GB2086111B - Analogue control systems - Google Patents

Analogue control systems

Info

Publication number
GB2086111B
GB2086111B GB8130906A GB8130906A GB2086111B GB 2086111 B GB2086111 B GB 2086111B GB 8130906 A GB8130906 A GB 8130906A GB 8130906 A GB8130906 A GB 8130906A GB 2086111 B GB2086111 B GB 2086111B
Authority
GB
United Kingdom
Prior art keywords
control systems
analogue control
analogue
systems
control
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
Application number
GB8130906A
Other versions
GB2086111A (en
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.)
Rolls Royce Power Engineering PLC
Original Assignee
Northern Engineering Industries PLC
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 Northern Engineering Industries PLC filed Critical Northern Engineering Industries PLC
Priority to GB8130906A priority Critical patent/GB2086111B/en
Publication of GB2086111A publication Critical patent/GB2086111A/en
Application granted granted Critical
Publication of GB2086111B publication Critical patent/GB2086111B/en
Expired legal-status Critical Current

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
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
    • G05B23/0256—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults injecting test signals and analyzing monitored process response, e.g. injecting the test signal while interrupting the normal operation of the monitored system; superimposing the test signal onto a control signal during normal operation of the monitored system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
    • F01D17/22—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical
    • F01D17/24—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical electrical
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)
GB8130906A 1980-10-23 1981-10-13 Analogue control systems Expired GB2086111B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8130906A GB2086111B (en) 1980-10-23 1981-10-13 Analogue control systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8034274 1980-10-23
GB8130906A GB2086111B (en) 1980-10-23 1981-10-13 Analogue control systems

Publications (2)

Publication Number Publication Date
GB2086111A GB2086111A (en) 1982-05-06
GB2086111B true GB2086111B (en) 1984-06-06

Family

ID=26277312

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8130906A Expired GB2086111B (en) 1980-10-23 1981-10-13 Analogue control systems

Country Status (1)

Country Link
GB (1) GB2086111B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8317224D0 (en) * 1983-06-24 1983-07-27 Atomic Energy Authority Uk Monitoring system
GB2162671A (en) * 1983-08-27 1986-02-05 Hunslet Monitoring system
DE3401761C2 (en) * 1984-01-19 1987-04-16 Fresenius AG, 6380 Bad Homburg Control device
CN113298328B (en) * 2020-02-19 2024-02-06 北京国电智深控制技术有限公司 Method and device for detecting state of actuating mechanism
US11403158B2 (en) * 2020-07-23 2022-08-02 Fisher Controls International Llc Discrete logic safety systems for smart process control devices

Also Published As

Publication number Publication date
GB2086111A (en) 1982-05-06

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Legal Events

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

Effective date: 19921013