CA2145844A1 - A System for Operating Application Software in a Safety Critical Environment - Google Patents

A System for Operating Application Software in a Safety Critical Environment

Info

Publication number
CA2145844A1
CA2145844A1 CA2145844A CA2145844A CA2145844A1 CA 2145844 A1 CA2145844 A1 CA 2145844A1 CA 2145844 A CA2145844 A CA 2145844A CA 2145844 A CA2145844 A CA 2145844A CA 2145844 A1 CA2145844 A1 CA 2145844A1
Authority
CA
Canada
Prior art keywords
application software
safety critical
critical environment
operating application
operating
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.)
Granted
Application number
CA2145844A
Other languages
French (fr)
Other versions
CA2145844C (en
Inventor
Alexander M. Adelson
Alan J. Eisenberg
Richard J. Farrelly
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.)
Base 10 Systems Inc
Original Assignee
Alexander M. Adelson
Alan J. Eisenberg
Richard J. Farrelly
Base 10 Systems, 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
Application filed by Alexander M. Adelson, Alan J. Eisenberg, Richard J. Farrelly, Base 10 Systems, Inc. filed Critical Alexander M. Adelson
Publication of CA2145844A1 publication Critical patent/CA2145844A1/en
Application granted granted Critical
Publication of CA2145844C publication Critical patent/CA2145844C/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
    • G06F11/36—Preventing errors by testing or debugging software
    • G06F11/3664—Environments for testing or debugging software
    • 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
    • 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
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1048—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using arrangements adapted for a specific error detection or correction feature
    • G06F11/106—Correcting systematically all correctable errors, i.e. scrubbing
    • 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
    • G06F11/1479—Generic software techniques for error detection or fault masking
    • G06F11/1482—Generic software techniques for error detection or fault masking by means of middleware or OS functionality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/865—Monitoring of software

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Debugging And Monitoring (AREA)
  • Storage Device Security (AREA)
  • Safety Devices In Control Systems (AREA)
  • Regulation And Control Of Combustion (AREA)

Abstract

A system and method for operating application software in a safety critical environment comprises providing a data processor having an operating system for effecting processing operations and an intermediate shell which interacts with the operating system and application software to emulate a safety critical environment to the application software. The application software is run by interacting solely with the intermediate shell to effect a safety critical environment therefor.
CA002145844A 1992-10-22 1993-10-21 A system for operating application software in a safety critical environment Expired - Fee Related CA2145844C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US964,742 1992-10-22
US07/964,742 US5339261A (en) 1992-10-22 1992-10-22 System for operating application software in a safety critical environment

Publications (2)

Publication Number Publication Date
CA2145844A1 true CA2145844A1 (en) 1994-04-28
CA2145844C CA2145844C (en) 1999-03-30

Family

ID=25508923

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002145844A Expired - Fee Related CA2145844C (en) 1992-10-22 1993-10-21 A system for operating application software in a safety critical environment

Country Status (8)

Country Link
US (3) US5339261A (en)
EP (1) EP0665968B1 (en)
JP (1) JP2877956B2 (en)
AT (1) ATE161980T1 (en)
AU (1) AU5725694A (en)
CA (1) CA2145844C (en)
DE (1) DE69316232T2 (en)
WO (1) WO1994009433A2 (en)

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Also Published As

Publication number Publication date
US5506792A (en) 1996-04-09
DE69316232T2 (en) 1998-08-06
JPH08502611A (en) 1996-03-19
EP0665968B1 (en) 1998-01-07
CA2145844C (en) 1999-03-30
ATE161980T1 (en) 1998-01-15
JP2877956B2 (en) 1999-04-05
AU5725694A (en) 1994-05-09
DE69316232D1 (en) 1998-02-12
US5339261A (en) 1994-08-16
WO1994009433A3 (en) 1994-05-26
EP0665968A1 (en) 1995-08-09
WO1994009433A2 (en) 1994-04-28
US5521849A (en) 1996-05-28

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