRykmwWrMFtS33lWFlR7VkTPNUslCyS67HdDjVGtqfYYEttf6Y7VrUMf0_31PqhHhqGMeLhJrkqse5odu7T5OPlebN8m6_fX1fLxXruhBL93OToIOdGcCwMptyQ97p0hhdS-0JT6g1JKBwVqUfSIEkJyAvtSnJSGBDTZHXS9QF3dh-rBuPBBqzs9yLErcU42qvJFrnLjFIpeARZ5AoFQOlQguG5I65HrbuT1j6Gz4G63u7CENvRvk0zI0BBZo7U_YlyMXRdpPLnKwd7zMAqe85gZB9ObOeqHvsqtP_AX4kPhXY</recordid><startdate>20231001</startdate><enddate>20231001</enddate><creator>Song, Weiye</creator><creator>Shuai, Changgeng</creator><creator>Zhai, Qi</creator><general>American Institute of Physics</general><general>AIP Publishing LLC</general><scope>AJDQP</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0002-1388-1973</orcidid></search><sort><creationdate>20231001</creationdate><title>A magnetic field model of rectangular permanent magnets in a magnetic pendulum array</title><author>Song, Weiye ; Shuai, Changgeng ; Zhai, Qi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c353t-79ac091731ab7a217edd6fc71b46db6e2d7e40bceb2dae604e5309b6cfec43703</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Antenna arrays</topic><topic>Antennas</topic><topic>Magnetic fields</topic><topic>Optimization</topic><topic>Pendulums</topic><topic>Permanent magnets</topic><topic>Resonant frequencies</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Song, Weiye</creatorcontrib><creatorcontrib>Shuai, Changgeng</creatorcontrib><creatorcontrib>Zhai, Qi</creatorcontrib><collection>AIP Open Access Journals</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>AIP advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Song, Weiye</au><au>Shuai, Changgeng</au><au>Zhai, Qi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A magnetic field model of rectangular permanent magnets in a magnetic pendulum array</atitle><jtitle>AIP advances</jtitle><date>2023-10-01</date><risdate>2023</risdate><volume>13</volume><issue>10</issue><spage>105009</spage><epage>105009-7</epage><pages>105009-105009-7</pages><issn>2158-3226</issn><eissn>2158-3226</eissn><coden>AAIDBI</coden><abstract>The magnetic pendulum array (MPA) is a novel mechanical antenna for efficient and portable ultra-low-frequency transmission. Its natural frequency is affected by the magnetic field of its rectangular permanent magnets. In this work, the influence of the magnetization of a permanent magnet on the demagnetizing field and the magnetic field of other permanent magnets is analyzed to accurately calculate the natural frequency, and a magnetic field model of the rectangular permanent magnets in an MPA is established to improve the calculation accuracy. The consistency of the theoretical model results is verified through experiments and simulations. Finally, the effect of sizes and distances of the permanent magnets on the natural frequency of an MPA is analyzed, providing theoretical guidance for the dynamic analysis of “A Mechanically Based Antenna (AMEBA).” This research has significance and practical application value in the optimization of the magnetic field characteristics and natural frequency calculation methods for AMEBA.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/5.0145976</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-1388-1973</orcidid><oa>free_for_read</oa></addata></record> |
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| source | DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection; Free Full-Text Journals in Chemistry |
| subjects | Antenna arrays Antennas Magnetic fields Optimization Pendulums Permanent magnets Resonant frequencies |
| title | A magnetic field model of rectangular permanent magnets in a magnetic pendulum array |
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