CA1128986A - Digital servo anti-hunt circuit - Google Patents

Digital servo anti-hunt circuit

Info

Publication number
CA1128986A
CA1128986A CA335,598A CA335598A CA1128986A CA 1128986 A CA1128986 A CA 1128986A CA 335598 A CA335598 A CA 335598A CA 1128986 A CA1128986 A CA 1128986A
Authority
CA
Canada
Prior art keywords
motor
count
digital
converter
pulses
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.)
Expired
Application number
CA335,598A
Other languages
English (en)
French (fr)
Inventor
Martin K. Mason
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of CA1128986A publication Critical patent/CA1128986A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form
    • G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
    • G05B19/21—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device
    • G05B19/23—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device for point-to-point control
    • G05B19/231—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device for point-to-point control the positional error is used to control continuously the servomotor according to its magnitude
    • G05B19/232—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device for point-to-point control the positional error is used to control continuously the servomotor according to its magnitude with speed feedback only
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/41—Servomotor, servo controller till figures
    • G05B2219/41244—Dead band, zone
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/41—Servomotor, servo controller till figures
    • G05B2219/41251—Servo with spring, resilient, elastic element, twist
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/42—Servomotor, servo controller kind till VSS
    • G05B2219/42213—Position overshoot, axis still moves after stop
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/50—Machine tool, machine tool null till machine tool work handling
    • G05B2219/50044—For speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Position Or Direction (AREA)
  • Stopping Of Electric Motors (AREA)
CA335,598A 1978-10-10 1979-09-13 Digital servo anti-hunt circuit Expired CA1128986A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US949,486 1978-10-10
US05/949,486 US4214193A (en) 1978-10-10 1978-10-10 Digital servo anti-hunt circuit

Publications (1)

Publication Number Publication Date
CA1128986A true CA1128986A (en) 1982-08-03

Family

ID=25489169

Family Applications (1)

Application Number Title Priority Date Filing Date
CA335,598A Expired CA1128986A (en) 1978-10-10 1979-09-13 Digital servo anti-hunt circuit

Country Status (3)

Country Link
US (1) US4214193A (https=)
JP (1) JPS5553193A (https=)
CA (1) CA1128986A (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4639884A (en) * 1984-03-05 1987-01-27 Berkeley Process Control, Inc. Method and apparatus for measuring velocity and position in servo systems
DE3530271A1 (de) * 1985-08-24 1987-02-26 Festo Kg Durch eine impulsfolge steuerbarer antrieb
WO1988001763A1 (en) * 1986-09-04 1988-03-10 North Atlantic Industries, Inc. Servo-system
JPH02121709U (https=) * 1989-03-20 1990-10-03
US5543696A (en) * 1992-12-10 1996-08-06 Alliedsignal Inc. Position control for hybrid servomechanisms
JP5860630B2 (ja) * 2011-08-10 2016-02-16 日本航空電子工業株式会社 モータ制御装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49105077A (https=) * 1973-02-14 1974-10-04
US3995208A (en) * 1975-04-25 1976-11-30 Parr Robert L Control circuit
US4051423A (en) * 1976-02-10 1977-09-27 Sperry Rand Corporation Servo system with feedback signal compensation
US4096426A (en) * 1976-08-09 1978-06-20 Sperry Rand Corporation Non-linear error signal attenuator for servo system
US4139811A (en) * 1976-10-26 1979-02-13 Xerox Corporation Method and means for increasing the stiffness of limited frequency servo systems

Also Published As

Publication number Publication date
JPS5553193A (en) 1980-04-18
US4214193A (en) 1980-07-22
JPS6223556B2 (https=) 1987-05-23

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Legal Events

Date Code Title Description
MKEX Expiry