JPS6455090A - Controlling device - Google Patents

Controlling device

Info

Publication number
JPS6455090A
JPS6455090A JP63089867A JP8986788A JPS6455090A JP S6455090 A JPS6455090 A JP S6455090A JP 63089867 A JP63089867 A JP 63089867A JP 8986788 A JP8986788 A JP 8986788A JP S6455090 A JPS6455090 A JP S6455090A
Authority
JP
Japan
Prior art keywords
rotating
compensator
speed
position detecting
detector
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.)
Pending
Application number
JP63089867A
Other languages
Japanese (ja)
Inventor
Makoto Goto
Eiji Ueda
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP63089867A priority Critical patent/JPS6455090A/en
Publication of JPS6455090A publication Critical patent/JPS6455090A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE:To reduce the fluctuation of the amount of state, by a method wherein the rotating position of a rotating body is detected by a rotating position detecting means upon the transition of the renewal operation of a stored value reserving means while the digital stored value of the reserving means, which is corresponding to the rotating position, is renewed and reserved. CONSTITUTION:A 3-phase brushless motor 1 for a video recorder drives directly the rotations of a rotating sensor 2 and a load 10. 3-phase position detecting signals h1-h3 are obtained by 3 sets of position detecting elements and an AC signal (a), accompanied by the rotation of the rotation sensor 2, is generated and inputted into a compensator 4 through a speed detector 3 and the like. The compensator 4 is constituted of an operator 5, a memory 6, a D/A converter 7 and a rotating position detector 8 and operates the digital signal (b) of the speed detector 3 to output a control signal (c). A speed control system is constituted of said motor 1, the rotation sensor 2, the speed detector 3, the compensator 4 and a driver 9 and the rotating speed may be controlled at a predetermined value.
JP63089867A 1987-04-16 1988-04-12 Controlling device Pending JPS6455090A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63089867A JPS6455090A (en) 1987-04-16 1988-04-12 Controlling device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9360787 1987-04-16
JP63089867A JPS6455090A (en) 1987-04-16 1988-04-12 Controlling device

Publications (1)

Publication Number Publication Date
JPS6455090A true JPS6455090A (en) 1989-03-02

Family

ID=26431266

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63089867A Pending JPS6455090A (en) 1987-04-16 1988-04-12 Controlling device

Country Status (1)

Country Link
JP (1) JPS6455090A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0340778A (en) * 1989-07-07 1991-02-21 Matsushita Electric Ind Co Ltd Speed controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0340778A (en) * 1989-07-07 1991-02-21 Matsushita Electric Ind Co Ltd Speed controller

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