An improved BEMF detection method for sensorless BLDC motors
There are many ways to test the sensorless of the DC brushless motors, in which the counter electromotive force (EMF) is of the obvious superiority, become a well rounded. Here, the principle of counter EMF is introduced as well as a new program of counter and its modified model are analyzed. This m...
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| creator | Yushui Huang Yugang Xin Weicheng Zhang |
| description | There are many ways to test the sensorless of the DC brushless motors, in which the counter electromotive force (EMF) is of the obvious superiority, become a well rounded. Here, the principle of counter EMF is introduced as well as a new program of counter and its modified model are analyzed. This method directly extracts the true back electromotive force zero-crossing point by detecting the voltage difference between the floating phase terminal and the midpoint in the DC link. The commutation signal of the floating phase is obtained by lagging the back EMF zero-crossing point 30deg. Its advantage is that the precise crossover point can be tested without building up a suppositional neutral point and a filter of low frequency&voltage division circuit. As a result, this approach makes it possible to detect the rotor position over a wide speed range, especially at a lower speed. |
| doi_str_mv | 10.1109/ICIT.2008.4608661 |
| format | Conference Proceeding |
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Here, the principle of counter EMF is introduced as well as a new program of counter and its modified model are analyzed. This method directly extracts the true back electromotive force zero-crossing point by detecting the voltage difference between the floating phase terminal and the midpoint in the DC link. The commutation signal of the floating phase is obtained by lagging the back EMF zero-crossing point 30deg. Its advantage is that the precise crossover point can be tested without building up a suppositional neutral point and a filter of low frequency&voltage division circuit. As a result, this approach makes it possible to detect the rotor position over a wide speed range, especially at a lower speed.</description><identifier>ISBN: 9781424417056</identifier><identifier>ISBN: 1424417058</identifier><identifier>EISBN: 9781424417063</identifier><identifier>EISBN: 1424417066</identifier><identifier>DOI: 10.1109/ICIT.2008.4608661</identifier><identifier>LCCN: 2007906650</identifier><language>eng</language><publisher>IEEE</publisher><subject>BLDC ; Brushless DC motors ; Brushless motors ; control ; DC motors ; motor ; Permanent magnet motors ; Pulse width modulation ; sensorless ; Sensors ; Synchronous motors</subject><ispartof>2008 IEEE International Conference on Industrial Technology, 2008, p.1-4</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4608661$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,780,784,789,790,2058,27925,54920</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4608661$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Yushui Huang</creatorcontrib><creatorcontrib>Yugang Xin</creatorcontrib><creatorcontrib>Weicheng Zhang</creatorcontrib><title>An improved BEMF detection method for sensorless BLDC motors</title><title>2008 IEEE International Conference on Industrial Technology</title><addtitle>ICIT</addtitle><description>There are many ways to test the sensorless of the DC brushless motors, in which the counter electromotive force (EMF) is of the obvious superiority, become a well rounded. Here, the principle of counter EMF is introduced as well as a new program of counter and its modified model are analyzed. This method directly extracts the true back electromotive force zero-crossing point by detecting the voltage difference between the floating phase terminal and the midpoint in the DC link. The commutation signal of the floating phase is obtained by lagging the back EMF zero-crossing point 30deg. Its advantage is that the precise crossover point can be tested without building up a suppositional neutral point and a filter of low frequency&voltage division circuit. As a result, this approach makes it possible to detect the rotor position over a wide speed range, especially at a lower speed.</description><subject>BLDC</subject><subject>Brushless DC motors</subject><subject>Brushless motors</subject><subject>control</subject><subject>DC motors</subject><subject>motor</subject><subject>Permanent magnet motors</subject><subject>Pulse width modulation</subject><subject>sensorless</subject><subject>Sensors</subject><subject>Synchronous motors</subject><isbn>9781424417056</isbn><isbn>1424417058</isbn><isbn>9781424417063</isbn><isbn>1424417066</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2008</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpVj89KxDAYxCOyoK59APGSF-j6JWn-gZfduquFipfel7T5ipVtsyRF8O0tuBfnMgz8GGYIeWCwYQzsU1VWzYYDmE2hwCjFrkhmtWEFLwqmQYnrf1mqFblbcG1BKQk3JEvpCxYVUkgtb8nzdqLDeI7hGz3d7d8P1OOM3TyEiY44fwZP-xBpwimFeMKU6K5-KekY5hDTPVn17pQwu_iaNId9U77l9cdrVW7rfLAw58KZ1mrRgReIRkhjjOssaxnvBV-G8JYD87zwwoEVpvOMa6EZoNOKcyPFmjz-1Q6IeDzHYXTx53j5L34BS6lJUQ</recordid><startdate>200804</startdate><enddate>200804</enddate><creator>Yushui Huang</creator><creator>Yugang Xin</creator><creator>Weicheng Zhang</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>200804</creationdate><title>An improved BEMF detection method for sensorless BLDC motors</title><author>Yushui Huang ; Yugang Xin ; Weicheng Zhang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-3a8b973c0d3ee835888ac91b12f320452b201d24d3a0938cd1273710ea7622853</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2008</creationdate><topic>BLDC</topic><topic>Brushless DC motors</topic><topic>Brushless motors</topic><topic>control</topic><topic>DC motors</topic><topic>motor</topic><topic>Permanent magnet motors</topic><topic>Pulse width modulation</topic><topic>sensorless</topic><topic>Sensors</topic><topic>Synchronous motors</topic><toplevel>online_resources</toplevel><creatorcontrib>Yushui Huang</creatorcontrib><creatorcontrib>Yugang Xin</creatorcontrib><creatorcontrib>Weicheng Zhang</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Xplore</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Yushui Huang</au><au>Yugang Xin</au><au>Weicheng Zhang</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>An improved BEMF detection method for sensorless BLDC motors</atitle><btitle>2008 IEEE International Conference on Industrial Technology</btitle><stitle>ICIT</stitle><date>2008-04</date><risdate>2008</risdate><spage>1</spage><epage>4</epage><pages>1-4</pages><isbn>9781424417056</isbn><isbn>1424417058</isbn><eisbn>9781424417063</eisbn><eisbn>1424417066</eisbn><abstract>There are many ways to test the sensorless of the DC brushless motors, in which the counter electromotive force (EMF) is of the obvious superiority, become a well rounded. Here, the principle of counter EMF is introduced as well as a new program of counter and its modified model are analyzed. This method directly extracts the true back electromotive force zero-crossing point by detecting the voltage difference between the floating phase terminal and the midpoint in the DC link. The commutation signal of the floating phase is obtained by lagging the back EMF zero-crossing point 30deg. Its advantage is that the precise crossover point can be tested without building up a suppositional neutral point and a filter of low frequency&voltage division circuit. As a result, this approach makes it possible to detect the rotor position over a wide speed range, especially at a lower speed.</abstract><pub>IEEE</pub><doi>10.1109/ICIT.2008.4608661</doi><tpages>4</tpages></addata></record> |
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| ispartof | 2008 IEEE International Conference on Industrial Technology, 2008, p.1-4 |
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| language | eng |
| recordid | cdi_ieee_primary_4608661 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | BLDC Brushless DC motors Brushless motors control DC motors motor Permanent magnet motors Pulse width modulation sensorless Sensors Synchronous motors |
| title | An improved BEMF detection method for sensorless BLDC motors |
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