JPS5713997A - Servo device - Google Patents

Servo device

Info

Publication number
JPS5713997A
JPS5713997A JP8544980A JP8544980A JPS5713997A JP S5713997 A JPS5713997 A JP S5713997A JP 8544980 A JP8544980 A JP 8544980A JP 8544980 A JP8544980 A JP 8544980A JP S5713997 A JPS5713997 A JP S5713997A
Authority
JP
Japan
Prior art keywords
stepper motor
control
signal dms
closed loop
open loop
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
JP8544980A
Other languages
Japanese (ja)
Inventor
Hiroshi Ohashi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP8544980A priority Critical patent/JPS5713997A/en
Publication of JPS5713997A publication Critical patent/JPS5713997A/en
Pending 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
    • H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Stepping Motors (AREA)

Abstract

PURPOSE:To position a stepper motor at a high accuracy by performing a normal step turning control at the open loop drive control while an exciting force control is performed according to errors at the closed loop drive control. CONSTITUTION:A stepper motor 101 is controlled by a step pulse STP, a rotary direction indicating signal DCP and an action mode designation signal DMS given to a control driving circuit 104. When the signal DMS is in the open loop mode, based on the pulse STP, the stepper motor 101 steps by a fixed angle. When the signal DMs is in the closed loop mode, the detection output DP of a position detector 103 of a body to be driven 102, the balance is changed in the currents separately flowing through the windings of the first, second and third phases of the stepper motor 101 to finely adjust the position of the body 102. This can improve the positioning accuracy.
JP8544980A 1980-06-24 1980-06-24 Servo device Pending JPS5713997A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8544980A JPS5713997A (en) 1980-06-24 1980-06-24 Servo device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8544980A JPS5713997A (en) 1980-06-24 1980-06-24 Servo device

Publications (1)

Publication Number Publication Date
JPS5713997A true JPS5713997A (en) 1982-01-25

Family

ID=13859183

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8544980A Pending JPS5713997A (en) 1980-06-24 1980-06-24 Servo device

Country Status (1)

Country Link
JP (1) JPS5713997A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0226300A (en) * 1988-07-13 1990-01-29 Matsushita Electric Ind Co Ltd Position controller
EP0560251A2 (en) * 1992-03-10 1993-09-15 Wangtek, Inc. Stepper motor with vernier control mode

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0226300A (en) * 1988-07-13 1990-01-29 Matsushita Electric Ind Co Ltd Position controller
EP0560251A2 (en) * 1992-03-10 1993-09-15 Wangtek, Inc. Stepper motor with vernier control mode
EP0560251A3 (en) * 1992-03-10 1994-05-25 Wangtek Inc Stepper motor with vernier control mode

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