Improved Closed-Loop Flux Observer Based Sensorless Control Against System Oscillation for Synchronous Reluctance Machine Drives
Flux-linkage based sensorless control method is well-known and has been widely used in the control of electrical machines. The closed-loop flux observer (CLFO), which is the adaptive combination of the machine voltage and current models, is commonly adopted. It can cover a wide speed operation range...
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| Veröffentlicht in: | IEEE transactions on power electronics 2019-05, Vol.34 (5), p.4593-4602 |
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| creator | Wang, Dong Lu, Kaiyuan Rasmussen, Peter Omand |
| description | Flux-linkage based sensorless control method is well-known and has been widely used in the control of electrical machines. The closed-loop flux observer (CLFO), which is the adaptive combination of the machine voltage and current models, is commonly adopted. It can cover a wide speed operation range and was considered to be able to solve the dc drift and initial value problem associated to the pure integrator used in the observer. However, it is reported in this paper that this popular CLFO cannot always work as expected. In some situations, dc-offsets cannot be removed by this flux observer, causing large system oscillation at fundamental frequency and is very harmful to the drive system. This important issue has not been reported and discussed in the existing literatures of the CLFO. In this paper, this phenomenon is experimentally illustrated and solution to damp this harmful oscillation is proposed and verified experimentally on a synchronous reluctance machine drive system. |
| doi_str_mv | 10.1109/TPEL.2018.2865348 |
| format | Article |
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The closed-loop flux observer (CLFO), which is the adaptive combination of the machine voltage and current models, is commonly adopted. It can cover a wide speed operation range and was considered to be able to solve the dc drift and initial value problem associated to the pure integrator used in the observer. However, it is reported in this paper that this popular CLFO cannot always work as expected. In some situations, dc-offsets cannot be removed by this flux observer, causing large system oscillation at fundamental frequency and is very harmful to the drive system. This important issue has not been reported and discussed in the existing literatures of the CLFO. In this paper, this phenomenon is experimentally illustrated and solution to damp this harmful oscillation is proposed and verified experimentally on a synchronous reluctance machine drive system.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2018.2865348</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Adaptation models ; Boundary value problems ; DC-offset ; Flux ; flux observer ; Inductance ; nonideal proportional-resonant controller ; Observers ; Offsets ; Oscillators ; Reluctance machinery ; Resonant frequencies ; Rotors ; sensorless ; Sensorless control ; stability ; Stators ; synchronous reluctance machine (SynRM)</subject><ispartof>IEEE transactions on power electronics, 2019-05, Vol.34 (5), p.4593-4602</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c336t-cd50b27732d6e2cdde5b164408ff979e1377c2825ecf755229bccda57bcfad383</citedby><cites>FETCH-LOGICAL-c336t-cd50b27732d6e2cdde5b164408ff979e1377c2825ecf755229bccda57bcfad383</cites><orcidid>0000-0003-4012-2611 ; 0000-0001-6074-8043</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8434357$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8434357$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Wang, Dong</creatorcontrib><creatorcontrib>Lu, Kaiyuan</creatorcontrib><creatorcontrib>Rasmussen, Peter Omand</creatorcontrib><title>Improved Closed-Loop Flux Observer Based Sensorless Control Against System Oscillation for Synchronous Reluctance Machine Drives</title><title>IEEE transactions on power electronics</title><addtitle>TPEL</addtitle><description>Flux-linkage based sensorless control method is well-known and has been widely used in the control of electrical machines. 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In this paper, this phenomenon is experimentally illustrated and solution to damp this harmful oscillation is proposed and verified experimentally on a synchronous reluctance machine drive system.</description><subject>Adaptation models</subject><subject>Boundary value problems</subject><subject>DC-offset</subject><subject>Flux</subject><subject>flux observer</subject><subject>Inductance</subject><subject>nonideal proportional-resonant controller</subject><subject>Observers</subject><subject>Offsets</subject><subject>Oscillators</subject><subject>Reluctance machinery</subject><subject>Resonant frequencies</subject><subject>Rotors</subject><subject>sensorless</subject><subject>Sensorless control</subject><subject>stability</subject><subject>Stators</subject><subject>synchronous reluctance machine (SynRM)</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1LAzEQhoMoWKs_QLwEPG_Nx2aTHLV-QqVi63nJJrO6sk1qslvszZ_uloqngZnnnWEehM4pmVBK9NXy5W42YYSqCVOF4Lk6QCOqc5oRSuQhGhGlRKa05sfoJKVPQmguCB2hn6fVOoYNODxtQwKXzUJY4_u2_8bzKkHcQMQ3ZhjgBfgUYgsp4WnwXQwtvn43jU8dXmxTBys8T7ZpW9M1weM6xKHt7UcMPvQJv0Lb2854C_jZ2I_GA76NzQbSKTqqTZvg7K-O0dv93XL6mM3mD0_T61lmOS-6zDpBKiYlZ64AZp0DUdEiz4mqay01UC6lZYoJsLUUgjFdWeuMkJWtjeOKj9Hlfu_w7lcPqSs_Qx_9cLJkjHCui0LzgaJ7ysaQUoS6XMdmZeK2pKTciS53osud6PJP9JC52GcaAPjnVc5zLiT_BSeifGA</recordid><startdate>20190501</startdate><enddate>20190501</enddate><creator>Wang, Dong</creator><creator>Lu, Kaiyuan</creator><creator>Rasmussen, Peter Omand</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The closed-loop flux observer (CLFO), which is the adaptive combination of the machine voltage and current models, is commonly adopted. It can cover a wide speed operation range and was considered to be able to solve the dc drift and initial value problem associated to the pure integrator used in the observer. However, it is reported in this paper that this popular CLFO cannot always work as expected. In some situations, dc-offsets cannot be removed by this flux observer, causing large system oscillation at fundamental frequency and is very harmful to the drive system. This important issue has not been reported and discussed in the existing literatures of the CLFO. In this paper, this phenomenon is experimentally illustrated and solution to damp this harmful oscillation is proposed and verified experimentally on a synchronous reluctance machine drive system.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TPEL.2018.2865348</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0003-4012-2611</orcidid><orcidid>https://orcid.org/0000-0001-6074-8043</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | IEEE transactions on power electronics, 2019-05, Vol.34 (5), p.4593-4602 |
| issn | 0885-8993 1941-0107 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Adaptation models Boundary value problems DC-offset Flux flux observer Inductance nonideal proportional-resonant controller Observers Offsets Oscillators Reluctance machinery Resonant frequencies Rotors sensorless Sensorless control stability Stators synchronous reluctance machine (SynRM) |
| title | Improved Closed-Loop Flux Observer Based Sensorless Control Against System Oscillation for Synchronous Reluctance Machine Drives |
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