JPH09160637A - Plant operation supporting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the burdens of an operator by changing the display of the operation part of a polygonal trend relating to the part corresponding to an operation of an indicated tree structure by the indication of the part corresponding to the operation of the tree structure. SOLUTION: A tree structure data generation means 12 inputs symbolized trend data from a polyghonal trend generation means 11 and the entire target and generates tree structure data. A relating means 13 prepares relation information for which the polygonal trend data and the tree structure data are related and stores it in a memory 14. A display control means 15 reads the tree structure data and the polygonal trend data from the memory 14, displays them at a display 16, also changes the display of the part corresponding to the operation of the tree structure indicated by an indication means 17 and changes the display of the operation part of the polygonal trend relating to the part by the relation information of the memory 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plant operation support device capable of reducing the burden on an operator.

[0002]

2. Description of the Related Art Conventionally, when an operator decides an operation for a plant, judgment is made based on a process trend and a plant diagram displayed on a screen of an operator console. However, there are many cases where the operator cannot determine the operation to be performed by using only this information. Even if the operation can be decided, it often takes too much time and misses the operation timing. Therefore, in addition to the above-mentioned judgment items, it is required that the operator present information that allows the operator to easily determine the operation of the plant. So, with the past line trend of the plant,
Operation points are added and displayed on this polygonal line trend to reduce the burden on the operator.

[0003]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to realize a plant operation support device capable of presenting appropriate guidance to an operator and reducing the burden on the operator.

[0004]

The present invention is a plant operation support device for displaying on a display means a tree structure consisting of an overall target, a sub-target and an operation, and a polygonal line trend indicating the operation location. And a storage means for storing the line trend data, the operation information of the line trend, and the related information for associating the operation information of the tree structure with the operation portion information of the line trend, and the part corresponding to the operation of the tree structure. Display information is controlled by the instruction means for instructing, the tree structure data of the storage means, the broken line trend data, and the operation location information, and the related information of the storage means of the location corresponding to the operation of the tree structure instructed by the instruction means. And display control means for changing the display of the operation portion of the polygonal line trend according to.

Further, there is provided a plant operation support device for displaying on a display means a tree structure consisting of an overall goal, sub-goals and operations, a broken line trend showing an operation location, at least one of a historical message or a plant diagram, and
Tree structure data, line trend data, operation point information of the line trend, at least one of the historical message data or plant diagram data, and storage means for storing related information to associate each,
Instructing means for instructing a location corresponding to the operation of the tree structure, tree structure data of the storage means, broken line trend data, operation location information and at least one of the historical message data or plant diagram data to control the display, Display control means for changing the display of each corresponding part according to the related information of the storage part of the part corresponding to the operation of the tree structure instructed by the instructing part.

[0006]

In the present invention as described above, the instructing means indicates the location corresponding to the operation of the tree structure. As a result, the display control means changes the display of the operation portion of the broken line trend related to the portion corresponding to the operation of the instructed tree structure. Further, the instruction means indicates the location corresponding to the operation of the tree structure. As a result, the display control unit changes the display of the operation position of the line trend related to the operation corresponding to the instructed tree structure, at least the applicable position of the historical message or the plant diagram.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram showing one embodiment of the present invention. In the figure, 11 is a polygonal line trend generation means, which inputs trend data to generate polygonal line trend data and operation point information, and also corresponds to symbolized trend data (for example, a trend increase / decrease section or the like). increase",
(Data consisting of symbols representing "decrease", "steady state", etc.) is generated. Here, the operation location information is information on the location corresponding to the operation of the broken line trend. The symbolized trend data also includes a quantitative value (for example, a quantitative value “17” when “steady”).

Reference numeral 12 denotes a tree structure data generating means, which inputs the symbolized trend data from the polygonal line trend generating means 11 and the overall target corresponding to the symbolized trend data to generate tree structure data. Here, the tree structure data is data having a tree structure of the overall target, the sub-target, and the operation information, and is formed in the form as shown in FIG. Reference numeral 13 is an associating unit that creates related information by associating the polygonal line trend data generated by the polygonal line trend generating unit 11 with the tree structure data generated by the tree structure data generating unit 12, and stores the related information in the memory 14 as a storage unit. . The memory 14 stores the polygonal line trend data from the polygonal line trend generating means 11, the operation location information, and the tree structure data from the tree structure data generating means 12.

Reference numeral 15 is a display control means for reading the tree structure data and the broken line trend data from the memory 14 and displaying them on a display 16 which is a display means, and of the tree structure which is instructed by an instruction means 17 such as a mouse. While changing the display of the part corresponding to the operation,
Based on the related information in the memory 14, the display of the operation portion of the line trend related to this portion is changed.

The specific structure will be described below. FIG. 3 is a diagram showing the configuration of the tree structure data generation means 12. In the figure, reference numeral 120 denotes a database, which stores steady-state value knowledge indicating a relationship between a process variable and a steady state, equipment configuration knowledge indicating a plant equipment configuration, and causal relationship knowledge indicating a qualitative causal relationship of the plant. There is.

Reference numeral 121 denotes a steady-state extraction means, which inputs the symbolized trend data from the broken line trend generation means 11,
Extract steady state. 122 is a time expansion means, which inputs the steady state from the steady state extraction means 121 and uses the steady value knowledge of the database 120 to generate a sub-goal.
Reference numeral 123 denotes a spatial expansion means, which inputs the sub-goals from the temporal expansion means 122, decomposes the sub-goals into processes based on the equipment configuration knowledge of the database 120, and sub-goals and the database 12.
The operation information is obtained using the constant value knowledge of 0 and the causal relationship knowledge.

FIG. 4 is a diagram showing the structure of the associating means 13. In the figure, 131 is an integrating means, which inputs the symbolized trend data corresponding to the operation point information between the sub-targets, that is, the symbolized data from the polygonal line trend generation means 11, and collects the same symbolized data of the same process variable. . Reference numeral 132 is a linking means for inputting operation information for achieving the sub-goal generated by the tree structure data generating means 12,
The output of the integration unit 131 is input, these are compared, and related information that associates these is created and stored in the memory 14.

The operation of such a device will be described below.
FIG. 5 is a diagram showing a display example of the display 16, (Example 1) is a diagram when a portion corresponding to an operation is designated, and (Example 2) is a diagram when a sub-target is designated. Here, the structured information refers to a tree structure. The polygonal line trend generation means 11 inputs trend data, generates polygonal line trend data, operation point information, and symbolized trend data, and stores the polygonal line trend data and operation point information in the memory 14. For example, the trend data shown in FIG. 6 is input and the polygonal trend data shown in FIG. 7 is created. Then, a portion where the broken line trend data has an inclination of a predetermined value or more (for example, a shaded portion shown in FIG. 8)
Is the operation location information. 6 to 8, (a) is the reflux amount (PV), (b) is the upper temperature (PV), (c) is the steam amount (PV), and (d) is the separator internal pressure (M).
V) and (e) are feed amounts (PV). However, PV
Is the process amount, and MV is the operation amount.

Then, the tree structure data generating means 12
Inputs the symbolized trend data generated by the polygonal line trend generation means 11 and the overall target corresponding to the symbolized trend data, generates tree structure data, and stores the data in the memory 1.
4 is stored. The associating unit 13 creates associated information that associates the polygonal line trend data generated by the polygonal line trend generating unit 11 and the tree structure data generated by the tree structure data generating unit 12, and stores the related information in the memory 14.
The display control unit 15 reads the line trend data, the tree structure data, and the operation point information from the memory 14 and displays them on the display 16. Then, when the operator designates the portion corresponding to the operation of the tree structure displayed on the display 16 by the instruction means 17, the operation portion of the related polygonal line trend is highlighted (darkly shaded) by the related information of the memory 14 ( FIG. 5 (example 1)). Further, when the operator instructs the sub-target of the tree structure data displayed on the display 16 by the instructing means 17, the corresponding sub-target of the line trend data is highlighted (shaded) (FIG. 5 (example 2)). .

As described above, since the tree structure and the broken line trend can be displayed in association with each other, the operator can easily judge whether the presented operation information is correct or not, and the operator's burden can be reduced. it can.

The detailed operations of the tree structure data generating means 12 and the associating means 13 will be described below. Tree structure data generation means 12 Steady state extraction means 121 inputs symbolized trend data and extracts the steady state of symbol data. Using this extracted steady state, the temporal expansion means 122 creates the sub-goal using the steady value knowledge of the database 120.
For example, the steady state knowledge shown in FIG. 9 is used to determine what the steady state is based on the value of the process variable. That is, the process variable name "FI201" is "17"
In the case of, the steady state is “75%”. This creates a sub-goal and creates the tree structure shown in FIG.

The spatial expansion means 123 inputs the sub-goals from the temporal expansion means 122 and decomposes the sub-goals into processes based on the equipment configuration knowledge of the database 120. For example,
Based on the equipment configuration knowledge shown in FIG. 11, the sub-target is decomposed into the thermal decomposition step and the separation step 1, and the tree structure shown in FIG. 12 is created. Then, the spatial expansion means 123
Using the steady-state knowledge of the database 120 and the sub-goals, process variables that need to be operated are obtained and operation information is created. Other operation information is created based on this operation information and the qualitative causal relationship knowledge. For example, the qualitative causal relationship knowledge shown in FIG. 13 is used to create the tree structure shown in FIG. Here, in FIG. 14, SV represents a set amount, and arrows represent “up” and “down” as symbolized data. By the above operation, the tree structure shown in FIG. 2 is formed.

Associating Means 13 FIG. 15 is a diagram for explaining the operation of the associating means 13.
The integration unit 131 inputs the symbolized trend data corresponding to the operation point information between the sub-targets, that is, the symbolized data from the line trend generation unit 11, and integrates the same symbolized data of the same process variable. And link means 1
32 inputs the operation information for achieving the sub-goal generated by the tree structure data generating means 12, inputs the output of the integrating means 131, compares them, and creates related information in which these are associated, and the memory 14 To store.

Next, another embodiment will be described. FIG. 16 is a block diagram showing another embodiment of the present invention. In the figure, 2
1 is a trend database (hereinafter abbreviated as trend DB)
Stores the trend data obtained during plant operation. Reference numeral 22 is a historical message database (hereinafter abbreviated as historical message DB), which stores historical messages obtained during plant operation. 23
Is a plant diagram database (hereinafter abbreviated as plant diagram DB), which stores a plant diagram of a target plant.

Reference numeral 24 denotes a planning means, which inputs an overall target specified by an operator and constraint conditions (time, target series of plant, unit name of plant, etc.), and DB21 ...
In addition to retrieving trend data, historical messages, and plant diagrams in 23 through a computer network, tree structure data and line trend data are created and associated information is created, and the search result and the related information are stored in a storage means. It is stored in a certain memory 25. Reference numeral 26 is a display control means for reading the tree structure data, the broken line trend data, the historical message and the plant diagram from the memory 25 and displaying them on the display 27 which is a display means. Then, while changing the display of the portion corresponding to the operation of the tree structure instructed by the instructing means 28 such as a mouse, the operation information of the line trend and the historical message related to this portion are changed by the related information of the memory 25. Change the display of the message corresponding part and the corresponding part of the plant diagram.

The specific structure will be described below. FIG.
7 is a diagram showing the configuration of the planning means 24. In the figure, reference numeral 241 is an information retrieval processing means, which inputs the overall target and constraint conditions, retrieves trend data from the trend DB 21, retrieves historical messages from the historical message DB 22, and retrieves plant diagrams from the plant diagram DB 23. Then, the trend data is used to generate polygonal line trend data and operation point information, as well as symbolized trend data.

Reference numeral 242 denotes a tree structure data generation means, which inputs the symbolized trend data and the overall target from the information retrieval processing means 241 and generates tree structure data. 243
Is an associating means, which includes the line trend data generated by the information search processing means 241, operation location information thereof, tree structure data generated by the tree structure generation means 242, operation information thereof, a historical message, and a plant diagram. The related information input and associated is created, and each data and the related information are stored in the memory 25. Here, the related information is link information of each data as shown in FIG.

FIG. 19 is a diagram showing a concrete configuration of the information retrieval processing means 241. In the figure, 241a is a trend data search means, which searches trend data from the trend data DB 21 according to the overall goal and the constraint conditions. 2
Reference numeral 41b is a historical message search means, which is a historical message DB 22 depending on the period of the trend data obtained by the trend data search means 241a and constraint conditions.
Search for historical messages from. Reference numeral 241c is a plant diagram retrieval means, which retrieves a plant diagram from the plant diagram DB 23 according to the constraint condition in which the target series and unit name are described. Reference numeral 241d is a polygonal line trend generation means, which inputs trend data from the trend data search means 241a to generate polygonal line trend data and operation point information, and also generate symbolized trend data.

The operation of such an apparatus will be described. FIG.
FIG. 6 is a diagram showing a display example of the display 27. Here, P & ID refers to a plant diagram. The operator inputs the overall goal and the constraint conditions into the planning means 24. The planning means 24 retrieves the trend data, the historical message, and the plant diagram in the DBs 21 to 23 via the computer network, creates the tree structure data and the broken line trend data, and creates the related information by associating them with each other, and the search result. Memory 25 and related information
To be stored. Then, the display control means 26 uses the memory 25.
From the line trend data, tree structure data,
The operation location information, the historical message, and the plant diagram data are read and displayed on the display 27.
Then, when the operator designates the location corresponding to the operation of the tree structure displayed on the display 27 by the instructing means 28, the operation location of the related line trend, the relevant location of the historical message, the plant diagram, based on the related information in the memory 25. Is highlighted (darkly shaded)
Is done. This state is the state shown in FIG.

Since the tree structure, the broken line trend, the historical message, and the plant diagram can be displayed in association with each other in this way, it becomes easy for the operator to judge whether the presented operation information is correct or not, and The burden can be reduced. In addition, the planning means 2 is provided by giving the overall goal and the constraint condition.
4 retrieves appropriate information from the database to generate a line trend and a tree structure, and also creates related information of data, so that the operator can easily obtain the necessary information in a related manner.

The detailed operation of the planning means 24 will be described below. The information retrieval processing means 241 inputs the overall target and the constraint conditions, retrieves trend data from the trend DB 21, retrieves historical messages from the historical message DB 22, and plant diagram DB 23.
Search for plant diagrams. Then, from the trend data, polygonal line trend data and operation point information are generated, and symbolized trend data is also generated. Then, the tree structure data generating means 242 is the information search processing means 24.
Input the symbolized trend data from 1 and the overall goal and generate tree structure data. Here, the tree structure data generation means 242 performs the same operation as the device of FIG. Then, the associating unit 243, the polygonal line trend data generated by the information search / processing unit 241, the operation location information thereof, the tree structure data generated by the tree structure generating unit 242, the operation information thereof, and the historical message,
Enter the plant diagram and create the related information
The data and related information are stored in the memory 25. Here, the operation of associating the operation point information of the polygonal line trend data with the operation information of the tree structure data is the same as that of the device of FIG. Then, based on the process variable and the operation timing of the operation point information, the operation information of the tree structure data and the operation point information of the broken line trend data are associated with the historical message and the plant diagram to create related information.

The detailed operation of the information retrieval processing means 241 will be described below. The trend data is retrieved from the trend data DB 21 according to the overall goal and constraints entered by the operator. The historical message searching unit 241b searches the historical message DB 22 for a historical message according to the period of the trend data obtained by the trend data searching unit 241a and the constraint condition. According to the constraint condition in which the target series and the unit name are described, the plant diagram search means 241c determines that the plant diagram DB
23 to retrieve the plant diagram. Then, the broken line trend generation means 241d is used by the trend data search means 241.
The trend data is input from a to generate broken line trend data and operation point information, and also generate symbolized trend data.

The present invention is not limited to this, and may have the following configurations. In the embodiment, the tree structure data generating means 12 is shown as inputting symbolized trend data from the line trend data generating means 11, but even if the tree structure data generating means 12 creates symbolized trend data from trend data. Good. Although the display change of the corresponding part of the line trend corresponding to the part designated in the tree structure is highlighted, the color of the line trend of the corresponding part may be changed, or the arrow display or blinking display may be used. . In other words, it suffices to clarify the location of the line trend corresponding to the location designated in the tree structure.

In the database 120 of the tree structure data generating means 12, operating conditions (for example, thermal decomposition step: constant outlet temperature, separation step 1: constant column pressure, constant column temperature, etc.) are added to obtain qualitative causal knowledge. The present invention also includes a configuration for creating operation information by using the operation information. A configuration may be employed in which a database for storing the current steady state knowledge of the plant, the equipment configuration knowledge, and the qualitative causal relationship knowledge is provided, and compared with the contents of the database 120. In the device of FIG. 16, an example of displaying all the operation points of the tree structure, the operation points of the line trend, the relevant points of the historical message, and the relevant points of the plant diagram is shown, but the historical message or the plant diagram is missing. The configuration is also included in the present invention.

[0030]

According to the first and second aspects of the present invention, since the tree structure and the broken line trend can be displayed in association with each other, the operator can easily judge whether the presented operation information is correct, and the operator can This has the effect of reducing the burden on the user. According to claim 3, since the tree structure, the line trend, the historical message, and the plant diagram can be displayed in association with each other,
The operator can easily determine whether the presented operation information is correct, and the operator's burden can be reduced.

According to the fourth aspect, by giving the overall goal and the constraint condition, the planning means takes out appropriate information from the database to generate a line trend and a tree structure, and at the same time, creates related information of data. , The operator can easily obtain the information he or she needs in a related manner.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing one embodiment of the present invention.

FIG. 2 is a diagram showing an example of a tree structure.

FIG. 3 is a diagram showing a configuration of a tree structure data generation means 12.

FIG. 4 is a diagram showing a configuration of an associating unit 13.

FIG. 5 is a diagram showing a display example of a display 16.

FIG. 6 is a diagram showing an example of trend data.

FIG. 7 is a diagram showing an example of polygonal line trend data.

FIG. 8 is a diagram showing an example of operation location information.

FIG. 9 is a diagram showing an example of stationary value knowledge.

FIG. 10 is a diagram showing an example of a tree structure.

FIG. 11 is a diagram showing an example of equipment configuration knowledge.

FIG. 12 is a diagram showing an example of a tree structure.

FIG. 13 is a diagram showing an example of qualitative causal relationship knowledge.

FIG. 14 is a diagram showing an example of a tree structure.

FIG. 15 is a diagram for explaining the operation of associating means 13.

FIG. 16 is a configuration diagram showing another embodiment of the present invention.

FIG. 17 is a diagram showing a specific configuration of planning means 24.

FIG. 18 is a diagram showing an example of related information.

FIG. 19 is a diagram showing a specific configuration of information retrieval processing means 241.

20 is a diagram showing a display example of the display 27. FIG.

[Explanation of symbols]

 11 Line Trend Data Generation Means 12 Tree Structure Data Generation Means 13 Association Means 14, 25 Memories 15, 26 Display Control Means 16, 27 Displays 17, 28 Indication Means 21 Trend Data DB 22 Historical Message DB 23 Plant Diagram DB 24 Planning Means

Claims (4)

[Claims] 1. A plant operation support device for displaying, on a display means, a tree structure consisting of an overall target, sub-targets, and an operation, and a polygonal line trend indicating an operation point, the tree structure data, the polygonal line trend data, and the polygonal line. Storage means for storing trend operation point information and related information for associating the tree structure operation information with the broken line trend operation point information; instruction means for instructing a location corresponding to the tree structure operation; The display control is performed by the tree structure data of the means, the line trend data, and the operation point information, and the operation point of the line trend is determined by the related information of the storage section of the section corresponding to the operation of the tree structure instructed by the instruction section. A plant operation support device comprising: a display control unit that changes a display. 2. A tree to be stored in the storage means by a polygonal line trend generation means for generating the polygonal line trend data to be stored in the storage means and operation point information from the trend data, and the overall target of the trend data and the trend data. A tree structure data creating unit that creates structure data; and an associating unit that creates related information that associates the operation point information of the line trend with the operation information of the tree structure data and stores the related information in the storage unit. The plant operation support device according to claim 1. 3. A tree structure comprising an overall target, sub-targets and operations, a broken line trend indicating operation points, and at least one of a historical message or a plant diagram and a plant operation support device for displaying on a display means. Data, line trend data, line segment operation point information, at least one of historical message data or plant diagram data, and storage means for storing related information, and a point corresponding to the operation of the tree structure And a tree structure data instructed by the instructing means, the tree structure data in the storage means, the broken line trend data, the operation point information, and at least one of the historical message data or the plant diagram data. Corresponding to the operation of A plant operation support device, comprising: display control means for changing the display of each corresponding location according to related information of the storage means of the relevant location. 4. A trend data database for storing trend data, at least one of a historical message database for storing historical messages or a plant diagram database for storing plant diagrams, and an overall goal by inputting overall goals and constraints. The trend data database, at least one of the historical message database or the plant diagram database is searched according to a constraint condition, and tree structure data, polygonal line trend data, and operation point information of the polygonal line trend are created, and at least historical message data or 4. The plant operation according to claim 3, further comprising: planning means for storing one of the plant diagram data and related information for associating each of them with the storage means. Support device.