DE69315343D1 - Verfahren fur eingangssignalauflosung von aktiven redundanten prozesssteuerrechnern - Google Patents

Verfahren fur eingangssignalauflosung von aktiven redundanten prozesssteuerrechnern

Info

Publication number
DE69315343D1
DE69315343D1 DE69315343T DE69315343T DE69315343D1 DE 69315343 D1 DE69315343 D1 DE 69315343D1 DE 69315343 T DE69315343 T DE 69315343T DE 69315343 T DE69315343 T DE 69315343T DE 69315343 D1 DE69315343 D1 DE 69315343D1
Authority
DE
Germany
Prior art keywords
resolution
input signals
process controllers
redundant process
active redundant
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 - Fee Related
Application number
DE69315343T
Other languages
English (en)
Other versions
DE69315343T2 (de
Inventor
Eloy Baca
Donald Grinwis
Wayne Dupree
Oscar Schulze
Douglas Pelletier
Johannes Kanse
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.)
Dow Chemical Co
Original Assignee
Dow Chemical 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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of DE69315343D1 publication Critical patent/DE69315343D1/de
Application granted granted Critical
Publication of DE69315343T2 publication Critical patent/DE69315343T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1415—Saving, restoring, recovering or retrying at system level
    • G06F11/1443—Transmit or communication errors
    • 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
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/054—Input/output
    • 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
    • G06F11/1629—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
    • G06F11/1629—Error detection by comparing the output of redundant processing systems
    • G06F11/165—Error detection by comparing the output of redundant processing systems with continued operation after detection of the error
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/14—Plc safety
    • G05B2219/14035—Single analog I-O IN, dual signal processing, dual plc
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/14—Plc safety
    • G05B2219/14077—Detect difference in signal between identical channels, if plausible
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/14—Plc safety
    • G05B2219/14078—If fault in next cycle persists, declare channel faulty
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/14—Plc safety
    • G05B2219/14079—If signal out of range, use for next cycle previous detected signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Hardware Redundancy (AREA)
  • Multi Processors (AREA)
  • Safety Devices In Control Systems (AREA)
  • Control By Computers (AREA)
DE69315343T 1992-08-04 1993-06-16 Verfahren fur eingangssignalauflosung von aktiven redundanten prozesssteuerrechnern Expired - Fee Related DE69315343T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/925,089 US5583757A (en) 1992-08-04 1992-08-04 Method of input signal resolution for actively redundant process control computers
PCT/US1993/005767 WO1994003846A1 (en) 1992-08-04 1993-06-16 Method of input signal resolution for actively redundant process control computers

Publications (2)

Publication Number Publication Date
DE69315343D1 true DE69315343D1 (de) 1998-01-02
DE69315343T2 DE69315343T2 (de) 1998-06-10

Family

ID=25451200

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69315343T Expired - Fee Related DE69315343T2 (de) 1992-08-04 1993-06-16 Verfahren fur eingangssignalauflosung von aktiven redundanten prozesssteuerrechnern

Country Status (11)

Country Link
US (1) US5583757A (de)
EP (1) EP0654154B1 (de)
JP (1) JPH08500686A (de)
KR (1) KR100302218B1 (de)
AU (1) AU4637593A (de)
CA (1) CA2139563A1 (de)
DE (1) DE69315343T2 (de)
ES (1) ES2109507T3 (de)
HK (1) HK1005213A1 (de)
MX (1) MX9304694A (de)
WO (1) WO1994003846A1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4415761A1 (de) * 1994-04-29 1995-11-02 Siemens Ag Verfahren zum Behandeln vorübergehend ungleicher Eingangsdaten oder Zwischenergebnisse in redundanten Steuersystemen
ATE195819T1 (de) * 1995-05-11 2000-09-15 Siemens Ag Einrichtung zur numerischen steuerung einer werkzeugmaschine oder eines roboters
FR2744260B1 (fr) * 1996-01-30 1998-03-27 Aeg Schneider Automation Systeme d'automatisme securise
US6112237A (en) * 1996-11-26 2000-08-29 Global Maintech, Inc. Electronic monitoring system and method for externally monitoring processes in a computer system
US6157956A (en) * 1997-03-28 2000-12-05 Global Maintech, Inc. Heterogeneous computing interface apparatus and method using a universal character set
US6748451B2 (en) 1998-05-26 2004-06-08 Dow Global Technologies Inc. Distributed computing environment using real-time scheduling logic and time deterministic architecture
US6647301B1 (en) 1999-04-22 2003-11-11 Dow Global Technologies Inc. Process control system with integrated safety control system
DE10007008B4 (de) * 2000-02-16 2007-03-08 Daimlerchrysler Ag Verfahren zur Überwachung einer Datenverarbeitungseinrichtung
US6735501B1 (en) * 2000-03-30 2004-05-11 Space Systems/Loral, Inc Satellite commanding using remotely controlled modulation of satellite on-board telemetry parameters
WO2003050624A1 (de) * 2001-12-11 2003-06-19 Continental Teves Ag & Co. Ohg Mehrkerniges redundantes kontrollrechnersystem, rechnerverbund für sicherheitskritische anwendungen in kraftfahrzeugen sowie dessen verwendung
US6813527B2 (en) * 2002-11-20 2004-11-02 Honeywell International Inc. High integrity control system architecture using digital computing platforms with rapid recovery
KR20070062565A (ko) * 2004-10-25 2007-06-15 로베르트 보쉬 게엠베하 적어도 2개의 처리 유닛들을 갖는 컴퓨터 시스템에서 모드전환 및 신호 비교를 위한 방법 및 장치
DE102005037242A1 (de) * 2004-10-25 2007-02-15 Robert Bosch Gmbh Verfahren und Vorrichtung zur Umschaltung und zum Signalvergleich bei einem Rechnersystem mit wenigstens zwei Verarbeitungseinheiten
US20060155753A1 (en) * 2004-11-11 2006-07-13 Marc Asher Global asynchronous serialized transaction identifier
US20060155770A1 (en) * 2004-11-11 2006-07-13 Ipdev Co. System and method for time-based allocation of unique transaction identifiers in a multi-server system
US20060123098A1 (en) * 2004-11-11 2006-06-08 Ipdev Multi-system auto-failure web-based system with dynamic session recovery
US20060184027A1 (en) * 2005-01-06 2006-08-17 Kabushiki Kaisha Toshiba Diagnostic imaging system, magnetic resonance imaging apparatus, and method of diagnostic imaging
US8719327B2 (en) * 2005-10-25 2014-05-06 Fisher-Rosemount Systems, Inc. Wireless communication of process measurements
DE102006047026B4 (de) * 2006-10-02 2011-02-24 Phoenix Contact Gmbh & Co. Kg Verfahren und System zum redundanten Ansteuern einer Slaveeinrichtung
JP5210147B2 (ja) * 2008-01-24 2013-06-12 株式会社荏原製作所 給水装置
DE102011056594A1 (de) * 2011-11-21 2013-05-23 Phoenix Contact Gmbh & Co. Kg Eingangsschaltung für ein Sicherheitsschaltgerät, Sicherheitsschaltung mit einem Sicherheitsschaltgerät und einer solchen Eingangsschaltung, und Verfahren zur Überwachung von einer Mehrzahl Sicherheitsfunktionen
US11199824B2 (en) 2012-01-17 2021-12-14 Fisher-Rosemount Systems, Inc. Reducing controller updates in a control loop
US10423127B2 (en) 2012-01-17 2019-09-24 Fisher-Rosemount Systems, Inc. Velocity based control in a non-periodically updated controller
US9298176B2 (en) 2012-01-17 2016-03-29 Fisher-Rosemount Systems, Inc. Compensating for setpoint changes in a non-periodically updated controller
CN102621922B (zh) * 2012-03-23 2015-05-27 上海板机电气制造有限公司 一种制胶控制系统
CN102955427B (zh) * 2012-11-14 2014-12-03 中国船舶重工集团公司第七一九研究所 互联纠错式三模冗余控制系统及仲裁方法

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3654603A (en) * 1969-10-31 1972-04-04 Astrodata Inc Communications exchange
GB1253309A (en) * 1969-11-21 1971-11-10 Marconi Co Ltd Improvements in or relating to data processing arrangements
US3895223A (en) * 1973-01-03 1975-07-15 Westinghouse Electric Corp Circuit arrangement for enhancing the reliability of common bus outputs of plural redundant systems
US4105900A (en) * 1977-02-16 1978-08-08 The Boeing Company Signal selection apparatus for redundant signal sources
US4304001A (en) * 1980-01-24 1981-12-01 Forney Engineering Company Industrial control system with interconnected remotely located computer control units
US4342083A (en) * 1980-02-05 1982-07-27 The Bendix Corporation Communication system for a multiple-computer system
US4375683A (en) * 1980-11-12 1983-03-01 August Systems Fault tolerant computational system and voter circuit
US4593396A (en) * 1982-10-08 1986-06-03 August Systems Process for a fault-tolerant data processing system with error detection and resistance to fault propagation
JPS5985153A (ja) * 1982-11-08 1984-05-17 Hitachi Ltd 冗長化制御装置
GB2237904B (en) * 1984-02-28 1991-10-02 Lucas Ind Plc Digital control system
FR2561410B1 (fr) * 1984-03-13 1987-11-20 Merlin Gerin Commande de process associe a deux automates programmables redondants
US4663704A (en) * 1984-12-03 1987-05-05 Westinghouse Electric Corp. Universal process control device and method for developing a process control loop program
US4787041A (en) * 1985-08-01 1988-11-22 Honeywell Data control system for digital automatic flight control system channel with plural dissimilar data processing
US4696785A (en) * 1985-10-31 1987-09-29 Westinghouse Electric Corp. Testable voted logic power circuit and method of testing the same
US4683105A (en) * 1985-10-31 1987-07-28 Westinghouse Electric Corp. Testable, fault-tolerant power interface circuit for normally de-energized loads
DE3642851A1 (de) * 1986-12-16 1988-06-30 Bbc Brown Boveri & Cie Fehlertolerantes rechensystem und verfahren zum erkennen, lokalisieren und eliminieren von fehlerhaften einheiten in einem solchen system
US4868826A (en) * 1987-08-31 1989-09-19 Triplex Fault-tolerant output circuits
US4916612A (en) * 1987-11-02 1990-04-10 The Boeing Company Dual channel signal selection and fault detection system
US4868851A (en) * 1988-01-26 1989-09-19 Harris Corporation Signal processing apparatus and method
US4965717A (en) * 1988-12-09 1990-10-23 Tandem Computers Incorporated Multiple processor system having shared memory with private-write capability
US4958270A (en) * 1989-01-23 1990-09-18 Honeywell Inc. Method for control data base updating of a redundant processor in a process control system
US4995040A (en) * 1989-02-03 1991-02-19 Rockwell International Corporation Apparatus for management, comparison, and correction of redundant digital data
US5086499A (en) * 1989-05-23 1992-02-04 Aeg Westinghouse Transportation Systems, Inc. Computer network for real time control with automatic fault identification and by-pass
US5086429A (en) * 1990-04-10 1992-02-04 Honeywell Inc. Fault-tolerant digital computing system with reduced memory redundancy
US5142470A (en) * 1990-09-26 1992-08-25 Honeywell Inc. Method of maintaining synchronization of a free-running secondary processor
US5260065A (en) * 1991-09-17 1993-11-09 Micro Vesicular Systems, Inc. Blended lipid vesicles

Also Published As

Publication number Publication date
US5583757A (en) 1996-12-10
WO1994003846A1 (en) 1994-02-17
DE69315343T2 (de) 1998-06-10
KR950703170A (ko) 1995-08-23
EP0654154B1 (de) 1997-11-19
KR100302218B1 (ko) 2001-11-22
HK1005213A1 (en) 1998-12-24
CA2139563A1 (en) 1994-02-17
EP0654154A1 (de) 1995-05-24
MX9304694A (es) 1994-05-31
JPH08500686A (ja) 1996-01-23
AU4637593A (en) 1994-03-03
ES2109507T3 (es) 1998-01-16

Similar Documents

Publication Publication Date Title
DE69315343D1 (de) Verfahren fur eingangssignalauflosung von aktiven redundanten prozesssteuerrechnern
NO175509C (no) Fremgangsmåte for å behandle et inngangssignal
DE69308293D1 (de) Globales prozesssteuerungsinformationssystem und verfahren
DE3874205D1 (de) Verfahren und system zur robotersteuerung zum zusammenstellen von produkten.
DE69204045D1 (de) Verfahren und Vorrichtung zum optischen Eingang von Befehlen oder Daten.
DE3482344D1 (de) Verfahren zur modellierung von systembetrieb von statischen und dynamischen schaltungseinrichtungen.
DE69406167T2 (de) Verfahren zur Rückgewinnung von Carbonylierungsprodukten
DE69311274T2 (de) Verfahren zur Reinigung von 1,4-Butandiol durch Hydrierung und Destillation
DE69204691T2 (de) Verfahren zur Karbonylierung von Olefin.
DE59201781D1 (de) Verfahren zum Herstellen von Fahrwerksträgern.
DE59301635D1 (de) Verfahren zur Wiedergewinnung von Jod
ATE89009T1 (de) Verfahren zur kontrollierten depolymerisierung von polysacchariden.
DE69610284D1 (de) Verfahren zur robotersteuerung
DE3750614T2 (de) Verfahren zum Einstellen von Betriebsbedingungen eines Systems.
DE3861445D1 (de) Verfahren zur destillativen reinigung von tetrahydrofuran.
DE69321296T2 (de) Verfahren zur Entfernung von Kesselstein
DE59301546D1 (de) Verfahren zur Hydrierung von Zitronensäure
DE69301353D1 (de) Verfahren zur Wiedergewinnung von Thiocyanat
DE59601338D1 (de) Verfahren zur automatisierten Generierung von leittechnischen Strukturen
DE69324888T2 (de) Verfahren zum Nachweis von Phosphatase
ATE173272T1 (de) Verfahren zur reaktivierung von gereinigten membranproteinen
DE59709132D1 (de) Verfahren zur Dehydrierung von 1,4-Butandiol zu Gamma-Butyrolacton
DE69232830D1 (de) Verfahren zur Synthese von D(+)-Biotin
DE59004416D1 (de) Verfahren zum Reinigen von Dimethylterephthalat.
DE68904711T2 (de) Verfahren zur pfropfung von maleinsaeure-anhydrid auf ungesaettigte elastomere von polyolefinen.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee