HK1102843A1 - A method for redundant controller synchronization for bump-less failover during normal and mismatch conditions - Google Patents

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

Info

Publication number
HK1102843A1
HK1102843A1 HK07109234.0A HK07109234A HK1102843A1 HK 1102843 A1 HK1102843 A1 HK 1102843A1 HK 07109234 A HK07109234 A HK 07109234A HK 1102843 A1 HK1102843 A1 HK 1102843A1
Authority
HK
Hong Kong
Prior art keywords
bump
during normal
redundant controller
mismatch conditions
controller synchronization
Prior art date
Application number
HK07109234.0A
Other languages
English (en)
Inventor
Richard W Kephart
Kimberly Costlow
Michael Durbin
Xu Cheng
Richard Brown
Original Assignee
Emerson Process Management
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 Emerson Process Management filed Critical Emerson Process Management
Publication of HK1102843A1 publication Critical patent/HK1102843A1/xx

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
    • G06F11/2023—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
    • G06F11/2038—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)
  • Hardware Redundancy (AREA)
HK07109234.0A 2006-01-13 2007-08-24 A method for redundant controller synchronization for bump-less failover during normal and mismatch conditions HK1102843A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
HK1102843A1 true HK1102843A1 (en) 2007-12-07

Family

ID=37809831

Family Applications (3)

Application Number Title Priority Date Filing Date
HK07109234.0A HK1102843A1 (en) 2006-01-13 2007-08-24 A method for redundant controller synchronization for bump-less failover during normal and mismatch conditions
HK11111445.5A HK1152199A1 (en) 2006-01-13 2011-10-24 A method for redundant controller synchronisation for bump-less failover during normal and mismatch conditions
HK11114078.3A HK1159766A1 (en) 2006-01-13 2011-12-30 A method for redundant controller synchronization for bump-less failover during normal and mismatch conditions

Family Applications After (2)

Application Number Title Priority Date Filing Date
HK11111445.5A HK1152199A1 (en) 2006-01-13 2011-10-24 A method for redundant controller synchronisation for bump-less failover during normal and mismatch conditions
HK11114078.3A HK1159766A1 (en) 2006-01-13 2011-12-30 A method for redundant controller synchronization for bump-less failover during normal and mismatch conditions

Country Status (6)

Country Link
US (1) US8359112B2 (xx)
CN (1) CN101004587B (xx)
CA (3) CA2839048C (xx)
DE (1) DE102007001576B4 (xx)
GB (1) GB2434229B (xx)
HK (3) HK1102843A1 (xx)

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US8359112B2 (en) 2013-01-22
CA2573095C (en) 2017-03-14
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CA2839045C (en) 2016-09-27
GB2434229B (en) 2011-06-22
HK1152199A1 (en) 2012-02-24
US20070168058A1 (en) 2007-07-19
GB0700569D0 (en) 2007-02-21
CA2839048A1 (en) 2007-07-13
CA2839045A1 (en) 2007-07-13
GB2434229A (en) 2007-07-18
CA2839048C (en) 2016-06-28
CN101004587A (zh) 2007-07-25
CN101004587B (zh) 2010-11-03
CA2573095A1 (en) 2007-07-13
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