GB2241361B - Computer system - Google Patents

Computer system

Info

Publication number
GB2241361B
GB2241361B GB9102732A GB9102732A GB2241361B GB 2241361 B GB2241361 B GB 2241361B GB 9102732 A GB9102732 A GB 9102732A GB 9102732 A GB9102732 A GB 9102732A GB 2241361 B GB2241361 B GB 2241361B
Authority
GB
United Kingdom
Prior art keywords
computer system
computer
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
GB9102732A
Other versions
GB9102732D0 (en
GB2241361A (en
Inventor
Karl-Heinrich Preis
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB9102732D0 publication Critical patent/GB9102732D0/en
Publication of GB2241361A publication Critical patent/GB2241361A/en
Application granted granted Critical
Publication of GB2241361B publication Critical patent/GB2241361B/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
    • G06F11/16—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/266—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the computer being backed-up or assisted by another circuit, e.g. analogue
    • 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
    • G06F11/1438—Restarting or rejuvenating
    • 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
    • G06F11/2041—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 more than one idle spare processing component
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • G06F15/177—Initialisation or configuration control
    • 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
    • G06F11/1679—Temporal synchronisation or re-synchronisation of redundant processing components at clock signal 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
    • G06F11/20—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)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Software Systems (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Debugging And Monitoring (AREA)
  • Hardware Redundancy (AREA)
  • Multi Processors (AREA)
  • Retry When Errors Occur (AREA)
  • Safety Devices In Control Systems (AREA)
GB9102732A 1990-02-15 1991-02-08 Computer system Expired - Fee Related GB2241361B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904004709 DE4004709C2 (en) 1990-02-15 1990-02-15 Computer system

Publications (3)

Publication Number Publication Date
GB9102732D0 GB9102732D0 (en) 1991-03-27
GB2241361A GB2241361A (en) 1991-08-28
GB2241361B true GB2241361B (en) 1993-08-11

Family

ID=6400226

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9102732A Expired - Fee Related GB2241361B (en) 1990-02-15 1991-02-08 Computer system

Country Status (4)

Country Link
JP (1) JP3217077B2 (en)
DE (1) DE4004709C2 (en)
FR (1) FR2658335B1 (en)
GB (1) GB2241361B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9024488D0 (en) * 1990-11-10 1991-01-02 Lucas Ind Plc Improvements in and relating to microprocessor based systems
DE19541734C2 (en) * 1995-11-09 1997-08-14 Bosch Gmbh Robert Circuit arrangement for performing a reset
JP3881177B2 (en) * 2001-02-06 2007-02-14 三菱電機株式会社 Vehicle control device
DE10151012A1 (en) * 2001-10-16 2003-04-17 Volkswagen Ag Computer error monitoring method e.g. for motor vehicle electronic control and braking systems, involves transmitting reset pulse via signal lines when error state of computer unit is detected
DE10252990B3 (en) * 2002-11-14 2004-04-15 Siemens Ag Control unit for a motor vehicle occupant safety system, especially an airbag system, has additional AND gates in addition to dual controlling computers to ensure reliable detection and resetting of a faulty computer unit
DE10329196A1 (en) * 2003-06-28 2005-01-20 Audi Ag Reset method for a vehicle electronic control unit in which the unit is monitored by a central control unit and when a fault condition is detected it is reset by a reset command being applied to a reset trigger unit
DE10350853A1 (en) * 2003-10-31 2005-06-02 Conti Temic Microelectronic Gmbh Circuit arrangement for monitoring a motor vehicle safety device
US9740178B2 (en) * 2013-03-14 2017-08-22 GM Global Technology Operations LLC Primary controller designation in fault tolerant systems
JP6520962B2 (en) * 2017-01-18 2019-05-29 トヨタ自動車株式会社 Monitoring system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0103850A2 (en) * 1982-09-21 1984-03-28 Xerox Corporation Separate resetting of processors in a multiprocessor control
GB2167216A (en) * 1984-10-15 1986-05-21 Sagem An electric power supply device for microprocessors
US4888697A (en) * 1986-02-01 1989-12-19 Robert Bosch Gmbh Electronic control apparatus with defined reset function

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234926A (en) * 1978-12-05 1980-11-18 Sealand Service Inc. System & method for monitoring & diagnosing faults in environmentally controlled containers, such system and method being especially adapted for remote computer controlled monitoring of numerous transportable containers over existing on-site power wiring
DE3790885D2 (en) * 1987-01-22 1989-05-03 Bosch Gmbh Robert Multicomputing system and process for driving same
DE3726489C2 (en) * 1987-08-08 1995-04-20 Bosch Gmbh Robert Device for monitoring a computer system with two processors in a motor vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0103850A2 (en) * 1982-09-21 1984-03-28 Xerox Corporation Separate resetting of processors in a multiprocessor control
GB2167216A (en) * 1984-10-15 1986-05-21 Sagem An electric power supply device for microprocessors
US4888697A (en) * 1986-02-01 1989-12-19 Robert Bosch Gmbh Electronic control apparatus with defined reset function

Also Published As

Publication number Publication date
JP3217077B2 (en) 2001-10-09
DE4004709A1 (en) 1991-08-22
GB9102732D0 (en) 1991-03-27
GB2241361A (en) 1991-08-28
FR2658335B1 (en) 1997-10-17
FR2658335A1 (en) 1991-08-16
DE4004709C2 (en) 1999-01-07
JPH04215140A (en) 1992-08-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee