JPH06202707A - Supervisory control unit - Google Patents

Abstract

PURPOSE:To provide the supervisory a control unit which surely recognizes the plant state and simplifies the operation by adding a simple device to a conventional monitor and control device. CONSTITUTION:A control processing part 14 collects plant data and analyzes the operation and gathers the history. A data processing part 51 analyzes plant data and its operation and makes these relations into a data base. An operation deriving part 52 compares the data base with the present plant state to derive optimum operation object and manipulated variable for the next operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a supervisory control device for controlling a plant so as to have a desired movement.

[0002]

2. Description of the Related Art FIG. 9 is a block diagram showing a conventional supervisory control apparatus. In FIG. 9, reference numeral 1 is a main body of the supervisory control apparatus. In the main body 1, 11 is an overall control unit for performing overall control, 12 is a network I / F unit for performing input / output with a network 15, and 13 Is an input / output control unit. Reference numeral 131 is a display device connected to the input / output control device 13 and having a display interlocking input means such as a touch panel 131a, and 132 is a keyboard device for inputting control operations. Reference numeral 14 is a control processing unit that performs processing corresponding to the purpose of monitoring control. In the control processing unit 14, 141 is an operation history collection / display control unit that collects operation history data 141a,
Reference numeral 142 is an alarm collection display control unit that collects the alarm data 142a, 143 is a trend collection display control unit that collects the trend data 143a, and 144 is a controller operation display control unit that operates the controller data 144a. Reference numeral 2 is a plant simulator connected to the supervisory control device main body 1 via the network 15, 3 is a plant management computer, and 4 is a plant controller.

Next, the operation will be described. The plant data collected by the plant controller 4, the plant management data calculated by the plant management computer 3, and the plant simulation data generated by the plant simulator 2 are monitored and controlled via the network 15 and the network I / F unit 12. It is input to the overall control unit 11 of the main body 1. These data are processed by the control processing unit 14 according to the purpose of monitoring control, and displayed on the display device 131 via the input / output control unit 13. An operator looks at the displayed image to make a determination, and the operation is input from the touch panel 131a or the keyboard device 132. The data of this operation input is input to the overall control unit 11 via the input / output control unit 13. The data of this operation input is processed by the control processing unit 14 according to the purpose of monitoring and control, and the network I
It is transmitted to the plant controller 4, the plant management computer 3, and the plant simulator 2 via the / F unit 12 and the network 15, and the plant control parameters, management parameters, and simulation parameters are changed.

An operation history collecting function will be described as an example of processing of the control processing unit 14. When an operation is performed by the touch panel 131a or the keyboard device 132, the operation history collection / display control unit 141 collects operation data via the input / output control unit 13 and the overall control unit 11, and accumulates the operation data as operation history data 141a. This operation history data 1
41a indicates an operation history collection / display control unit 141 as necessary.
The operation history data 141a that is edited by the user and is displayed on the display device 131 via the overall control unit 11 and the input / output control unit 13 is provided to the operator.

[0005]

Since the conventional monitoring and control apparatus is configured as described above, it holds a huge amount of data on the plant status and its operation history, but it can be used effectively. There is a problem that the controllability and reliability of the plant cannot be improved.

The present invention has been made to solve the above problems, and by adding a simple device, the state of the plant can be surely grasped, and a supervisory control that can be easily operated even by a new operator. The purpose is to obtain the device.

[0007]

According to a first aspect of the present invention, there is provided a supervisory control device, which analyzes a relation between collected plant data and operation data and makes the relation a database, and a data processing unit 51 which makes the database. An operation deriving unit 52 for deriving optimum operation data indicating an optimum operation target and operation amount by comparing a database with current plant state data,
An operation command conversion unit 54 for converting the derived optimum operation data into an operation command for actually operating the plant.

According to another aspect of the present invention, the supervisory control apparatus compares the operation history data associated with the collected plant data with the current plant state data and derives optimum operation data indicating an optimum operation target and operation amount. Operation derivation unit 52
And an operation command conversion unit 54 that converts the derived optimum operation data into an operation command for actually operating the plant.
It is equipped with and.

According to the third aspect of the present invention, the supervisory control apparatus analyzes the relation between the collected plant data and the operation data, and makes the relation into a database, and the database made into the database, the present plant state. An abnormal operation analysis unit 56 for analyzing an abnormal operation by comparing with the data and the operation data, and an abnormal operation notification unit 57 for notifying the abnormal operation are provided.

According to a fourth aspect of the present invention, there is provided a supervisory control device for analyzing a relation between collected plant data and operation data and converting the relation into a database. An operation deriving unit 52 for deriving optimum next operation data indicating an optimum operation target to be operated next and an operation amount compared with the data,
The guidance display control unit 55 having a function of displaying the optimum next operation data on the display device 131 is provided.

According to a fifth aspect of the present invention, in the supervisory control device, the operation history data associated with the collected plant data is compared with the current plant state data, and the optimum operation target to be operated next and the optimum operation amount are displayed. An operation derivation unit 52 for deriving the next operation data and the display device 1 for displaying the optimum next operation data.
Guidance display control unit 55 having a function of displaying on 31
It is equipped with and.

[0012]

In the invention of claim 1, the data processing unit 51 analyzes the relation between the collected plant data and the operation data and makes the relation into a database, and the operation deriving unit 52 makes this database into a current plant state. The optimum next operation data indicating the optimum operation target to be operated next and the operation amount is derived by comparing with the data, and the guidance display control unit 55 displays the optimum next operation data on the display device 131.

In the invention of claim 2, the operation deriving section 52
Compares the operation history data associated with the collected plant data with the current plant state data to derive optimum operation data indicating an optimum operation target and operation amount, and the operation command conversion unit 54 derives this optimum operation. The data is converted into operation instructions for actually operating the plant.

In the invention of claim 3, the data processing unit 5
Reference numeral 1 analyzes the relation between the collected plant data and the operation data, and makes this relation into a database.
Analyzes the abnormal operation by comparing this database database with the current plant state data and operation data, and the abnormal operation notification unit 57 notifies this abnormal operation.

In the invention of claim 4, the data processing unit 5
Reference numeral 1 analyzes the relation between the collected plant data and operation data, and makes this relation into a database, and the operation deriving unit 52 compares this database-made database with the current plant state data, and the optimum operation to be performed next. The optimum next operation data indicating the target and the operation amount is derived, and the guidance display control unit 55 displays the optimum next operation data on the display device 131.
Display on top.

In the invention of claim 5, the operation deriving unit 52
Compares the operation history data associated with the collected plant data with the current plant state data, and derives the optimum next operation data indicating the optimum operation target and operation amount to be operated next, and the guidance display control unit 55 This optimum next operation data is displayed on the display device 131.

[0017]

【Example】

Example 1 (corresponding to claim 1). FIG. 1 is a first embodiment of the present invention.
3 is a block diagram of the monitoring control device of FIG. In FIG. 1, components corresponding to those shown in FIG. 9 are designated by the same reference numerals, and their description will be omitted. In FIG. 1, reference numeral 51 denotes a data processing unit that analyzes the relationship between the plant data collected by the control processing unit 14 and the analyzed operation data and creates a database of this relationship, and 52 represents the current database 53 that is a database 53. An operation deriving unit that derives optimum operation data indicating an optimum operation target and operation amount by comparing with the plant state data, and 54 represents the optimum operation data thus derived in the plant (plant simulator 2, plant management computer 3, plant controller 4). ) Is converted into an operation instruction for actually operating the operation instruction conversion unit.

FIG. 2 is a block diagram for explaining the configuration of the data processing unit 51 in FIG. In the data processing unit 51, the keyboard CRT operation analysis unit 511 receives from the overall control unit 11 a signal indicating what and how the operator operated an operator interface such as operation of a keyboard device or a display device. Keyboard C
When the RT operation analysis unit 511 receives the signal, the RT operation analysis unit 511 uses the data set in advance (for example, when the XXX signal is received, the data to collect the ZZZ data before the YYY time of the trend), according to the operation history collection display control unit 14.
1. Control processing unit 14 such as trend collection display control unit 143
Collect data from. This collection is performed by the condition part data collection part 513 and the conclusion part data collection part 514. In particular, the conclusion section data collection section 514 collects controller operations (operation commands to a computer or a controller connected to the network) to achieve automation of operations by skilled operators. Further, the network data collection command unit 512 can collect the states of a controller, a computer, and other monitoring control man-machine devices connected to the network and use them as data of the database 53. Further, the data collected by the condition part data collection part 513 and the conclusion part data collection part 514 are converted into an appropriate format by the database creation part 515 and stored in the database 53. Also, in the above,
The method of collecting data from the control processing unit 14 such as the operation history collection display control unit 141 and the trend collection display control unit 143 or the network data collection command unit 512 based on the preset data has been described. A method of collecting and inquiring the operator which signal is to be stored in the database 53 for each operation may be used. Further, in the case where the state change of the plant is gradual or the state can be temporarily stopped, it is possible to start the collection after inquiring the operator which signal should be collected and stored in the database 53 at each operation.

Next, the operation of the first embodiment will be described.
The first embodiment is aimed at automating a part operated by a skilled operator, which is difficult to automate such as plant startup and shutdown. To this end, the operation can be divided into two ways: (1) Skilled operator operation memory and database creation operation (2) Skilled operator operation automation operation First, the skill operator's operation memory and database creation operation of (1) will be described. First, the skilled operator looks at the plant information displayed on the display device 131 of the supervisory control device main body 1 from the plant controller 4 or the plant management computer 3 through the network 15, and then touches the touch panel 131a or the keyboard device 132 on the front surface of the display device 131. Operate the plant using input devices such as. This operation data is sent to the plant management computer 3 and the plant controller 4 through the input / output control unit 13 and the overall control unit 11 through the network I / F unit 12 as in the conventional monitoring control device of FIG. Further, operation data such as screen development is sent to a display control unit such as the alarm collection display control unit 142 and the trend collection display control unit 143. All of these operation data are sent to the operation history collection / display control unit 141. In the first embodiment, along with these operations, all operation data are sent to the data processing unit 51 through the overall control unit 11. The data processing unit 51 collects information from the respective display control units in the control processing unit 14 that can determine the plant state corresponding to the operation data sent, and stores the operation data and the plant state data at that time in the database 53 in association with each other. To do.

The storing method may be any form as long as the plant state and the operation are associated with each other. As an example, FIG. 3 shows a knowledge base type database representation method. In Figure 3,
The information A1 and A2 are the trend collection display control unit 143 of FIG.
The information B1 is obtained from the plant controller 4 and the plant management computer 3 through the network 15, and the information C1 is obtained from the operation data. Information D1
Is obtained from the operation history. In this way, the operation storage of the skilled operator and the operation of creating the database are completed.

(2) Next, the automation operation of the operation of a skilled operator will be described. This operation is performed using the database 53, the operation derivation unit 52, and the operation command conversion unit 54.
First, the operation deriving unit 52 obtains the current plant data from the overall control unit 11, and uses this plant data and FIG.
The IF part of the database is compared to derive the conclusion part of the rule in which the condition parts match (data B1 in FIG. 3), and sends the optimum operation data to the operation command conversion part 54. In the operation command conversion unit 54, words (operation command) that the optimum operation data can be understood by the plant management computer 3 and the plant controller 4
To the plant controller 4 and the plant management computer 3 via the network 15. As a result, the plant management computer 3 and the plant controller 4 optimally control the plant.

In this way, plant control is realized without operator intervention. Further, when the condition part of the rule in which the current plant data and the condition part match in the database 53 has a condition of a kind such as information A1 or information D1 shown in FIG. Data such as A1 collects data from the trend collection and display control unit 143 before t1 hours, and data such as information D1 collects the valve opening degree from the operation history collection and display control unit 141. When all of these conditions match, the conclusion part of the rule is sent to the operation command conversion part 54.

Embodiment 2 (corresponding to claim 2). FIG. 4 is a block diagram of a supervisory controller according to Embodiment 2 of the present invention.
4, the components corresponding to those shown in FIG. 7 are designated by the same reference numerals, and the description thereof will be omitted. In FIG. 4, 52 is an operation deriving unit that compares the operation history data associated with the collected plant data with the current plant state data to derive the optimum operation data indicating the optimum operation target and operation amount, and 54 is the derivation thereof. It is an operation command conversion unit that converts the obtained optimum operation data into an operation command for actually operating the plant. In the second embodiment, the operation of the data processing unit 51 of FIG. 1 is performed by the operation history collection / display control unit 141.
Done in. The operation history data is stored in the form of a database as shown in FIG. 3, for example. This operation history function is realized by sequentially reading the conclusion part of the rule. The second embodiment has the same effect as the first embodiment described above.

Embodiment 3 (corresponding to claim 3). FIG. 5 is a block diagram of a supervisory controller according to the third embodiment of this description.
In FIG. 5, components corresponding to those shown in FIG. 9 are designated by the same reference numerals, and their description will be omitted. In FIG. 5, reference numeral 51 is a data processing unit that analyzes the relationship between the collected plant data and operation data and creates a database of this relationship, 53 is a database of the database, 5
Reference numeral 6 denotes an abnormal operation analysis unit that analyzes the abnormal operation by comparing the database 53 with current plant state data and operation data, and 57 denotes an abnormal operation notification unit that notifies the abnormal operation.

In the third embodiment, the data processing unit 51 collects the plant data corresponding to the operation, and this data is
The abnormal operation analysis unit 56 compares and calculates with real-time plant data and operation data input via the overall control unit 11. As a result, it is possible to detect an abnormal operation with respect to a past operation. When an abnormality is detected, the input / output control unit 13 via the abnormal operation notification unit 57.
Is sent to the operator and notifies the operator of the operation abnormality on the display device 131.

Embodiment 4 (corresponding to claim 4). 6 is a block diagram of a supervisory controller according to Embodiment 4 of the present invention.
6, the components corresponding to those shown in FIG. 9 are designated by the same reference numerals, and the description thereof will be omitted. In FIG. 6, reference numeral 51 denotes a data processing unit that analyzes the relation between the collected plant data and operation data and makes this relation a database, and 52 denotes the database 53
Is compared with the current plant state data to derive optimum next operation data indicating the optimum operation target and operation amount to be operated next, and 55 displays the optimum next operation data on the display device 131. It is a guidance display control unit having a function. The guidance display control unit 55 is for training or for an unfamiliar beginner operator.

Next, the operation of the fourth embodiment will be described. The operation of the fourth embodiment can be divided into the following two ways as in the first embodiment. (1) Operational memory of a skilled operator and operation of creating a database. (2) Training and operation guidance monitoring control operation. The operation (1) is the same as that of the first embodiment, so the operation (2) will be described. This operation is performed using the operation deriving unit 52, the guidance display control unit 55, and the database 53.

This example will be described with reference to the training and operation guidance monitoring controller database shown in FIG. First,
The operation derivation unit 52 obtains the current plant data from the overall control unit 11. This plant data is compared with the IF section of the database of FIG. 7, and the condition section matches (see FIG. 7).
B1 data) of the rule is derived and sent to the guidance display control unit 55 for training or for a beginner (unfamiliar) operator. The guidance display control unit 55 compares the operation data input from the display device 131 with the touch panel 131a or the keyboard device 132 with the database and performs the next operation of the conclusion unit.
To display. Alternatively, a command is directly issued to the plant controller 4, and the operation is displayed on the display device 131 together with the reason why this operation was performed. With the above operation, it is possible to obtain a monitoring control device that allows an unskilled operator to perform an appropriate operation.

Embodiment 5 (corresponding to claim 5). 8 is a block diagram of a supervisory control device according to a fifth embodiment of the present invention.
In FIG. 8, components corresponding to those shown in FIG. 6 are designated by the same reference numerals, and their description will be omitted. In FIG. 8, the operation deriving unit 52 compares the operation history data 141a associated with the collected plant data with the current plant state data to obtain the optimum operation target to be operated next and the optimum next operation data indicating the operation amount. Derive. The guidance display control unit 55 displays the optimum next operation data on the display device 131. The other configurations and operations are the same as those in the fourth embodiment, and the description thereof will be omitted.

[0030]

As described above, according to the invention of claim 1,
A database that shows the relationship between the collected plant data and operation data is compared with the current plant state data to derive optimum operation data, and the optimum operation data is converted into operation instructions for actually operating the plant. Therefore, the state of the plant can be grasped with certainty, and even a new operator can easily operate it, thereby improving the operability, man-machine property, and reliability.

According to the second aspect of the invention, the operation history data associated with the collected plant data is compared with the current plant state data to derive the optimum operation data, and the optimum operation data is actually operated in the plant. Since the configuration is such that it is converted into an operation command for performing, the same effect as in claim 1 can be obtained.

According to the invention of claim 3, an abnormal operation is analyzed by comparing a database showing the relation between the collected plant data and the operation data with the current plant state data and the operation data, and this abnormal operation is notified. Since the configuration is adopted, when there is an abnormal operation, it can be known, and even a new operator can easily perform the operation, thereby improving the operability, man-machine property, and reliability.

According to the invention of claim 4, the database showing the relation between the collected plant data and the operation data is compared with the current plant state data to derive the optimum next operation data to be operated next, and the optimum next operation data is derived. Since the configuration is such that the next operation data is displayed, the contents to be operated next can be known, and even a new operator can easily perform the operation, thereby improving the operability, man-machine property, and reliability.

According to the fifth aspect of the present invention, the operation history data associated with the collected plant data is compared with the current plant state data to derive the optimum next operation data to be operated next, and the optimum next operation is calculated. Since the data is displayed, the same effect as the fifth aspect can be obtained.

[Brief description of drawings]

FIG. 1 is a block diagram of a supervisory control device according to a first embodiment of the present invention.

FIG. 2 is a block diagram for explaining a configuration of a data processing unit in FIG.

FIG. 3 is a diagram showing a database structure in the first embodiment.

FIG. 4 is a block diagram of a supervisory control device according to a second embodiment of the present invention.

FIG. 5 is a block diagram of a supervisory control device according to a third embodiment of the present invention.

FIG. 6 is a block diagram of a supervisory control device according to a fourth embodiment of the present invention.

FIG. 7 is a diagram showing a database structure according to a fourth embodiment.

FIG. 8 is a block diagram of a supervisory control device according to a fifth embodiment of the present invention.

FIG. 9 is a block diagram of a conventional supervisory control device.

[Explanation of symbols]

 14 Control Processing Section 51 Data Processing Section 52 Operation Derivation Section 53 Database 54 Operation Command Conversion Section 55 Guidance Display Control Section 56 Abnormal Operation Analysis Section 57 Abnormal Operation Notification Section 131 Display Device

Claims (5)

[Claims] 1. A monitoring control device for controlling a plant so as to have a desired movement, comprising a control processing unit for collecting plant data for monitoring and controlling the plant, analyzing operation data, collecting history, and the like. , The data processing unit that analyzes the relation between the collected plant data and the operation data and makes this relation as a database, and compares this database made database with the current plant state data to show the optimum operation target and operation amount A supervisory control device comprising: an operation derivation unit that derives optimum operation data; and an operation command conversion unit that converts the derived optimum operation data into an operation command for actually operating the plant. 2. A monitoring control apparatus for controlling a plant so as to have a desired motion, comprising a control processing unit for collecting plant data for monitoring and controlling the plant, analyzing operation data, collecting history, and the like. , The operation history data associated with the collected plant data is compared with the current plant state data to derive the optimum operation data indicating the optimum operation target and operation amount, and the derived optimum operation data. A supervisory control device, comprising: an operation command conversion unit for converting an operation command for actually operating a plant. 3. A supervisory controller for controlling a plant so as to have a desired movement, comprising a control processing unit for collecting plant data for monitoring and controlling the plant, analyzing operation data, collecting history, and the like. , A data processing unit that analyzes the relationship between the collected plant data and operation data and creates a database of this relationship, and an anomaly that analyzes the abnormal operation by comparing this database database with the current plant state data and operation data A monitoring and control device comprising an operation analysis unit and an abnormal operation notification unit that notifies the abnormal operation. 4. A supervisory controller for controlling a plant so as to have a desired movement, comprising a control processing unit for collecting plant data for monitoring and controlling the plant, analyzing operation data, collecting history, and the like. , The data processing unit that analyzes the relationship between the collected plant data and the operation data and creates a database of this relationship, and the optimum operation target that should be operated next by comparing this database created database with the current plant state data And a guidance display control unit having a function of displaying the optimum next operation data indicating the operation amount on the display device. 5. A supervisory controller for controlling a plant so as to obtain a desired motion, comprising a control processing unit for collecting plant data for monitoring and controlling the plant, analyzing operation data, collecting history, and the like. , An operation derivation unit for comparing the operation history data associated with the collected plant data with the current plant state data and deriving the optimum next operation data indicating the optimum operation target and operation amount to be operated next, A supervisory control device comprising a guidance display control unit having a function of displaying the next operation data on the display device.