JPH0813167B2 - Driving assistance device for substation - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides an operator with an emergency measure for handling an accident or failure in the operation of a primary substation (hereinafter referred to as a substation), which is a key part of a power supply system. The present invention relates to a driving support device for a substation, which is configured to guide and support a general recovery treatment method and the like.

[0002]

2. Description of the Related Art A generally known drive assist device for a substation has taken in online information of a substation system, and when the taken online information contains accident / fault information, Knowledge base based on information
Is directly connected to the inference engine for rules, frames, etc.
The reasoning necessary for the first aid is executed by one reasoning section, and the guide content as the result of the reasoning is displayed on the CRT screen.
The output format was adopted . For that purpose, the above knowledge base
Knowledge of science is a language suitable for scientific computing, for example "FORTR
It was expressed as "AN". In addition, the above inference unit infers
During the execution of inference after starting the execution of the above, there is no function to receive additional information related to accidents and failures, or there is a function to receive additional information, but the additional information is available. Is unconditionally determined to be another accident / failure, and after the inference for the priority input information is completed, the inference for the additional information is newly started.

[0003]

According to the conventional driving support device as described above, the knowledge base expression contents are calculated by computer technology.
It is difficult to decipher unless you are a surgeon and is resident at the scene
Operating operators and maintenance personnel (hereinafter referred to as domain experts
In DE), I can't understand the contents,
It takes a huge amount of time to understand,
The entire device is unable to find knowledge errors
The reliability as was also low. In addition,
The configuration or rating has changed, or the method of first aid has changed.
In case of an accident, a computer engineer will be sent to the substation or other site.
Knowledge by bringing back a part of the equipment to a factory
It requires complicated operations such as changing the knowledge of the bass.
It was. In addition, even if you can roughly determine the accident / fault occurrence section by executing inference based on online information, information such as accident / fault situation information and patrol result information that become gradually clear over time are added. Since information cannot be reflected in inference, it is not possible to perform highly accurate inference such as narrowing down the accident / failure occurrence section. Therefore, make full use of the driving support effect as a result of inference for first aid. It was something that could not be done.

The present invention has been made in view of the above circumstances, and it is easy to understand the contents of the knowledge base and
It is possible for the DE to realize the change and maintenance of the knowledge of the server.
As well as practical measures in the event of an accident or failure.
It is possible to execute inference that satisfies the functions and performance required for adaptive processing.
To improve the reliability of the device as a whole.
( EN) A driving support device for a substation capable of improving the expected driving support effect such as narrowing down an accident / failure occurrence section by reflecting additional information related to the accident / failure in the inference result. Is intended.

[0005]

In order to achieve the above object, a driving support device for a substation according to the present invention takes in online information of a substation system, and the taken online information includes accident / fault information. And an inference section that performs inference necessary for first aid based on that information,
A driving support device for a substation, comprising a human interface device that outputs the inference result of the inference unit to guide the operator, wherein the inference unit is
As online information including late / fault information is entered,
One inference engine that controls the flow of theory,
Accident location determination and abnormality status by analysis of response processing for late / failure
Five types of condition monitoring, communication of related parts, site inspection and system operation
Classified by type of work, dedicated to each of those classified work
Five inferences using a knowledge base constructed from knowledge representations
Includes accident / fault information in the above inference engine and the above inference section
Offline information entry that allows you to enter other additional information
In addition to having a power unit, the above inference unit executes inference with the input of online information including accident / failure information.
When other additional information including accident / fault information is input from the offline information input unit during the operation, a means for performing the inference again with the additional information taken into consideration is provided.

[0006]

According to the driving support device for a substation of the present invention having the above-described structure, when the taken-in substation system online information includes accident / fault information, the inference unit makes an emergency response based on the information. Perform the inference needed for treatment . Of this reasoning
When executing, it is necessary to analyze the response processing of accidents and obstacles.
Judgment location determination, abnormal condition monitoring, related location communication, site inspection
And five types of tasks of system operation
Separately using a knowledge base constructed with a dedicated knowledge representation 5
Since one inference engine executes a given inference,
The contents of the knowledge base are accepted even in the DE who is not a computer engineer.
It is possible to adopt an easily understandable and readable knowledge representation.
Yes, this allows you to change the configuration and rating of power equipment.
Change the knowledge of the corresponding knowledge base, and also perform DE maintenance
It can be realized by yourself and the knowledge base
It is easy to find mistakes. Also, an accident / disorder occurred
The processing unit when doing is said to be the above 5 types of work
As the unit recognized by the DE is similar to the actual processing,
And, according to the classified work, processing speed is important,
Use different types of inference engines such as maintainability
Function and performance required for each process
And the reliability of the device as a whole is improved. That
Above, even if the inference section is in the process of performing inference with the input of online information including the accident / failure information ,
For example, an accident that gradually becomes clear over time
By artificially inputting additional information, such as information on fault conditions and information obtained by the operator's inspection of the site ,
Since the inference will be executed again with the additional information taken into consideration, it is possible for humans to obtain very advantageous inference results in taking appropriate emergency measures such as narrowing down the accident / failure section.
Can be output to the interface device.

[0007]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an overall schematic configuration diagram of a driving support system for a substation. The system is basically a substation S / in which an inference subsystem unit (hereinafter referred to as IFS) 1 which is the core of the driving support system is installed. Between the S and the control center C / C provided with a human interface subsystem (hereinafter referred to as HIS-C) 2 that displays and guides the support contents to the operator Ma, for example, existing standby communication Connected by a modem transmission device (MODEM) 3 using a line, the operator Ma of the control station C / C and the substation S /
The operator of S, that is, the maintenance staff Mb is configured to be supported by a guide.

On the substation S / S side, if an accident / failure occurs in the power transmission system 4 (see FIG. 2) or the substation equipment 5 (see FIG. 2) and the like, the distribution board 6 is transformed. The IFS 1 through the relay information (hereinafter referred to as JSB) 7 and the online information input unit (hereinafter referred to as OIS) 8
Human interface to guide the result to the maintenance personnel Mb when the online information that has been captured is included and accident / fault information is included in the captured online information. Subsystem (hereinafter referred to as HIS-S) 9 and accident / fault guide reasoning subsystem (hereinafter referred to as HIS-T / S)
It is configured to output to 10 respectively.

The HIS-S9 includes CRT displays 11 and 12 for displaying accident guides in color graphics and characters, an image printer 13 for printing out accident guides, and a hard copy printer 14 for color hard copying accident / fault guides. It is composed by. In addition, the HIS-T / S 10 is a CRT display 15 that displays a fault guide in color graphics.
And an image printer 16 that prints out a failure guide
And the hard copy printer 14 described above.

On the other hand, the control center C / C side can be connected to a notebook computer 17 for collecting field device data, and a fault guide for inferring a fault guide of the collected data of the notebook computer 17 in the coupled state. An inference subsystem (hereinafter referred to as HIS-T / C) 18 is provided. The HIS-T / C 18 is composed of a CRT display 19 for displaying a fault guide in color graphic, an image printer 20 for printing out the fault guide, and a hard copy printer 21. Also,
The HIS-C2 is a CRT display 22, which displays an accident guide in color graphics and characters.
23 and an image printer 2 that prints out an accident guide
4 and the hard copy printer 21.

FIG. 2 is a schematic configuration diagram of the IFS1 which is an accident guide function inference unit on the substation S / S side.
The IFS 1 has a data control unit (hereinafter referred to as DCB) for executing the inference necessary for the actual operation based on the online information taken in through the OIS 8.
25 and an inference unit (hereinafter, referred to as IFB) 26, other additional information such as information on the other end and information on the accident site inspection result is added to the above D.
It has an offline information input unit (hereinafter referred to as HIS) 29 that can be input to the CB 25 and a knowledge base database 27 of frame structure.

The IFB 26 is realized by six inference modules. That is, as shown in the schematic diagram of the module operation in FIG. 3, there is knowledge about the order of the response processing at the time of an accident, and other five inference module operations described later, that is, "inference control" for controlling the flow of inference. "Accident location determination", "Abnormal condition monitoring",
It is categorized according to the phase (by job) of the response process at the time of an accident, such as "contact with related parts", "site inspection", and "system operation",
It is realized by five inference modules that infer using the knowledge base database 27 about the equipment configuration of the substation.

The above six inference modules are respectively
As shown in the schematic diagram of the inference processing in FIG. 4, reception of online information from the DCB 25 and the inference function module M
Information is passed to D1 to MD10, and the inference function module to be executed is selected (that is, MD1 is selected first upon reception of online information including an accident, and then M
Select in the order of D2 → MD3 → MD4 → ..., and if the processing is not necessary depending on the accident situation, each inference function module determines and skips the processing), and one of the inference function modules is selected. HIS while running
When additional information such as partner information or accident inspection result information is input to the DCB 25 from 29, the inference processing is transferred to the MD1 and the inference is executed again. The outline of the processing mechanism is as shown in FIG.

[0014] The above-mentioned phase, accident location determining of diagnosis type to investigate the cause of the accident situation, abnormal condition monitoring, relationship箇
Place contact, it is roughly divided into two and on-site inspection, and planning type of system operation to create a procedure to solve the problem from the problems of the situation
The former diagnostic type can be refined to preprocessing + condition judgment, system search processing, database search, and set operation. The latter planned type system operation work is to create a target system plan for emergency restoration and process order. It can be detailed in the creation and creation of the operation sequence, prepare a dedicated knowledge expression format for each of the detailed work types, and according to the progress of the accident / fault response processing,
The inference may be executed so that the IFB 26 interprets the dedicated knowledge expression.

I in IFS1 on the substation S / S side
The inference results of the above 6 inference modules in FB26 are
In addition to being output to the HIS-S9 in the form shown in FIG. 2 (CRT display and printout), it is also transmitted to the control center C / C side through the MODEM3,
It is output to the HIS-T / S 10 in each form. Further, the knowledge base 27 having a frame structure is used.
Is a macro system knowledge base 27a and a main circuit knowledge base 2
7b, equipment knowledge base 27c, equipment room knowledge base 27
d, a relay knowledge base 27e, and a contact knowledge base 27f.

The six inference modules in the IFB 26 having the above structure are as shown in FIG. To explain these outlines, "inference control" is to activate the corresponding function module according to the accident situation and inference result with the input of accident information and inference result, and execute inference processing. Location determination "
Determines the location of an accident with the input of grid online information, and if offline information is entered during the execution of inference for that determination, the offline information is taken into account and the inference is performed again to determine the location of the accident. It is to determine the malfunction of the relay and the malfunction of the CB, and the "abnormal condition monitoring" monitors the abnormal condition with the input of system information and transmits the occurrence of the abnormal condition to the control module. Yes, "Relevant part contact" outputs the contact information to the format along with the input of accident information and inference results, and the DCB with the format filled.
The output instruction of the form is output to 25. The "site inspection" determines the inspection location along with the input of accident information and accident section, and creates the inspection method and detailed inspection items for safety measures. Yes, also "system operation"
Creates an operation procedure for eliminating the abnormal state with the input of the abnormal state, and also creates and outputs a system plan for the purpose of emergency recovery with the input of the target system.
And the operation procedure is created from the target system.

In the above embodiment, the reasoning of the accident guide function is explained as a function for guiding the emergency recovery treatment method when a serious failure occurs in the substation premises, but when a minor failure occurs in the substation. It is also applicable to the reasoning of the fault guide function that guides the search for the location of the fault occurrence and the emergency treatment method.

[0018]

As described above, according to the present invention, when accident / fault information is included in the taken-in online information of the substation system, the reasoning unit can take emergency measures based on the information. perform the necessary reasoning, guide content as the inference result, for example, is output to the human interface device in the form of a CRT screen display, such
Analysis of response processing for accidents and obstacles when executing inference
Accident location determination, abnormal condition monitoring, related location communication, current
Classified into five types of work, field patrol and system operation, and
Knowledge constructed by dedicated knowledge representation for each job classified from
Five inference engines execute predetermined inference using base
Therefore, increase the abstraction level of the expression and
Can be easily understood and read by non-computer engineers
It is possible to
A knowledge base that responds to changes in ratings and methods of first aid.
It is easy for the DE itself to change the knowledge of
Can be revealed and knowledge base knowledge error etc.
Is also easy to find. Also, in the event of an accident or obstacle
For example, the DE is
Recognize, classify as a unit close to the actual processing, and classify
Emphasis on processing speed, emphasis on maintainability, etc. according to the type of work performed
Request each process using different types of inference engines
It is possible to satisfy the functions and performance
The reliability as a whole can be improved. Moreover,
In the middle of execution of inference with the input of the online information as described above, for example, additional information, such as information that gradually clear to become the incoming accident and disability status information and operator is obtained by patrol the site with the passage of time From the offline information input section
By arbitrarily input, it is possible to perform the inference by adding additional information that is the input again, only online information in the case of accident or disorder changes hardly accident, failure or temporally situation judgment, It is possible to obtain a highly accurate inference result by taking a large number of information as the basis of inference. Therefore, it is possible to narrow down the accident / failure occurrence section, appropriately perform first aid based on the inference result, and significantly improve the desired driving support effect.

[Brief description of drawings]

FIG. 1 is an overall schematic configuration diagram of a driving support system for a substation according to the present invention.

FIG. 2 is a schematic configuration diagram of an inference subsystem that is an accident guide function inference unit in a substation.

FIG. 3 is a schematic diagram of a functional module operation.

FIG. 4 is a diagram illustrating an outline relationship of inference processing.

FIG. 5 is a diagram showing an outline of a processing mechanism of a functional module.

[Explanation of symbols]

 1 IFS (Inference Subsystem) 7 JSB (Relay Board) 8 OIS (Online Information Input Section) 9 HIS-S (Human Interface Device) 26 IFB (Inference Section) 27 Knowledge Base 29 HIS (Offline Information Input Section)

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Haruki Onoue 3-22 Nakanoshima, Kita-ku, Osaka-shi, Osaka Prefecture 3-22 Kansai Electric Power Co., Inc. (72) Shuji Matsumoto 3-chome Nakanoshima, Kita-ku, Osaka-shi, Osaka No. 22 In Kansai Electric Power Co., Inc. (72) Inventor Kuniomi Yamada 3-14-40 Senrioka, Settsu-shi, Osaka Toko Seiki Co., Ltd. (72) Yoshiyuki Takaoka 3-14-40 Senrioka, Settsu-shi, Osaka Toko Seiki Co., Ltd. (72) Inventor Norio Higashiyama 3-14-40 Senrioka, Settsu-shi, Osaka Toko Seiki Co., Ltd. (72) Inventor Takahiro Nakai 3-14-40 Senrioka, Settsu-shi, Osaka Toko Seiki Co., Ltd. (56) References "Primary Substation Operation Support System", Material of Society for Artificial Intelligence, SIG-KBS-9003-10 (1990), Yamada Mizukami et al., P91-100 “Shell for exclusive use of primary substation operation-development of inference core system-”, The Institute of Electrical Engineers of Japan, Technical Report on Power Technology, PE-89-19 (1989), Oki Yamada et al. 21-29

Claims (1)

[Claims] 1. An inference unit that takes in online information of a substation system and, when the taken online information includes accident / failure information, executes an inference necessary for first aid based on the information. A driving support device for a substation, comprising a human interface device that outputs the inference result of the inference unit to guide the operator, wherein the inference unit is an online support device including accident / fault information.
Control the flow of inference as information is input
For analysis of one inference engine and accident / fault response processing
Accident location determination, abnormal condition monitoring, related location communication, site
Categorized into 5 types of work, patrol and system operation, and
A knowledge base constructed by dedicated knowledge representation for each classified job.
Five inference engines that infer using the source and the above inference
Enter other additional information into the department, including accident / fault information
It also has an offline information input section that enables
In addition, while the inference section is performing inference with the input of online information including accident / fault information,
Other additional information including accident / fault information from the IN information input section
Is input, the driving support device for a substation is provided with a means for executing the inference again with the additional information taken into consideration.