NL94804C - - Google Patents

Info

Publication number
NL94804C
NL94804C NL191635A NL191635A NL94804C NL 94804 C NL94804 C NL 94804C NL 191635 A NL191635 A NL 191635A NL 191635 A NL191635 A NL 191635A NL 94804 C NL94804 C NL 94804C
Authority
NL
Netherlands
Application number
NL191635A
Original Assignee
Emi 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 Emi Ltd filed Critical Emi Ltd
Application granted granted Critical
Publication of NL94804C publication Critical patent/NL94804C/xx

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66Digital/analogue converters
    • H03M1/74Simultaneous conversion
    • H03M1/80Simultaneous conversion using weighted impedances
    • 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
    • G05B19/37Numerical 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 continuous-path control
    • G05B19/371Numerical 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 continuous-path control the positional error is used to control continuously the servomotor according to its magnitude
    • 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
    • G05B19/41Numerical 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 interpolation, e.g. the computation of intermediate points between programmed end points to define the path to be followed and the rate of travel along that path
    • G05B19/4105Analog interpolation
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00Control of position or direction
    • G05D3/12Control of position or direction using feedback
    • G05D3/14Control of position or direction using feedback using an analogue comparing device
    • G05D3/1436Control of position or direction using feedback using an analogue comparing device with fine or coarse devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Computing Systems (AREA)
  • Control Of Position Or Direction (AREA)
  • Numerical Control (AREA)
NL191635A 1953-10-21 1954-10-19 NL94804C (en:Method)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB29126/53A GB797503A (en) 1953-10-21 1953-10-21 Improvements relating to automatic control systems especially for machine tools
GB337919X 1953-10-21
GB191153X 1953-11-19
GB81054X 1954-10-08

Publications (1)

Publication Number Publication Date
NL94804C true NL94804C (en:Method) 1960-07-15

Family

ID=27447630

Family Applications (1)

Application Number Title Priority Date Filing Date
NL191635A NL94804C (en:Method) 1953-10-21 1954-10-19

Country Status (4)

Country Link
US (1) US2808548A (en:Method)
CH (1) CH337919A (en:Method)
GB (1) GB797503A (en:Method)
NL (1) NL94804C (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2907938A (en) * 1957-04-11 1959-10-06 Gen Electric Position control system
US3064168A (en) * 1958-06-19 1962-11-13 Reeves Instrument Corp Digitally controlled coarse-fine positioning system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2630552A (en) * 1948-04-28 1953-03-03 Johnson Eric Arthur Data decoding system
US2630481A (en) * 1948-07-21 1953-03-03 Eric A Johnson Data transmission system
US2566831A (en) * 1949-02-01 1951-09-04 Rca Corp Electronic counter
GB670841A (en) * 1949-12-22 1952-04-23 Mini Of Supply Improvements in or relating to electric remote control systems
US2656497A (en) * 1950-02-10 1953-10-20 Collins Radio Co Shaft positioning system
US2643355A (en) * 1951-06-15 1953-06-23 Jr Ludlow B Hallman Computer for converting electrical code into shaft rotation

Also Published As

Publication number Publication date
GB797503A (en) 1958-07-02
US2808548A (en) 1957-10-01
CH337919A (de) 1959-04-30

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