IT1111264B - Circuito supervisore per sistemi di controllo a canali ridondanti - Google Patents
Circuito supervisore per sistemi di controllo a canali ridondantiInfo
- Publication number
- IT1111264B IT1111264B IT21147/79A IT2114779A IT1111264B IT 1111264 B IT1111264 B IT 1111264B IT 21147/79 A IT21147/79 A IT 21147/79A IT 2114779 A IT2114779 A IT 2114779A IT 1111264 B IT1111264 B IT 1111264B
- Authority
- IT
- Italy
- Prior art keywords
- control systems
- channel control
- redundant channel
- supervisor circuit
- supervisor
- Prior art date
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Safety Devices In Control Systems (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/889,625 US4199799A (en) | 1978-03-24 | 1978-03-24 | Supervisory circuit for redundant channel control systems |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7921147A0 IT7921147A0 (it) | 1979-03-20 |
IT1111264B true IT1111264B (it) | 1986-01-13 |
Family
ID=25395460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21147/79A IT1111264B (it) | 1978-03-24 | 1979-03-20 | Circuito supervisore per sistemi di controllo a canali ridondanti |
Country Status (6)
Country | Link |
---|---|
US (1) | US4199799A (it) |
JP (1) | JPS54138971A (it) |
DE (1) | DE2911240A1 (it) |
ES (1) | ES478885A1 (it) |
IT (1) | IT1111264B (it) |
SE (1) | SE438563B (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2430633A1 (fr) * | 1978-07-07 | 1980-02-01 | Sfena | Systeme de commande auto-surveille, d'un processus |
US4470018A (en) * | 1980-09-29 | 1984-09-04 | Hasler Ag Bern | Circuit for producing a control voltage depending on frequency and/or phase differences |
US4394761A (en) * | 1981-04-16 | 1983-07-19 | Honeywell Inc. | Current switching technique |
US4475049A (en) * | 1981-05-07 | 1984-10-02 | Smith Robert E | Redundant serial communication circuit |
US4577332A (en) * | 1983-03-14 | 1986-03-18 | General Electric Company | Digital decoding arrangement |
US4797670A (en) * | 1987-01-30 | 1989-01-10 | Joyner Engineers & Trainers, Inc. | Redundant signal selector system |
US4829198A (en) * | 1987-04-10 | 1989-05-09 | International Business Machines Corporation | Fault tolerant logical circuitry |
JPS63318816A (ja) * | 1987-06-12 | 1988-12-27 | インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン | 欠陥許容性を有する論理回路 |
DE8904581U1 (de) * | 1989-04-12 | 1989-05-24 | EUBA-Antriebstechnik Eller GmbH, 4300 Essen | Motorüberwachungsschalter |
JP2514675Y2 (ja) * | 1990-05-31 | 1996-10-23 | 株式会社島津製作所 | プロセス制御装置 |
DE19610871C1 (de) * | 1996-03-20 | 1997-06-19 | Daimler Benz Ag | Steuerungsvorrichtung, insbesondere zur Fahrzeugbremslichtsteuerung |
US5949677A (en) * | 1997-01-09 | 1999-09-07 | Honeywell Inc. | Control system utilizing fault detection |
DE19727204A1 (de) * | 1997-06-26 | 1999-01-07 | Bosch Gmbh Robert | Vorrichtung zur Erkennung eines fehlerhaften Signales |
DE10035174A1 (de) * | 2000-05-18 | 2001-12-06 | Siemens Ag | Peripheriebaustein mit hoher Fehlersicherheit für speicherprogrammierbare Steuerungen |
US6603301B2 (en) * | 2001-07-26 | 2003-08-05 | Agilent Technologies, Inc. | Multiple range current measurement system with low power dissipation, fast setting time, and low common mode voltage error |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3800164A (en) * | 1969-01-02 | 1974-03-26 | Us Navy | Redundant logic circuit |
DE2020940B2 (de) * | 1970-04-29 | 1973-05-03 | Siemens AG, 1000 Berlin u. 8000 München | Einrichtung zur funktionsueberwachung der einzelnen regelstraenge eines analogen mehrkanaligen regelsystems |
JPS511264B2 (it) * | 1972-05-02 | 1976-01-16 | ||
US3979720A (en) * | 1974-05-22 | 1976-09-07 | Siemens Aktiengesellschaft | Apparatus for monitoring a redundant multi-channel analog system |
US4105900A (en) * | 1977-02-16 | 1978-08-08 | The Boeing Company | Signal selection apparatus for redundant signal sources |
-
1978
- 1978-03-24 US US05/889,625 patent/US4199799A/en not_active Expired - Lifetime
-
1979
- 1979-03-20 IT IT21147/79A patent/IT1111264B/it active
- 1979-03-22 ES ES478885A patent/ES478885A1/es not_active Expired
- 1979-03-22 JP JP3239579A patent/JPS54138971A/ja active Granted
- 1979-03-22 SE SE7902587A patent/SE438563B/sv not_active IP Right Cessation
- 1979-03-22 DE DE19792911240 patent/DE2911240A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US4199799A (en) | 1980-04-22 |
IT7921147A0 (it) | 1979-03-20 |
SE438563B (sv) | 1985-04-22 |
SE7902587L (sv) | 1979-09-25 |
ES478885A1 (es) | 1979-11-16 |
JPS54138971A (en) | 1979-10-27 |
JPH0248921B2 (it) | 1990-10-26 |
DE2911240A1 (de) | 1979-10-04 |
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