JPS5788886A - Controller for servo motor - Google Patents

Controller for servo motor

Info

Publication number
JPS5788886A
JPS5788886A JP55162908A JP16290880A JPS5788886A JP S5788886 A JPS5788886 A JP S5788886A JP 55162908 A JP55162908 A JP 55162908A JP 16290880 A JP16290880 A JP 16290880A JP S5788886 A JPS5788886 A JP S5788886A
Authority
JP
Japan
Prior art keywords
hall
circuit
hall elements
motor
arithmetic
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.)
Granted
Application number
JP55162908A
Other languages
Japanese (ja)
Other versions
JPS6156717B2 (en
Inventor
Toyokazu Inoue
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.)
Brother Industries Ltd
Original Assignee
Brother Industries 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 Brother Industries Ltd filed Critical Brother Industries Ltd
Priority to JP55162908A priority Critical patent/JPS5788886A/en
Publication of JPS5788886A publication Critical patent/JPS5788886A/en
Publication of JPS6156717B2 publication Critical patent/JPS6156717B2/ja
Granted 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
    • H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
    • H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
    • H02P5/52—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another additionally providing control of relative angular displacement

Abstract

PURPOSE:To obtain a controller for a servo motor omitting a multiplying circuit of an arithmetic circuit by employing Hall elements as sinusoidal output encoder. CONSTITUTION:When the second DC motor 14 is rotated by the second driver circuit 17, a magnet in a position detector 19 rotates, the predetermined current from the Hall current supply circuit 16 is supplied thereto, thereby producing sinusoidal Hall voltages from the third and fourth Hall elements displaced at 90 deg. with respect to each other. A sinusoidal wave current converter 10 converts the Hall voltage to a current, thereby supplying it to the first and second Hall elements displaced at 90 deg. of the position detector 3. The Hall voltages from the first and second Hall elements are added or subtracted by an arithmetic unti 11, and issupplied to the driver circuit 12 of the first DC motor 1. In this manner, the multiplying function of the arithmetic circuit 11 can be omitted.
JP55162908A 1980-11-19 1980-11-19 Controller for servo motor Granted JPS5788886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55162908A JPS5788886A (en) 1980-11-19 1980-11-19 Controller for servo motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55162908A JPS5788886A (en) 1980-11-19 1980-11-19 Controller for servo motor

Publications (2)

Publication Number Publication Date
JPS5788886A true JPS5788886A (en) 1982-06-02
JPS6156717B2 JPS6156717B2 (en) 1986-12-03

Family

ID=15763508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55162908A Granted JPS5788886A (en) 1980-11-19 1980-11-19 Controller for servo motor

Country Status (1)

Country Link
JP (1) JPS5788886A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730150A (en) * 1985-08-20 1988-03-08 Woo Y. Choi D.C. multi-phase bi-polar brushless motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730150A (en) * 1985-08-20 1988-03-08 Woo Y. Choi D.C. multi-phase bi-polar brushless motor

Also Published As

Publication number Publication date
JPS6156717B2 (en) 1986-12-03

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