IT1119728B - Dispositivo di calcolo digitale - Google Patents
Dispositivo di calcolo digitaleInfo
- Publication number
- IT1119728B IT1119728B IT7921846A IT2184679A IT1119728B IT 1119728 B IT1119728 B IT 1119728B IT 7921846 A IT7921846 A IT 7921846A IT 2184679 A IT2184679 A IT 2184679A IT 1119728 B IT1119728 B IT 1119728B
- Authority
- IT
- Italy
- Prior art keywords
- calculation device
- digital calculation
- digital
- calculation
- Prior art date
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
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0751—Error or fault detection not based on redundancy
- G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
- G06F11/076—Error or fault detection not based on redundancy by exceeding limits by exceeding a count or rate limit, e.g. word- or bit count limit
-
- 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
- G06F11/1641—Error detection by comparing the output of redundant processing systems where the comparison is not performed by the redundant processing components
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Manipulation Of Pulses (AREA)
- Control Of Turbines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1467878 | 1978-04-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7921846A0 IT7921846A0 (it) | 1979-04-13 |
IT1119728B true IT1119728B (it) | 1986-03-10 |
Family
ID=10045611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT7921846A IT1119728B (it) | 1978-04-14 | 1979-04-13 | Dispositivo di calcolo digitale |
Country Status (5)
Country | Link |
---|---|
US (1) | US4251873A (it) |
DE (1) | DE2915401A1 (it) |
FR (1) | FR2423003A1 (it) |
GB (1) | GB2019622B (it) |
IT (1) | IT1119728B (it) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4456952A (en) * | 1977-03-17 | 1984-06-26 | Honeywell Information Systems Inc. | Data processing system having redundant control processors for fault detection |
JPS5644238A (en) * | 1979-09-20 | 1981-04-23 | Fujitsu Ltd | Supervisory circuit of reverse diffusion device |
US4447903A (en) * | 1981-05-22 | 1984-05-08 | Ael Microtel, Ltd. | Forward error correction using coding and redundant transmission |
JPS5810246A (ja) * | 1981-07-13 | 1983-01-20 | Nissan Motor Co Ltd | 車両用ディジタル制御装置 |
US4504905A (en) * | 1981-09-05 | 1985-03-12 | Lucas Industries Plc | Digital control system including means for maintaining signals supplied thereby within limiting values |
FR2512980B1 (it) * | 1981-09-14 | 1983-12-23 | Aero Etudes Conseils | |
US4494208A (en) * | 1982-04-15 | 1985-01-15 | General Electric Company | Bumpless switching of valve drive in a turbine control system |
US4494207A (en) * | 1982-04-15 | 1985-01-15 | General Electric Company | Dual turbine controller |
GB8312822D0 (en) * | 1983-05-10 | 1983-06-15 | Dowty & Smiths Ind Controls Lt | Engine control systems |
US4695946A (en) * | 1984-10-25 | 1987-09-22 | Unisys Corporation | Maintenance subsystem for computer network including power control and remote diagnostic center |
WO1986004432A1 (en) * | 1985-01-22 | 1986-07-31 | National Can Corporation | Redundant control system for automatic forming machine |
US4821193A (en) * | 1985-08-26 | 1989-04-11 | General Electric Company | Digital control for gas turbine engine |
US4712372A (en) * | 1985-09-18 | 1987-12-15 | Avco Corporation | Overspeed system redundancy monitor |
JPS62299435A (ja) * | 1986-06-19 | 1987-12-26 | Isuzu Motors Ltd | 異常検出装置付き車両の制御装置 |
US5020024A (en) * | 1987-01-16 | 1991-05-28 | Stratus Computer, Inc. | Method and apparatus for detecting selected absence of digital logic synchronism |
JPH061402B2 (ja) * | 1987-03-20 | 1994-01-05 | 住友電気工業株式会社 | 多重系制御回路 |
US4916704A (en) * | 1987-09-04 | 1990-04-10 | Digital Equipment Corporation | Interface of non-fault tolerant components to fault tolerant system |
DE3854026D1 (de) * | 1987-09-04 | 1995-07-27 | Digital Equipment Corp | Fehlertolerantes Rechnersystem mit Fehler-Eingrenzung. |
US5185877A (en) * | 1987-09-04 | 1993-02-09 | Digital Equipment Corporation | Protocol for transfer of DMA data |
EP0306211A3 (en) * | 1987-09-04 | 1990-09-26 | Digital Equipment Corporation | Synchronized twin computer system |
US4907228A (en) * | 1987-09-04 | 1990-03-06 | Digital Equipment Corporation | Dual-rail processor with error checking at single rail interfaces |
DE3881154D1 (de) * | 1987-11-06 | 1993-06-24 | Vaillant Joh Gmbh & Co | Steuerung fuer eine brennstoffbeheizte waermequelle. |
US5001767A (en) * | 1987-11-30 | 1991-03-19 | Kabushiki Kaisha Toshiba | Image processing device |
WO1989012272A1 (en) * | 1988-06-06 | 1989-12-14 | Robert Bosch Gmbh | A method for monitoring errors in data |
JPH07117905B2 (ja) * | 1989-02-09 | 1995-12-18 | 日本電気株式会社 | マイクロプロセッサ |
US5163138A (en) * | 1989-08-01 | 1992-11-10 | Digital Equipment Corporation | Protocol for read write transfers via switching logic by transmitting and retransmitting an address |
US5065312A (en) * | 1989-08-01 | 1991-11-12 | Digital Equipment Corporation | Method of converting unique data to system data |
EP0415545B1 (en) * | 1989-08-01 | 1996-06-19 | Digital Equipment Corporation | Method of handling errors in software |
US5153881A (en) * | 1989-08-01 | 1992-10-06 | Digital Equipment Corporation | Method of handling errors in software |
US5068780A (en) * | 1989-08-01 | 1991-11-26 | Digital Equipment Corporation | Method and apparatus for controlling initiation of bootstrap loading of an operating system in a computer system having first and second discrete computing zones |
US5251227A (en) * | 1989-08-01 | 1993-10-05 | Digital Equipment Corporation | Targeted resets in a data processor including a trace memory to store transactions |
US5048022A (en) * | 1989-08-01 | 1991-09-10 | Digital Equipment Corporation | Memory device with transfer of ECC signals on time division multiplexed bidirectional lines |
US5068851A (en) * | 1989-08-01 | 1991-11-26 | Digital Equipment Corporation | Apparatus and method for documenting faults in computing modules |
FR2654852A1 (fr) * | 1989-11-21 | 1991-05-24 | Inrets | Procede de surveillance du fonctionnement d'au moins deux microprocesseurs. |
US5551050A (en) * | 1989-12-20 | 1996-08-27 | Texas Instruments Incorporated | System and method using synchronized processors to perform real time internal monitoring of a data processing device |
JPH05128080A (ja) * | 1991-10-14 | 1993-05-25 | Mitsubishi Electric Corp | 情報処理装置 |
US5428769A (en) * | 1992-03-31 | 1995-06-27 | The Dow Chemical Company | Process control interface system having triply redundant remote field units |
US5751932A (en) * | 1992-12-17 | 1998-05-12 | Tandem Computers Incorporated | Fail-fast, fail-functional, fault-tolerant multiprocessor system |
US5838894A (en) | 1992-12-17 | 1998-11-17 | Tandem Computers Incorporated | Logical, fail-functional, dual central processor units formed from three processor units |
FR2704329B1 (fr) * | 1993-04-21 | 1995-07-13 | Csee Transport | Système de sécurité à microprocesseur, applicable notamment au domaine des transports ferroviaires. |
US5490072A (en) * | 1994-07-18 | 1996-02-06 | Kelsey-Hayes Company | Method and system for detecting the proper functioning of an ABS control unit utilizing dual programmed microprocessors |
US5485379A (en) * | 1994-07-25 | 1996-01-16 | Kelsey Hayes Company | Method and system for detecting the proper functioning of an ABS control unit utilizing substantially identical programmed microprocessors |
DE69608124T2 (de) * | 1995-12-18 | 2001-04-26 | Abb Automation Inc., Wickliffe | Prozessorunabhängige fehlerprüfungsanordnung |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL153059B (nl) * | 1967-01-23 | 1977-04-15 | Bell Telephone Mfg | Automatisch telecommunicatie-schakelstelsel. |
GB1238162A (it) * | 1969-03-26 | 1971-07-07 | ||
GB1253309A (en) * | 1969-11-21 | 1971-11-10 | Marconi Co Ltd | Improvements in or relating to data processing arrangements |
US3618015A (en) * | 1970-06-30 | 1971-11-02 | Gte Automatic Electric Lab Inc | Apparatus for discriminating between errors and faults |
DE2108496C3 (de) * | 1971-02-23 | 1978-12-14 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Schaltungsanordnung zur ständigen Funktionskontrolle der Informationsverarbeitung und der Ausgabe von Datentelegrammen, insbesondere für prozeßrechnergesteuerte Eisenbahnsignalanlagen |
FR2162093B1 (it) * | 1971-12-02 | 1977-04-08 | Hitachi Ltd | |
DE2303828A1 (de) * | 1973-01-26 | 1974-08-01 | Standard Elektrik Lorenz Ag | Steuerverfahren mit drei parallel betriebenen rechnern |
GB1483733A (en) * | 1973-11-07 | 1977-08-24 | Lucas Industries Ltd | Electric control circuit arrangements for gas turbine engines |
US3931505A (en) * | 1974-03-13 | 1976-01-06 | Bell Telephone Laboratories, Incorporated | Program controlled data processor |
-
1979
- 1979-04-05 GB GB7911935A patent/GB2019622B/en not_active Expired
- 1979-04-12 US US06/029,349 patent/US4251873A/en not_active Expired - Lifetime
- 1979-04-12 FR FR7909297A patent/FR2423003A1/fr not_active Withdrawn
- 1979-04-13 IT IT7921846A patent/IT1119728B/it active
- 1979-04-14 DE DE19792915401 patent/DE2915401A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
IT7921846A0 (it) | 1979-04-13 |
FR2423003A1 (fr) | 1979-11-09 |
GB2019622A (en) | 1979-10-31 |
US4251873A (en) | 1981-02-17 |
DE2915401A1 (de) | 1979-10-25 |
GB2019622B (en) | 1982-04-07 |
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