IT8548633A0 - Sistema di controllo digitale - Google Patents

Sistema di controllo digitale

Info

Publication number
IT8548633A0
IT8548633A0 IT8548633A IT4863385A IT8548633A0 IT 8548633 A0 IT8548633 A0 IT 8548633A0 IT 8548633 A IT8548633 A IT 8548633A IT 4863385 A IT4863385 A IT 4863385A IT 8548633 A0 IT8548633 A0 IT 8548633A0
Authority
IT
Italy
Prior art keywords
control system
digital control
digital
control
Prior art date
Application number
IT8548633A
Other languages
English (en)
Other versions
IT1232660B (it
Inventor
Farman Frederick Brian
Original Assignee
Lucas Ind Plc
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 Lucas Ind Plc filed Critical Lucas Ind Plc
Publication of IT8548633A0 publication Critical patent/IT8548633A0/it
Application granted granted Critical
Publication of IT1232660B publication Critical patent/IT1232660B/it

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
    • F02C9/26—Control of fuel supply
    • F02C9/28—Regulating systems responsive to plant or ambient parameters, e.g. temperature, pressure, rotor speed
    • 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
    • G06F11/1629—Error detection by comparing the output of redundant processing systems
    • G06F11/1633—Error detection by comparing the output of redundant processing systems using mutual exchange of the output between the redundant processing components
    • 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
    • G06F11/2023—Failover techniques
    • G06F11/2033—Failover techniques switching over of hardware resources
    • 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
    • G06F11/2038—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 a single idle spare processing component
    • 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
    • G06F11/2043—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 where the redundant components share a common memory address space
    • 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
    • G06F11/2097—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 maintaining the standby controller/processing unit updated
    • 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
    • G06F11/1675—Temporal synchronisation or re-synchronisation of redundant processing components
    • G06F11/1687—Temporal synchronisation or re-synchronisation of redundant processing components at event level, e.g. by interrupt or result of polling

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Hardware Redundancy (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
IT8548633A 1984-02-28 1985-10-04 Sistema di controllo digitale a due zone equifase per apparecchiature IT1232660B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8405159 1984-02-28

Publications (2)

Publication Number Publication Date
IT8548633A0 true IT8548633A0 (it) 1985-10-04
IT1232660B IT1232660B (it) 1992-03-02

Family

ID=10557275

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8548633A IT1232660B (it) 1984-02-28 1985-10-04 Sistema di controllo digitale a due zone equifase per apparecchiature

Country Status (4)

Country Link
DE (1) DE3533849A1 (it)
FR (1) FR2664720B1 (it)
GB (1) GB2237904B (it)
IT (1) IT1232660B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9125975D0 (en) * 1991-12-06 1992-02-05 Lucas Ind Plc Multi-lane controller
US5583757A (en) * 1992-08-04 1996-12-10 The Dow Chemical Company Method of input signal resolution for actively redundant process control computers
DE19529434B4 (de) * 1995-08-10 2009-09-17 Continental Teves Ag & Co. Ohg Microprozessorsystem für sicherheitskritische Regelungen
FR2748829B1 (fr) * 1996-05-17 1998-08-07 Hautbois Rene Pierre Dispositif de commande securisee tolerant aux pannes
DE19716197A1 (de) 1997-04-18 1998-10-22 Itt Mfg Enterprises Inc Mikroprozessorsystem für sicherheitskritische Regelungen
DE19720618A1 (de) 1997-05-16 1998-11-19 Itt Mfg Enterprises Inc Mikroprozessorsystem für Kfz-Regelungssysteme
DE19834863A1 (de) 1998-08-01 2000-02-03 Heidenhain Gmbh Dr Johannes Verfahren zur sicheren Datenübertragung zwischen einer numerischen Steuerung und einem räumlich getrennten Gerät
EP2971593B1 (en) 2013-03-13 2019-07-03 Rolls-Royce North American Technologies, Inc. Gas turbine engine and electrical system comprising electrical buses

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1364625A (en) * 1970-07-09 1974-08-21 Secr Defence Digital data processing system
IT1087261B (it) * 1977-10-20 1985-06-04 Euteco Spa Sistema a due calcolatori con commutazione automatica in presenza di dati storici,per l'automazione di impianti industriali
US4270168A (en) * 1978-08-31 1981-05-26 United Technologies Corporation Selective disablement in fail-operational, fail-safe multi-computer control system
JPS5537641A (en) * 1978-09-08 1980-03-15 Fujitsu Ltd Synchronization system for doubled processor
US4387426A (en) * 1979-09-06 1983-06-07 Rolls-Royce Limited Digital data processing system
JPS573101A (en) * 1980-06-09 1982-01-08 Hitachi Ltd Multiple control device

Also Published As

Publication number Publication date
GB2237904B (en) 1991-10-02
FR2664720B1 (fr) 1994-05-20
FR2664720A1 (fr) 1992-01-17
IT1232660B (it) 1992-03-02
DE3533849A1 (de) 1995-10-12
GB2237904A (en) 1991-05-15

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970227