Online converter parameter identification method based on observer
The invention provides an online converter parameter identification method based on an observer. An inductive current and output voltage of a converter are subjected to synchronous sampling, a converter discrete model is established, and the converter discrete model is subjected to online parameter...
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| creator | WU HANGJU LI ZHENGYU ZHOU LUOWEI XIE GUANGCHENG WU YU LUO QUANMING |
| description | The invention provides an online converter parameter identification method based on an observer. An inductive current and output voltage of a converter are subjected to synchronous sampling, a converter discrete model is established, and the converter discrete model is subjected to online parameter identification through the observer. The observer principle is adopted for the online converter parameter identification method based on the observer, main circuit parameters of the converter are subjected to non-invasive online identification, an accurate parameter identification result can be obtained without affecting normal work of the converter, and multiple parameters including the filtering inductance value, the inductance equivalent series resistance value, the filtering capacitance value, the filtering capacitance equivalent series resistance value, the load resistance value and the like can be identified accurately on line according to the output voltage sampling value, the inductive current sampling valu |
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An inductive current and output voltage of a converter are subjected to synchronous sampling, a converter discrete model is established, and the converter discrete model is subjected to online parameter identification through the observer. The observer principle is adopted for the online converter parameter identification method based on the observer, main circuit parameters of the converter are subjected to non-invasive online identification, an accurate parameter identification result can be obtained without affecting normal work of the converter, and multiple parameters including the filtering inductance value, the inductance equivalent series resistance value, the filtering capacitance value, the filtering capacitance equivalent series resistance value, the load resistance value and the like can be identified accurately on line according to the output voltage sampling value, the inductive current sampling valu</description><language>chi ; eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; ELECTRIC DIGITAL DATA PROCESSING ; INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTEDFOR SPECIFIC APPLICATION FIELDS ; PHYSICS</subject><creationdate>2016</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20161109&DB=EPODOC&CC=CN&NR=106096298A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20161109&DB=EPODOC&CC=CN&NR=106096298A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WU HANGJU</creatorcontrib><creatorcontrib>LI ZHENGYU</creatorcontrib><creatorcontrib>ZHOU LUOWEI</creatorcontrib><creatorcontrib>XIE GUANGCHENG</creatorcontrib><creatorcontrib>WU YU</creatorcontrib><creatorcontrib>LUO QUANMING</creatorcontrib><title>Online converter parameter identification method based on observer</title><description>The invention provides an online converter parameter identification method based on an observer. 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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTEDFOR SPECIFIC APPLICATION FIELDS PHYSICS |
| title | Online converter parameter identification method based on observer |
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