GB1271351A - Numerically controlled positioning system - Google Patents

Numerically controlled positioning system

Info

Publication number
GB1271351A
GB1271351A GB106870A GB106870A GB1271351A GB 1271351 A GB1271351 A GB 1271351A GB 106870 A GB106870 A GB 106870A GB 106870 A GB106870 A GB 106870A GB 1271351 A GB1271351 A GB 1271351A
Authority
GB
United Kingdom
Prior art keywords
adder
counter
fed
gates
triggers
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
GB106870A
Inventor
Hendrik Bouman Geert
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1271351A publication Critical patent/GB1271351A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/662—Multiplexed conversion systems
    • 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—Programme-control systems
    • G05B19/02—Programme-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 programme 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 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
    • G05B19/33—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 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
    • G05B19/37—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 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
    • G05B19/371—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 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/665—Digital/analogue converters with intermediate conversion to phase of sinusoidal or similar periodical signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/82—Digital/analogue converters with intermediate conversion to time interval

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Theoretical Computer Science (AREA)
  • Numerical Control (AREA)
  • Control Of Position Or Direction (AREA)

Abstract

1,271,351. D to A converter. INTERNATIONAL BUSINESS MACHINES CORP. 9 Jan., 1970 [15 Jan., 1969], No. 1068/70. Heading G4H. In a machine tool positioning system digital information representing the desired movement is fed from registers 21-25 via gates 26-30, only one of which is open at a given time, to parallel adder 20. The count in counter 19, fed by oscillator 18, is also fed to adder 20. Gates 26-30, 36-40 and 41-45 act as a multiplexing unit, so that digital information relating to different processes is processed by a single adder and then distributed to different terminals. Delay units 52-56, fed from oscillator 18 via divider 51 ensure that gates 26-30, 36-40 and 41-45 operate in groups of three. The phase analogue is generated by triggers 31-35 in respect of a reference signal 62. The time within the cycle at which the triggers are set and a pulse produced is determined by the content of adder 20, which has a 3-bjt capacity, prior to the start of counting by counter 19. The pulse is started when the high order trigger of counter 19 becomes 1 and stopped when it becomes 0. The higher the digital count in 20 the earlier does the adder become filled by counts from counter 19.
GB106870A 1969-01-15 1970-01-09 Numerically controlled positioning system Expired GB1271351A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79141469A 1969-01-15 1969-01-15

Publications (1)

Publication Number Publication Date
GB1271351A true GB1271351A (en) 1972-04-19

Family

ID=25153640

Family Applications (1)

Application Number Title Priority Date Filing Date
GB106870A Expired GB1271351A (en) 1969-01-15 1970-01-09 Numerically controlled positioning system

Country Status (5)

Country Link
CA (1) CA944039A (en)
CH (1) CH499242A (en)
DE (1) DE2000882A1 (en)
FR (1) FR2028361A1 (en)
GB (1) GB1271351A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0371206A (en) * 1989-08-10 1991-03-27 Mitsubishi Electric Corp Device for correcting machine error of nc machine tool

Also Published As

Publication number Publication date
CH499242A (en) 1970-11-15
CA944039A (en) 1974-03-19
DE2000882A1 (en) 1970-08-06
FR2028361A1 (en) 1970-10-09

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