ESCALATOR CONTROL DEVICE USING PERMANENT-MAGNETTYPE SYNCHRONOUS MOTOR
PROBLEM TO BE SOLVED: To start a motor without any magnetic pole sensor and control an adequate rotor angle synchronous with a magnetic pole position of a rotor, by providing a device for detecting synchronousness of rotation speed of a rotor with speed command from a speed control system after moto...
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| creator | NIHEI HIDEKI NOKITA AKIHIRO NAGASE HIROSHI SUZUKI YASUTAKA ANDO TAKEYOSHI |
| description | PROBLEM TO BE SOLVED: To start a motor without any magnetic pole sensor and control an adequate rotor angle synchronous with a magnetic pole position of a rotor, by providing a device for detecting synchronousness of rotation speed of a rotor with speed command from a speed control system after motor starting and a means for correcting the rotor angle to an adequate magnetic pole position. SOLUTION: A pulse signal from a rotation position detector 2 of a motor 1 is converted to a rotation speed by a rotation position speed converter 13, and a speed control device 6 outputs torque command based on a deviation between a speed command from a speed command device 11 and a speed feed- back value from the rotation position speed converter 13. A torque command current command converter 5 converts the torque command to a current command. A current control device 4 controls so that actual current is flowed according to the command based on each output from a rotor angle calculating means 7, a rotor angle correcting device 8, and a current detector 10. An inverter 3 performs PWM control according to a voltage command signal, and controls output voltage and output frequency of the inverter 3. |
| format | Patent |
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SOLUTION: A pulse signal from a rotation position detector 2 of a motor 1 is converted to a rotation speed by a rotation position speed converter 13, and a speed control device 6 outputs torque command based on a deviation between a speed command from a speed command device 11 and a speed feed- back value from the rotation position speed converter 13. A torque command current command converter 5 converts the torque command to a current command. A current control device 4 controls so that actual current is flowed according to the command based on each output from a rotor angle calculating means 7, a rotor angle correcting device 8, and a current detector 10. An inverter 3 performs PWM control according to a voltage command signal, and controls output voltage and output frequency of the inverter 3.</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 ; ELEVATORS ; ESCALATORS OR MOVING WALKWAYS ; GENERATION ; HAULING ; HOISTING ; LIFTING ; PERFORMING OPERATIONS ; TRANSPORTING</subject><creationdate>2000</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=20000222&DB=EPODOC&CC=JP&NR=2000053358A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000222&DB=EPODOC&CC=JP&NR=2000053358A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NIHEI HIDEKI</creatorcontrib><creatorcontrib>NOKITA AKIHIRO</creatorcontrib><creatorcontrib>NAGASE HIROSHI</creatorcontrib><creatorcontrib>SUZUKI YASUTAKA</creatorcontrib><creatorcontrib>ANDO TAKEYOSHI</creatorcontrib><title>ESCALATOR CONTROL DEVICE USING PERMANENT-MAGNETTYPE SYNCHRONOUS MOTOR</title><description>PROBLEM TO BE SOLVED: To start a motor without any magnetic pole sensor and control an adequate rotor angle synchronous with a magnetic pole position of a rotor, by providing a device for detecting synchronousness of rotation speed of a rotor with speed command from a speed control system after motor starting and a means for correcting the rotor angle to an adequate magnetic pole position. SOLUTION: A pulse signal from a rotation position detector 2 of a motor 1 is converted to a rotation speed by a rotation position speed converter 13, and a speed control device 6 outputs torque command based on a deviation between a speed command from a speed command device 11 and a speed feed- back value from the rotation position speed converter 13. A torque command current command converter 5 converts the torque command to a current command. A current control device 4 controls so that actual current is flowed according to the command based on each output from a rotor angle calculating means 7, a rotor angle correcting device 8, and a current detector 10. 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SOLUTION: A pulse signal from a rotation position detector 2 of a motor 1 is converted to a rotation speed by a rotation position speed converter 13, and a speed control device 6 outputs torque command based on a deviation between a speed command from a speed command device 11 and a speed feed- back value from the rotation position speed converter 13. A torque command current command converter 5 converts the torque command to a current command. A current control device 4 controls so that actual current is flowed according to the command based on each output from a rotor angle calculating means 7, a rotor angle correcting device 8, and a current detector 10. An inverter 3 performs PWM control according to a voltage command signal, and controls output voltage and output frequency of the inverter 3.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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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 ELEVATORS ESCALATORS OR MOVING WALKWAYS GENERATION HAULING HOISTING LIFTING PERFORMING OPERATIONS TRANSPORTING |
| title | ESCALATOR CONTROL DEVICE USING PERMANENT-MAGNETTYPE SYNCHRONOUS MOTOR |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-30T10%3A06%3A12IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=NIHEI%20HIDEKI&rft.date=2000-02-22&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJP2000053358A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |