GB2477238B - A method for redundant controller synchronisation for bump-less failover during normal and mismatch conditions - Google Patents

A method for redundant controller synchronisation for bump-less failover during normal and mismatch conditions

Info

Publication number
GB2477238B
GB2477238B GB1106153A GB201106153A GB2477238B GB 2477238 B GB2477238 B GB 2477238B GB 1106153 A GB1106153 A GB 1106153A GB 201106153 A GB201106153 A GB 201106153A GB 2477238 B GB2477238 B GB 2477238B
Authority
GB
United Kingdom
Prior art keywords
bump
during normal
redundant controller
mismatch conditions
failover during
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.)
Active
Application number
GB1106153A
Other versions
GB2477238A (en
GB201106153D0 (en
Inventor
Richard W Kephart
Kimberly Costlow
Michael Durbin
Xu Cheng
Richard Brown
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.)
Emerson Process Management Power and Water Solutions Inc
Original Assignee
Emerson Process Management Power and Water Solutions Inc
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
Priority claimed from US11/331,886 external-priority patent/US8359112B2/en
Application filed by Emerson Process Management Power and Water Solutions Inc filed Critical Emerson Process Management Power and Water Solutions Inc
Publication of GB201106153D0 publication Critical patent/GB201106153D0/en
Publication of GB2477238A publication Critical patent/GB2477238A/en
Application granted granted Critical
Publication of GB2477238B publication Critical patent/GB2477238B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G06F11/1658—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
    • G06F11/20—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
    • G06F11/2028—Failover techniques eliminating a faulty processor or activating a spare
    • 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
    • G06F11/2097—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

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)
  • Safety Devices In Control Systems (AREA)
GB1106153A 2006-01-13 2007-01-12 A method for redundant controller synchronisation for bump-less failover during normal and mismatch conditions Active GB2477238B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/331,886 US8359112B2 (en) 2006-01-13 2006-01-13 Method for redundant controller synchronization for bump-less failover during normal and program mismatch conditions
GB0700569A GB2434229B (en) 2006-01-13 2007-01-12 A method for redundant controller synchronization for bump-less failover during normal and mismatch conditions

Publications (3)

Publication Number Publication Date
GB201106153D0 GB201106153D0 (en) 2011-05-25
GB2477238A GB2477238A (en) 2011-07-27
GB2477238B true GB2477238B (en) 2011-09-07

Family

ID=44211775

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1106153A Active GB2477238B (en) 2006-01-13 2007-01-12 A method for redundant controller synchronisation for bump-less failover during normal and mismatch conditions
GB1106151A Active GB2477237B (en) 2006-01-13 2007-01-12 A method for redundant controller synchronization for bump-less failover during normal and mismatch conditions

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1106151A Active GB2477237B (en) 2006-01-13 2007-01-12 A method for redundant controller synchronization for bump-less failover during normal and mismatch conditions

Country Status (1)

Country Link
GB (2) GB2477238B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108885575A (en) * 2016-04-01 2018-11-23 三菱电机株式会社 The restoration processing method of control device and control device

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012002494A1 (en) * 2012-02-10 2013-08-14 Phoenix Contact Gmbh & Co. Kg Alternative synchronization connections between redundant controllers
WO2013168258A1 (en) * 2012-05-10 2013-11-14 三菱電機株式会社 Standby dual redundant system
CN104635745B (en) * 2015-03-02 2017-03-22 中国航空无线电电子研究所 Method for synchronizing double aircraft of flight management system
US20190324796A1 (en) * 2016-04-29 2019-10-24 n.lo Innovation, LLC System And Method For Providing Real Time Redundancy For A Configurable Software Platform
US11099936B2 (en) * 2018-09-11 2021-08-24 Embraer S.A. Aircraft integrated multi system electronic architecture
CN110361979B (en) * 2019-07-19 2022-08-16 北京交大思诺科技股份有限公司 Safety computer platform in railway signal field
JP7312127B2 (en) * 2020-02-20 2023-07-20 株式会社日立製作所 Control device
EP3872582A1 (en) * 2020-02-26 2021-09-01 Siemens Aktiengesellschaft Redundantly designed automation system
EP3872583B1 (en) * 2020-02-26 2023-07-19 Siemens Aktiengesellschaft Redundantly designed automation system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006033880A1 (en) * 2004-09-16 2006-03-30 Invensys Systems, Inc. Configuring redundancy in a supervisory process control system
WO2006083723A1 (en) * 2005-02-02 2006-08-10 Honeywell International Inc. Method and apparatus for a redundancy approach in a processor based controller design

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5966300A (en) * 1997-06-18 1999-10-12 Allen-Bradley Company, Inc. Redundant automation controller with deductive power-up
US6272386B1 (en) * 1998-03-27 2001-08-07 Honeywell International Inc Systems and methods for minimizing peer-to-peer control disruption during fail-over in a system of redundant controllers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006033880A1 (en) * 2004-09-16 2006-03-30 Invensys Systems, Inc. Configuring redundancy in a supervisory process control system
WO2006083723A1 (en) * 2005-02-02 2006-08-10 Honeywell International Inc. Method and apparatus for a redundancy approach in a processor based controller design

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108885575A (en) * 2016-04-01 2018-11-23 三菱电机株式会社 The restoration processing method of control device and control device
CN108885575B (en) * 2016-04-01 2022-03-11 三菱电机株式会社 Control device and restoration processing method for control device

Also Published As

Publication number Publication date
GB201106151D0 (en) 2011-05-25
GB2477237A (en) 2011-07-27
GB2477238A (en) 2011-07-27
GB2477237B (en) 2011-09-07
GB201106153D0 (en) 2011-05-25

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