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GB2475629B - Non-periodic control communications in wireless and other process control systems - Google Patents

Non-periodic control communications in wireless and other process control systems

Info

Publication number
GB2475629B
GB2475629B GB1101336A GB201101336A GB2475629B GB 2475629 B GB2475629 B GB 2475629B GB 1101336 A GB1101336 A GB 1101336A GB 201101336 A GB201101336 A GB 201101336A GB 2475629 B GB2475629 B GB 2475629B
Authority
GB
United Kingdom
Prior art keywords
wireless
periodic
communications
process control
control systems
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
GB1101336A
Other versions
GB2475629A (en
GB201101336D0 (en
Inventor
Terrence Lynn Blevins
Deji Chen
Mark Nixon
Gregory K Mcmillan
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.)
Fisher Rosemount Systems Inc
Original Assignee
Fisher Rosemount 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
Priority claimed from US11/258,676 external-priority patent/US7587252B2/en
Application filed by Fisher Rosemount Systems Inc filed Critical Fisher Rosemount Systems Inc
Publication of GB201101336D0 publication Critical patent/GB201101336D0/en
Publication of GB2475629A publication Critical patent/GB2475629A/en
Application granted granted Critical
Publication of GB2475629B publication Critical patent/GB2475629B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • 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
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/36—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
    • G05B11/42—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential for obtaining a characteristic which is both proportional and time-dependent, e.g. P. I., P. I. D.
    • 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
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/41835—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by programme execution
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25187—Transmission of signals, medium, ultrasonic, radio
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25231—Command, task has deadline, time limit to be executed
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25428—Field device

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Feedback Control In General (AREA)
GB1101336A 2005-10-25 2006-10-16 Non-periodic control communications in wireless and other process control systems Expired - Fee Related GB2475629B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/258,676 US7587252B2 (en) 2005-10-25 2005-10-25 Non-periodic control communications in wireless and other process control systems
GB0620421A GB2431752B (en) 2005-10-25 2006-10-16 Non-periodic Control Communications in Wireless and Other Process Control Systems

Publications (3)

Publication Number Publication Date
GB201101336D0 GB201101336D0 (en) 2011-03-09
GB2475629A GB2475629A (en) 2011-05-25
GB2475629B true GB2475629B (en) 2011-08-17

Family

ID=43942138

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1101336A Expired - Fee Related GB2475629B (en) 2005-10-25 2006-10-16 Non-periodic control communications in wireless and other process control systems

Country Status (1)

Country Link
GB (1) GB2475629B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8719327B2 (en) 2005-10-25 2014-05-06 Fisher-Rosemount Systems, Inc. Wireless communication of process measurements
US9298176B2 (en) 2012-01-17 2016-03-29 Fisher-Rosemount Systems, Inc. Compensating for setpoint changes in a non-periodically updated controller
US11199824B2 (en) 2012-01-17 2021-12-14 Fisher-Rosemount Systems, Inc. Reducing controller updates in a control loop
US10423127B2 (en) 2012-01-17 2019-09-24 Fisher-Rosemount Systems, Inc. Velocity based control in a non-periodically updated controller

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628129A (en) * 1970-10-01 1971-12-14 Gen Electric Process controller including a rate circuit responsive solely to process variable signal changes
US6437692B1 (en) * 1998-06-22 2002-08-20 Statsignal Systems, Inc. System and method for monitoring and controlling remote devices

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628129A (en) * 1970-10-01 1971-12-14 Gen Electric Process controller including a rate circuit responsive solely to process variable signal changes
US6437692B1 (en) * 1998-06-22 2002-08-20 Statsignal Systems, Inc. System and method for monitoring and controlling remote devices

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Montestruque, L.A. and Antsaklis, P. "Stability of Model-Based Networked Control Systems With Time-Varying Transmission Times". IEEE Transactions on Automatic Control vol.49 no.9 (Sept. 2004): 1562-1572. *

Also Published As

Publication number Publication date
GB2475629A (en) 2011-05-25
GB201101336D0 (en) 2011-03-09

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