FR1344066A - Système de commande asservi - Google Patents

Système de commande asservi

Info

Publication number
FR1344066A
FR1344066A FR921718A FR921718A FR1344066A FR 1344066 A FR1344066 A FR 1344066A FR 921718 A FR921718 A FR 921718A FR 921718 A FR921718 A FR 921718A FR 1344066 A FR1344066 A FR 1344066A
Authority
FR
France
Prior art keywords
control system
slaved control
slaved
control
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
FR921718A
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.)
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
Original Assignee
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
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 BBC Brown Boveri AG Switzerland, BBC Brown Boveri France SA filed Critical BBC Brown Boveri AG Switzerland
Priority to FR921718A priority Critical patent/FR1344066A/fr
Application granted granted Critical
Publication of FR1344066A publication Critical patent/FR1344066A/fr
Priority to GB205864A priority patent/GB1049926A/en
Expired 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
    • G05D3/1472—Control of position or direction using feedback using an analogue comparing device with potentiometer
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/18—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being specially adapted for operation under water

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Earth Drilling (AREA)
FR921718A 1963-01-17 1963-01-17 Système de commande asservi Expired FR1344066A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR921718A FR1344066A (fr) 1963-01-17 1963-01-17 Système de commande asservi
GB205864A GB1049926A (en) 1963-01-17 1964-01-16 Improvements in and relating to submarine coring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR921718A FR1344066A (fr) 1963-01-17 1963-01-17 Système de commande asservi

Publications (1)

Publication Number Publication Date
FR1344066A true FR1344066A (fr) 1963-11-22

Family

ID=8794905

Family Applications (1)

Application Number Title Priority Date Filing Date
FR921718A Expired FR1344066A (fr) 1963-01-17 1963-01-17 Système de commande asservi

Country Status (2)

Country Link
FR (1) FR1344066A (fr)
GB (1) GB1049926A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113530452B (zh) * 2021-08-25 2023-10-27 广州海洋地质调查局 一种用于海洋钻探的可收缩式钻头及钻具设备

Also Published As

Publication number Publication date
GB1049926A (en) 1966-11-30

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