Motor driving apparatus
A Motor driving apparatus adjusts activation start timing of high-side activation control signals UU, VU, WU and the low-side activation control signals UL, VL, and WL with a state determination signal SJ in an activation controller 40 , in the period from starting to the time when rotor rotating sp...
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| creator | MORI HIDEAKI KUROSHIMA SHINICHI |
| description | A Motor driving apparatus adjusts activation start timing of high-side activation control signals UU, VU, WU and the low-side activation control signals UL, VL, and WL with a state determination signal SJ in an activation controller 40 , in the period from starting to the time when rotor rotating speed reaches a predetermined value, sets the activation start timing earlier than in normal times to perform leading phase activation control, and in normal times when the rotor rotating speed is a predetermined value or more, controls activation start timing in efficient and optimum phase. Hence, the motor driving apparatus can carry out stable PWM sensorless starting without any starting failure such as oscillation, loss of synchronism and reverse rotation and shorten starting time. |
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Hence, the motor driving apparatus can carry out stable PWM sensorless starting without any starting failure such as oscillation, loss of synchronism and reverse rotation and shorten starting time.</description><edition>7</edition><language>eng</language><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS ; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION</subject><creationdate>2005</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=20051124&DB=EPODOC&CC=US&NR=2005258788A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20051124&DB=EPODOC&CC=US&NR=2005258788A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MORI HIDEAKI</creatorcontrib><creatorcontrib>KUROSHIMA SHINICHI</creatorcontrib><title>Motor driving apparatus</title><description>A Motor driving apparatus adjusts activation start timing of high-side activation control signals UU, VU, WU and the low-side activation control signals UL, VL, and WL with a state determination signal SJ in an activation controller 40 , in the period from starting to the time when rotor rotating speed reaches a predetermined value, sets the activation start timing earlier than in normal times to perform leading phase activation control, and in normal times when the rotor rotating speed is a predetermined value or more, controls activation start timing in efficient and optimum phase. Hence, the motor driving apparatus can carry out stable PWM sensorless starting without any starting failure such as oscillation, loss of synchronism and reverse rotation and shorten starting time.</description><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</subject><subject>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2005</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBD3zS_JL1JIKcosy8xLV0gsKEgsSiwpLeZhYE1LzClO5YXS3AzKbq4hzh66qQX58anFBYnJqXmpJfGhwUYGBqZGphbmFhaOhsbEqQIAZ8QjIQ</recordid><startdate>20051124</startdate><enddate>20051124</enddate><creator>MORI HIDEAKI</creator><creator>KUROSHIMA SHINICHI</creator><scope>EVB</scope></search><sort><creationdate>20051124</creationdate><title>Motor driving apparatus</title><author>MORI HIDEAKI ; KUROSHIMA SHINICHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2005258788A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2005</creationdate><topic>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</topic><topic>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><toplevel>online_resources</toplevel><creatorcontrib>MORI HIDEAKI</creatorcontrib><creatorcontrib>KUROSHIMA SHINICHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MORI HIDEAKI</au><au>KUROSHIMA SHINICHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Motor driving apparatus</title><date>2005-11-24</date><risdate>2005</risdate><abstract>A Motor driving apparatus adjusts activation start timing of high-side activation control signals UU, VU, WU and the low-side activation control signals UL, VL, and WL with a state determination signal SJ in an activation controller 40 , in the period from starting to the time when rotor rotating speed reaches a predetermined value, sets the activation start timing earlier than in normal times to perform leading phase activation control, and in normal times when the rotor rotating speed is a predetermined value or more, controls activation start timing in efficient and optimum phase. Hence, the motor driving apparatus can carry out stable PWM sensorless starting without any starting failure such as oscillation, loss of synchronism and reverse rotation and shorten starting time.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION |
| title | Motor driving apparatus |
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