KR102655250B1 - Automatic control system capable of monitoring and controlling different types of devices - Google Patents

Abstract

The present invention relates to an automatic control method of a monitoring and control system by automatically recognizing the communication method of heterogeneous building control equipment and measurement equipment.
According to this embodiment of the present invention, an acquisition step of acquiring measurement data of the building and control points of the heterogeneous equipment from different heterogeneous equipment located at a plurality of locations in the building, and the acquired control points are control points previously stored in a database. A confirmation step to check whether the acquired control point is a control point previously stored in the database, a storage step to store measurement data of the heterogeneous equipment corresponding to the control point in the database, and measurement of the heterogeneous equipment from the database. It includes a provision step of acquiring data and providing a screen through a display.

Description

Monitoring and control method using an automatic control system capable of heterogeneous monitoring and control {Automatic control system capable of monitoring and controlling different types of devices}

The present invention relates to a monitoring and control method of heterogeneous monitoring and control systems. Using heterogeneous maps, control points are automatically registered by connecting the central control device and heterogeneous central control devices or controllers through communication (innernet, serial bus).

The present invention connects communication with Ethernet, serial, database connection, etc. in a plug-and-play manner depending on the communication method with the control equipment and measuring equipment to be connected, since the communication module with the building's control equipment and measuring equipment is different for each company. It is about a monitoring and control method of a monitoring and control system that automatically acquires the control points necessary for monitoring and control from control equipment and measuring equipment and automatically creates a communication screen based on this so that the operator can operate it immediately.

Korea's energy consumption has continued to increase since the 2000s and has recently reached a whopping $30 billion. The proportion of domestic energy consumption in the building sector (commercial and household sectors) is enormous, reaching approximately 35-40% of total energy consumption. In addition, this phenomenon is a trend in which energy consumption is gradually increasing due to the creation of a comfortable environment in buildings and the systemization of the office environment.

Energy consumption in the building sector occurs throughout the entire lifespan of a building, from new construction to operation as well as demolition. The largest proportion of a building's energy consumption is heating, cooling, and air conditioning consumed to maintain a comfortable indoor environment. This is the power energy for equipment and the energy for lighting.

In addition, the ratio of energy consumed by use in office buildings is about 50% for air conditioning and 33% for lighting and outlets, which means that 86% of energy consumption in buildings is for building facilities. there is.

This means that efficient maintenance of air conditioning and power (lighting) facilities at the building operation stage has a significant impact on overall maintenance costs and energy management.

Therefore, in the era of high oil prices and the need to reduce greenhouse gases, efficient use of energy has become an important national task. Among these, saving electric energy has become the most important task along with energy efficiency of transportation equipment such as automobiles, etc. In terms of building management, the main method used by businesses to reduce costs by reducing electrical energy is to use highly energy-efficient lighting fixtures, electric motors, and air conditioners.

However, in order to monitor and control through communication with the control equipment and measurement equipment of these buildings, most equipment does not use open protocols such as BACnet or LonWorks, and in order to communicate with such equipment, it is unclear what model it is, so multiple devices are required. Communication settings and control points must be created 1:N for different equipment, and in the case of the central server, it is inconvenient to create a screen to display control point data for these control facilities and measurement equipment.

The technology behind the present invention is disclosed in Republic of Korea Patent Registration No. 10-1857081 (registered on June 25, 2018).

The present invention was developed to solve the above problems, and is a method for communicating with a plurality of control equipment and measurement equipment and providing communication data of the equipment to the user through a display. The purpose is to provide a monitoring and control method for an automatic control system through a plug-and-play communication method.

According to an embodiment of the present invention, an acquisition step of acquiring measurement data of the building and control points of the heterogeneous equipment from a plurality of different heterogeneous equipment located in the building, and determining whether the acquired control point is a control point previously stored in the database. Confirmation step of confirming, if the acquired control point is a control point previously stored in the database, storage step of storing measurement data of the heterogeneous equipment corresponding to the control point in the database, measuring data of the heterogeneous equipment from the database It includes a provision step of acquiring and providing a screen through a display.

In the above acquisition step, in order to distinguish heterogeneous equipment and communication method when a heterogeneous communication map is determined, in case of serial communication, scan the device manager of the PC, connect one by one according to the communication port, and check the communication speed, parity, data bit, stop bit, etc. While changing, communication is performed using the communication protocol in the database to check the communication results. If communication is maintained normally, the value of a specific part of the communication data is taken and a control point is obtained by comparing the value stored in the specific part in the database. In addition, in the case of Ethernet communication, the IP address of the PC is taken, the IP address of the heterogeneous equipment connected to the IP address is scanned, and the communication results are checked by connecting one by one using the communication ports of the communication protocol stored in the database. If communication is maintained normally, the communication data is saved. A control point is obtained by taking the value of a specific part and comparing it with the value stored in the specific part in the database. However, in the case of heterogeneous communication maps, after trying the above method, you must receive the communication map and check the matching status of the control points through the confirmation step.

In the confirmation step, the matching rate between the control point existing in the database and the obtained control point is calculated, and if the calculated matching rate is greater than a reference value, it can be confirmed that the control point is stored in the control point.

The matching rate converts the obtained control points into bitmap data, converts control points existing in the database into bitmap data, performs an end operation with each bitmap data, and The matching rate can be checked by checking whether the end-calculated result value matches the bitmap data of the control points.

If the matching rate is less than the standard matching rate, the standard matching rate can be lowered by reducing the words of the control point, the matching rate of the control point is searched again, and the standard matching rate can be adjusted to the lowest standard matching rate.

According to the present invention having the above method and features, it is possible to easily manage control points by acquiring data from heterogeneous equipment, and it is possible to quickly register using control points of additional heterogeneous equipment, allowing workers to set communication settings or control points. It prevents errors that may occur in registration and screen drawing, and even if set up by a beginner or inexperienced person in the future, communication errors or data errors can be prevented, thereby increasing the efficiency of the monitoring and control system configuration.

1 is a diagram showing a monitoring and control system according to an embodiment of the present invention.
Figure 2 is a diagram for explaining the configuration of a monitoring and control server according to an embodiment of the present invention.
Figure 3 is a flowchart for explaining a monitoring and control method according to an embodiment of the present invention.
Figure 4 is a diagram for explaining matching rate calculation according to an embodiment of the present invention.
Figure 5 is a diagram for explaining an inverted index according to an embodiment of the present invention.

Since the present invention can be subject to various changes and can have various forms, implementation examples (or embodiments) will be described in detail in the text. However, this is not intended to limit the present invention to a specific disclosed form, and should be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present invention.

The terms used in this specification are merely used to describe specific implementation examples (sun, aspect, aspect) (or examples), and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as ~include~ or ~consist of~ are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the technical field to which the present invention pertains. Terms defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and should not be interpreted as having an ideal or excessively formal meaning unless clearly defined in the present application. .

~First~, ~Second~, etc. described in this specification are only used to distinguish different components, and are not limited by the order of manufacture, and the names are used in the detailed description and claims of the invention. may not match.

Figure 1 is a diagram showing a monitoring and control system according to an embodiment of the present invention, and Figure 2 is a diagram illustrating the configuration of a monitoring and control server according to an embodiment of the present invention.

As shown in Figure 1, the monitoring and control system 100 according to an embodiment of the present invention includes a monitoring and control server 110, a plurality of heterogeneous equipment 120, and an administrator terminal 130. Here, the administrator terminal 130 is a terminal owned by the administrator and is equipment that can check the operating status of a plurality of heterogeneous devices 120 installed in the building from the outside.

First, as shown in FIG. 2, the monitoring control server 110 includes a database 111, a control point comparison unit 112, and a provision unit 113, and the operations of these components of the monitoring control server 110 will be described later. Let me explain.

Next, heterogeneous equipment 120 refers to equipment such as a power meter, gas meter, EHP (Electric Heat Pump), GHP (Gas engine Heat Pump), and solar power, and is equipment installed in a building to measure building data. In the present invention, any equipment other than the above equipment that is installed inside or outside the building and measures data on the building can be used. This heterogeneous equipment 120 measures building data and provides it to the monitoring control server 110, and receives the period and number of times of data measurement from the monitoring control server 110 and provides data periodically.

FIG. 3 is a flowchart for explaining a monitoring and control method according to an embodiment of the present invention, and FIG. 4 is a diagram for explaining matching rate calculation according to an embodiment of the present invention.

Hereinafter, a monitoring and control method using the monitoring and control system 100 according to an embodiment of the present invention will be described using FIGS. 3 and 4.

As shown in Figure 3, the monitoring and control method according to an embodiment of the present invention includes an acquisition step (S1), a confirmation step (S2), a storage step (S3), and a display step (S4).

First, as shown in FIG. 3, the acquisition step (S1) receives measured data from different heterogeneous equipment 120 located at a plurality of locations in the building, and determines the control point of each heterogeneous equipment 120 from the measured data. obtain. At this time, the control point is the equipment information of the heterogeneous equipment 120 registered in the database 111, and heterogeneous equipment 120 that has a control point and heterogeneous equipment 120 that does not have a control point can be installed together. .

Next, the confirmation step (S2) checks whether the acquired control point is a control point already stored in the database 111. First, the control point comparison unit 112 checks whether the database 111 has a standard map (standard data information) of the heterogeneous equipment 120.

At this time, if the database 111 has a standard map of the heterogeneous equipment 120, the control point comparison unit 112 searches the device manager of the PC and communicates with the heterogeneous equipment 120 in case of serial communication according to the communication method. When a port is selected and communication with the device is established by adjusting the communication speed, parity, data bits, stop bits, and flow control, the data of a specific part is scanned and compared with the value stored in the database (111) to obtain heterogeneous equipment, and Ethernet In the case of communication, the IP address of the PC is scanned and when communication is established using the communication port stored in the database (111), the data of a specific part is scanned and compared with the value stored in the database (111) to obtain heterogeneous equipment. The same control point is obtained by comparing the name, number, and order of the control point stored in the database 111 with the control point held by the heterogeneous equipment 120, and the corresponding measurement value is stored in the database 111. .

On the other hand, if the database 111 does not have a standard map of the heterogeneous equipment 120, the control point comparison unit 112 lists control points from the non-standard map already provided for the heterogeneous equipment 120 and downloads the control points. Next, it is compared with the control point stored in the database 111. At this time, the control point comparison unit 112 sequentially searches the list of control point keywords such as Korean, numbers, English letters, English abbreviations, equipment abbreviations, and measurement abbreviations, and compares the control point and database ( Check whether the matching rate of the control point stored in 111) exceeds the standard value, and if it exceeds, the corresponding control point is additionally stored in the database 111.

This control point comparison unit 112 searches the control points stored in the database 111 through a web information search method and preprocessing to match the control points of the heterogeneous equipment 120 with the control points stored in the database 111. Organize the points.

At this time, the web information search method uses the control point index on the control screen to search for control points containing some query terms, calculate the relevance score, then rank the searched control points according to the score, and then list them by rank. This is a method that displays one control point and guides the operator to select it.

To use this web information retrieval method, preprocessing is performed. In preprocessing, stop words, tenses, hyphens, punctuation, etc. are removed.

In addition, the control point comparison unit 112 organizes the control points using the naive Bayesian theorem when the above-described web information search method and preprocessing work cannot be used. At this time, the Naive Bayesian theorem is a probabilistic machine learning algorithm using Bayes' theorem and is a prediction method that infers the posterior probability based on the prior probability.

Once the control points are organized in this way, the matching rate between the control points stored in the database 111 and the control points of the heterogeneous equipment 120 is calculated using the inverted index.

First, the inverted index is a special index that converts words into bitmap data and stores them. In a general index, which words are in a specific document are stored and the index words are extracted from the document in the inverted index.

For example, as shown in FIG. 4, when the control point is the query string ‘Logi system Corporation’, the control point comparison unit 112 classifies the strings as “logi”, “system”, and “Corporation”, respectively. Then, the control point comparison unit 112 finds the bitmap index of each word as shown in FIG. 4. At this time, the bitmap index is a 2-bit value for storing data and is formed as 1 or 0, and each word has a unique bitmap index.

The control point comparison unit 112 performs an arithmetic logic and operation on the bitmap index of the control points stored in the database 111 and the bitmap index of the heterogeneous equipment 120, and stores the executed result value in the database 111. Calculate the matching rate with the stored control points.

At this time, if the calculated matching rate is higher than the standard matching rate, move to the next control point and repeat the above steps. If the calculated matching rate is lower than the standard matching rate, the standard matching rate is saved as an unmatched control point. When the above steps are performed one more time by lowering and the standard matching rate reaches the minimum standard matching rate, it is determined that the control point of the heterogeneous equipment 120 is not stored in the database 111. Then, the administrator or user can manually correct and save the control points of the heterogeneous equipment 120.

If the matching rate is higher than the standard matching rate, it is confirmed as a registered control point. If the matching rate is less than the standard matching rate, the control point name is displayed in order of matching rate and the user can select it. The control point selected by the user becomes the key for the name used in the search, and is used as learning data to enable the system to learn to increase the matching rate during the next matching search by storing the selected control point name.

And, as shown in FIG. 5, the control point comparison unit 112 can compare control points using an inverted index instead of using a bitmap index.

At this time, as shown in Figure 5, in order to obtain each word from the string contained in each document number, if the word exists, it is displayed as 1, and if it does not exist, it is displayed as 0.

Next, in the storage step (S3), if the acquired control point is a control point already stored in the database, measurement data of heterogeneous equipment corresponding to the control point is stored in the database.

At this time, when the control points of the heterogeneous equipment 120 are manually corrected and stored in step S2, the data of the heterogeneous equipment 120 measured from the point of storage are respectively stored.

Next, in the provision step (S4), measurement data of heterogeneous equipment is acquired from the database 111 and a screen is provided through a display.

The present invention described above with reference to the accompanying drawings is capable of various modifications and changes by those skilled in the art, and such modifications and changes not limited by the claims should be construed as being included in the scope of rights of the present invention.

100: Supervisory control system
110: Supervision control server
111: database
112: Control point comparison department
113: Provider
120: Heterogeneous equipment
130: Administrator terminal

Claims (4)

In a monitoring and control method using a monitoring and control system including a monitoring and control server, a plurality of heterogeneous equipment, and an administrator terminal,
An acquisition step of acquiring measurement data of the building and control points of the heterogeneous equipment from different heterogeneous equipment located at a plurality of locations in the building;
A confirmation step of checking whether the acquired control point is a control point previously stored in a database;
If the acquired control point is a control point previously stored in the database, a storage step of storing measurement data of heterogeneous equipment corresponding to the control point in the database; and
A providing step of acquiring measurement data of the heterogeneous equipment from the database and providing a screen through a display; Including,
Calculate the matching rate between the control point existing in the database and the obtained control point, and if the calculated matching rate is greater than a reference value, confirm that the control point is a stored control point,
The matching rate is
Convert the obtained control points into bitmap data, convert control points existing in the database into bitmap data, perform an end (and) operation with each bitmap data, and perform the end operation result. A monitoring and control method that checks whether the value matches the bitmap data of the control points. delete delete In claim 1,
If the matching rate is less than the standard matching rate, the monitoring and control method lowers the standard matching rate, searches again for the matching rate of the control point, and advances the standard matching rate up to the lowest standard matching rate.