WO2010121671A1 - Procédé pour l'affichage de la configuration et de l'état d'un atelier - Google Patents

Procédé pour l'affichage de la configuration et de l'état d'un atelier Download PDF

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Publication number
WO2010121671A1
WO2010121671A1 PCT/EP2009/058133 EP2009058133W WO2010121671A1 WO 2010121671 A1 WO2010121671 A1 WO 2010121671A1 EP 2009058133 W EP2009058133 W EP 2009058133W WO 2010121671 A1 WO2010121671 A1 WO 2010121671A1
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WIPO (PCT)
Prior art keywords
picture
data
layer
data layer
parts
Prior art date
Application number
PCT/EP2009/058133
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English (en)
Inventor
Christine Mikkelsen
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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.)
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Publication date
Application filed by Abb Research Ltd filed Critical Abb Research Ltd
Publication of WO2010121671A1 publication Critical patent/WO2010121671A1/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
    • 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
    • G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
    • G05B23/0267—Fault communication, e.g. human machine interface [HMI]
    • G05B23/0272—Presentation of monitored results, e.g. selection of status reports to be displayed; Filtering information to the user

Definitions

  • the invention relates generally to the field of supervision and monitoring of technical systems or processes, such as an electrical power generation, transmission and/or distribution system or process, and in particular to graphical tools for such supervision.
  • a supervisory control system which in the art is also known under the term SCADA (Supervisory Control and Data Acquisition) system.
  • SCADA Supervisory Control and Data Acquisition
  • a supervisory control system typically comprises processing means to process the information coming from and going to the system interface units, data storing means to store measurements as well as data generated from the processing of measurements, such as alarms, statistical calculations etc.
  • the supervisory control system further comprises human-machine interface in the form of at least one operator terminals and communication means for signal transmission from and to the system interface units and for data transmission between the processing means, the data storing means and the human- machine interface.
  • the operator terminal comprises one or several display units showing different parts and data of the technical system. It is inevitable that for large technical systems, such as a power network, a huge amount of data is available to be displayed and needs to be monitored by an operator. A problem in that respect is how to best present the data as visual information to the operator.
  • an overview picture of the technical system shown in the display unit, represents valuable information.
  • the overview picture presents a graphical representation of the system as a whole and comprises besides that only the most essential information. However, more information is usually needed in order for the operator to understand the current situation of the system and in order to take appropriate decisions.
  • so called system or process pictures are further available for displaying in the display unit, wherein the system pictures contain different graphical or textual representations of the measured and processed system data, such as the measurement values themselves, calculations and alarms. If all such system data would be visible at the same time, the output on the display unit would be too cluttered. In addition, the operator is usually interested only in a particular subset of the system data at a time, depending on the situation of the system. Theoretically a lot of the visual information could therefore be omitted without affecting the supervision efficiency. On the other hand, since it is essential that no important information is missed, there is a constant strive to improve the way of generating graphical representations of the system data in order to facilitate the task of supervision.
  • Measurement data taken from the distribution network is received from sensor units by a computer system, and the measurement data is processed in the computer system to generate information indicative of movement of fluid in the fluid distribution network.
  • the information can be displayed on a geographic map. Further, detailed information about a particular location in the map, such as longitude and latitude, is displayed in a separate window and simultaneously with the window of the geographic map, when the user clicks on that particular location.
  • a method for supervising a technical system comprises the steps of: retrieving a set of system data which represent a status and/or a configuration of the technical system to be supervised; outputting on a display unit of an operator terminal a first picture showing a part of the set of system data; generating at least a first and a second type of graphical information from the set of system data; associating a first data layer with the first type of graphical information and a second data layer with the second type of graphical information; receiving from a user input unit of the operator terminal a first selection signal indicating if the first and/or said second data layer, or parts thereof, is to be output on the display unit; generating a second picture as an integration of the graphical information corresponding to the selected data layer or layers or selected part thereof and the first picture; and outputting the second picture on the display unit.
  • an improved way of obtaining relevant information is provided in that selectable layers of data or parts of these layers can be shown to an operator supervising the technical system. Further, since the first picture remains visible and additional layers are integrated into it, it is ensured that the desired detailed information is shown while an overview is maintained.
  • the method comprises the further steps of: receiving from the user input unit a second selection signal indicative of if the first or the second data layer or parts thereof is to be removed from the second picture; and generating a third picture by removing the graphical information corresponding to the selected data layer from the second picture and outputting the third picture on the display unit.
  • a first location signal indicating where in the first picture the first or the second data layer is to be shown is received from the user input unit.
  • the second picture is then generated by integrating, into the first picture, the graphical information corresponding to the selected data layer at the desired location. The operator may thus choose where the data layer is to be shown, which is beneficial in many situations.
  • one or more subparts of the selected data layer are integrated into the second picture.
  • the subparts comprise parts of the selected data layer corresponding to the desired location.
  • the output picture is made very foreseeable, comprising only details necessary for the current situation. For example, only parts of a data layer relevant for a particular location may be illustrated.
  • the first and/or the second data layer comprises predefined modes, the predefined modes in turn comprising two or more data layers.
  • the graphical information is visualized by changing a font colour thereof. An additional aid for the operator supervising the technical system is thereby provided.
  • an operator terminal a supervisory control system and computer program products performing the method steps are provided.
  • Figure 1 illustrates a supervisory control system in accordance with the present invention.
  • Figure 2 illustrates a user terminal in accordance with the present invention.
  • Figure 3 illustrates a picture of visual information in accordance with the present invention.
  • Figure 4 illustrates another picture of visual information in accordance with the present invention.
  • Figure 5 illustrates a flow chart over steps of a method in accordance with the present invention.
  • FIG. 1 schematically shows a supervisory control system 10 in accordance with the present invention.
  • the supervisory control system 10 is in an embodiment of the invention an object based computerized system for controlling a technical system or part of a technical system.
  • the technical system may for example be an electrical power generation, transmission and distribution system.
  • An electrical power generation, transmission and/or distribution system is in the following denoted a power network.
  • Other examples of technical systems to be supervised, and which may benefit from the present invention comprises water purification and distribution systems, oil and gas production and distribution systems, other petrochemical, chemical, pharmaceutical or food processing systems, as well as a pulp and paper production systems.
  • the technical system may be supervised and monitored through an operator terminal, which communicates with a control server handling monitoring and control of the process.
  • a control server handling monitoring and control of the process.
  • One preferred field within which the present invention is to be implemented is in the supervision of a power network.
  • the supervisory control system 10 comprises two operator terminals 12 and 14 connected to a first communication bus Bl. There is furthermore a second communication bus B2 and between the first and second communication busses there are connected a first server 16 providing control of the technical system 21, a second server 17 providing monitoring of the technical system 21 and a database 18 wherein data relating to control and/or monitoring of the technical system as well as data representing the configuration of the technical system 21 is stored. All such data is in the following also denoted system data.
  • the first server 16 may therefore be considered as a part of a control system, while the second server 17 may be considered as a part of a monitoring system.
  • system interface units 20, 22, 24 and 26 connected to the technical system 21, here exemplified by a power network comprising a power line 28.
  • the system interface units 20, 22, 24, 26 may be considered as being a part of the technical system 21, or simply interfaces connecting the technical system 21 to the supervisory system 10 and thus constituting neither part of the supervisory system 10 nor the technical system 21. It is noted that some of these system interface units 20, 22, 24, 26 may be provided only for control purposes, some only for measurement purposes and some for both control and measurement purposes. Such system interface units 20, 22, 24, 26 are thus involved in controlling the power network 21 or measuring properties of the power network 21.
  • System interface units 20, 22, 24, 26 may include elements directed towards measuring for example currents and/or voltages and power measurement elements such as current transformers and voltage transformers, as well as elements directed towards control operation like circuit breakers, relays, power semiconductor switches and tap changers. These are just a few of several different possible types of elements that can be provided in the system interface units 20, 22, 24, 26 of the power network 21.
  • the first server 16 receives measurements of the technical system 21 via the system interface units 20, 22, 24, 26 and controls the technical system 21 via the system interface units 20, 22, 24, 26 based on these measurements.
  • the first server 16 also preferably stores historical process control data in the data base 18.
  • the second server 17 receives measurements via the system interface units 20, 22, 24, 26 as well as status data concerning the operation of system interface units 20, 22, 24, 26 and is also able to generate alarm and event data that may be presented to the operator via the operator terminals 12 and 14.
  • the second server can also shut down parts of or the entire technical system 21. Alarm and event data may also be stored in the database 18.
  • a so called Network Manager system developed by and available from ABB, runs on the supervisory control system 10, which belongs to the group of SCADA (Supervisory Control And Data Acquisition) systems.
  • the Network Manager system is particularly suitable for the supervision and control of power networks or gas systems.
  • the operator terminals 12 and 14 in the supervisory control system 10 each provide a user interface to the Network Manager system. In the following, the details of such an operator terminal are explained based on the exemplifying operator terminal 12, shown in figure 2.
  • the operator terminal 12 comprises a user input unit 32, a display unit 34, a control unit 30 and an interface 36 for communicating with the supervisory control system 10 via the first bus Bl.
  • the operator terminal 12, 14 provides a graphical user interface for the operator of the supervisory control system 10.
  • the control unit 30 may for example be a processor with an associated program memory including program code for performing the functionality of the present invention.
  • the control unit 30 may alternatively comprise means 35 for performing the functionality of the present invention, for example processing means, software, firmware, hardware or any combination thereof for performing the steps of a method in accordance with the invention.
  • the user input unit 32 is a unit through which the user of the operator terminal 12 may enter data. As such it may be a keyboard, a keypad or a mouse. It may alternatively be combined with the display unit 34 in order to form a touch screen.
  • the operator terminal 12 may also comprise other user interfaces such as a loudspeaker or a microphone in order to present and receive data to and from one or more users of the operator terminal 12, 14 in other ways than through the display and keyboard.
  • the operator terminal 12, 14 in the supervisory control system 10 is only one example of a computer in which the present invention may be realized. It is further noted that the above described layout of supervisory control system is an exemplifying layout. For example, the number of communication buses could be another than the exemplifying two, the first and second servers could be integrated into a single server or yet additional servers could be provided, etc.
  • the control unit 30 fetches or retrieves from the database 18 of the supervisory control system 10 a set of system data representing a status and/or a configuration of the technical system 21.
  • Status data may for example comprise measurement values, calculation results and alarm or event information.
  • Configuration data may comprise data relating to objects and devices in the power network 21 and their physical interconnection.
  • the set of system data is divided into different types of graphical information.
  • a first type of graphical information is all the physical units of measurements, such as V (Volt), A (Ampere) or W (Watt) .
  • a second type could be the lines, including power lines and other electrical lines as well as signal connection lines.
  • a third and fourth type is the graphical representation of all breakers or isolators, respectively.
  • a fifth type may be the measurement values themselves, i.e. the numbers, and the sixth type can be alarm limits.
  • a first picture 40 is shown which picture is output on the display unit 34 by the control unit 30.
  • the first picture 40 shows a schematic view of a substation named Troy Station and measurement values, calculations and alarm data relating to this substation.
  • the substation is part of the power network 21 to be supervised. Accordingly, the first picture 40 shows a part of the set of system data, and it gives an overview of the connections and relationships between different physical objects within the substation as well as of the situation in the substation.
  • Physical objects within the substation comprise for example power lines A, B, C, D, E, transformers, breakers and isolators .
  • each type of graphical information is associated with a corresponding data layer which is made selectable.
  • the selection may for example be done by providing an appropriate selection menu or by allowing the user to click on an object in the first picture 40 wherein the object belongs to or represents one of the layers .
  • alarm limits i.e. about the limits which a measurement value or a calculated value has to exceed before an alarm is generated. This is valuable information for the operator in order to see how close a measurement is from causing an alarm. If all alarm limits would be visualized in the first picture 40, the picture would in most cases get too cluttered. In accordance with an embodiment of the invention, alarm limits, and preferably selected ones, are therefore shown only upon request by the operator .
  • Figure 4 illustrates a second picture 50 showing an integration of the first picture 40 and further pictures.
  • the alarm limits may add an "alarm limit layer" to the first picture 40.
  • a picture 41 showing a subpart 42 of such an alarm limit layer is illustrated as being integrated with the first picture 40.
  • selective ones of the alarm limits are preferably shown with a suitable graphical representation.
  • a data layer denoted “measurement layer” may be created comprising measurement values. That is, the data layer “measurement layer” is associated with actual measurement values.
  • a data layer denoted “Breakers” may be created comprising all the circuit breakers of the technical system 21. The data layer “Breakers” is thus associated with the circuit breakers.
  • a data layer denoted “Stations” may be created comprising all power stations of the technical system 21. The data layer “Stations” is thus associated with all the power stations of the technical system 21. In most cases only a part of the different data layers is of interest at a particular point of time, for example a certain breaker or a certain station. Therefore, only part of the respective data layers is preferably output on the display.
  • the operator may further choose where in the first picture 40 he wants the "alarm limit layer" to appear, i.e. where the first picture 41 showing a subpart 42 of the alarm limit layer should be placed.
  • the entire available alarm limit layer i.e. only selective ones of the alarm limits, is integrated into the first picture 40 and output as the picture 41 on the display unit 34.
  • the subpart of the alarm limit layer contains graphical information corresponding only to the location selected by the operator. In the illustrated case only the part of the alarm limit layer related to alarms limits between Troy station and Bowman 1 are shown.
  • more than one area or location can be selected by the operator, and accordingly, more than one subpart of the data layer (the alarm limit layer) is integrated into the first picture 40 and output as a picture 41 on the display unit 34.
  • the operator may perform the following two interaction steps:
  • the operator selects, in a suitable manner, one or several areas or locations where he wants to add a layer or multiple layers.
  • the selection may for example be performed by clicking on the several areas or locations of the picture 40 by means of an input device, for example a pointing device such as a computer mouse.
  • the selection may be performed by surrounding the desired area(s) by means of an encircling tool.
  • the operator may use a button on a computer mouse to indicate one spot on the display unit, keep the button pressed while moving the computer mouse cursor. A rectangle surrounding the selected area will then be visible, and the operator releases the button at a diagonal corner of the created rectangle. The desired area is thus selected. It is noted that numerous other ways to select a desired area are conceivable.
  • the Troy station is illustrated as well as all stations that are connected to the Troy station. If the operator wishes to see the part of the alarm limit layer 41 relevant for the connection, i.e. power line, between Troy station and the station Bowmanl, he makes the selection for example by clicking on square 44 by means of a computer mouse. Thereby the corresponding alarm limit layer 41 comprising the alarm limits relevant for the connection, i.e. power line, between Troy station and the station Bowmanl is shown.
  • the user selects from a list of layers 43, the list being shown in a third picture 45, one or several layers that he wants to visualize on or in the vicinity of the selected locations.
  • the user may choose between the following exemplifying layers: units, lines, breakers, isolators, stations, measurements and alarm limits. It is realized that numerous other layers may be implemented and chosen from.
  • the layer or layers chosen in the second step will be added to the whole first picture 40. That is, if "alarm list layer” is chosen, then all alarm lists of the alarm list layer is shown integrated with the first picture 40.
  • steps 1 and 2 may be performed in the reverse order, i.e. selecting the desired data layers and then selecting for which locations, i.e. which parts of the selected data layers should be shown.
  • the third picture 45 the picture illustrating the list of layers 43, may comprise additional virtual "buttons" that the operator may click on.
  • the third picture 45 may for example comprise a button 46 for adding the selected layers to the first picture 40, a button 47 for clearing a selection that has been made, and/or a button 48 for showing or removing all available layers.
  • the operator terminal 12 is adapted to show the system data in some predefined modes, wherein the operator may select which one of the predefined modes that he wants to visualize. For example, during a critical situation, one first selection of layers is interesting for the user/operator, while another second selection of layers is interesting during maintenance. If the operator selects the corresponding mode, i.e. "trouble" or "maintenance", the control unit 30 may then directly output a picture containing an integration of the corresponding first or second selection of layers on the display unit 34.
  • alarm limit layers and related measurement values may be highly interesting.
  • the alarm list layer and the measurement layer thus constitute a first predefined mode, a mode for example denoted "trouble”.
  • some measurement values for circuit breakers may be relevant.
  • Layers comprising all circuit breakers of e.g. substation "Troy" as well as layers showing relevant measurement values may constitute a second predefined mode, a mode for example denoted "Maintenance of circuit breakers". It is noted that also only parts of the data layers may constitute predefined modes .
  • alarms may further be visualized by changing the font colour of a displayed measurement value to e.g. red.
  • the colour of the corresponding device is changed to e.g. red. In some situations this may be of value for the operator in order to immediately understand which actions should be taken.
  • the method 60 comprises the first step of retrieving 61 a set of system data which represent a status and/or a configuration of the technical system 21.
  • the set of system data may comprise system data, comprising for example configuration data, related to the substation "Troy Station" of the technical system 21.
  • the information is arranged, by the supervisory control system, in different layers as described earlier.
  • the step of retrieving thus typically comprises retrieving a specific layer or parts of a specific layer selected by the user.
  • the method 60 comprises the second step of outputting 62 on the display unit 34 of the operator terminal 12, 14 a first picture 40 showing a part of the set of system data.
  • the first picture 40 may comprise a schematic view of the substation "Troy Station” and measurement values, calculations and alarm data etc. relating to this substation .
  • the method 60 comprises the third step of generating 63 at least a first and a second type of graphical information from the set of system data.
  • particular system data is associated with particular types of graphical information.
  • system data such as "measurements” can be represented as graphical information in the form of numbers
  • system data such as "circuit breakers” may be represented as graphical information in the form of circuit symbols, etc.
  • the method 60 comprises the fourth step of associating 64 a first data layer with the first type of graphical information and a second data layer with the second type of graphical information.
  • particular data layers are associated with particular graphical information.
  • a data layer "alarm limit layer” may be associated with alarm limits relevant for "Troy station” and a data layer “measurement layer” may be associated with measurement values relevant for "Troy station”.
  • the method 60 comprises the fifth step of receiving 65 from the user input unit 32 of the operator terminal 12, 14 a first selection signal indicating if the first or the second data layer or parts 42 and 49 of the first or second data layers, respectively, is to be output on the display unit
  • the operator may use a suitable user input unit 32 for accomplishing the selection, for example by clicking on the picture on the display unit 34, thereby creating the selection signal.
  • the method 60 comprises the sixth step of generating 66 a second picture 50 as an integration of the graphical information corresponding to the selected data layer or parts 42, 49 thereof and the first picture 40 and outputting the second picture 50 on the display unit 34.
  • the method 60 comprises the seventh step of outputting 67 the second picture 50 on the display unit 34. This step can be performed in any conventional manner.
  • the method may comprise yet further steps, exemplary ones of which are described in the following.
  • the method 60 may comprise the further steps of receiving from the user input unit 32 a second selection signal indicative of if the first or the second data layer or parts thereof is to be removed from the second picture 50.
  • the method 60 then comprises the step of generating a third picture by removing the graphical information corresponding to the selected data layer or parts thereof from the second picture 50 and outputting the third picture on the display unit 34. Data layers and/or parts of data layers can thus be removed as well, for example when they are no longer of interest .
  • the method 60 may also comprise the step of having a first location signal indicating where in the first picture 40 the first or second data layer is to be shown.
  • the first location signal is received from the user input unit 32 and the second picture 50 is generated by integrating, into the first picture 40, the graphical information corresponding to the selected data layer or parts 42, 49 thereof at the desired location.
  • the step of receiving 65 may, in one embodiment, comprise the substeps of: receiving a third selection signal selecting one of the first and said second data layer; and receiving a fourth selection signal indicative of which parts of the selected data layer is to be output on the display unit 34. That is, the user performs a two-click operation, first choosing type of data layer to be shown and then choosing which parts of the data layer is to be shown, i.e. for example for which objects the data layer is to be shown .
  • the method 60 may also comprise the step of saving the selections made by the user, i.e. the particular setup of layers/parts of layers visible on the display unit.
  • the saved selection then constitute a user defined mode.
  • the invention may be implemented in different technical systems.
  • the method 60 in accordance with the invention may be implemented in the supervisory control system 10 supervising such technical systems by adding suitable computer program product, for example stored on a computer readable medium such as a compact disc or floppy diskette.
  • the method of the present invention can thus be implemented as a computer program product, which is loadable into the computer of the supervisory control system 10.
  • the computer program product comprises software code portions for performing the method 60 when the product is run on the computer .
  • the system data is divided into different layers and the user or operator gets to decide, which layers he wants to see.
  • the operator may start from a first, default picture, which could be an overview picture of the whole system. He may then add additional layers in order to show more detailed information and this detailed information is integrated into the picture already present on the screen of the display unit.
  • pictures of the technical system become user defined to show only information of interest for the specific situation. Since the first picture remains visible and additional layers are integrated into it, it is ensured that the desired detailed information is shown while an overview is maintained.

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

Abstract

La présente invention concerne un procédé de surveillance d'un système technique. Le procédé comporte les étapes suivantes: extraction d'un ensemble de données système qui représentent un état et/ou une configuration du système technique à surveiller; production en sortie, sur une unité d'affichage d'un terminal d'opérateur, d'une première image montrant une partie de l'ensemble de données système; à partir de l'ensemble de données système, génération d'au moins un premier et un deuxième type d'informations graphiques; association d'une première couche de données au premier type d'information graphique et d'une deuxième couche de données au deuxième type d'information graphique; réception d'un premier signal en provenance d'une unité d'entrée utilisateur du terminal d'opérateur, lequel premier signal de sélection indique si la première et/ou la seconde couche de données ou certaines de leurs parties doit être produite en sortie sur l'unité d'affichage; génération d'une deuxième image résultant de l'intégration à la première image de l'information graphique correspondant à la couche de données choisie ou de certaines de ses parties; et enfin production en sortie de la deuxième image sur l'unité d'affichage.
PCT/EP2009/058133 2009-04-22 2009-06-29 Procédé pour l'affichage de la configuration et de l'état d'un atelier WO2010121671A1 (fr)

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EP2458467A1 (fr) * 2010-11-26 2012-05-30 ABB Research Ltd. Procédé et système permettant de superviser un système industriel
EP2541357A1 (fr) * 2011-06-30 2013-01-02 ABB Technology AG Génération de plusieurs alarmes dans un contrôle de procédé

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EP1331536A1 (fr) * 2000-10-20 2003-07-30 Daicel Chemical Industries, Ltd. Systeme de commande de centrale
WO2006103541A1 (fr) * 2005-04-01 2006-10-05 Abb Research Ltd Procede et systeme de mise en oeuvre d'une interface utilisateur
US20060294260A1 (en) * 2005-06-23 2006-12-28 Groundhog Technologies Inc. Management system and method for wireless communication network and associated user interface

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EP1331536A1 (fr) * 2000-10-20 2003-07-30 Daicel Chemical Industries, Ltd. Systeme de commande de centrale
US20030005486A1 (en) * 2001-05-29 2003-01-02 Ridolfo Charles F. Health monitoring display system for a complex plant
WO2006103541A1 (fr) * 2005-04-01 2006-10-05 Abb Research Ltd Procede et systeme de mise en oeuvre d'une interface utilisateur
US20060294260A1 (en) * 2005-06-23 2006-12-28 Groundhog Technologies Inc. Management system and method for wireless communication network and associated user interface

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2458467A1 (fr) * 2010-11-26 2012-05-30 ABB Research Ltd. Procédé et système permettant de superviser un système industriel
WO2012069562A1 (fr) * 2010-11-26 2012-05-31 Abb Research Ltd Procédé et système permettant de faciliter la commande d'un système industriel
CN103229117A (zh) * 2010-11-26 2013-07-31 Abb研究有限公司 用于促进工业系统控制的方法和系统
US8922551B2 (en) 2010-11-26 2014-12-30 Abb Research Ltd. Method and system for facilitating control of an industrial system
EP2541357A1 (fr) * 2011-06-30 2013-01-02 ABB Technology AG Génération de plusieurs alarmes dans un contrôle de procédé
WO2013004654A1 (fr) * 2011-06-30 2013-01-10 Abb Technology Ag Génération d'alarmes somme dans un système de commande de processus
CN103649860A (zh) * 2011-06-30 2014-03-19 Abb技术有限公司 在过程控制中生成综合警报
US9230422B2 (en) 2011-06-30 2016-01-05 Abb Technology Ag Generating sum alarms in process control

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