CA996217A - Central digital processing control - Google Patents

Central digital processing control

Info

Publication number
CA996217A
CA996217A CA138,241A CA138241A CA996217A CA 996217 A CA996217 A CA 996217A CA 138241 A CA138241 A CA 138241A CA 996217 A CA996217 A CA 996217A
Authority
CA
Canada
Prior art keywords
digital processing
processing control
central digital
central
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
CA138,241A
Other versions
CA138241S (en
Inventor
Klaas Spaargaren
Johannes E. Rijnsdorp
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.)
Shell Canada Ltd
Original Assignee
Shell Canada 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
Application filed by Shell Canada Ltd filed Critical Shell Canada Ltd
Application granted granted Critical
Publication of CA996217A publication Critical patent/CA996217A/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
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
    • G06F11/2041—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant with more than one idle spare processing component

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Feedback Control In General (AREA)
CA138,241A 1971-03-29 1972-03-27 Central digital processing control Expired CA996217A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7104212A NL7104212A (en) 1971-03-29 1971-03-29

Publications (1)

Publication Number Publication Date
CA996217A true CA996217A (en) 1976-08-31

Family

ID=19812799

Family Applications (1)

Application Number Title Priority Date Filing Date
CA138,241A Expired CA996217A (en) 1971-03-29 1972-03-27 Central digital processing control

Country Status (7)

Country Link
BE (1) BE780969A (en)
CA (1) CA996217A (en)
DE (1) DE2214927A1 (en)
FR (1) FR2132097B1 (en)
GB (1) GB1391276A (en)
IT (1) IT960893B (en)
NL (1) NL7104212A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4275439A (en) * 1978-01-24 1981-06-23 Tokyo Shibaura Denki Kabushiki Kaisha Process control system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237864C2 (en) * 1982-10-13 1996-05-23 Truetzschler Gmbh & Co Kg Method and device for controlling and regulating a spinning preparation plant
EP0205101B1 (en) * 1985-06-14 1993-09-22 Siemens Aktiengesellschaft Method of operating a data processing system
GB9113300D0 (en) * 1991-06-20 1991-08-07 Drayton Controls Engineering L Controllers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1477090A (en) * 1965-04-30 1967-04-14 Foxboro Co Process control and monitoring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4275439A (en) * 1978-01-24 1981-06-23 Tokyo Shibaura Denki Kabushiki Kaisha Process control system

Also Published As

Publication number Publication date
GB1391276A (en) 1975-04-16
DE2214927A1 (en) 1972-10-12
BE780969A (en) 1972-09-21
NL7104212A (en) 1972-10-03
FR2132097B1 (en) 1976-08-06
FR2132097A1 (en) 1972-11-17
IT960893B (en) 1973-11-30

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