WO2013174434A1 - Procédé et système de commande industriel permettant de faciliter la commande d'un processus industriel - Google Patents

Procédé et système de commande industriel permettant de faciliter la commande d'un processus industriel Download PDF

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Publication number
WO2013174434A1
WO2013174434A1 PCT/EP2012/059753 EP2012059753W WO2013174434A1 WO 2013174434 A1 WO2013174434 A1 WO 2013174434A1 EP 2012059753 W EP2012059753 W EP 2012059753W WO 2013174434 A1 WO2013174434 A1 WO 2013174434A1
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WO
WIPO (PCT)
Prior art keywords
industrial
graph
process variable
control system
event
Prior art date
Application number
PCT/EP2012/059753
Other languages
English (en)
Inventor
Saad AZHAR
Hongyu PEI-BREIVOLD
Susanne TIMSJÖ
Original Assignee
Abb Research Ltd
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 Abb Research Ltd filed Critical Abb Research Ltd
Priority to PCT/EP2012/059753 priority Critical patent/WO2013174434A1/fr
Publication of WO2013174434A1 publication Critical patent/WO2013174434A1/fr

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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
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/409—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using manual data input [MDI] or by using control panel, e.g. controlling functions with the panel; characterised by control panel details or by setting parameters
    • 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
    • G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
    • G05B23/0227—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions
    • G05B23/0232—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions based on qualitative trend analysis, e.g. system evolution
    • 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
    • G05B2219/30—Nc systems
    • G05B2219/32—Operator till task planning
    • G05B2219/32128—Gui graphical user interface
    • 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
    • G05B2219/30—Nc systems
    • G05B2219/35—Nc in input of data, input till input file format
    • G05B2219/35488—Graphical user interface, labview

Definitions

  • the present disclosure generally relates to industrial process control and in particular to a method and an industrial control system for facilitating control of an industrial process.
  • Industrial processes in fields such as pulp and paper, oil and gas, heat and power generation, steel production and the chemical industry generally comprise a plurality of process components, i.e. process equipment, for carrying out the various process steps.
  • sensors are typically arranged to measure industrial process related data, such as process variable values, associated with the process components.
  • process variable values are used for controlling the process variables by means of controllers in accordance with setpoint values.
  • SCADA supervisory control and data acquisition
  • the SCADA system is arranged to receive measurement data from the plurality of sensors for monitoring purposes.
  • the measurement data received by the SCADA system is presented to process operators supervising the industrial process. Process operators may thereby monitor the entire industrial process and provide control commands to any of the controllers to, for example, override normal control provided by the controllers.
  • a general object of the present disclosure is to provide a method and an industrial control system that
  • a method for facilitating control of an industrial process by means of an industrial control system comprising: receiving a process variable value for each of a plurality of process variables associated with the industrial process; and updating each of a plurality of graphs being displayed
  • One embodiment comprises determining whether a process component of the industrial process is subject to an event based on a received process variable value associated with the process component.
  • An event is a situation giving rise to an alarm, which occurs when a process variable has a value outside a predetermined accepted range.
  • the step of updating involves visually indicating in a graph associated with the process variable value if it is determined that the process component is subject to an event. The attention of the process operator may thereby be drawn directly to the alarm or event, wherein mitigating action may be provided promptly.
  • One embodiment comprises receiving a user selection of the graph associated with the process component subject to the event to enlarge the graph on the display device.
  • One embodiment comprises enlarging the graph in response to the user selection.
  • One embodiment comprises receiving a control command to control the process variable associated with the process component subject to the event.
  • One embodiment comprises providing a control command to a controller for controlling the process component subject to the event based on the control command.
  • One embodiment comprises receiving a user selection of the plurality of process variables to be displayed on the display device in the step of displaying.
  • One embodiment comprises determining the plurality of process variables to be displayed on the display device based on trends of the process variable values of the industrial process.
  • the method according to the first aspect may be implemented as a computer program product comprising computer-executable components for causing a device to perform the steps recited in the first aspect when the computer-executable components are run on a processor included in the device.
  • an industrial control system for facilitating control of an industrial process, wherein the industrial control system comprises: a processor arranged to receive a process variable value for each of a plurality of process variables associated with the industrial process; and a display device arranged to display the process variable value of each of the plurality of process variables
  • each graph being associated with a respective process variable of the plurality of process variables and each graph having a first coordinate axis
  • the processor is arranged to update each of the plurality of graphs with a respective process variable value received by the processor to thereby provide simultaneous dynamic process variable value information of the process variables associated with the graphs.
  • the processor is arranged to determine whether a process component of the industrial process is subject to an event based on a received process variable value associated with the process component.
  • the display device is arranged to visually indicate in the graph associated with the process variable value when it is determined that the process component is subject to an event.
  • the processor is arranged to enlarge the graph in response to the user selection. According to one embodiment the processor is arranged to receive a control command to control the process variable associated with the process component subject to the event.
  • Fig. 1 is a schematic diagram of an industrial control system
  • Figs 2a-b show views of a display device of an industrial control system
  • Fig. 3 is a flowchart of a method for facilitating control of an industrial process.
  • FIG. 1 schematically shows an example of an industrial control system 1 for monitoring and controlling an industrial process 3.
  • the industrial process 3 usually involves various process steps carried out by one or more process component 5-A, 5-B, 5-C and 5-D.
  • the process flow according to the example of Fig. 1 is in a direction from left to right, as indicated by arrows A.
  • the industrial control system 1 may, for example, be a distributed industrial control system (DCS).
  • the industrial control system may be a SCADA system or a combination of a SCADA system and DCS system.
  • An example of an industrial control system in this context is the ABB® 800xA control system.
  • An industrial process is to be understood to mean a procedure that involves chemical, electrical or mechanical steps to aid in
  • a process component may for instance be a tank, a valve, a turbine, a roller or a cluster or rollers for a pulp and paper mill, drying equipment, a refiner, a generator, a motor, a transformer or a boiler.
  • the industrial control system 1 comprises a plurality of controllers 7-1, 7-2, 7-3, 7-4 such as Remote Terminal Units (RTU) or
  • RTU Remote Terminal Units
  • PLC Programmable Logic Controllers
  • sensors 9- 1, 9-2, 9-3, 9-4 associated with a respective controller 7-1, 7-2, 7- 3, 7-4.
  • each controller may realise one or more control loops.
  • Each sensor may be comprised in a respective controller, or the controllers and sensors may be physically separate units.
  • Each sensor 9-1, 9-2, 9-3, 9-4 of the plurality of sensors is arranged to measure one or more process variable(s) of a process component 5-A, 5-B, 5-C, 5-D.
  • the controllers 7-1, 7-2, 7-3, 7-4 are arranged to control a process component 5-A, 5-B, 5-C, 5-D according to a respective setpoint value which can be set by means of the industrial control system 1.
  • a process variable is to be construed as a measurable quantity, such as pressure, temperature or voltage, associated with a process component.
  • the exemplified industrial control system 1 of Fig. 1 further comprises a communications network N, a data communications system 11 connectable to the communications network N and which provides an interface between the industrial process 3 and an operator supervising the industrial process 3, a display device 15 and an input unit 13.
  • the data communications system 11, for example a SCADA master comprises a processor 10, and a memory 12.
  • the memory may for example be arranged in a server.
  • the communications network N may be a wireless system, a wired system or combination of a wired and wireless system.
  • the communications network N is arranged to enable data communication between the controllers 7-1, 7-2, 7-3, 7-4 and the data communications system 11.
  • a user e.g. a process operator, may select to run software on the processor 10 which allows for displaying a plurality of graphs G which dynamically present the process variable values of a respective process variable on the display device 15, as shows in the example in Fig. 2a.
  • Each graph G is associated with a specific process variable of the industrial process 3. To this end each graph can provide information concerning trends in the industrial process.
  • a plurality of graphs G are shown simultaneously on the display device 15 in a default state of the application when run on the processor 10, wherein an operator may select one of the plurality of simultaneously shown graphs G in order to enlarge or otherwise highlight the selected graph G.
  • Each graph G has a first coordinate axis X which represents the propagation of time, and a second coordinate axis Y orthogonal to the first coordinate axis X, which second coordinate axis Y
  • each graph G is depicted at a time ti thus depicting the evolution in time of the therewith associated process variable.
  • an event E has occurred prior to the time ti, which is visually indicated in the graph Gl for example by
  • the graphs G are dynamic and may hence provide updated process variable values essentially in real-time.
  • a process variable value is received by the industrial control system 1, e.g. by the processor 10, for each of a plurality of process variables associated with the industrial process.
  • the processor 10 may in a step Sl-1 determine whether a process component of the industrial process is subject to an event based on a received process variable value associated with the process component. For example, each process variable may be allowed to have a predetermined accepted range of values, wherein the processor 10 may determine whether process variable values received in step SI are within their respective accepted range of values. Thus, if a process component 5-A, 5-B, 5-C, 5-D of the industrial process 3 is subject to an event for example by having a process variable exhibiting values outside a predetermined allowable range, the process variable values associated with that process component provide an indication of whether an event has occurred or not.
  • each of the plurality of graphs G being displayed simultaneously on the display device 15 is updated with a
  • step SI and step S2 i.e. receiving process variable values and updating the corresponding graphs G, is continually repeated to thereby allow dynamic updating and displaying of the plurality of simultaneously displayed graphs G.
  • the step SI of updating may involve visually indicating in a graph associated with the process variable value if it is determined that the process component is subject to an event.
  • graph Gl a visual indication on the process variable value curve can be seen
  • a step S3 the data communications system 11 may receive a user selection of any graph of the plurality of displayed graphs G to enlarge the selected graph on the display device 15. If for example it has been determined that the industrial process is subject to an event, an operator may select the graph associated with the process component subject to the event to enlarge that graph on the display device, as shown in Fig. 2b. A user selection may for example be carried out by means of the input unit 13.
  • a step S4 may comprise enlarging the graph Gl in response to the user selection to thereby visualise the process variable values
  • an operator may provide an input for this purpose to the industrial control system 1, for example by means of the input unit 13.
  • the data communications unit 11 may in a step S5 receive a control command from an operator to control the process variable associated with the process component subject to the event.
  • the industrial control system 1 can thereby in a step S6 provide a control command to a controller for controlling the process component subject to the event based on the control command.
  • the operator may decide which process variables are to be displayed on the display device 15.
  • the operator may select those process variables which the operator wishes to monitor.
  • User selection may for example be provided by means of the input unit 13.
  • the industrial control system 1 may thereby receive a user selection of the plurality of process variables to be displayed on the display device 15 in the step of displaying.
  • the industrial control system 1 may, e.g. by means of the processor 10, determine the plurality of process variables to be displayed on the display device. Such determining may for example be based on trends of the process variable values of the industrial process.
  • those process variables which are associated with events, or those which are about to reach an alarm limit may automatically be selected to be displayed by means of e.g. the processor 10.
  • those process variables which are considered to be most important for the proper functioning of the industrial process may be selected by the industrial control system for displaying purposes.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

La présente invention concerne un procédé permettant de faciliter la commande d'un processus industriel (3) au moyen d'un système de commande industriel (1). Le procédé comprend les étapes consistant à recevoir (S1) une valeur variable de processus pour chacune des valeurs d'une pluralité de variables de processus associées au processus industriel (3), et à mettre à jour (S2) chacun des graphiques d'une pluralité de graphiques étant affichés simultanément sur un dispositif d'affichage avec une valeur de variable de processus correspondante, chaque graphique étant associé à une variable de processus correspondante de la pluralité de variables de processus et chaque graphique ayant un premier axe de coordonnées représentant le temps et un second axe de coordonnées orthogonal au premier axe de coordonnées représentant des valeurs de variable de processus, pour ainsi fournir des informations de valeur de variable de processus dynamique simultané des variables de processus associées à ces graphiques. La présente invention concerne également un produit de programme informatique ainsi qu'un système de commande industriel.
PCT/EP2012/059753 2012-05-24 2012-05-24 Procédé et système de commande industriel permettant de faciliter la commande d'un processus industriel WO2013174434A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/059753 WO2013174434A1 (fr) 2012-05-24 2012-05-24 Procédé et système de commande industriel permettant de faciliter la commande d'un processus industriel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/059753 WO2013174434A1 (fr) 2012-05-24 2012-05-24 Procédé et système de commande industriel permettant de faciliter la commande d'un processus industriel

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WO2013174434A1 true WO2013174434A1 (fr) 2013-11-28

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5576946A (en) * 1993-09-30 1996-11-19 Fluid Air, Inc. Icon based process design and control system
US7023440B1 (en) * 1998-09-14 2006-04-04 Fisher Rosemount Systems, Inc. Methods and apparatus for integrated display of process events and trend data
WO2009034000A1 (fr) * 2007-09-11 2009-03-19 Abb Ab Système et procédé informatique pour l'affichage automatique d'informations de processus dans un système de commande industriel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5576946A (en) * 1993-09-30 1996-11-19 Fluid Air, Inc. Icon based process design and control system
US7023440B1 (en) * 1998-09-14 2006-04-04 Fisher Rosemount Systems, Inc. Methods and apparatus for integrated display of process events and trend data
WO2009034000A1 (fr) * 2007-09-11 2009-03-19 Abb Ab Système et procédé informatique pour l'affichage automatique d'informations de processus dans un système de commande industriel

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