US20070132423A1 - Position detecting device and synchronous motor driving device using the same - Google Patents

Position detecting device and synchronous motor driving device using the same Download PDF

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Publication number
US20070132423A1
US20070132423A1 US11/636,593 US63659306A US2007132423A1 US 20070132423 A1 US20070132423 A1 US 20070132423A1 US 63659306 A US63659306 A US 63659306A US 2007132423 A1 US2007132423 A1 US 2007132423A1
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US
United States
Prior art keywords
signal
phase
sensor
error
detecting device
Prior art date
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Abandoned
Application number
US11/636,593
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English (en)
Inventor
Toshiyuki Ajima
Hideki Miyazaki
Masataka Sasaki
Bunji Furuyama
Tokihito Suwa
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Hitachi Ltd
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Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Assigned to HITACHI, LTD. reassignment HITACHI, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FURUYAMA, BUNJI, SUWA, TOKIHITO, AJIMA, TOSHIYUKI, MIYAZAKI, HIDEKI, SASAKI, MASATAKA
Publication of US20070132423A1 publication Critical patent/US20070132423A1/en
Priority to US12/610,397 priority Critical patent/US7746023B2/en
Abandoned legal-status Critical Current

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    • 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
    • H02P6/10—Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/204—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
    • G01D5/2046—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by a movable ferromagnetic element, e.g. a core
    • 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
    • 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
    • H02P2209/00—Indexing scheme relating to controlling arrangements characterised by the waveform of the supplied voltage or current
    • H02P2209/07—Trapezoidal waveform
US11/636,593 2005-12-12 2006-12-11 Position detecting device and synchronous motor driving device using the same Abandoned US20070132423A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/610,397 US7746023B2 (en) 2005-12-12 2009-11-02 Position detecting device and synchronous motor driving device using the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005357695A JP4708992B2 (ja) 2005-12-12 2005-12-12 位置検出装置及びこれを用いた同期モータ駆動装置
JP2005-357695 2005-12-12

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/610,397 Continuation US7746023B2 (en) 2005-12-12 2009-11-02 Position detecting device and synchronous motor driving device using the same

Publications (1)

Publication Number Publication Date
US20070132423A1 true US20070132423A1 (en) 2007-06-14

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US11/636,593 Abandoned US20070132423A1 (en) 2005-12-12 2006-12-11 Position detecting device and synchronous motor driving device using the same
US12/610,397 Expired - Fee Related US7746023B2 (en) 2005-12-12 2009-11-02 Position detecting device and synchronous motor driving device using the same

Family Applications After (1)

Application Number Title Priority Date Filing Date
US12/610,397 Expired - Fee Related US7746023B2 (en) 2005-12-12 2009-11-02 Position detecting device and synchronous motor driving device using the same

Country Status (4)

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US (2) US20070132423A1 (ja)
EP (1) EP1796257B1 (ja)
JP (1) JP4708992B2 (ja)
DE (1) DE602006006139D1 (ja)

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