JPS56132612A - Digital positioning controller - Google Patents

Digital positioning controller

Info

Publication number
JPS56132612A
JPS56132612A JP16326679A JP16326679A JPS56132612A JP S56132612 A JPS56132612 A JP S56132612A JP 16326679 A JP16326679 A JP 16326679A JP 16326679 A JP16326679 A JP 16326679A JP S56132612 A JPS56132612 A JP S56132612A
Authority
JP
Japan
Prior art keywords
motor
signal
circuit
control
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.)
Granted
Application number
JP16326679A
Other languages
Japanese (ja)
Other versions
JPS6255161B2 (en
Inventor
Hiroshi Inada
Tadashi Nomura
Kiyoaki Nishikawa
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP16326679A priority Critical patent/JPS56132612A/en
Priority to DE8080301369T priority patent/DE3063844D1/en
Priority to EP80301369A priority patent/EP0020024B1/en
Priority to US06/144,131 priority patent/US4313074A/en
Publication of JPS56132612A publication Critical patent/JPS56132612A/en
Publication of JPS6255161B2 publication Critical patent/JPS6255161B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/20—Control of position or direction using feedback using a digital comparing device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Position Or Direction (AREA)

Abstract

PURPOSE:To exercise positioning control stable against noises by using an incremental INC position signal for speed detection and a digital absolute position signal, which is in proportion to even the position of a motor, for position control by the carriage feed mechanism of an impact type serial printer. CONSTITUTION:In the serial printer, movement distance signal 4c and direction designating signal 4b from external controller 4 are set in positioning control circuit 1 with set signal 4a to control motor 3. Circuit 1 sends couples of 90 deg. out-of-phase sine-wave driving signals 1a and 1b, and 1f and 1g equal in amplitude to position detector 2 connected mechanically to motor 3. Detector 2 detects position detection signals 2a and 2b, proportional to the extent of movement of the motor, and feeds them back to circuit 1. Circuit 1 generates an INC position signal until a position at a certain distance from the target position of the motor to control the moving speed of motor 3 and positions motor 3 at the target position with the absolute position signal between the said position and the target position to drive carriage 8 to the desired position via pulleys 5 and 6.
JP16326679A 1979-04-27 1979-12-14 Digital positioning controller Granted JPS56132612A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP16326679A JPS56132612A (en) 1979-12-14 1979-12-14 Digital positioning controller
DE8080301369T DE3063844D1 (en) 1979-04-27 1980-04-25 Servo control system operable on digital basis
EP80301369A EP0020024B1 (en) 1979-04-27 1980-04-25 Servo control system operable on digital basis
US06/144,131 US4313074A (en) 1979-04-27 1980-04-28 Servo control system operable on digital basis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16326679A JPS56132612A (en) 1979-12-14 1979-12-14 Digital positioning controller

Publications (2)

Publication Number Publication Date
JPS56132612A true JPS56132612A (en) 1981-10-17
JPS6255161B2 JPS6255161B2 (en) 1987-11-18

Family

ID=15770531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16326679A Granted JPS56132612A (en) 1979-04-27 1979-12-14 Digital positioning controller

Country Status (1)

Country Link
JP (1) JPS56132612A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988003282A1 (en) * 1986-10-29 1988-05-05 Fanuc Ltd Negative feedback control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988003282A1 (en) * 1986-10-29 1988-05-05 Fanuc Ltd Negative feedback control system

Also Published As

Publication number Publication date
JPS6255161B2 (en) 1987-11-18

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