GB2313678B - Electronically-interlocked parallel-multiplexed control system - Google Patents

Electronically-interlocked parallel-multiplexed control system

Info

Publication number
GB2313678B
GB2313678B GB9700644A GB9700644A GB2313678B GB 2313678 B GB2313678 B GB 2313678B GB 9700644 A GB9700644 A GB 9700644A GB 9700644 A GB9700644 A GB 9700644A GB 2313678 B GB2313678 B GB 2313678B
Authority
GB
United Kingdom
Prior art keywords
electronically
control system
multiplexed control
interlocked parallel
interlocked
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
GB9700644A
Other versions
GB2313678A (en
GB9700644D0 (en
Inventor
Mukai Atsushi
Okajima Toshio
Sekimoto Hajime
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of GB9700644D0 publication Critical patent/GB9700644D0/en
Publication of GB2313678A publication Critical patent/GB2313678A/en
Application granted granted Critical
Publication of GB2313678B publication Critical patent/GB2313678B/en
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
    • G06F11/0796—Safety measures, i.e. ensuring safe condition in the event of error, e.g. for controlling element
    • 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
    • G05B7/00—Arrangements for obtaining smooth engagement or disengagement of automatic control
    • G05B7/02—Arrangements for obtaining smooth engagement or disengagement of automatic control electric
    • 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
    • G06F11/1637—Error detection by comparing the output of redundant processing systems using additional compare functionality in one or some but not all of 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
    • G06F11/1654—Error detection by comparing the output of redundant processing systems where the output of only one of the redundant processing components can drive the attached hardware, e.g. memory or I/O
    • 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
    • G06F11/1695—Error detection or correction of the data by redundancy in hardware which are operating with time diversity
    • 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

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)
  • Safety Devices In Control Systems (AREA)
GB9700644A 1996-05-27 1997-01-14 Electronically-interlocked parallel-multiplexed control system Expired - Fee Related GB2313678B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13201496A JP3208060B2 (en) 1996-05-27 1996-05-27 Parallel dual electronic interlocking device

Publications (3)

Publication Number Publication Date
GB9700644D0 GB9700644D0 (en) 1997-03-05
GB2313678A GB2313678A (en) 1997-12-03
GB2313678B true GB2313678B (en) 1998-09-09

Family

ID=15071521

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9700644A Expired - Fee Related GB2313678B (en) 1996-05-27 1997-01-14 Electronically-interlocked parallel-multiplexed control system

Country Status (3)

Country Link
JP (1) JP3208060B2 (en)
FR (1) FR2749097B1 (en)
GB (1) GB2313678B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2345153A (en) * 1998-12-23 2000-06-28 Motorola Ltd Fault-tolerant microcontroller arrangement, eg for a vehicle braking system
DE10057782C1 (en) * 2000-11-22 2002-06-20 Siemens Ag Operating mode switching method for process control switches between solo operating mode and redundant control mode employing back-up central processing unit
US6938124B2 (en) 2002-07-19 2005-08-30 Hewlett-Packard Development Company, L.P. Hardware assisted communication between processors
JP3897046B2 (en) * 2005-01-28 2007-03-22 横河電機株式会社 Information processing apparatus and information processing method
JP5067965B2 (en) * 2007-07-06 2012-11-07 日本信号株式会社 Ground unit, writing device and ground device
JP2010102565A (en) * 2008-10-24 2010-05-06 Mitsubishi Electric Corp Duplex controller
DE102009019087A1 (en) 2009-04-20 2010-11-11 Pilz Gmbh & Co. Kg Safety control and method for controlling an automated plant
JP4954249B2 (en) * 2009-07-22 2012-06-13 株式会社京三製作所 Electronic terminal device and electronic interlocking device
JP2015194971A (en) 2014-03-31 2015-11-05 日本信号株式会社 redundant system control device
JP7023726B2 (en) * 2018-01-25 2022-02-22 株式会社日立ハイテクソリューションズ Duplex control system
KR102171638B1 (en) * 2018-10-05 2020-10-30 현대로템 주식회사 Tcms and method of data distributed processing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0041701A2 (en) * 1980-06-09 1981-12-16 Hitachi, Ltd. Multiple digital controller system
GB2235791A (en) * 1989-07-21 1991-03-13 Hitachi Ltd Escalator or travelator control

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0518630A3 (en) * 1991-06-12 1993-10-20 Aeci Ltd Redundant control system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0041701A2 (en) * 1980-06-09 1981-12-16 Hitachi, Ltd. Multiple digital controller system
GB2235791A (en) * 1989-07-21 1991-03-13 Hitachi Ltd Escalator or travelator control

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Japanese Abstract JP030292257 A,(KYOSAN ELECTRIC MFG CO LTD)24.12.1991 *

Also Published As

Publication number Publication date
FR2749097B1 (en) 1998-07-24
GB2313678A (en) 1997-12-03
JPH09319401A (en) 1997-12-12
GB9700644D0 (en) 1997-03-05
JP3208060B2 (en) 2001-09-10
FR2749097A1 (en) 1997-11-28

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20000128

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130114