JPS5354728A - Motor speed controlling device - Google Patents

Motor speed controlling device

Info

Publication number
JPS5354728A
JPS5354728A JP12931076A JP12931076A JPS5354728A JP S5354728 A JPS5354728 A JP S5354728A JP 12931076 A JP12931076 A JP 12931076A JP 12931076 A JP12931076 A JP 12931076A JP S5354728 A JPS5354728 A JP S5354728A
Authority
JP
Japan
Prior art keywords
motor speed
controlling device
speed controlling
motor
irregularity
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
JP12931076A
Other languages
Japanese (ja)
Other versions
JPS5927189B2 (en
Inventor
Katsuo Mori
Kazumi Kuwabara
Kenichi Iizuka
Kazuo Onishi
Kiyoo Takeyasu
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 JP51129310A priority Critical patent/JPS5927189B2/en
Publication of JPS5354728A publication Critical patent/JPS5354728A/en
Publication of JPS5927189B2 publication Critical patent/JPS5927189B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

PURPOSE: To omit a revolution irregularity or a noise of a motor by synchronizing a chopping signal with a motor driving signal using a phase locking loop(PLL) circuit.
COPYRIGHT: (C)1978,JPO&Japio
JP51129310A 1976-10-29 1976-10-29 Motor speed control device Expired JPS5927189B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51129310A JPS5927189B2 (en) 1976-10-29 1976-10-29 Motor speed control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51129310A JPS5927189B2 (en) 1976-10-29 1976-10-29 Motor speed control device

Publications (2)

Publication Number Publication Date
JPS5354728A true JPS5354728A (en) 1978-05-18
JPS5927189B2 JPS5927189B2 (en) 1984-07-04

Family

ID=15006397

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51129310A Expired JPS5927189B2 (en) 1976-10-29 1976-10-29 Motor speed control device

Country Status (1)

Country Link
JP (1) JPS5927189B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57110089A (en) * 1980-11-10 1982-07-08 Japan Servo Co Ltd Speed control device for dc brushless motor
JPS57145586A (en) * 1981-02-28 1982-09-08 Mitsubishi Electric Corp Control device for motor
JPS5851791A (en) * 1981-09-19 1983-03-26 Victor Co Of Japan Ltd Dc brushless motor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57110089A (en) * 1980-11-10 1982-07-08 Japan Servo Co Ltd Speed control device for dc brushless motor
JPS57145586A (en) * 1981-02-28 1982-09-08 Mitsubishi Electric Corp Control device for motor
JPS5851791A (en) * 1981-09-19 1983-03-26 Victor Co Of Japan Ltd Dc brushless motor

Also Published As

Publication number Publication date
JPS5927189B2 (en) 1984-07-04

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