GB1593140A - Position indicating apparatus - Google Patents

Position indicating apparatus Download PDF

Info

Publication number
GB1593140A
GB1593140A GB5049/78A GB504978A GB1593140A GB 1593140 A GB1593140 A GB 1593140A GB 5049/78 A GB5049/78 A GB 5049/78A GB 504978 A GB504978 A GB 504978A GB 1593140 A GB1593140 A GB 1593140A
Authority
GB
United Kingdom
Prior art keywords
counter
retard
advance
count
phase
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
GB5049/78A
Other languages
English (en)
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1593140A publication Critical patent/GB1593140A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/18Numerical 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 programme data in numerical form
    • G05B19/19Numerical 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 programme 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
    • G05B19/33Numerical 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 programme 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 analogue measuring device
    • G05B19/35Numerical 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 programme 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 analogue measuring device for point-to-point control
    • G05B19/351Numerical 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 programme 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 analogue measuring device for point-to-point control the positional error is used to control continuously the servomotor according to its magnitude
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/243Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the phase or frequency of AC
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/68Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using pulse rate multipliers or dividers pulse rate multipliers or dividers per se
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12Analogue/digital converters
    • H03M1/48Servo-type converters
    • H03M1/485Servo-type converters for position encoding, e.g. using resolvers or synchros
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/33Director till display
    • G05B2219/33256Resolver to digital conversion
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/41Servomotor, servo controller till figures
    • G05B2219/41461Phase counter and phase discriminator, phase locked motion

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Manufacturing & Machinery (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Control Of Position Or Direction (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Control Of Electric Motors In General (AREA)
  • Analogue/Digital Conversion (AREA)
  • Control Of Velocity Or Acceleration (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Ac Motors In General (AREA)
GB5049/78A 1977-02-18 1978-02-08 Position indicating apparatus Expired GB1593140A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77015777A 1977-02-18 1977-02-18

Publications (1)

Publication Number Publication Date
GB1593140A true GB1593140A (en) 1981-07-15

Family

ID=25087654

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5049/78A Expired GB1593140A (en) 1977-02-18 1978-02-08 Position indicating apparatus

Country Status (7)

Country Link
JP (1) JPS53102786A (enrdf_load_stackoverflow)
BE (1) BE864080A (enrdf_load_stackoverflow)
CA (1) CA1125918A (enrdf_load_stackoverflow)
DE (1) DE2806889A1 (enrdf_load_stackoverflow)
FR (1) FR2381419A1 (enrdf_load_stackoverflow)
GB (1) GB1593140A (enrdf_load_stackoverflow)
IT (1) IT1104427B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527120A (en) * 1980-08-06 1985-07-02 Tokyo Shibaura Denki Kabushiki Kaisha System for converting mechanical movement to a digital signal
RU2222778C2 (ru) * 2002-02-06 2004-01-27 Закрытое акционерное общество завод "Измерон" Фотоэлектрический инкрементный растровый преобразователь

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3063844D1 (en) * 1979-04-27 1983-07-28 Nec Corp Servo control system operable on digital basis
WO2021151846A1 (en) 2020-01-29 2021-08-05 Merck Patent Gmbh Method for adjustment of alignment of liquid crystals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3851721A (en) * 1973-03-29 1974-12-03 Caterpillar Tractor Co Supplemental fluid supply

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527120A (en) * 1980-08-06 1985-07-02 Tokyo Shibaura Denki Kabushiki Kaisha System for converting mechanical movement to a digital signal
RU2222778C2 (ru) * 2002-02-06 2004-01-27 Закрытое акционерное общество завод "Измерон" Фотоэлектрический инкрементный растровый преобразователь

Also Published As

Publication number Publication date
JPS53102786A (en) 1978-09-07
IT1104427B (it) 1985-10-21
FR2381419A1 (fr) 1978-09-15
IT7841525A0 (it) 1978-02-17
JPS6232809B2 (enrdf_load_stackoverflow) 1987-07-16
DE2806889A1 (de) 1978-08-24
BE864080A (fr) 1978-08-17
CA1125918A (en) 1982-06-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee