An Angular Displacement Sensor Based on Microwave Transversal Signal Interference Principle
A novel rotational angle microwave sensor with a high dynamic range and sensitivity for detecting angular displacement is presented. It exploits the spectral separation between two notch frequencies or transmission zeros that are generated in its transfer function, and whose value varies as a functi...
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| Veröffentlicht in: | IEEE sensors journal 2020-10, Vol.20 (19), p.11237-11246 |
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| creator | Chio, Chi Hou Gomez-Garcia, Roberto Yang, Li Tam, Kam Weng Choi, Wai-Wa Ho, Sut Kam |
| description | A novel rotational angle microwave sensor with a high dynamic range and sensitivity for detecting angular displacement is presented. It exploits the spectral separation between two notch frequencies or transmission zeros that are generated in its transfer function, and whose value varies as a function of the rotation angle to be measured. The sensor is based on a bi-path transversal-signal-interference (TSI) circuit configuration that is implemented on microstrip technology, where a rotor comprised of an open-circuit-ended stub is loaded onto a stator of this transversal circuit with equal-length electrical paths. The mechanical rotation of the rotor changes the contact point of the open-circuit-ended line to the stator, thus effectively modifying one of the overall paths of the stator and, hence, the inter-transmission-zero separation. Design guidelines for the synthesis of the proposed rotation sensor with a specified dynamic range and sensitivity are provided. Furthermore, a proof-of-concept microstrip-substrate-based prototype with an angular rotation range of 180° is developed at 920 MHz and tested to validate this approach experimentally. |
| doi_str_mv | 10.1109/JSEN.2020.2998181 |
| format | Article |
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It exploits the spectral separation between two notch frequencies or transmission zeros that are generated in its transfer function, and whose value varies as a function of the rotation angle to be measured. The sensor is based on a bi-path transversal-signal-interference (TSI) circuit configuration that is implemented on microstrip technology, where a rotor comprised of an open-circuit-ended stub is loaded onto a stator of this transversal circuit with equal-length electrical paths. The mechanical rotation of the rotor changes the contact point of the open-circuit-ended line to the stator, thus effectively modifying one of the overall paths of the stator and, hence, the inter-transmission-zero separation. Design guidelines for the synthesis of the proposed rotation sensor with a specified dynamic range and sensitivity are provided. Furthermore, a proof-of-concept microstrip-substrate-based prototype with an angular rotation range of 180° is developed at 920 MHz and tested to validate this approach experimentally.</description><identifier>ISSN: 1530-437X</identifier><identifier>EISSN: 1558-1748</identifier><identifier>DOI: 10.1109/JSEN.2020.2998181</identifier><identifier>CODEN: ISJEAZ</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Angular displacement sensor ; Circuits ; Dynamic range ; Electric contacts ; Interference ; microstrip technology ; Microwave circuits ; Microwave filters ; microwave measurement technique ; microwave sensor ; Microwave sensors ; Resonant frequency ; Rotation ; rotational angle sensor ; Rotors ; Sensitivity ; Sensors ; Separation ; Stators ; Substrates ; Transfer functions ; transmission zero ; transversal signal interference (TSI)</subject><ispartof>IEEE sensors journal, 2020-10, Vol.20 (19), p.11237-11246</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c359t-783aa3274fe476e1ccaee16a24b4c921f76436170092af1217658299011484033</citedby><cites>FETCH-LOGICAL-c359t-783aa3274fe476e1ccaee16a24b4c921f76436170092af1217658299011484033</cites><orcidid>0000-0001-9132-6927 ; 0000-0002-9422-4923 ; 0000-0003-2104-5665 ; 0000-0002-1264-4810 ; 0000-0002-3760-8955 ; 0000-0001-7355-087X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9102998$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9102998$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Chio, Chi Hou</creatorcontrib><creatorcontrib>Gomez-Garcia, Roberto</creatorcontrib><creatorcontrib>Yang, Li</creatorcontrib><creatorcontrib>Tam, Kam Weng</creatorcontrib><creatorcontrib>Choi, Wai-Wa</creatorcontrib><creatorcontrib>Ho, Sut Kam</creatorcontrib><title>An Angular Displacement Sensor Based on Microwave Transversal Signal Interference Principle</title><title>IEEE sensors journal</title><addtitle>JSEN</addtitle><description>A novel rotational angle microwave sensor with a high dynamic range and sensitivity for detecting angular displacement is presented. It exploits the spectral separation between two notch frequencies or transmission zeros that are generated in its transfer function, and whose value varies as a function of the rotation angle to be measured. The sensor is based on a bi-path transversal-signal-interference (TSI) circuit configuration that is implemented on microstrip technology, where a rotor comprised of an open-circuit-ended stub is loaded onto a stator of this transversal circuit with equal-length electrical paths. The mechanical rotation of the rotor changes the contact point of the open-circuit-ended line to the stator, thus effectively modifying one of the overall paths of the stator and, hence, the inter-transmission-zero separation. Design guidelines for the synthesis of the proposed rotation sensor with a specified dynamic range and sensitivity are provided. Furthermore, a proof-of-concept microstrip-substrate-based prototype with an angular rotation range of 180° is developed at 920 MHz and tested to validate this approach experimentally.</description><subject>Angular displacement sensor</subject><subject>Circuits</subject><subject>Dynamic range</subject><subject>Electric contacts</subject><subject>Interference</subject><subject>microstrip technology</subject><subject>Microwave circuits</subject><subject>Microwave filters</subject><subject>microwave measurement technique</subject><subject>microwave sensor</subject><subject>Microwave sensors</subject><subject>Resonant frequency</subject><subject>Rotation</subject><subject>rotational angle sensor</subject><subject>Rotors</subject><subject>Sensitivity</subject><subject>Sensors</subject><subject>Separation</subject><subject>Stators</subject><subject>Substrates</subject><subject>Transfer functions</subject><subject>transmission zero</subject><subject>transversal signal interference (TSI)</subject><issn>1530-437X</issn><issn>1558-1748</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1Lw0AQhoMoWKs_QLwseE6d2d1ks8daq1b8glYQPCxrnJSUdBN304r_3oQWT-8cnneYeaLoHGGECPrqYT59HnHgMOJaZ5jhQTTAJMliVDI77GcBsRTq_Tg6CWEFgFolahB9jB0bu-Wmsp7dlKGpbE5rci2bkwu1Z9c20BerHXsqc1__2C2xhbcubMkHW7F5uXRdzFxLviBPLif26kuXl01Fp9FRYatAZ_scRm-308XkPn58uZtNxo9xLhLdxioT1gquZEFSpYR5bokwtVx-ylxzLFQqRYoKQHNbIEeVJln3JSDKTIIQw-hyt7fx9feGQmtW9cZ3dwXDpURAAFAdhTuq-yMET4VpfLm2_tcgmN6h6R2a3qHZO-w6F7tOSUT_vEboAfEH-dxsIg</recordid><startdate>20201001</startdate><enddate>20201001</enddate><creator>Chio, Chi Hou</creator><creator>Gomez-Garcia, Roberto</creator><creator>Yang, Li</creator><creator>Tam, Kam Weng</creator><creator>Choi, Wai-Wa</creator><creator>Ho, Sut Kam</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>7U5</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-9132-6927</orcidid><orcidid>https://orcid.org/0000-0002-9422-4923</orcidid><orcidid>https://orcid.org/0000-0003-2104-5665</orcidid><orcidid>https://orcid.org/0000-0002-1264-4810</orcidid><orcidid>https://orcid.org/0000-0002-3760-8955</orcidid><orcidid>https://orcid.org/0000-0001-7355-087X</orcidid></search><sort><creationdate>20201001</creationdate><title>An Angular Displacement Sensor Based on Microwave Transversal Signal Interference Principle</title><author>Chio, Chi Hou ; Gomez-Garcia, Roberto ; Yang, Li ; Tam, Kam Weng ; Choi, Wai-Wa ; Ho, Sut Kam</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c359t-783aa3274fe476e1ccaee16a24b4c921f76436170092af1217658299011484033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Angular displacement sensor</topic><topic>Circuits</topic><topic>Dynamic range</topic><topic>Electric contacts</topic><topic>Interference</topic><topic>microstrip technology</topic><topic>Microwave circuits</topic><topic>Microwave filters</topic><topic>microwave measurement technique</topic><topic>microwave sensor</topic><topic>Microwave sensors</topic><topic>Resonant frequency</topic><topic>Rotation</topic><topic>rotational angle sensor</topic><topic>Rotors</topic><topic>Sensitivity</topic><topic>Sensors</topic><topic>Separation</topic><topic>Stators</topic><topic>Substrates</topic><topic>Transfer functions</topic><topic>transmission zero</topic><topic>transversal signal interference (TSI)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chio, Chi Hou</creatorcontrib><creatorcontrib>Gomez-Garcia, Roberto</creatorcontrib><creatorcontrib>Yang, Li</creatorcontrib><creatorcontrib>Tam, Kam Weng</creatorcontrib><creatorcontrib>Choi, Wai-Wa</creatorcontrib><creatorcontrib>Ho, Sut Kam</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>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE sensors journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Chio, Chi Hou</au><au>Gomez-Garcia, Roberto</au><au>Yang, Li</au><au>Tam, Kam Weng</au><au>Choi, Wai-Wa</au><au>Ho, Sut Kam</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An Angular Displacement Sensor Based on Microwave Transversal Signal Interference Principle</atitle><jtitle>IEEE sensors journal</jtitle><stitle>JSEN</stitle><date>2020-10-01</date><risdate>2020</risdate><volume>20</volume><issue>19</issue><spage>11237</spage><epage>11246</epage><pages>11237-11246</pages><issn>1530-437X</issn><eissn>1558-1748</eissn><coden>ISJEAZ</coden><abstract>A novel rotational angle microwave sensor with a high dynamic range and sensitivity for detecting angular displacement is presented. It exploits the spectral separation between two notch frequencies or transmission zeros that are generated in its transfer function, and whose value varies as a function of the rotation angle to be measured. The sensor is based on a bi-path transversal-signal-interference (TSI) circuit configuration that is implemented on microstrip technology, where a rotor comprised of an open-circuit-ended stub is loaded onto a stator of this transversal circuit with equal-length electrical paths. The mechanical rotation of the rotor changes the contact point of the open-circuit-ended line to the stator, thus effectively modifying one of the overall paths of the stator and, hence, the inter-transmission-zero separation. Design guidelines for the synthesis of the proposed rotation sensor with a specified dynamic range and sensitivity are provided. 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| subjects | Angular displacement sensor Circuits Dynamic range Electric contacts Interference microstrip technology Microwave circuits Microwave filters microwave measurement technique microwave sensor Microwave sensors Resonant frequency Rotation rotational angle sensor Rotors Sensitivity Sensors Separation Stators Substrates Transfer functions transmission zero transversal signal interference (TSI) |
| title | An Angular Displacement Sensor Based on Microwave Transversal Signal Interference Principle |
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