DE69128331D1 - Verfahren zur Haltung der Synchronisation eines freilaufenden Sekundärprozessors - Google Patents
Verfahren zur Haltung der Synchronisation eines freilaufenden SekundärprozessorsInfo
- Publication number
- DE69128331D1 DE69128331D1 DE69128331T DE69128331T DE69128331D1 DE 69128331 D1 DE69128331 D1 DE 69128331D1 DE 69128331 T DE69128331 T DE 69128331T DE 69128331 T DE69128331 T DE 69128331T DE 69128331 D1 DE69128331 D1 DE 69128331D1
- Authority
- DE
- Germany
- Prior art keywords
- procedure
- free
- secondary processor
- maintaining synchronization
- running secondary
- 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
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
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/1658—Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit
-
- 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
- G06F11/1683—Temporal synchronisation or re-synchronisation of redundant processing components at instruction level
-
- 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
-
- 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
- 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
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24186—Redundant processors are synchronised
-
- 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
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24189—Redundant processors monitor same point, common parameters
-
- 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
- G06F11/1641—Error detection by comparing the output of redundant processing systems where the comparison is not performed by 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
- G06F11/2038—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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Hardware Redundancy (AREA)
- Multi Processors (AREA)
- Safety Devices In Control Systems (AREA)
- Programmable Controllers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/588,211 US5142470A (en) | 1990-09-26 | 1990-09-26 | Method of maintaining synchronization of a free-running secondary processor |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69128331D1 true DE69128331D1 (de) | 1998-01-15 |
DE69128331T2 DE69128331T2 (de) | 1998-06-04 |
Family
ID=24352943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69128331T Expired - Fee Related DE69128331T2 (de) | 1990-09-26 | 1991-09-25 | Verfahren zur Haltung der Synchronisation eines freilaufenden Sekundärprozessors |
Country Status (6)
Country | Link |
---|---|
US (1) | US5142470A (de) |
EP (1) | EP0478290B1 (de) |
JP (1) | JPH0511820A (de) |
AU (1) | AU645601B2 (de) |
CA (1) | CA2051717C (de) |
DE (1) | DE69128331T2 (de) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5255388A (en) * | 1990-09-26 | 1993-10-19 | Honeywell Inc. | Synchronizing slave processors through eavesdrop by one on a write request message directed to another followed by comparison of individual status request replies |
US5202822A (en) * | 1990-09-26 | 1993-04-13 | Honeywell Inc. | Universal scheme of input/output redundancy in a process control system |
JPH04133102A (ja) * | 1990-09-26 | 1992-05-07 | Mitsubishi Electric Corp | プログラマブル・コントローラ及びその制御方法 |
US5222017A (en) * | 1990-11-23 | 1993-06-22 | The University Of British Columbia | Control system to synchronize slave computers |
US5978831A (en) * | 1991-03-07 | 1999-11-02 | Lucent Technologies Inc. | Synchronous multiprocessor using tasks directly proportional in size to the individual processors rates |
US5583757A (en) * | 1992-08-04 | 1996-12-10 | The Dow Chemical Company | Method of input signal resolution for actively redundant process control computers |
JP2557192B2 (ja) * | 1993-03-15 | 1996-11-27 | インターナショナル・ビジネス・マシーンズ・コーポレイション | トランザクション処理の同期方法、トランザクション処理のモニタ方法及びトランザクションのコミット処理方法 |
US5473771A (en) * | 1993-09-01 | 1995-12-05 | At&T Corp. | Fault-tolerant processing system architecture |
JPH07262032A (ja) * | 1994-03-17 | 1995-10-13 | Fujitsu Ltd | 情報処理装置 |
US6381595B1 (en) | 1994-09-29 | 2002-04-30 | International Business Machines Corporation | System and method for compensation of functional differences between heterogeneous database management systems |
US5768577A (en) * | 1994-09-29 | 1998-06-16 | International Business Machines Corporation | Performance optimization in a heterogeneous, distributed database environment |
US5764949A (en) * | 1994-09-29 | 1998-06-09 | International Business Machines Corporation | Query pass through in a heterogeneous, distributed database environment |
US5588150A (en) * | 1994-09-29 | 1996-12-24 | International Business Machines Corporation | Push down optimization in a distributed, multi-database system |
US5535217A (en) * | 1994-12-20 | 1996-07-09 | International Business Machines Corporation | Method and apparatus for probabilistic clock synchronization with interval arithmetic |
US5802265A (en) * | 1995-12-01 | 1998-09-01 | Stratus Computer, Inc. | Transparent fault tolerant computer system |
US5761518A (en) * | 1996-02-29 | 1998-06-02 | The Foxboro Company | System for replacing control processor by operating processor in partially disabled mode for tracking control outputs and in write enabled mode for transferring control loops |
US5790397A (en) * | 1996-09-17 | 1998-08-04 | Marathon Technologies Corporation | Fault resilient/fault tolerant computing |
US5941915A (en) * | 1997-02-18 | 1999-08-24 | Cummins Engine Company, Inc. | System for providing accurately time stamped vehicle operational messages following a real-time clock reset |
US5966301A (en) * | 1997-06-13 | 1999-10-12 | Allen-Bradley Company, Llc | Redundant processor controller providing upgrade recovery |
US5933347A (en) * | 1997-06-13 | 1999-08-03 | Allen-Bradley Company Llc | Industrial controller with program synchronized updating of back-up controller |
US6070251A (en) * | 1997-06-26 | 2000-05-30 | Sun Microsystems, Inc. | Method and apparatus for high availability and caching data storage devices |
US6073141A (en) * | 1997-11-25 | 2000-06-06 | International Business Machine Corporation | System and method for synchronizing local versions of database |
US6516327B1 (en) * | 1998-12-24 | 2003-02-04 | International Business Machines Corporation | System and method for synchronizing data in multiple databases |
US6701198B1 (en) * | 1999-12-22 | 2004-03-02 | Rockwell Automation Technologies, Inc. | Safety network for industrial controller allowing initialization on standard networks |
US6931307B2 (en) * | 2001-02-16 | 2005-08-16 | Visteon Global Technologies, Inc. | Technique for data synchronization in a multiple system vehicle architecture |
DE10113260B4 (de) * | 2001-03-16 | 2005-10-20 | Siemens Ag | Synchrones, getaktetes Kommunikationssystem mit Relativuhr und Verfahren zum Aufbau eines solchen Systems |
DE10149986C2 (de) * | 2001-10-11 | 2003-11-13 | Siemens Ag | Rechneranordnung mit einem signaltechnisch sicheren Mehrrechnersystem und einem Vorverarbeitungsrechnersystem |
US7251693B2 (en) * | 2001-10-12 | 2007-07-31 | Direct Computer Resources, Inc. | System and method for data quality management and control of heterogeneous data sources |
FI115015B (fi) * | 2002-04-22 | 2005-02-15 | Metso Automation Oy | Menetelmä ja järjestelmä väylän varmistamiseksi sekä ohjauspalvelin |
US7797394B2 (en) * | 2005-04-18 | 2010-09-14 | Dell Products L.P. | System and method for processing commands in a storage enclosure |
US7739234B1 (en) | 2005-12-15 | 2010-06-15 | Teradata Us, Inc. | Techniques for synchronizing data store tables |
US8421614B2 (en) * | 2007-09-19 | 2013-04-16 | International Business Machines Corporation | Reliable redundant data communication through alternating current power distribution system |
WO2013061494A1 (ja) * | 2011-10-28 | 2013-05-02 | 日本電気株式会社 | 通信中継装置、稼働状態決定方法、通信中継制御基板及び制御プログラムが格納された記憶媒体 |
EP2787404A1 (de) * | 2013-04-04 | 2014-10-08 | Siemens Aktiengesellschaft | Verfahren zum Betreiben eines dezentralen Peripheriesystems |
US9618909B2 (en) * | 2013-12-20 | 2017-04-11 | Thales Canada Inc | Safety assurance of multiple redundant systems |
JP5954338B2 (ja) | 2014-01-14 | 2016-07-20 | 横河電機株式会社 | 計装システム及びその保守方法 |
US10248601B2 (en) * | 2014-03-27 | 2019-04-02 | Honeywell International Inc. | Remote terminal unit (RTU) with universal input/output (UIO) and related method |
US10503617B2 (en) | 2017-02-16 | 2019-12-10 | Honeywell International Inc. | Method for synchronizing redundant controllers without hardware support |
CN109510774B (zh) * | 2018-12-05 | 2022-08-02 | 浪潮电子信息产业股份有限公司 | 一种在数据同步过程中实现流量控制的方法 |
EP4063974A1 (de) * | 2021-03-23 | 2022-09-28 | ABB Schweiz AG | Steuerung eines industriellen prozesses unter verwendung virtualisierter instanzen einer steuerungssoftware |
FR3128391B1 (fr) * | 2021-10-21 | 2023-10-20 | Renault | Procédé de contrôle de l’usinage de pièces |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4141066A (en) * | 1977-09-13 | 1979-02-20 | Honeywell Inc. | Process control system with backup process controller |
US4590554A (en) * | 1982-11-23 | 1986-05-20 | Parallel Computers Systems, Inc. | Backup fault tolerant computer system |
US4872106A (en) * | 1983-04-06 | 1989-10-03 | New Forney Corp. | Industrial process control system with back-up data processors to take over from failed primary data processors |
US4607256A (en) * | 1983-10-07 | 1986-08-19 | Honeywell, Inc. | Plant management system |
JPS62214465A (ja) * | 1986-03-17 | 1987-09-21 | Hitachi Ltd | 2重化コントロ−ラの制御方法 |
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 |
US4959768A (en) * | 1989-01-23 | 1990-09-25 | Honeywell Inc. | Apparatus for tracking predetermined data for updating a secondary data base |
US5008805A (en) * | 1989-08-03 | 1991-04-16 | International Business Machines Corporation | Real time, fail safe process control system and method |
US5088021A (en) * | 1989-09-07 | 1992-02-11 | Honeywell, Inc. | Apparatus and method for guaranteed data store in redundant controllers of a process control system |
-
1990
- 1990-09-26 US US07/588,211 patent/US5142470A/en not_active Expired - Lifetime
-
1991
- 1991-09-12 AU AU83869/91A patent/AU645601B2/en not_active Ceased
- 1991-09-18 CA CA002051717A patent/CA2051717C/en not_active Expired - Fee Related
- 1991-09-25 DE DE69128331T patent/DE69128331T2/de not_active Expired - Fee Related
- 1991-09-25 EP EP91308714A patent/EP0478290B1/de not_active Expired - Lifetime
- 1991-09-26 JP JP3273614A patent/JPH0511820A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA2051717C (en) | 1998-05-26 |
EP0478290B1 (de) | 1997-12-03 |
EP0478290A2 (de) | 1992-04-01 |
EP0478290A3 (en) | 1993-06-23 |
JPH0511820A (ja) | 1993-01-22 |
AU645601B2 (en) | 1994-01-20 |
US5142470A (en) | 1992-08-25 |
AU8386991A (en) | 1992-04-02 |
CA2051717A1 (en) | 1992-03-27 |
DE69128331T2 (de) | 1998-06-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |