JPH0318438B2 - - Google Patents

Info

Publication number
JPH0318438B2
JPH0318438B2 JP56000025A JP2581A JPH0318438B2 JP H0318438 B2 JPH0318438 B2 JP H0318438B2 JP 56000025 A JP56000025 A JP 56000025A JP 2581 A JP2581 A JP 2581A JP H0318438 B2 JPH0318438 B2 JP H0318438B2
Authority
JP
Japan
Prior art keywords
rotation speed
signals
data
pulse width
time
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.)
Expired - Lifetime
Application number
JP56000025A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57113786A (en
Inventor
Tsunehiro Endo
Fumio Tajima
Kunio Myashita
Shigeki Morinaga
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.)
Hitachi Ltd
Original Assignee
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
Priority to JP56000025A priority Critical patent/JPS57113786A/ja
Publication of JPS57113786A publication Critical patent/JPS57113786A/ja
Publication of JPH0318438B2 publication Critical patent/JPH0318438B2/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
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/08—Arrangements for controlling the speed or torque of a single motor
    • H02P6/085—Arrangements for controlling the speed or torque of a single motor in a bridge configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
JP56000025A 1981-01-05 1981-01-05 Control of number of turns of brushless motor Granted JPS57113786A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56000025A JPS57113786A (en) 1981-01-05 1981-01-05 Control of number of turns of brushless motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56000025A JPS57113786A (en) 1981-01-05 1981-01-05 Control of number of turns of brushless motor

Publications (2)

Publication Number Publication Date
JPS57113786A JPS57113786A (en) 1982-07-15
JPH0318438B2 true JPH0318438B2 (enExample) 1991-03-12

Family

ID=11462843

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56000025A Granted JPS57113786A (en) 1981-01-05 1981-01-05 Control of number of turns of brushless motor

Country Status (1)

Country Link
JP (1) JPS57113786A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59188385A (ja) * 1983-04-07 1984-10-25 Fanuc Ltd サ−ボ制御回路
US9138818B2 (en) 2010-08-16 2015-09-22 Emerson Electric Co. Systems and devices for performing powered threading operations
JP5749697B2 (ja) * 2012-08-29 2015-07-15 株式会社沖データ インパクトドットヘッド及び画像形成装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5354729A (en) * 1976-10-29 1978-05-18 Hitachi Ltd Control circuit of commutator-less motor
JPS5367938A (en) * 1976-11-29 1978-06-16 Hitachi Ltd Air conditioner with rotating speed control

Also Published As

Publication number Publication date
JPS57113786A (en) 1982-07-15

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