Drive circuit and drive method of a stepping motor
A stepping motor drive circuit includes a control-purpose controller, the control-purpose controller having: a control-purpose position detecting unit; a rotation command information inputting unit arranged to receive command information on the rotating position of the stepping motor; a control-purp...
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| creator | TAKA, HIROAKI |
| description | A stepping motor drive circuit includes a control-purpose controller, the control-purpose controller having: a control-purpose position detecting unit; a rotation command information inputting unit arranged to receive command information on the rotating position of the stepping motor; a control-purpose deviation calculating unit configured to calculate a positional deviation between the rotating position of the stepping motor detected by the control-purpose position detecting unit and the rotating position included in the command information; and an amplitude value setting unit. The amplitude value setting unit is configured to switch operations of stator coils provided in the stepping motor pursuant to the command information, to rotate the stepping motor to the rotating position included in the command information and to increase or decrease an amplitude value of a drive current fed to the stator coils during stoppage of the stepping motor, depending on the positional deviation calculated by the control-purpose deviation calculating unit. |
| format | Patent |
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The amplitude value setting unit is configured to switch operations of stator coils provided in the stepping motor pursuant to the command information, to rotate the stepping motor to the rotating position included in the command information and to increase or decrease an amplitude value of a drive current fed to the stator coils during stoppage of the stepping motor, depending on the positional deviation calculated by the control-purpose deviation calculating unit.</description><language>eng ; fre ; ger</language><subject>CONTROL OR REGULATING SYSTEMS IN GENERAL ; CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS ; CONTROLLING ; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY ; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR ; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY ; ELECTRICITY ; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS ; GENERATION ; HUMAN NECESSITIES ; HYGIENE ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; MEDICAL OR VETERINARY SCIENCE ; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS ; PHYSICS ; REGULATING ; TESTING</subject><creationdate>2012</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=20120718&DB=EPODOC&CC=EP&NR=2477323A2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120718&DB=EPODOC&CC=EP&NR=2477323A2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAKA, HIROAKI</creatorcontrib><title>Drive circuit and drive method of a stepping motor</title><description>A stepping motor drive circuit includes a control-purpose controller, the control-purpose controller having: a control-purpose position detecting unit; a rotation command information inputting unit arranged to receive command information on the rotating position of the stepping motor; a control-purpose deviation calculating unit configured to calculate a positional deviation between the rotating position of the stepping motor detected by the control-purpose position detecting unit and the rotating position included in the command information; and an amplitude value setting unit. The amplitude value setting unit is configured to switch operations of stator coils provided in the stepping motor pursuant to the command information, to rotate the stepping motor to the rotating position included in the command information and to increase or decrease an amplitude value of a drive current fed to the stator coils during stoppage of the stepping motor, depending on the positional deviation calculated by the control-purpose deviation calculating unit.</description><subject>CONTROL OR REGULATING SYSTEMS IN GENERAL</subject><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</subject><subject>CONTROLLING</subject><subject>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY</subject><subject>DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR</subject><subject>DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY</subject><subject>ELECTRICITY</subject><subject>FUNCTIONAL ELEMENTS OF SUCH SYSTEMS</subject><subject>GENERATION</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS</subject><subject>PHYSICS</subject><subject>REGULATING</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDByKcosS1VIzixKLs0sUUjMS1FIAYvkppZk5Kco5KcpJCoUl6QWFGTmpSvk5pfkF_EwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUknjXACMTc3NjI2NHI2MilAAARckrRw</recordid><startdate>20120718</startdate><enddate>20120718</enddate><creator>TAKA, HIROAKI</creator><scope>EVB</scope></search><sort><creationdate>20120718</creationdate><title>Drive circuit and drive method of a stepping motor</title><author>TAKA, HIROAKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2477323A23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2012</creationdate><topic>CONTROL OR REGULATING SYSTEMS IN GENERAL</topic><topic>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</topic><topic>CONTROLLING</topic><topic>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY</topic><topic>DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR</topic><topic>DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY</topic><topic>ELECTRICITY</topic><topic>FUNCTIONAL ELEMENTS OF SUCH SYSTEMS</topic><topic>GENERATION</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>MEASURING</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS</topic><topic>PHYSICS</topic><topic>REGULATING</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>TAKA, HIROAKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAKA, HIROAKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Drive circuit and drive method of a stepping motor</title><date>2012-07-18</date><risdate>2012</risdate><abstract>A stepping motor drive circuit includes a control-purpose controller, the control-purpose controller having: a control-purpose position detecting unit; a rotation command information inputting unit arranged to receive command information on the rotating position of the stepping motor; a control-purpose deviation calculating unit configured to calculate a positional deviation between the rotating position of the stepping motor detected by the control-purpose position detecting unit and the rotating position included in the command information; and an amplitude value setting unit. The amplitude value setting unit is configured to switch operations of stator coils provided in the stepping motor pursuant to the command information, to rotate the stepping motor to the rotating position included in the command information and to increase or decrease an amplitude value of a drive current fed to the stator coils during stoppage of the stepping motor, depending on the positional deviation calculated by the control-purpose deviation calculating unit.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
| recordid | cdi_epo_espacenet_EP2477323A2 |
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| subjects | CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GENERATION HUMAN NECESSITIES HYGIENE MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MEDICAL OR VETERINARY SCIENCE MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING TESTING |
| title | Drive circuit and drive method of a stepping motor |
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