JPS5686082A - Stopping device for motor at fixed position - Google Patents

Stopping device for motor at fixed position

Info

Publication number
JPS5686082A
JPS5686082A JP16188879A JP16188879A JPS5686082A JP S5686082 A JPS5686082 A JP S5686082A JP 16188879 A JP16188879 A JP 16188879A JP 16188879 A JP16188879 A JP 16188879A JP S5686082 A JPS5686082 A JP S5686082A
Authority
JP
Japan
Prior art keywords
motor
reverse
phase braking
position detection
driving
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
JP16188879A
Other languages
Japanese (ja)
Other versions
JPS631838B2 (en
Inventor
Kunio Hirota
Masayuki Yamashita
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 JP16188879A priority Critical patent/JPS5686082A/en
Publication of JPS5686082A publication Critical patent/JPS5686082A/en
Publication of JPS631838B2 publication Critical patent/JPS631838B2/ja
Granted legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/22—Devices for stopping drive when sewing tools have reached a predetermined position

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Stopping Of Electric Motors (AREA)

Abstract

PURPOSE:To eliminate the divergence of the position of stoppage due to the fluctuation of a rotary speed by controlling the driving and reverse-phase braking in accordance with the 1st and 2nd position detection signals and by adjusting the starting time of reverse-phase braking by means of a timer. CONSTITUTION:A control device 38 formed of a microcomputer is provided in a control circuit driving a sewing machine and the like and signals from a speed instructing voltage generating circuit 31 and an under-needle position detecting sensor 36, etc. are inputted in the device, whereby a motor M is driven. And, the 1st and 2nd position detection signals are taken out from the sensor and the driving current of the motor M is made ineffective on one hand, while the reverse-phase braking is made effective on the other, and further the reverse-phase braking is made ineffective by the timer means in the control device 38. Accordingly, when there is any fluctuation in the rotational speed of the motor M, the fall time of the position detection signal changes, thereby the start of the reverse-phase braking can be adjusted and thus the motor can be stopped constantly at the prescribed rotational position.
JP16188879A 1979-12-13 1979-12-13 Stopping device for motor at fixed position Granted JPS5686082A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16188879A JPS5686082A (en) 1979-12-13 1979-12-13 Stopping device for motor at fixed position

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16188879A JPS5686082A (en) 1979-12-13 1979-12-13 Stopping device for motor at fixed position

Publications (2)

Publication Number Publication Date
JPS5686082A true JPS5686082A (en) 1981-07-13
JPS631838B2 JPS631838B2 (en) 1988-01-14

Family

ID=15743894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16188879A Granted JPS5686082A (en) 1979-12-13 1979-12-13 Stopping device for motor at fixed position

Country Status (1)

Country Link
JP (1) JPS5686082A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5957693A (en) * 1982-09-27 1984-04-03 松下電器産業株式会社 Apparatus for setting speed of sewing machine
JPS605191A (en) * 1983-06-24 1985-01-11 松下電器産業株式会社 Apparatus for stopping sewing machine needle at constant position
DE3447419A1 (en) * 1984-12-24 1986-06-26 Schoppe & Faeser Gmbh, 4950 Minden Method for limit-position disconnection of actuating drives
JPH02211080A (en) * 1989-12-15 1990-08-22 Fuji Xerox Co Ltd Method of controlling speed

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5957693A (en) * 1982-09-27 1984-04-03 松下電器産業株式会社 Apparatus for setting speed of sewing machine
JPS6366552B2 (en) * 1982-09-27 1988-12-21 Matsushita Electric Ind Co Ltd
JPS605191A (en) * 1983-06-24 1985-01-11 松下電器産業株式会社 Apparatus for stopping sewing machine needle at constant position
JPH0532078B2 (en) * 1983-06-24 1993-05-14 Matsushita Electric Ind Co Ltd
DE3447419A1 (en) * 1984-12-24 1986-06-26 Schoppe & Faeser Gmbh, 4950 Minden Method for limit-position disconnection of actuating drives
JPH02211080A (en) * 1989-12-15 1990-08-22 Fuji Xerox Co Ltd Method of controlling speed

Also Published As

Publication number Publication date
JPS631838B2 (en) 1988-01-14

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