A Fast Simulation Methodology for Touch Sensor Panels: Formulation and Experimental Validation
This paper presents a novel approach for fast and efficient touch sensor panel modeling, combining electroquasistatic simulation with SPICE type circuit simulation and also presents a method of experimental validation. Touch sensor panel properties are governed by the mutual and self-capacitances of...
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| Veröffentlicht in: | IEEE sensors journal 2019-02, Vol.19 (3), p.996-1007 |
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| creator | Luttgen, Andrea Sharma, Sameer K. Zhou, Degen Leigh, Darren Sanders, Steven Sarris, Costas D. |
| description | This paper presents a novel approach for fast and efficient touch sensor panel modeling, combining electroquasistatic simulation with SPICE type circuit simulation and also presents a method of experimental validation. Touch sensor panel properties are governed by the mutual and self-capacitances of their traces, some of which are affected by touch. It will be shown that all relevant capacitances can be captured by electroquasistatic simulation of a small panel section and extrapolated for a larger size panel. Utilizing these capacitances, equivalent circuits for arbitrary size touch sensor panels, with and without touch, are extracted for simulation in any measurement or operational environment. As an application, derivation of an aggregate capacitance between two panel traces is performed utilizing the equivalent circuits. This parameter is readily measurable, providing a method of validation for simulation results. Its rate of change also provides a measure of the touch response of the panel. Simulation results for the rate of change of the aggregate capacitance are presented and compared to measurement. |
| doi_str_mv | 10.1109/JSEN.2018.2880873 |
| format | Article |
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Touch sensor panel properties are governed by the mutual and self-capacitances of their traces, some of which are affected by touch. It will be shown that all relevant capacitances can be captured by electroquasistatic simulation of a small panel section and extrapolated for a larger size panel. Utilizing these capacitances, equivalent circuits for arbitrary size touch sensor panels, with and without touch, are extracted for simulation in any measurement or operational environment. As an application, derivation of an aggregate capacitance between two panel traces is performed utilizing the equivalent circuits. This parameter is readily measurable, providing a method of validation for simulation results. Its rate of change also provides a measure of the touch response of the panel. 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(IEEE) 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c293t-a6d6ad8d27f1f89fd5a7fc2c61bdd9269ff77df4c9182b4cd9f06ae44392c1363</citedby><cites>FETCH-LOGICAL-c293t-a6d6ad8d27f1f89fd5a7fc2c61bdd9269ff77df4c9182b4cd9f06ae44392c1363</cites><orcidid>0000-0002-0360-9132 ; 0000-0002-9899-2735</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8531778$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8531778$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Luttgen, Andrea</creatorcontrib><creatorcontrib>Sharma, Sameer K.</creatorcontrib><creatorcontrib>Zhou, Degen</creatorcontrib><creatorcontrib>Leigh, Darren</creatorcontrib><creatorcontrib>Sanders, Steven</creatorcontrib><creatorcontrib>Sarris, Costas D.</creatorcontrib><title>A Fast Simulation Methodology for Touch Sensor Panels: Formulation and Experimental Validation</title><title>IEEE sensors journal</title><addtitle>JSEN</addtitle><description>This paper presents a novel approach for fast and efficient touch sensor panel modeling, combining electroquasistatic simulation with SPICE type circuit simulation and also presents a method of experimental validation. 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Simulation results for the rate of change of the aggregate capacitance are presented and compared to measurement.</description><subject>Capacitance</subject><subject>Capacitance measurement</subject><subject>Capacitive sensors</subject><subject>Computer simulation</subject><subject>electric fields</subject><subject>Equivalent circuits</subject><subject>Geometry</subject><subject>Integrated circuit modeling</subject><subject>Panels</subject><subject>self and mutual capacitances</subject><subject>Sensors</subject><subject>Simulation</subject><subject>Tactile sensors</subject><subject>Touch</subject><subject>touch panels</subject><issn>1530-437X</issn><issn>1558-1748</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kNlKAzEUhoMoWKsPIN4EvJ6aZSaLd0VaF-oCreKVIc1ip0wnNZkB-_ZObelVTjjff87hA-ASowHGSN48TUcvA4KwGBAhkOD0CPRwUYgM81wcb2uKspzyz1NwltISISx5wXvgawjHOjVwWq7aSjdlqOGzaxbBhip8b6APEc5CaxZw6urUfd507ap0C8chHgK6tnD0u3axXLm60RX80FVp_3vn4MTrKrmL_dsH7-PR7O4hm7zeP94NJ5khkjaZZpZpKyzhHnshvS0094YYhufWSsKk95xbnxuJBZnnxkqPmHZ5TiUxmDLaB9e7uesYflqXGrUMbay7lYpgxkTRQUVH4R1lYkgpOq_W3c06bhRGaqtRbTWqrUa119hlrnaZ0jl34EVBMeeC_gHr_W_B</recordid><startdate>20190201</startdate><enddate>20190201</enddate><creator>Luttgen, Andrea</creator><creator>Sharma, Sameer K.</creator><creator>Zhou, Degen</creator><creator>Leigh, Darren</creator><creator>Sanders, Steven</creator><creator>Sarris, Costas D.</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/0000-0002-0360-9132</orcidid><orcidid>https://orcid.org/0000-0002-9899-2735</orcidid></search><sort><creationdate>20190201</creationdate><title>A Fast Simulation Methodology for Touch Sensor Panels: Formulation and Experimental Validation</title><author>Luttgen, Andrea ; Sharma, Sameer K. ; Zhou, Degen ; Leigh, Darren ; Sanders, Steven ; Sarris, Costas D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c293t-a6d6ad8d27f1f89fd5a7fc2c61bdd9269ff77df4c9182b4cd9f06ae44392c1363</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Capacitance</topic><topic>Capacitance measurement</topic><topic>Capacitive sensors</topic><topic>Computer simulation</topic><topic>electric fields</topic><topic>Equivalent circuits</topic><topic>Geometry</topic><topic>Integrated circuit modeling</topic><topic>Panels</topic><topic>self and mutual capacitances</topic><topic>Sensors</topic><topic>Simulation</topic><topic>Tactile sensors</topic><topic>Touch</topic><topic>touch panels</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Luttgen, Andrea</creatorcontrib><creatorcontrib>Sharma, Sameer K.</creatorcontrib><creatorcontrib>Zhou, Degen</creatorcontrib><creatorcontrib>Leigh, Darren</creatorcontrib><creatorcontrib>Sanders, Steven</creatorcontrib><creatorcontrib>Sarris, Costas D.</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>Luttgen, Andrea</au><au>Sharma, Sameer K.</au><au>Zhou, Degen</au><au>Leigh, Darren</au><au>Sanders, Steven</au><au>Sarris, Costas D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Fast Simulation Methodology for Touch Sensor Panels: Formulation and Experimental Validation</atitle><jtitle>IEEE sensors journal</jtitle><stitle>JSEN</stitle><date>2019-02-01</date><risdate>2019</risdate><volume>19</volume><issue>3</issue><spage>996</spage><epage>1007</epage><pages>996-1007</pages><issn>1530-437X</issn><eissn>1558-1748</eissn><coden>ISJEAZ</coden><abstract>This paper presents a novel approach for fast and efficient touch sensor panel modeling, combining electroquasistatic simulation with SPICE type circuit simulation and also presents a method of experimental validation. Touch sensor panel properties are governed by the mutual and self-capacitances of their traces, some of which are affected by touch. It will be shown that all relevant capacitances can be captured by electroquasistatic simulation of a small panel section and extrapolated for a larger size panel. Utilizing these capacitances, equivalent circuits for arbitrary size touch sensor panels, with and without touch, are extracted for simulation in any measurement or operational environment. As an application, derivation of an aggregate capacitance between two panel traces is performed utilizing the equivalent circuits. This parameter is readily measurable, providing a method of validation for simulation results. Its rate of change also provides a measure of the touch response of the panel. 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| ispartof | IEEE sensors journal, 2019-02, Vol.19 (3), p.996-1007 |
| issn | 1530-437X 1558-1748 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Capacitance Capacitance measurement Capacitive sensors Computer simulation electric fields Equivalent circuits Geometry Integrated circuit modeling Panels self and mutual capacitances Sensors Simulation Tactile sensors Touch touch panels |
| title | A Fast Simulation Methodology for Touch Sensor Panels: Formulation and Experimental Validation |
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