CN114064711A - Rule base-based device exception handling method and device and storage medium - Google Patents
Rule base-based device exception handling method and device and storage medium Download PDFInfo
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Abstract
The invention discloses a rule base-based device exception handling method, a device and a storage medium, wherein the method comprises the following steps: periodically acquiring the opening amount and the electric amount sent by each device in the power system; carrying out data matching on the input quantity and the electric quantity which are sent upwards and an abnormality handling rule base which is constructed in advance, and carrying out device abnormality detection; and when the device is detected to be abnormal, issuing an abnormal handling suggestion to the device according to the abnormal handling rule base and displaying the abnormal handling suggestion. The device comprises an exception handling rule base, a signal acquisition module, an exception detection module, an exception handling module, an alarm module and a rule base updating module. The method can quickly and effectively identify the abnormal state of the security control device, provide a reasonable abnormal handling suggestion, and improve the working efficiency and the operation safety and reliability of the power grid safety and stability control system.
Description
Technical Field
The invention relates to a rule base-based device exception handling method, a rule base-based device exception handling device and a storage medium, and belongs to the technical field of power systems and automation thereof.
Background
With the continuous development of the extra-high voltage power grid, the safety and stability control system plays an increasingly important role, the system scale is larger, and the system structure is more complex. Once some abnormity occurs in the actual operation of the power grid, such as incorrect information acquisition, communication interruption, device quit operation, wrong strategy entry, mismatching modes and the like, the device abnormity in the power grid can be caused, the correct execution of the device strategy is influenced, the reliability of the system is further influenced, and the power grid operation is possibly caused to have a greater risk under severe conditions. The reliability guarantee measures of the existing device mainly depend on testing before the device leaves a factory and on-site joint debugging, and abnormal links and potential safety hazards of the device are difficult to find completely. Even if abnormality and alarm occur in a device or a communication channel during operation, the device or the communication channel is mainly discovered and reported step by personnel at a station end, analysis and operation and maintenance disposal are carried out by personnel in a mode, the involved operation and maintenance units are numerous, the period is long, the efficiency is low, and potential safety hazards are difficult to eliminate in time.
After the device is abnormal, if the traditional manual handling mode by the dispatching personnel is still adopted, the problems of large workload, low handling speed and the like exist, and great working pressure is brought to the dispatching personnel. How to shield the difference of control logics of different devices under the condition that the operation management regulations of the power grid safety and stability control system are continuously expanded, quickly and effectively identify the abnormal state of the safety control device, provide reasonable decision-making assistance suggestions, assist the daily work of scheduling personnel, and effectively deal with the current situation that the power grid safety control system is large in scale and wide in coverage range, and is a problem which needs to be solved urgently.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a device abnormity handling method, a device and a storage medium based on a rule base.
In order to solve the technical problems, the invention adopts the following technical means:
in a first aspect, the present invention provides a method for handling device exceptions based on a rule base, including the following steps:
periodically acquiring the opening amount and the electric amount sent by each device in the power system;
carrying out data matching on the input quantity and the electric quantity which are sent upwards and an abnormality handling rule base which is constructed in advance, and carrying out device abnormality detection;
and when the device is detected to be abnormal, issuing an abnormal handling suggestion to the device according to the abnormal handling rule base and displaying the abnormal handling suggestion.
With reference to the first aspect, further, the method for constructing the exception handling rule base includes:
carrying out standard structural description on the abnormal processing logic of the safety control device of the power system to obtain an abnormal handling suggestion of each device;
acquiring a mapping relation between device abnormality and upper power transmission air quantity and input quantity according to historical abnormal data of the power system;
generating an abnormal rule according to the abnormal handling proposal of the device and the mapping relation corresponding to the device;
and constructing an exception handling rule base by using exception rules of all devices.
With reference to the first aspect, further, each exception rule includes one or more sub-rules, rule relationships, and exception handling suggestions; wherein each sub-rule is an independent judgment logic; the rule relation is used for defining a logical operation relation among a plurality of sub-rules in the exception rule, and the rule relation comprises a logical AND and a logical OR.
With reference to the first aspect, further, the sub-rules include an exception type, an exception description, an effective condition, and an association apparatus; wherein the exception description comprises an exception description when the sub-rule takes effect; the effective conditions comprise logical operators, arithmetic operators, relational operators and keywords; the associated device indicates the name of the device in which the exception occurred when the sub-rule was in effect.
With reference to the first aspect, further, the method for detecting device abnormality includes:
retrieving all exception rules for the device from an exception handling rule base according to the device name;
traversing each abnormal rule, and matching the input quantity and the electrical quantity sent by the device with the input quantity and the electrical quantity mapped by the abnormal rule;
and when the matching is successful, prompting that the device is detected to be abnormal, otherwise prompting that the device is not detected to be abnormal.
With reference to the first aspect, further, the method further includes the following steps:
acquiring an abnormal signal sent by a device;
when the device is detected to be abnormal and an abnormal signal sent by the device is not received, an alarm for abnormal sending and not sending is carried out;
when the device is not detected to be abnormal but an abnormal signal sent by the device is received, an abnormal and undetected alarm is given;
and generating a new abnormal rule according to the undetected abnormal signal in the abnormal undetected alarm, and updating the abnormal handling rule base.
With reference to the first aspect, further, the method further includes the following steps:
and periodically searching and checking the exception handling rule base, judging whether each exception rule in the exception handling rule base is established, and modifying or deleting the abnormal rule which is not established.
In a second aspect, a rule base based device exception handling device, comprises:
an exception handling rule base for storing device exception information, exception rules, and exception handling suggestions for each device in the power system;
the signal acquisition module is used for periodically acquiring the opening amount and the electric quantity sent by each device in the power system;
the anomaly detection module is used for carrying out data matching on the uploaded input quantity and the electric quantity and a pre-constructed anomaly handling rule base to carry out device anomaly detection;
the exception handling module is used for issuing an exception handling suggestion to the device according to the exception handling rule base and displaying the exception handling suggestion when the device is detected to be abnormal;
the alarm module is used for carrying out an abnormal non-uploading alarm when the device is detected to be abnormal and an abnormal signal uploaded by the device is not received, and is also used for carrying out an abnormal non-detection alarm when the device is not detected to be abnormal and the abnormal signal uploaded by the device is received;
and the rule base updating module is used for generating a new abnormal rule according to the undetected abnormal signal and updating the abnormal handling rule base after receiving the abnormal undetected alarm.
In a third aspect, the present invention provides a device exception handling device based on a rule base, including a processor and a storage medium;
the storage medium is used for storing instructions;
the processor is configured to operate in accordance with the instructions to perform the steps of the method of the first aspect of the invention.
In a fourth aspect, the invention proposes a computer-readable storage medium having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method according to the first aspect of the invention.
The following advantages can be obtained by adopting the technical means:
before real-time device exception handling, the invention analyzes the difference of control logics of different devices, carries out standard structural description on device exception related information, establishes an exception handling rule base, and provides a data base for subsequent exception detection and handling, wherein the rule base contains all currently known device exceptions and handling suggestions thereof. The method is based on the abnormal handling rule base, data matching is carried out according to the electric quantity and the input quantity sent by the current device, the abnormal state of the safety control device is quickly and effectively identified, a reasonable abnormal handling suggestion is provided, and the abnormal detection process is quick and accurate. In order to deal with more abnormal conditions, the invention can also update the abnormal handling rule base according to the abnormal signals sent by the device, thereby ensuring the completeness and accuracy of the rule base.
The invention can improve the working efficiency and the operation safety and reliability of the power grid safety and stability control system, and improve the accuracy of abnormal handling of the device, thereby improving the safety and stability of the power grid system.
Drawings
FIG. 1 is a flow chart illustrating the steps of a rule base based device exception handling method according to the present invention;
FIG. 2 is a schematic diagram of a rule base based device exception handling apparatus according to the present invention.
Detailed Description
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
in order to realize a quick and accurate device exception handling process, the invention constructs an exception handling rule base, and the specific operations are as follows:
(1) and carrying out standard structural description on the abnormal processing logic of the safety control device of the power system, and obtaining the basic abnormal information and the abnormal handling suggestion of each device. The basic information of the exception comprises a device name, an exception description, an exception related numerical value and the like, and the exception handling suggestion is an operation means which can be used for solving the exception after the device exception occurs and is an effective assistant decision suggestion.
(2) And acquiring a mapping relation between the device abnormality and the upper power transmission air quantity and the input quantity according to historical abnormal data of the power system, namely, the device abnormality occurs after the electrical quantity and/or the input quantity transmitted on the device reach a certain value/interval.
(3) And generating an abnormal rule according to the abnormal basic information, the abnormal handling suggestion and the mapping relation corresponding to the device. Each exception rule includes one or more sub-rules, rule relationships, and exception handling suggestions, among other things.
301) Each sub-rule is an independent judgment logic, and different sub-rules have unique numbers, such as: sub-rule 1, sub-rule 2, …, sub-rule n.
The sub-rules comprise an exception type, an exception description, an effective condition and an associated device; wherein the exception description comprises an exception description when the sub-rule takes effect; the effective conditions comprise logical operators, arithmetic operators, relational operators and keywords; the associated device indicates the name of the device in which the exception occurred when the sub-rule was in effect.
a. The effective conditions can refer to the state of a device pressing plate or primary equipment through a logic operator, an arithmetic operator, a relational operator and a keyword to form a formula supporting syntax analysis, and the effective conditions of the rules in the operation management regulation of the power grid safety and stability control system are structurally described.
The logical operator refers to a symbol for logical operation, and mainly includes and (& &), or (|), not (|), and the like. Arithmetic operators refer to algebraic operators used for numerical calculations, and include mainly addition (+), subtraction (-), multiplication (x), and division (/), etc. The relational operator means a symbol used for the relational operation, and mainly includes less than (<), less than or equal to (< ═), greater than (>), greater than or equal to (>), equal to (═), not equal to (| >), and the like. Table 1 shows a reference description of some logical operators in the present invention:
TABLE 1
| Serial number | (symbol) | Name (R) |
| 1 | ( | Left bracket |
| 2 | ) | Right bracket |
| 3 | + | Adding |
| 4 | - | Reducing |
| 5 | × | Riding device |
| 6 | / | Removing device |
| 7 | && | Logic AND |
| 8 | || | Logic or |
| 9 | ！ | Logical not |
| 10 | & | Arithmetic and |
| 11 | | | arithmetic or |
| 12 | >＝ | Is greater than or equal to |
| 13 | > | Is greater than |
| 14 | <＝ | Is less than or equal to |
| 15 | < | Is less than |
| 16 | ＝＝ | Is equal to |
| 17 | ！＝ | Is not equal to |
The keyword reference mainly describes the status of the device or the primary equipment by keywords, and mainly includes a device platen status (valid), a component commissioning status (run), a component active status (p), and the like, and the keyword reference description is shown in table 2.
TABLE 2
According to tables 1 and 2, when the sub-rule validation requires that the device platen be in the throw-in state, the validation condition formula can be expressed as: run (device platen) is 1.
b. The abnormal type is used for describing the abnormal type to which the device abnormality belongs, and the device abnormality can be classified into abnormal types such as inter-station communication abnormality, intra-station communication abnormality, overload alarm and the like by analyzing the common abnormality of the security and stability control device and factors causing the abnormality in different regions, different levels and different functions, as shown in table 3.
TABLE 3
c. And describing the exception, wherein in order to improve the universality and flexibility of the exception rule, the specific exception corresponding to the sub-rule is described by using a character string containing a wildcard, the wildcard uses an '@ number (n)' to express that the nth parameter in the effective condition formula is referred, and if n is 0(@0), the name of the device associated with the current exception is referred.
302) Rule relationships are used to define logical operational relationships between multiple sub-rules in an exception rule, and include logical AND, logical OR, for example: sub rule 1& & sub rule 2| | | sub rule 3.
303) The character string logic of the exception handling suggestion is consistent with the character string logic of the exception description, the handling suggestion when the sub rule is effective is described by using the character string containing the wildcard, the wildcard uses the '@ number (n)' to express that the nth parameter in the effective condition formula is referred, and if n is 0(@0), the name of the device associated with the current exception is referred.
The following takes device a mode exception as an example, and introduces a specific exception rule definition:
sub-rule 1 is defined as follows:
the effective condition is as follows: run (special mode one pressing plate, special mode two pressing plate) < ═ 1
Type of Exception mode Exception
Description of the anomaly: @0 mode abnormality (@1 and @2 simultaneously input)
The association device: device A
Rule relationship: sub rule 1
And (3) exception handling suggestion: the @0 mode is abnormal, and the @1 and the @2 are simultaneously input, so that a dispatcher needs to perform proper operation of putting and withdrawing the pressing plate.
(4) And (4) generating corresponding exception rules for all device exceptions of all devices by the method of the steps (1) to (3), and then constructing an exception handling rule base by using the exception rules of all devices.
Based on the above exception handling rule base, the present invention provides a rule base-based device exception handling method, as shown in fig. 1, which specifically includes the following steps:
and step A, periodically acquiring the opening amount and the electric amount sent by each device in the power system.
B, matching the input quantity and the electric quantity which are sent upwards with the preset exception handling rule base to detect the exception of the device, wherein the specific operation is as follows:
step B01, retrieve all exception rules for the device from the exception handling rule base according to the device name.
And step B02, traversing each abnormal rule, and matching the input quantity and the electrical quantity sent by the device with the input quantity and the electrical quantity mapped by the abnormal rule.
And step B03, when the matching is successful, prompting that the device is detected to be abnormal, otherwise, prompting that the device is not detected to be abnormal.
Taking the mode abnormality of the device a as an example, assuming that the special mode one pressing plate and the special mode two pressing plate are both in the input state according to the input amount sent by the device a at the current time, the abnormality description according to the sub-rule 1 is met, which indicates that the mode abnormality occurs in the device a, and at this time, it is necessary to prompt that the device abnormality is detected.
And step C, when the device is detected to be abnormal, issuing an abnormal handling suggestion to the device according to the abnormal handling rule base and displaying the abnormal handling suggestion.
In order to further improve the accuracy of anomaly detection, the anomaly consistency detection is also required to be carried out in the invention, and the specific operations are as follows:
and D01, acquiring an abnormal signal sent by the device, wherein the abnormal signal is a signal generated after the device senses the abnormality, belongs to one data type in an output quantity, and is represented by an integer array, wherein usually 0 represents no specified abnormality, and 1 represents the abnormality.
Step D02, when the device abnormality is not detected and the abnormality signal sent by the device is not received, no processing is required.
And D03, when the device is detected to be abnormal and the abnormal signal sent by the device is not received, indicating that the abnormal detection of the device is in problem, carrying out an abnormal non-sending alarm, and simultaneously sending an abnormal handling suggestion to the device according to the abnormal handling rule base and displaying the abnormal handling suggestion.
Step D04, when the device abnormality is not detected but the abnormality signal sent from the device is received, it indicates that there is an abnormality in the device, but the abnormality handling rule base does not have the information of the abnormality in the device, and an abnormality undetected alarm is given.
And D05, generating a new abnormal rule according to the abnormal signals which are not detected in the abnormal undetected alarm, and updating the abnormal handling rule base.
In order to further improve the accuracy of the exception handling rule base, the invention also needs to periodically search and check the exception handling rule base, judge whether each exception rule in the exception handling rule base is established, and modify or delete the false exception rule.
The invention also provides a device exception handling device based on the rule base, which comprises an exception handling rule base, a signal acquisition module, an exception detection module, an exception handling module, an alarm module and a rule base updating module as shown in fig. 2.
The exception handling rule base is mainly used for storing device exception information, exception rules and exception handling suggestions of each device in the power system.
The signal acquisition module is mainly used for periodically acquiring the opening amount and the electric quantity sent by each device in the power system.
And the abnormity detection module is mainly used for performing data matching on the uploaded input quantity and the electric quantity with a pre-constructed abnormity handling rule base to perform device abnormity detection, and the specific operation is consistent with the step B of the method.
And the exception handling module is mainly used for issuing an exception handling suggestion to the device according to the exception handling rule base and displaying the exception handling suggestion when the device is detected to be abnormal.
The alarm module is mainly used for alarming when the device is detected to be abnormal and does not receive the abnormal signal sent by the device, and is also used for alarming when the device is not detected to be abnormal and receives the abnormal signal sent by the device, and the alarm module is used for alarming when the device is not detected to be abnormal and does not detect the abnormality.
The rule base updating module is mainly used for generating a new abnormal rule according to the undetected abnormal signal and updating the abnormal handling rule base after receiving the abnormal undetected alarm.
The invention also provides a device exception handling device based on the rule base, which comprises a processor and a storage medium; wherein the storage medium is configured to store instructions; the processor is operative to perform the steps of the method of the present invention in accordance with the instructions.
The invention also proposes a computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the inventive method.
According to the method, the data base is provided for the device abnormity detection and disposal by utilizing the abnormity disposal rule base, then the abnormal state of the safety control device is rapidly and effectively identified according to the electric quantity and the input quantity sent by the current device, and a reasonable abnormity disposal suggestion is provided.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A device exception handling method based on a rule base is characterized by comprising the following steps:
periodically acquiring the opening amount and the electric amount sent by each device in the power system;
carrying out data matching on the input quantity and the electric quantity which are sent upwards and an abnormality handling rule base which is constructed in advance, and carrying out device abnormality detection;
and when the device is detected to be abnormal, issuing an abnormal handling suggestion to the device according to the abnormal handling rule base and displaying the abnormal handling suggestion.
2. The method for handling the device exception based on the rule base according to claim 1, wherein the method for constructing the exception handling rule base comprises the following steps:
carrying out standard structural description on the abnormal processing logic of the safety control device of the power system to obtain an abnormal handling suggestion of each device;
acquiring a mapping relation between device abnormality and upper power transmission air quantity and input quantity according to historical abnormal data of the power system;
generating an abnormal rule according to the abnormal handling proposal of the device and the mapping relation corresponding to the device;
and constructing an exception handling rule base by using exception rules of all devices.
3. The rule base-based device exception handling method of claim 2, wherein each exception rule comprises one or more sub-rules, rule relationships and exception handling suggestions; wherein each sub-rule is an independent judgment logic; the rule relation is used for defining a logical operation relation among a plurality of sub-rules in the exception rule, and the rule relation comprises a logical AND and a logical OR.
4. The rule base based device exception handling method according to claim 3, wherein the sub-rules comprise an exception type, an exception description, an effect condition and an associated device; wherein the exception description comprises an exception description when the sub-rule takes effect; the effective conditions comprise logical operators, arithmetic operators, relational operators and keywords; the associated device indicates the name of the device in which the exception occurred when the sub-rule was in effect.
5. The method for handling device exception based on rule base according to claim 1 or 2, wherein the method for detecting device exception is as follows:
retrieving all exception rules for the device from an exception handling rule base according to the device name;
traversing each abnormal rule, and matching the input quantity and the electrical quantity sent by the device with the input quantity and the electrical quantity mapped by the abnormal rule;
and when the matching is successful, prompting that the device is detected to be abnormal, otherwise prompting that the device is not detected to be abnormal.
6. The rule base based device exception handling method according to claim 5, wherein the method further comprises the steps of:
acquiring an abnormal signal sent by a device;
when the device is detected to be abnormal and an abnormal signal sent by the device is not received, an alarm for abnormal sending and not sending is carried out;
when the device is not detected to be abnormal but an abnormal signal sent by the device is received, an abnormal and undetected alarm is given;
and generating a new abnormal rule according to the undetected abnormal signal in the abnormal undetected alarm, and updating the abnormal handling rule base.
7. The rule base based device exception handling method according to claim 1, further comprising the steps of:
and periodically searching and checking the exception handling rule base, judging whether each exception rule in the exception handling rule base is established, and modifying or deleting the abnormal rule which is not established.
8. A rule base based device exception handling device, comprising:
an exception handling rule base for storing device exception information, exception rules, and exception handling suggestions for each device in the power system;
the signal acquisition module is used for periodically acquiring the opening amount and the electric quantity sent by each device in the power system;
the anomaly detection module is used for carrying out data matching on the uploaded input quantity and the electric quantity and a pre-constructed anomaly handling rule base to carry out device anomaly detection;
the exception handling module is used for issuing an exception handling suggestion to the device according to the exception handling rule base and displaying the exception handling suggestion when the device is detected to be abnormal;
the alarm module is used for carrying out an abnormal non-uploading alarm when the device is detected to be abnormal and an abnormal signal uploaded by the device is not received, and is also used for carrying out an abnormal non-detection alarm when the device is not detected to be abnormal and the abnormal signal uploaded by the device is received;
and the rule base updating module is used for generating a new abnormal rule according to the undetected abnormal signal and updating the abnormal handling rule base after receiving the abnormal undetected alarm.
9. A device exception handling device based on a rule base is characterized by comprising a processor and a storage medium;
the storage medium is used for storing instructions;
the processor is configured to operate in accordance with the instructions to perform the steps of the method according to any one of claims 1 to 7.
10. Computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
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| CN112084220A (en) * | 2020-09-21 | 2020-12-15 | 国网重庆市电力公司营销服务中心 | Method and device for diagnosing abnormity of electric energy metering device and readable storage medium |
| CN112311803A (en) * | 2020-11-06 | 2021-02-02 | 杭州安恒信息技术股份有限公司 | Rule base updating method and device, electronic equipment and readable storage medium |
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| CN112084220A (en) * | 2020-09-21 | 2020-12-15 | 国网重庆市电力公司营销服务中心 | Method and device for diagnosing abnormity of electric energy metering device and readable storage medium |
| CN112311803A (en) * | 2020-11-06 | 2021-02-02 | 杭州安恒信息技术股份有限公司 | Rule base updating method and device, electronic equipment and readable storage medium |
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| CN116340874A (en) * | 2023-05-29 | 2023-06-27 | 广东电网有限责任公司中山供电局 | Health physical examination method and device for power grid metering automation system and readable medium |
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