MOTOR DRIVING APPARATUS
A motor driving apparatus includes a first motor group including a number N of individual servo motors, a second motor group including a number N of individual second servo motors driven synchronously with the servo motors, and an inverter control unit. The inverter control unit controls a first swi...
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| creator | Takii, Takashi |
| description | A motor driving apparatus includes a first motor group including a number N of individual servo motors, a second motor group including a number N of individual second servo motors driven synchronously with the servo motors, and an inverter control unit. The inverter control unit controls a first switching total value and a second switching total value to be reversed in positive/negative sign. The first switching total value is obtained by subtracting the number of semiconductor switching devices opened in circuit on low potential side from the number of semiconductor switching devices opened in circuit on first high potential side, corresponding to the first motor group. The second switching total value is obtained by subtracting the number of semiconductor switching devices opened in circuit on high potential side from the number of second switching elements opened in circuit on low potential side, corresponding to the second motor group. |
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The inverter control unit controls a first switching total value and a second switching total value to be reversed in positive/negative sign. The first switching total value is obtained by subtracting the number of semiconductor switching devices opened in circuit on low potential side from the number of semiconductor switching devices opened in circuit on first high potential side, corresponding to the first motor group. The second switching total value is obtained by subtracting the number of semiconductor switching devices opened in circuit on high potential side from the number of second switching elements opened in circuit on low potential side, corresponding to the second motor group.</description><language>eng</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; 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 ; PERFORMING OPERATIONS ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>2021</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=20210923&DB=EPODOC&CC=US&NR=2021297016A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210923&DB=EPODOC&CC=US&NR=2021297016A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Takii, Takashi</creatorcontrib><title>MOTOR DRIVING APPARATUS</title><description>A motor driving apparatus includes a first motor group including a number N of individual servo motors, a second motor group including a number N of individual second servo motors driven synchronously with the servo motors, and an inverter control unit. The inverter control unit controls a first switching total value and a second switching total value to be reversed in positive/negative sign. The first switching total value is obtained by subtracting the number of semiconductor switching devices opened in circuit on low potential side from the number of semiconductor switching devices opened in circuit on first high potential side, corresponding to the first motor group. The second switching total value is obtained by subtracting the number of semiconductor switching devices opened in circuit on high potential side from the number of second switching elements opened in circuit on low potential side, corresponding to the second motor group.</description><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><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><subject>PERFORMING OPERATIONS</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>TRANSPORTING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBD39Q_xD1JwCfIM8_RzV3AMCHAMcgwJDeZhYE1LzClO5YXS3AzKbq4hzh66qQX58anFBYnJqXmpJfGhwUYGRoZGluYGhmaOhsbEqQIAYr8ggw</recordid><startdate>20210923</startdate><enddate>20210923</enddate><creator>Takii, Takashi</creator><scope>EVB</scope></search><sort><creationdate>20210923</creationdate><title>MOTOR DRIVING APPARATUS</title><author>Takii, Takashi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2021297016A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2021</creationdate><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><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><topic>PERFORMING OPERATIONS</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>TRANSPORTING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>Takii, Takashi</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Takii, Takashi</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MOTOR DRIVING APPARATUS</title><date>2021-09-23</date><risdate>2021</risdate><abstract>A motor driving apparatus includes a first motor group including a number N of individual servo motors, a second motor group including a number N of individual second servo motors driven synchronously with the servo motors, and an inverter control unit. The inverter control unit controls a first switching total value and a second switching total value to be reversed in positive/negative sign. The first switching total value is obtained by subtracting the number of semiconductor switching devices opened in circuit on low potential side from the number of semiconductor switching devices opened in circuit on first high potential side, corresponding to the first motor group. The second switching total value is obtained by subtracting the number of semiconductor switching devices opened in circuit on high potential side from the number of second switching elements opened in circuit on low potential side, corresponding to the second motor group.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | MOTOR DRIVING APPARATUS |
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