GB910281A - Improvements relating to interpolating devices - Google Patents

Improvements relating to interpolating devices

Info

Publication number
GB910281A
GB910281A GB26458A GB26458A GB910281A GB 910281 A GB910281 A GB 910281A GB 26458 A GB26458 A GB 26458A GB 26458 A GB26458 A GB 26458A GB 910281 A GB910281 A GB 910281A
Authority
GB
United Kingdom
Prior art keywords
transformer
voltage
resistance
contacts
housed
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
GB26458A
Inventor
Sidney Clifton Ansell
Richard Herbert Booth
Rex Brown
Donald Peter Franklin
William Clifford Rayward
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries 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
Priority to NL234724D priority Critical patent/NL234724A/xx
Application filed by EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to GB26458A priority patent/GB910281A/en
Priority to GB2827962A priority patent/GB910282A/en
Publication of GB910281A publication Critical patent/GB910281A/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—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
    • G05B19/41—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 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
    • G05B19/4105—Analog interpolation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/30—Arrangements for performing computing operations, e.g. operational amplifiers for interpolation or extrapolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Automation & Control Theory (AREA)
  • Ac-Ac Conversion (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Control Of Electrical Variables (AREA)

Abstract

910,281. Regulating switches. ELECTRIC & MUSICAL INDUSTRIES Ltd. Dec. 23, 1958 [Jan. 3, 1958], No. 264/58. Class 38 (5). [Also in Groups XXXV and XXXVI] An interpolating device comprises a tapped voltage divider, Fig. 1, and a wiper therefor 2, 3 and a transformer 5, the secondary of which is shunted by a resistance 4 from which a second wiper 6 or 7 may derive an incremental voltage which is a variable fraction of the voltage between adjacent tappings on the main divider 1, the two dividers being energized by the same voltage. Odd and even contacts associated with the transformer are arranged in inner and outer concentric circles, with intermediate dummy contacts providing for a smooth wipe. The step-down ratio of transformer 5 is such that the potential across 180 degrees of the resistance 4 is equal to the voltage between adjacent taps. A resistance ribbon 4, Fig. 2, is wiped by brushes 21 carried on a disc 18 secured to a shaft 19, and the contacts 2, 3, mounted on a disc 12, are driven also by shaft 19 through two planetary gears 24, 25. A double choke 30 is housed within the autotransformer which is wound on a toroidal core at one end of the casing, one winding being connected to each end of the auto-transformer, and the second transformer 5 is housed at the remote end. The apparatus is said to be used to produce a feedback signal indicative of position in a servo-control system for the control of machine tools. Specifications 802,472 and 910,282 are referred to.
GB26458A 1958-01-03 1958-01-03 Improvements relating to interpolating devices Expired GB910281A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL234724D NL234724A (en) 1958-01-03
GB26458A GB910281A (en) 1958-01-03 1958-01-03 Improvements relating to interpolating devices
GB2827962A GB910282A (en) 1958-01-03 1958-01-03 Improvements relating to interpolating devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26458A GB910281A (en) 1958-01-03 1958-01-03 Improvements relating to interpolating devices

Publications (1)

Publication Number Publication Date
GB910281A true GB910281A (en) 1962-11-14

Family

ID=9701297

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2827962A Expired GB910282A (en) 1958-01-03 1958-01-03 Improvements relating to interpolating devices
GB26458A Expired GB910281A (en) 1958-01-03 1958-01-03 Improvements relating to interpolating devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB2827962A Expired GB910282A (en) 1958-01-03 1958-01-03 Improvements relating to interpolating devices

Country Status (2)

Country Link
GB (2) GB910282A (en)
NL (1) NL234724A (en)

Also Published As

Publication number Publication date
NL234724A (en)
GB910282A (en) 1962-11-14

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