WO2003084050A1 - Sensorless controller of ac motor and control method - Google Patents

Sensorless controller of ac motor and control method Download PDF

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Publication number
WO2003084050A1
WO2003084050A1 PCT/JP2003/003741 JP0303741W WO03084050A1 WO 2003084050 A1 WO2003084050 A1 WO 2003084050A1 JP 0303741 W JP0303741 W JP 0303741W WO 03084050 A1 WO03084050 A1 WO 03084050A1
Authority
WO
WIPO (PCT)
Prior art keywords
speed
frequency
magnetic flux
adaptive adjuster
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2003/003741
Other languages
English (en)
French (fr)
Inventor
Jung-Ik Ha
Kozo Ide
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yaskawa Electric Corp
Original Assignee
Yaskawa Electric Corp
Yaskawa Electric Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yaskawa Electric Corp, Yaskawa Electric Manufacturing Co Ltd filed Critical Yaskawa Electric Corp
Priority to US10/509,957 priority Critical patent/US7045988B2/en
Priority to EP20030715432 priority patent/EP1492224A1/en
Publication of WO2003084050A1 publication Critical patent/WO2003084050A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
    • H02P21/14—Estimation or adaptation of machine parameters, e.g. flux, current or voltage
    • H02P21/141—Flux estimation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
    • H02P21/04—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation specially adapted for very low speeds
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14—Electronic commutators
    • H02P6/16—Circuit arrangements for detecting position
    • H02P6/18—Circuit arrangements for detecting position without separate position detecting elements
    • H02P6/183—Circuit arrangements for detecting position without separate position detecting elements using an injected high frequency signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Electric Motors In General (AREA)
PCT/JP2003/003741 2002-04-02 2003-03-26 Sensorless controller of ac motor and control method Ceased WO2003084050A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/509,957 US7045988B2 (en) 2002-04-02 2003-03-26 Sensorless controller of AC motor and control method
EP20030715432 EP1492224A1 (en) 2002-04-02 2003-03-26 Sensorless controller of ac motor and control method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002100259A JP4370754B2 (ja) 2002-04-02 2002-04-02 交流電動機のセンサレス制御装置および制御方法
JP2002-100259 2002-04-02

Publications (1)

Publication Number Publication Date
WO2003084050A1 true WO2003084050A1 (en) 2003-10-09

Family

ID=28672031

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/003741 Ceased WO2003084050A1 (en) 2002-04-02 2003-03-26 Sensorless controller of ac motor and control method

Country Status (6)

Country Link
US (1) US7045988B2 (ja)
EP (1) EP1492224A1 (ja)
JP (1) JP4370754B2 (ja)
CN (1) CN1322667C (ja)
TW (1) TW200306059A (ja)
WO (1) WO2003084050A1 (ja)

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CN1322667C (zh) 2007-06-20
EP1492224A1 (en) 2004-12-29
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TW200306059A (en) 2003-11-01
CN1647359A (zh) 2005-07-27

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