KR20140013224A - Host management system - Google Patents

Host management system Download PDF

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Publication number
KR20140013224A
KR20140013224A KR1020120079613A KR20120079613A KR20140013224A KR 20140013224 A KR20140013224 A KR 20140013224A KR 1020120079613 A KR1020120079613 A KR 1020120079613A KR 20120079613 A KR20120079613 A KR 20120079613A KR 20140013224 A KR20140013224 A KR 20140013224A
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KR
South Korea
Prior art keywords
data
real
time data
history
client
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KR1020120079613A
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Korean (ko)
Inventor
이봉국
김태원
이용익
Original Assignee
엘에스산전 주식회사
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Priority to KR1020120079613A priority Critical patent/KR20140013224A/en
Publication of KR20140013224A publication Critical patent/KR20140013224A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Electricity, gas or water supply
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services

Abstract

A host management system according to an embodiment includes: a data collecting device which collects real time data from a database of a subordinate supervisory control system; a history managing device which stores real time data which is collected through the data collecting device and stores and manages history data which accumulates the stored real time data; and a client associated device which is linked to a client device and transmits the real time data and the history data which are stored in the history managing device to the client device. The client associated device searches history data which the client device requests from the history managing device and transmits the searched history data to a client. [Reference numerals] (210) Data collecting device; (220) History managing device; (230) Client associated device

Description

Parent operating system {Host Management System}

The embodiment relates to a higher operating system, and more particularly, to a higher operating system capable of collecting data flowing in real time from a lower control system and efficiently managing the same.

In general, the higher generation power generation system for monitoring, operating and diagnosing a power plant or a plant collects site data in real time from a lower control system provided in the power plant and manages the collected field data.

The power generation higher operating system collects the field data in association with a plurality of lower control systems and provides the collected field data to another external system.

1 is a view showing a higher operating system according to the prior art.

Referring to FIG. 1, the upper operating system 10 may include a collecting unit 11, a first storage unit 12, a display unit 13, a history management unit 14, a second storage unit 15, and an alarm management unit ( 16) and a data management unit 17.

The collector 11 functions to collect data through an interface unit for a system serving as an external data source.

The real-time management unit 17 manages whether the real-time information collected through the collection unit 11 is normal and stored in the main memory of the first storage unit 12.

In addition, in order to store the history of the collected data, the history manager 14 processes the collected real-time data, and periodically stores the second data in the second storage unit 15 for management.

On the other hand, if abnormal abnormal data exists in the collected data, the alarm manager 16 performs the processing on the abnormal data.

The display unit 13 displays real time data collected through the collection unit 11 or historical data stored in the second storage unit 15.

As described above, the upper operating system uses a dedicated application program interface (API) for operational efficiency.

However, the use of such a dedicated API makes it difficult to collect information through a standard interface in an external system, and thus periodically collects information (for example, time unit, week unit, and daily unit). There is a problem in that it is not easy to collect information on any history section.

In addition, since the upper operating system collects field data from all lower control systems through one path, there is a problem that it is difficult to collect and manage history (storage and inquiry) and operation of a large amount of information.

In addition, due to the above problems, it is difficult to configure the upper operating system, and thus, it is inconvenient to use the specialized application and the system operation necessary in connection with the large-scale real-time history information in the upper operation.

The embodiment provides a higher operating system capable of efficiently collecting field data from multiple lower control systems by operating multiple collectors.

In addition, the embodiment provides a higher operating system that can effectively store and manage a large amount of historical data.

In addition, the embodiment provides an upper operating system that provides an effective interface with an external system so that the real-time data or the historical data can be easily received from the external system, and the search of the historical data is easy.

It is to be understood that the technical objectives to be achieved by the embodiments are not limited to the technical matters mentioned above and that other technical subjects not mentioned are apparent to those skilled in the art to which the embodiments proposed from the following description belong, It can be understood.

An upper operating system according to an embodiment may include a data collection device collecting real-time data from a database of a lower monitoring control system; A history management device for storing real-time data collected through the data collection device, and storing and managing history data accumulated with the stored real-time data; And a client associated device linked with a client device to transmit real time data and history data stored in the history management device to the client device, wherein the client associated device transmits the history data requested by the client device to the history management device. The searched history data is transmitted to the client accordingly.

The data collection device may include a plurality of data collection units configured to collect the real time data from a database of the lower monitoring control system, wherein the plurality of data collection units are disposed for each of the lower monitoring control systems. Collect real-time data from the database of each subordinate supervisory control system.

The data collection device performs preprocessing on the compression of real-time data collected from the lower monitoring control system, and transmits the preprocessed real-time data to the history management device.

The data collecting device buffers the collected real-time data in an abnormal state of the history management device, and transmits the buffered real-time data when the history management device returns to a normal state.

The data collection device may transmit the collected real-time data to the history management device according to a request signal input from the history management device, or transmit the collected real-time data to the history management device every predetermined period. do.

In addition, the history management device, a data collection management unit for receiving real-time data from the data collection device, a first data storage unit for storing the real-time data received through the data collection management unit, and received through the data collection management unit And a second data storage unit for accumulating and storing the real time data, and storing the historical data of the real time data.

The history management device may further include a compression manager configured to compress the real-time data stored in the first data storage to generate a compressed file, and to store and manage the generated compressed file.

The history management apparatus may further include a third data storage unit for backing up the history data stored in the second data storage unit, and history data stored in the second data storage unit at predetermined intervals. And a backup and recovery management unit for recovering the lost history data using the backed up history data.

The client cooperating device may be connected to a first client device, and may include an HMI operation linking unit continuously transmitting real time data stored in the first data storage unit to the first client device, and a second client device. Search for the history data requested by the second client device from the second data storage, and transmit the searched history data to the second client device.

According to an embodiment, a large-scale database can be built to efficiently store and search a large amount of real-time data and history data, and a plurality of collectors can be operated to efficiently collect real-time data from a lower control system.

In addition, according to the embodiment, it is possible to easily retrieve the historical data for any section through the standard API in the external system.

1 is a view showing a higher operating system according to the prior art.
2 is a view showing the configuration of the overall system for the operation, monitoring and diagnosis of the power plant or plant according to the embodiment.
3 is a diagram illustrating a schematic configuration of an upper operating system 200 according to an embodiment.
4 is a diagram illustrating the data collection device 210 shown in FIG. 3.
5 is a diagram illustrating the history management device 220 illustrated in FIG. 3.
FIG. 6 is a diagram illustrating the client associated device 230 illustrated in FIG. 3.

The following merely illustrates the principles of the invention. Thus, those skilled in the art will be able to devise various apparatuses which, although not explicitly described or shown herein, embody the principles of the invention and are included in the concept and scope of the invention. Furthermore, all of the conditional terms and embodiments listed herein are, in principle, only intended for the purpose of enabling understanding of the concepts of the present invention, and are not to be construed as limited to such specifically recited embodiments and conditions do.

It is also to be understood that the detailed description, as well as the principles, aspects and embodiments of the invention, as well as specific embodiments thereof, are intended to cover structural and functional equivalents thereof. It is also to be understood that such equivalents include all elements contemplated to perform the same function irrespective of the currently known equivalents as well as the equivalents to be developed in the future, i.e., the structure.

2 is a view showing the configuration of the overall system for the operation, monitoring and diagnosis of the power plant or plant according to the embodiment.

Referring to FIG. 2, the overall system configuration includes a plurality of lower monitoring control systems 100, a higher operating system 200, and an external system 300.

The plurality of subordinate monitoring control systems 100 monitor and control the state of the power plant or plant at the site where the power plant or plant is installed.

That is, the lower monitoring control system 100 collects data that knows the state of the power plant or plant, and checks the state of the power plant or plant using the collected data.

In this case, the lower supervisory control system 100 may be a distributed control system (DCS) or a supervisory control and data acquisition (SCADA) system.

The lower monitoring control system 100 determines the steady state and transient state of a power plant or a plant using the collected data, and is a system for efficiently operating the power plant or the plant accordingly.

The upper operating system 200 receives real-time data according to the state of the power plant or plant from the lower monitoring control system 100.

The upper operating system 200 performs the overall monitoring, management and status diagnosis of the power plant or plant using the received real-time data.

The external system 300 accesses the upper operating system 200 when necessary, and checks real time data collected by the upper control system 200 and historical data collected from the real time data.

To this end, the external system 300 receives the real time data in real time from the upper operating system 200.

In addition, the external system 300 requests history data for a specific section from the upper operating system 200 and accordingly receives the historical data transmitted from the upper operating system 200.

Hereinafter, the upper operating system 200 will be described in more detail with reference to the accompanying drawings.

3 is a diagram illustrating a schematic configuration of an upper operating system 200 according to an embodiment.

Referring to FIG. 3, the upper operating system 200 includes a data collection device 210, a history management device 220, and a client linked device 230.

The data collection device 210 is connected to the lower monitoring control system 100 to collect data from the lower monitoring system 100 in real time.

The data collection device 210 may be configured in plural and may perform a distributed task of collecting real-time data transmitted from the plurality of subordinate monitoring control systems 100.

The data collection device 210 performs preprocessing such as compression on the collected real-time data, and accordingly outputs or buffers the real-time data that has been performed.

The history management device 220 receives and stores real time data collected through the data collection device 210.

In addition, the history management device 220 accumulates and stores the received real-time data, and manages the history data for the received real-time data.

In addition, the history management apparatus 220 compresses the real time data or the historical data in order to efficiently perform the storage capacity of the data when the real time data or the historical data are stored.

In addition, the history management device 220 continues to transmit the received real-time data to an external system (for example, HMI operation unit).

The client companion device 230 is linked to a client device (eg, an HMI operator or an application application and an external system) to provide data stored in the history management device 220 to the client device.

In this case, the client companion device 230 may continuously transmit the received real-time data to the client device at regular intervals.

In addition, the client companion device 230 may receive a history data request signal transmitted through the client device, and accordingly, retrieve the history data corresponding to the received request signal and transmit the same to the client device.

Hereinafter, each configuration of the higher operating system will be described in more detail.

4 is a diagram illustrating the data collection device 210 shown in FIG. 3.

Referring to FIG. 4, the data collecting device 210 includes a first data collecting unit 201, a second data collecting unit 202, and an nth data collecting unit 203.

The first to nth data collection units 201 to 203 are connected to the lower monitoring control system 100 to collect real time data from the lower monitoring control system 100.

The first to nth data collection units 201 to 203 may collect real time data from a database provided in the lower monitoring control system 100.

In addition, when the real time data is collected, the first to n data collecting units 201 to 203 perform preprocessing such as compression of the collected real time data.

In addition, the first to nth data collection units 201 to 203 perform buffering of the collected real-time data according to whether or not buffering is performed.

In this case, the compression may be performed by a process such as a dead band.

In addition, the buffering may be performed according to whether the history management device 220 operates normally. For example, when the first to nth data collection units 201 to 203 do not take the collected real time data from the history management apparatus 220, the first to n data collectors 201 to 203 buffer the collected real time data.

When the normal operation state of the history management device 220 is detected during the buffering, the first to n data collection units 201 to 203 transmit the buffered real-time data to the history management device 220.

As described above, since the first to nth data collection units 201 to 203 perform buffering according to the state of the history management device 220, the buffered size according to the state of the history management device 220 is Appears different.

In this case, the first to nth data collection units 201 to 203 are disposed for each of the lower monitoring control system 100 to collect real time data from a database of the lower monitoring control system 100.

That is, the collection unit and the lower supervisory control system are 1: 1 matched, so that real-time data in each lower supervisory control system is collected only by the specific collecting unit matched thereto.

The first to nth data collection units 201 to 203 collect real-time data from the matched subordinate monitoring control system 100 according to a sampling period preset by the above configuration.

In this case, when an abnormality occurs in any one of the first to nth data collectors 201 to 203, only the collecting operation of the collector in which the abnormality occurs is stopped, and operations of the other other collectors are normally performed.

Accordingly, according to the embodiment, it is possible to prevent the case that fails to collect the real-time data of all the lower monitoring control system 100 according to the abnormality of the collector.

5 is a diagram illustrating the history management device 220 illustrated in FIG. 3.

Referring to FIG. 5, the history management apparatus 220 may include a data collection management unit 221, a first data storage unit 222, a compression management unit 223, a second data storage unit 224, and a backup and recovery management unit 225. ), A third data storage unit 226 and a data service unit 227.

The data collection management unit 221 is connected to the data collection device 210 through a network.

In this case, the data collection management unit 221 and the data collection device 210 may be a client, the data collection device 210 to send real-time data to the collection management unit 221 at regular intervals, otherwise the data The collection manager 221 may be a client and request the real-time data transmission to the data collection device 210.

In addition, when an error occurs in any one of the plurality of collection units constituting the data collection device 210, the data collection management unit 221 collects the data from other collection units except the collection unit in which the abnormality has occurred. Request real time data.

That is, the data collection management unit 221, when an abnormality of any collector during the operation of each collector, other collectors except this to be able to operate normally.

The first data storage unit 222 stores the real time data received through the data collection management unit 221.

That is, when real-time data is transmitted through the data collection management unit 221, the first data storage unit 222 classifies and stores the transferred data according to a predetermined classification scheme.

The classification scheme may include a collector type, a date, a size, and the like.

In this case, a data service unit 227 is disposed between the data collection management unit 221 and the first data storage unit 222.

The data service unit 227 performs input / output for all data using a commercial database library.

That is, the data service unit 227 transmits all data (including real time data, history data, etc.) except for log data to a component suitable for use, stores and inquires, and thus inputs and outputs the data of the entire system. In charge.

Meanwhile, when an abnormality occurs in the first data storage unit 222, the data collection manager 221 internally stores the collected real-time data in a temporary file, thereby preventing the real-time data from being lost.

The compression management unit 224 reads the real-time data stored in the first data storage unit 222, and accordingly compresses the read real-time data by size, by date or by collector and generates a compressed file, and generates the compressed file. Manage your files.

The second data storage unit 224 accumulates and stores real-time data stored in the first data storage unit 222 to store and manage history data corresponding to the real-time data.

In this case, the second data storage unit 224 may store the history data by using real-time data stored in the first data storage unit 222. Alternatively, the second data storage unit 224 may store the compressed file compressed through the compression management unit 224. The input data may be stored.

The backup and recovery manager 225 manages the backup of the historical data stored in the second data storage 224 at regular intervals.

At this time, the backup and recovery management unit 225 may back up the historical data according to a specified time in real time, and restores the backed up data at the time of recovery.

The third data storage unit 226 stores the backup data according to the backup and recovery management unit 225.

FIG. 6 is a diagram illustrating the client associated device 230 illustrated in FIG. 3.

Referring to FIG. 6, the client interworking device 230 includes an HMI operation linking unit 231 and a search managing unit 232.

The HMI operation linking unit 231 is linked to a client device for HMI operation, and continuously transmits real time data stored in the first data storage unit 222 to the client device (eg, HMI operation unit).

The retrieval manager 232 retrieves the historical data corresponding to the request signal from the second storage unit 224 according to the data request signal of the client device, and transmits the retrieved historical data to the client device.

In this case, the request signal may be a request signal of history data corresponding to an arbitrary section requested by an administrator. Accordingly, the search manager 232 extracts and transmits history data corresponding to the request signal.

In addition, when the extracted history data is a compressed file, the search managing unit 232 decompresses the compressed file, and accordingly transmits the decompressed history data to the client device.

In addition, the search management unit 232 and the client device performs transmission and reception of the historical data through a standard interface or a dedicated API.

As described above, according to the embodiment, it is possible to effectively store and query a large amount of real-time data and history data by establishing a large-scale database, and to efficiently collect real-time data from the lower control system by operating a plurality of collectors. .

In addition, according to the embodiment, it is possible to easily retrieve the historical data for any section through the standard API in the external system.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention.

100: subordinate supervisory control system
200: parent operating system
300: external system

Claims (9)

A data collection device for collecting real-time data from a database of the lower monitoring control system;
A history management device for storing real-time data collected through the data collection device, and storing and managing history data accumulated with the stored real-time data; And
And a client associated device associated with the client device to transmit real time data and history data stored in the history management device to the client device.
The client associated device,
And retrieving the historical data requested by the client device from the history management device, and transmitting the retrieved history data to the client accordingly. The method of claim 1,
Wherein the data collection device comprises:
It includes a plurality of data collection unit for collecting the real-time data from the database of the lower monitoring control system,
The plurality of data collection unit,
And an upper operating system arranged for each lower monitoring control system to collect real-time data from a database of each of the arranged lower monitoring control systems. The method of claim 1,
Wherein the data collection device comprises:
And performing preprocessing on the compression of the real-time data collected from the lower monitoring control system, and transmitting the preprocessed real-time data to the history management device. The method of claim 1,
Wherein the data collection device comprises:
And buffering the collected real-time data when the history management device is in an abnormal state, and transmitting the buffered real-time data when the history management device returns to a normal state. The method of claim 1,
Wherein the data collection device comprises:
And transmitting the collected real-time data to the history management device according to a request signal input from the history management device, or transmitting the collected real-time data to the history management device every predetermined period. The method of claim 1,
The history management device,
A data collection management unit for receiving real-time data from the data collection device;
A first data storage unit for storing real-time data received through the data collection management unit;
And a second data storage unit for accumulating and storing real-time data received through the data collection manager to store history data of the real-time data. The method according to claim 6,
The history management device,
And a compression manager configured to compress the real-time data stored in the first data storage to generate a compressed file, and to store and manage the generated compressed file. The method according to claim 6,
The history management device,
A third data storage unit for backing up the historical data stored in the second data storage unit;
The apparatus may further include a backup and recovery manager configured to back up the historical data stored in the second data storage unit to the third data storage unit at predetermined preset periods, and restore the lost historical data using the backup history data. Parent operating system. The method according to claim 6,
The client associated device,
An HMI operation linkage unit that is linked with a first client device and continuously transmits real-time data stored in the first data storage unit to the first client device;
A higher operating system linked with a second client device for retrieving the historical data requested by the second client device from the second data storage, and accordingly transmitting the retrieved historical data to the second client device.
KR1020120079613A 2012-07-20 2012-07-20 Host management system KR20140013224A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170014669A (en) * 2015-07-30 2017-02-08 엘에스산전 주식회사 Apparatus and method for managing of data base in energy management system
KR20170027632A (en) * 2015-09-02 2017-03-10 엘에스산전 주식회사 Apparatus for processing of data
KR20200008372A (en) * 2018-07-16 2020-01-28 엘에스산전 주식회사 Monitoring and Diagnosis Operation System for USC Power Plant
KR20210075358A (en) * 2019-12-13 2021-06-23 한국전자기술연구원 Smart factory operation analysis system and method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170014669A (en) * 2015-07-30 2017-02-08 엘에스산전 주식회사 Apparatus and method for managing of data base in energy management system
CN106407069A (en) * 2015-07-30 2017-02-15 Ls 产电株式会社 Apparatus and method for managing of database in energy management system
CN106407069B (en) * 2015-07-30 2019-04-12 Ls 产电株式会社 Device and method for the database in management energy management system
US10437792B2 (en) 2015-07-30 2019-10-08 Lsis Co., Ltd. Apparatus and method for managing of database in energy management system
KR20170027632A (en) * 2015-09-02 2017-03-10 엘에스산전 주식회사 Apparatus for processing of data
US10382299B2 (en) 2015-09-02 2019-08-13 Lsis Co., Ltd. Data processing apparatus
KR20200008372A (en) * 2018-07-16 2020-01-28 엘에스산전 주식회사 Monitoring and Diagnosis Operation System for USC Power Plant
KR20210075358A (en) * 2019-12-13 2021-06-23 한국전자기술연구원 Smart factory operation analysis system and method

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