MOTOR CONTROL DEVICE
PROBLEM TO BE SOLVED: To provide a motor control device for improving the accuracy of a torque estimation value.SOLUTION: A motor control device 101 includes: a current controller 1 for outputting a voltage command value on the basis of a current command value; and an estimator arithmetic part 102 f...
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| creator | HAISHI ATSUO TERABE RYOSUKE HARAKAWA MASAYA |
| description | PROBLEM TO BE SOLVED: To provide a motor control device for improving the accuracy of a torque estimation value.SOLUTION: A motor control device 101 includes: a current controller 1 for outputting a voltage command value on the basis of a current command value; and an estimator arithmetic part 102 for calculating a current estimation value and a motor speed estimation value from the voltage command value. The estimator arithmetic part includes: a high speed estimator arithmetic part 103 which operates at a high speed sampling rate to calculate the motor speed estimation value; and a low speed estimator arithmetic part 104 which operates at a low speed sampling rate to calculate a reaction torque estimation value. The high speed estimator arithmetic part includes: a motor electric model 2 for outputting a torque estimation value and a current estimation value from the voltage command value and the motor speed estimation value; a subtractor 31 for outputting a torque deviation on the basis of the torque estimation value and the reaction torque estimation value; and a speed arithmetic part 32 for outputting the motor speed estimation value from the torque deviation. The low speed estimator arithmetic part includes a mechanical model 4 for outputting the reaction torque estimation value from the motor speed estimation value.
【課題】トルク推定値の精度を改善したモータ制御装置を得ること。【解決手段】実施の形態のモータ制御装置１０１は、電流指令値に基づき電圧指令値を出力する電流制御器１と、電圧指令値から電流推定値およびモータ速度推定値を算出する推定器演算部１０２と、を有するモータ制御装置において、推定器演算部は、高速サンプリングレートで動作してモータ速度推定値を算出する高速推定器演算部１０３と、低速サンプリングレートで動作して反力トルク推定値を算出する低速推定器演算部１０４と、を備え、高速推定器演算部は、電圧指令値とモータ速度推定値からトルク推定値と電流推定値を出力するモータ電気モデル２と、トルク推定値と反力トルク推定値に基づいてトルク偏差を出力する減算器３１と、トルク偏差からモータ速度推定値を出力する速度演算器３２を備え、低速推定器演算部は、モータ速度推定値から反力トルク推定値を出力する機械モデル４を備える。【選択図】図１ |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_JP2014220938A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>JP2014220938A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_JP2014220938A3</originalsourceid><addsrcrecordid>eNrjZBDx9Q_xD1Jw9vcLCfL3UXBxDfN0duVhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGhiZGRgaWxhaOxkQpAgC4Ah8P</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>MOTOR CONTROL DEVICE</title><source>esp@cenet</source><creator>HAISHI ATSUO ; TERABE RYOSUKE ; HARAKAWA MASAYA</creator><creatorcontrib>HAISHI ATSUO ; TERABE RYOSUKE ; HARAKAWA MASAYA</creatorcontrib><description>PROBLEM TO BE SOLVED: To provide a motor control device for improving the accuracy of a torque estimation value.SOLUTION: A motor control device 101 includes: a current controller 1 for outputting a voltage command value on the basis of a current command value; and an estimator arithmetic part 102 for calculating a current estimation value and a motor speed estimation value from the voltage command value. The estimator arithmetic part includes: a high speed estimator arithmetic part 103 which operates at a high speed sampling rate to calculate the motor speed estimation value; and a low speed estimator arithmetic part 104 which operates at a low speed sampling rate to calculate a reaction torque estimation value. The high speed estimator arithmetic part includes: a motor electric model 2 for outputting a torque estimation value and a current estimation value from the voltage command value and the motor speed estimation value; a subtractor 31 for outputting a torque deviation on the basis of the torque estimation value and the reaction torque estimation value; and a speed arithmetic part 32 for outputting the motor speed estimation value from the torque deviation. The low speed estimator arithmetic part includes a mechanical model 4 for outputting the reaction torque estimation value from the motor speed estimation value.
【課題】トルク推定値の精度を改善したモータ制御装置を得ること。【解決手段】実施の形態のモータ制御装置１０１は、電流指令値に基づき電圧指令値を出力する電流制御器１と、電圧指令値から電流推定値およびモータ速度推定値を算出する推定器演算部１０２と、を有するモータ制御装置において、推定器演算部は、高速サンプリングレートで動作してモータ速度推定値を算出する高速推定器演算部１０３と、低速サンプリングレートで動作して反力トルク推定値を算出する低速推定器演算部１０４と、を備え、高速推定器演算部は、電圧指令値とモータ速度推定値からトルク推定値と電流推定値を出力するモータ電気モデル２と、トルク推定値と反力トルク推定値に基づいてトルク偏差を出力する減算器３１と、トルク偏差からモータ速度推定値を出力する速度演算器３２を備え、低速推定器演算部は、モータ速度推定値から反力トルク推定値を出力する機械モデル４を備える。【選択図】図１</description><language>eng ; jpn</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>2014</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=20141120&DB=EPODOC&CC=JP&NR=2014220938A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20141120&DB=EPODOC&CC=JP&NR=2014220938A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HAISHI ATSUO</creatorcontrib><creatorcontrib>TERABE RYOSUKE</creatorcontrib><creatorcontrib>HARAKAWA MASAYA</creatorcontrib><title>MOTOR CONTROL DEVICE</title><description>PROBLEM TO BE SOLVED: To provide a motor control device for improving the accuracy of a torque estimation value.SOLUTION: A motor control device 101 includes: a current controller 1 for outputting a voltage command value on the basis of a current command value; and an estimator arithmetic part 102 for calculating a current estimation value and a motor speed estimation value from the voltage command value. The estimator arithmetic part includes: a high speed estimator arithmetic part 103 which operates at a high speed sampling rate to calculate the motor speed estimation value; and a low speed estimator arithmetic part 104 which operates at a low speed sampling rate to calculate a reaction torque estimation value. The high speed estimator arithmetic part includes: a motor electric model 2 for outputting a torque estimation value and a current estimation value from the voltage command value and the motor speed estimation value; a subtractor 31 for outputting a torque deviation on the basis of the torque estimation value and the reaction torque estimation value; and a speed arithmetic part 32 for outputting the motor speed estimation value from the torque deviation. The low speed estimator arithmetic part includes a mechanical model 4 for outputting the reaction torque estimation value from the motor speed estimation value.
【課題】トルク推定値の精度を改善したモータ制御装置を得ること。【解決手段】実施の形態のモータ制御装置１０１は、電流指令値に基づき電圧指令値を出力する電流制御器１と、電圧指令値から電流推定値およびモータ速度推定値を算出する推定器演算部１０２と、を有するモータ制御装置において、推定器演算部は、高速サンプリングレートで動作してモータ速度推定値を算出する高速推定器演算部１０３と、低速サンプリングレートで動作して反力トルク推定値を算出する低速推定器演算部１０４と、を備え、高速推定器演算部は、電圧指令値とモータ速度推定値からトルク推定値と電流推定値を出力するモータ電気モデル２と、トルク推定値と反力トルク推定値に基づいてトルク偏差を出力する減算器３１と、トルク偏差からモータ速度推定値を出力する速度演算器３２を備え、低速推定器演算部は、モータ速度推定値から反力トルク推定値を出力する機械モデル４を備える。【選択図】図１</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>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBDx9Q_xD1Jw9vcLCfL3UXBxDfN0duVhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGhiZGRgaWxhaOxkQpAgC4Ah8P</recordid><startdate>20141120</startdate><enddate>20141120</enddate><creator>HAISHI ATSUO</creator><creator>TERABE RYOSUKE</creator><creator>HARAKAWA MASAYA</creator><scope>EVB</scope></search><sort><creationdate>20141120</creationdate><title>MOTOR CONTROL DEVICE</title><author>HAISHI ATSUO ; TERABE RYOSUKE ; HARAKAWA MASAYA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2014220938A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2014</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>HAISHI ATSUO</creatorcontrib><creatorcontrib>TERABE RYOSUKE</creatorcontrib><creatorcontrib>HARAKAWA MASAYA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HAISHI ATSUO</au><au>TERABE RYOSUKE</au><au>HARAKAWA MASAYA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MOTOR CONTROL DEVICE</title><date>2014-11-20</date><risdate>2014</risdate><abstract>PROBLEM TO BE SOLVED: To provide a motor control device for improving the accuracy of a torque estimation value.SOLUTION: A motor control device 101 includes: a current controller 1 for outputting a voltage command value on the basis of a current command value; and an estimator arithmetic part 102 for calculating a current estimation value and a motor speed estimation value from the voltage command value. The estimator arithmetic part includes: a high speed estimator arithmetic part 103 which operates at a high speed sampling rate to calculate the motor speed estimation value; and a low speed estimator arithmetic part 104 which operates at a low speed sampling rate to calculate a reaction torque estimation value. The high speed estimator arithmetic part includes: a motor electric model 2 for outputting a torque estimation value and a current estimation value from the voltage command value and the motor speed estimation value; a subtractor 31 for outputting a torque deviation on the basis of the torque estimation value and the reaction torque estimation value; and a speed arithmetic part 32 for outputting the motor speed estimation value from the torque deviation. The low speed estimator arithmetic part includes a mechanical model 4 for outputting the reaction torque estimation value from the motor speed estimation value.
【課題】トルク推定値の精度を改善したモータ制御装置を得ること。【解決手段】実施の形態のモータ制御装置１０１は、電流指令値に基づき電圧指令値を出力する電流制御器１と、電圧指令値から電流推定値およびモータ速度推定値を算出する推定器演算部１０２と、を有するモータ制御装置において、推定器演算部は、高速サンプリングレートで動作してモータ速度推定値を算出する高速推定器演算部１０３と、低速サンプリングレートで動作して反力トルク推定値を算出する低速推定器演算部１０４と、を備え、高速推定器演算部は、電圧指令値とモータ速度推定値からトルク推定値と電流推定値を出力するモータ電気モデル２と、トルク推定値と反力トルク推定値に基づいてトルク偏差を出力する減算器３１と、トルク偏差からモータ速度推定値を出力する速度演算器３２を備え、低速推定器演算部は、モータ速度推定値から反力トルク推定値を出力する機械モデル４を備える。【選択図】図１</abstract><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 CONTROL DEVICE |
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