AU538755B2 - Pulse width modulated constant current servo driver - Google Patents

Pulse width modulated constant current servo driver

Info

Publication number
AU538755B2
AU538755B2 AU72902/81A AU7290281A AU538755B2 AU 538755 B2 AU538755 B2 AU 538755B2 AU 72902/81 A AU72902/81 A AU 72902/81A AU 7290281 A AU7290281 A AU 7290281A AU 538755 B2 AU538755 B2 AU 538755B2
Authority
AU
Australia
Prior art keywords
pulse width
constant current
width modulated
servo driver
current servo
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.)
Ceased
Application number
AU72902/81A
Other versions
AU7290281A (en
Inventor
W.L. Phelps
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor 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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Priority to AU72902/81A priority Critical patent/AU538755B2/en
Priority claimed from PCT/US1980/001751 external-priority patent/WO1982002236A1/en
Publication of AU7290281A publication Critical patent/AU7290281A/en
Application granted granted Critical
Publication of AU538755B2 publication Critical patent/AU538755B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G05D3/18—Control of position or direction using feedback using an analogue comparing device delivering a series of pulses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Position Or Direction (AREA)
AU72902/81A 1980-12-29 1980-12-29 Pulse width modulated constant current servo driver Ceased AU538755B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU72902/81A AU538755B2 (en) 1980-12-29 1980-12-29 Pulse width modulated constant current servo driver

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU72902/81A AU538755B2 (en) 1980-12-29 1980-12-29 Pulse width modulated constant current servo driver
PCT/US1980/001751 WO1982002236A1 (en) 1980-12-29 1980-12-29 Pulse width modulated constant current servo driver

Publications (2)

Publication Number Publication Date
AU7290281A AU7290281A (en) 1982-07-20
AU538755B2 true AU538755B2 (en) 1984-08-23

Family

ID=25637170

Family Applications (1)

Application Number Title Priority Date Filing Date
AU72902/81A Ceased AU538755B2 (en) 1980-12-29 1980-12-29 Pulse width modulated constant current servo driver

Country Status (1)

Country Link
AU (1) AU538755B2 (en)

Also Published As

Publication number Publication date
AU7290281A (en) 1982-07-20

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