A New }-MRAS Method for Motor Speed Estimation
This letter introduces a new method to estimate the motor speed based on the Model Reference Adaptive System (MRAS) technique. The novelty of the proposed MRAS control structure relies on using the motor input impedance angle as a reference state variable to estimate the motor speed. In this context...
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| Veröffentlicht in: | IEEE transactions on power delivery 2021-06, Vol.36 (3), p.1903-1906 |
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| container_title | IEEE transactions on power delivery |
| container_volume | 36 |
| creator | Hamed, Hany A. Elbarbary, Z. M. Moursi, Mohamed Shawky El Chamarthi, Phani Kumar |
| description | This letter introduces a new method to estimate the motor speed based on the Model Reference Adaptive System (MRAS) technique. The novelty of the proposed MRAS control structure relies on using the motor input impedance angle as a reference state variable to estimate the motor speed. In this context, the reference angle is obtained from measuring the angle between the motor terminal voltage and current vectors using a double-structure Phase Locked Loop (PLL). The tunable angle is instantaneously calculated using the per-phase motor equivalent circuit. Having the impedance angle as the only candidate for the proposed scheme inherently decouples the reference and the adaptive models. This decoupling resulted in obtaining a superior performance at low, high, and zero speeds. The simplicity of the reference and the adaptive schemes ease the analysis, design, and implementation. The introduced speed estimation concept is validated under different scenarios of operating conditions. |
| doi_str_mv | 10.1109/TPWRD.2020.3029422 |
| format | Article |
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M. ; Moursi, Mohamed Shawky El ; Chamarthi, Phani Kumar</creator><creatorcontrib>Hamed, Hany A. ; Elbarbary, Z. M. ; Moursi, Mohamed Shawky El ; Chamarthi, Phani Kumar</creatorcontrib><description>This letter introduces a new method to estimate the motor speed based on the Model Reference Adaptive System (MRAS) technique. The novelty of the proposed MRAS control structure relies on using the motor input impedance angle as a reference state variable to estimate the motor speed. In this context, the reference angle is obtained from measuring the angle between the motor terminal voltage and current vectors using a double-structure Phase Locked Loop (PLL). The tunable angle is instantaneously calculated using the per-phase motor equivalent circuit. Having the impedance angle as the only candidate for the proposed scheme inherently decouples the reference and the adaptive models. This decoupling resulted in obtaining a superior performance at low, high, and zero speeds. The simplicity of the reference and the adaptive schemes ease the analysis, design, and implementation. The introduced speed estimation concept is validated under different scenarios of operating conditions.</description><identifier>ISSN: 0885-8977</identifier><identifier>EISSN: 1937-4208</identifier><identifier>DOI: 10.1109/TPWRD.2020.3029422</identifier><identifier>CODEN: ITPDE5</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Adaptation models ; Adaptive systems ; Decoupling ; Equivalent circuits ; Estimation ; Impedance ; Induction motors ; Input impedance ; Mathematical model ; Model reference adaptive control ; Model reference adaptive system (MRAS) ; motor input impedance angle ; Phase locked loops ; sensorless operation ; vector control ; Voltage measurement</subject><ispartof>IEEE transactions on power delivery, 2021-06, Vol.36 (3), p.1903-1906</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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M.</creatorcontrib><creatorcontrib>Moursi, Mohamed Shawky El</creatorcontrib><creatorcontrib>Chamarthi, Phani Kumar</creatorcontrib><title>A New }-MRAS Method for Motor Speed Estimation</title><title>IEEE transactions on power delivery</title><addtitle>TPWRD</addtitle><description>This letter introduces a new method to estimate the motor speed based on the Model Reference Adaptive System (MRAS) technique. The novelty of the proposed MRAS control structure relies on using the motor input impedance angle as a reference state variable to estimate the motor speed. In this context, the reference angle is obtained from measuring the angle between the motor terminal voltage and current vectors using a double-structure Phase Locked Loop (PLL). The tunable angle is instantaneously calculated using the per-phase motor equivalent circuit. Having the impedance angle as the only candidate for the proposed scheme inherently decouples the reference and the adaptive models. This decoupling resulted in obtaining a superior performance at low, high, and zero speeds. The simplicity of the reference and the adaptive schemes ease the analysis, design, and implementation. The introduced speed estimation concept is validated under different scenarios of operating conditions.</description><subject>Adaptation models</subject><subject>Adaptive systems</subject><subject>Decoupling</subject><subject>Equivalent circuits</subject><subject>Estimation</subject><subject>Impedance</subject><subject>Induction motors</subject><subject>Input impedance</subject><subject>Mathematical model</subject><subject>Model reference adaptive control</subject><subject>Model reference adaptive system (MRAS)</subject><subject>motor input impedance angle</subject><subject>Phase locked loops</subject><subject>sensorless operation</subject><subject>vector control</subject><subject>Voltage measurement</subject><issn>0885-8977</issn><issn>1937-4208</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>ESBDL</sourceid><sourceid>RIE</sourceid><recordid>eNo9kE1PAjEQhhujiYj-Ab1s4nnXaadl2yNBUBNQAxiPzX5MI0QptkuMB_-7u0K8zFze553Jw9glh4xzMDfL59f5bSZAQIYgjBTiiPW4wTyVAvQx64HWKtUmz0_ZWYxrAJBgoMeyYfJIX8lPOpsPF8mMmjdfJ86HZOabdi62RHUyjs3qo2hWfnPOTlzxHunisPvsZTJeju7T6dPdw2g4TSuupUhJ8rJA5GSQO1A1KagkAJVYKIlFBQhEHJSTA1UqVzuHTpc6r0HKWskB9tn1vncb_OeOYmPXfhc27UkrFALnEk2XEvtUFXyMgZzdhvbR8G052M6L_fNiOy_24KWFrvbQioj-ASN4bnLEX46WW-U</recordid><startdate>202106</startdate><enddate>202106</enddate><creator>Hamed, Hany A.</creator><creator>Elbarbary, Z. M.</creator><creator>Moursi, Mohamed Shawky El</creator><creator>Chamarthi, Phani Kumar</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>ESBDL</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-6695-5342</orcidid><orcidid>https://orcid.org/0000-0002-3022-8618</orcidid><orcidid>https://orcid.org/0000-0001-9554-4358</orcidid></search><sort><creationdate>202106</creationdate><title>A New }-MRAS Method for Motor Speed Estimation</title><author>Hamed, Hany A. ; Elbarbary, Z. M. ; Moursi, Mohamed Shawky El ; Chamarthi, Phani Kumar</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1842-e41ba331e931f05de50c400eb3a543ac030ee105f465b5fdff3f8b87d044d5463</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adaptation models</topic><topic>Adaptive systems</topic><topic>Decoupling</topic><topic>Equivalent circuits</topic><topic>Estimation</topic><topic>Impedance</topic><topic>Induction motors</topic><topic>Input impedance</topic><topic>Mathematical model</topic><topic>Model reference adaptive control</topic><topic>Model reference adaptive system (MRAS)</topic><topic>motor input impedance angle</topic><topic>Phase locked loops</topic><topic>sensorless operation</topic><topic>vector control</topic><topic>Voltage measurement</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hamed, Hany A.</creatorcontrib><creatorcontrib>Elbarbary, Z. M.</creatorcontrib><creatorcontrib>Moursi, Mohamed Shawky El</creatorcontrib><creatorcontrib>Chamarthi, Phani Kumar</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE Open Access Journals</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>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on power delivery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hamed, Hany A.</au><au>Elbarbary, Z. M.</au><au>Moursi, Mohamed Shawky El</au><au>Chamarthi, Phani Kumar</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A New }-MRAS Method for Motor Speed Estimation</atitle><jtitle>IEEE transactions on power delivery</jtitle><stitle>TPWRD</stitle><date>2021-06</date><risdate>2021</risdate><volume>36</volume><issue>3</issue><spage>1903</spage><epage>1906</epage><pages>1903-1906</pages><issn>0885-8977</issn><eissn>1937-4208</eissn><coden>ITPDE5</coden><abstract>This letter introduces a new method to estimate the motor speed based on the Model Reference Adaptive System (MRAS) technique. The novelty of the proposed MRAS control structure relies on using the motor input impedance angle as a reference state variable to estimate the motor speed. In this context, the reference angle is obtained from measuring the angle between the motor terminal voltage and current vectors using a double-structure Phase Locked Loop (PLL). The tunable angle is instantaneously calculated using the per-phase motor equivalent circuit. Having the impedance angle as the only candidate for the proposed scheme inherently decouples the reference and the adaptive models. This decoupling resulted in obtaining a superior performance at low, high, and zero speeds. The simplicity of the reference and the adaptive schemes ease the analysis, design, and implementation. The introduced speed estimation concept is validated under different scenarios of operating conditions.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TPWRD.2020.3029422</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0001-6695-5342</orcidid><orcidid>https://orcid.org/0000-0002-3022-8618</orcidid><orcidid>https://orcid.org/0000-0001-9554-4358</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0885-8977 |
| ispartof | IEEE transactions on power delivery, 2021-06, Vol.36 (3), p.1903-1906 |
| issn | 0885-8977 1937-4208 |
| language | eng |
| recordid | cdi_ieee_primary_9217973 |
| source | IEEE Electronic Library (IEL) |
| subjects | Adaptation models Adaptive systems Decoupling Equivalent circuits Estimation Impedance Induction motors Input impedance Mathematical model Model reference adaptive control Model reference adaptive system (MRAS) motor input impedance angle Phase locked loops sensorless operation vector control Voltage measurement |
| title | A New }-MRAS Method for Motor Speed Estimation |
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