FR1155504A - Servo device - Google Patents

Servo device

Info

Publication number
FR1155504A
FR1155504A FR1155504DA FR1155504A FR 1155504 A FR1155504 A FR 1155504A FR 1155504D A FR1155504D A FR 1155504DA FR 1155504 A FR1155504 A FR 1155504A
Authority
FR
France
Prior art keywords
servo device
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.)
Expired
Application number
Other languages
French (fr)
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.)
Schlumberger Well Surveying Corp
Original Assignee
Schlumberger Well Surveying 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 Schlumberger Well Surveying Corp filed Critical Schlumberger Well Surveying Corp
Application granted granted Critical
Publication of FR1155504A publication Critical patent/FR1155504A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G05D3/1445Control of position or direction using feedback using an analogue comparing device with a plurality of loops
    • G05D3/1463Control of position or direction using feedback using an analogue comparing device with a plurality of loops using PID devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
FR1155504D 1955-09-22 1956-06-27 Servo device Expired FR1155504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1155504XA 1955-09-22 1955-09-22

Publications (1)

Publication Number Publication Date
FR1155504A true FR1155504A (en) 1958-05-05

Family

ID=22362098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1155504D Expired FR1155504A (en) 1955-09-22 1956-06-27 Servo device

Country Status (1)

Country Link
FR (1) FR1155504A (en)

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