CN110188948B - Processing and guiding method for simulator fault - Google Patents
Processing and guiding method for simulator fault Download PDFInfo
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- CN110188948B CN110188948B CN201910461108.3A CN201910461108A CN110188948B CN 110188948 B CN110188948 B CN 110188948B CN 201910461108 A CN201910461108 A CN 201910461108A CN 110188948 B CN110188948 B CN 110188948B
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Abstract
The invention discloses a processing and guiding method for analog machine faults, which is suitable for processing the analog machine faults of a nuclear power station, and comprises the following steps: establishing a fault processing data structure, wherein the fault processing data structure adopts a multi-branch tree form fault tree structure; the fault tree structure comprises a root node, wherein the root node comprises a plurality of first-level child nodes, each first-level child node comprises a plurality of second-level child nodes, each second-level child node comprises a plurality of third-level child nodes, the nodes go down to N levels of child nodes in sequence and finally reach leaf nodes, and N is a natural positive integer; corresponding to the root node and the multi-level child nodes, the fault phenomena of each level are correspondingly generated; and processing steps corresponding to the failure phenomena of the respective stages. The processing guidance method can effectively position the fault and improve the working efficiency.
Description
Technical Field
The invention relates to a processing and guiding method for simulator faults of a full-range simulator of a nuclear power station.
Background
At present, the faults of the nuclear power simulator for urban harbor defense lack a standardized fault processing flow, and no special method is used for systematic guidance during fault processing, so that the following problems exist:
1) the fault point can not be effectively positioned according to the fault phenomenon, so that the fault processing is invalid or the processing time is prolonged;
2) personnel carry out fault treatment according to personal experience, and human errors can be generated;
3) the new fault processing method of the simulator can not be added to the existing fault processing method in time;
4) there is no overall analysis of the fault handling records.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a method for processing and guiding faults of a simulator, which can well solve the problems in the prior art.
In order to achieve the above object, the present invention provides a method for processing and guiding a fault of a simulator, which is suitable for processing a fault of a simulator of a nuclear power plant, and the method for processing and guiding a fault of a simulator comprises: establishing a fault processing data structure, wherein the fault processing data structure adopts a multi-branch tree form fault tree structure; the fault tree structure comprises a root node, wherein the root node comprises a plurality of first-level child nodes, each first-level child node comprises a plurality of second-level child nodes, each second-level child node comprises a plurality of third-level child nodes, the nodes go down to N levels of child nodes in sequence and finally reach leaf nodes, and N is a natural positive integer; corresponding to the root node and the multi-level child nodes, the fault phenomena of each level are correspondingly generated; and processing steps corresponding to the failure phenomena of the respective stages.
In a preferred embodiment, the processing step comprises: discovering the fault phenomena of each level of the fault of the analog machine; processing according to the processing steps corresponding to the root nodes of the fault phenomena at all levels; selecting corresponding child nodes according to the processed fault phenomena of each level; processing according to the processing steps corresponding to the child nodes, and sequentially going downwards until the fault is solved or cannot be solved; modeling the processing steps of the faults of the simulator by using the final processing result as the data of the fault tree structure of the leaf node; and completing the processing and inputting the data into a database system with a fault tree structure.
In a preferred embodiment, the processing step further comprises: when the fault can not be solved, the fault is arranged and added into a database system with a fault tree structure.
In a preferred embodiment, the processing and guiding method for the simulator fault further comprises a fault iteration algorithm.
In a preferred embodiment, the fault iteration algorithm comprises: when the existing fault processing tool in the database system with the fault tree structure can not solve the fault, the fault is a newly added fault, after the newly added fault is analyzed and solved by professional engineers, the database system intelligently analyzes the context information of the newly added fault according to the solving process of the newly added fault, generates a new fault node, and supplements the new fault node into the database system with the fault tree structure, so that a fault processing data tree which continuously evolves by self is formed.
In a preferred embodiment, the processing and guiding method for the simulator fault further comprises a fault association matching algorithm.
In a preferred embodiment, the fault association matching algorithm comprises: in the fault execution process, the association processing scheme can be matched according to phenomena in real time, more comprehensive information can be given to fault processing personnel, and the best matching fault processing scheme can be found from the fault tree structure through the combined analysis of the fault phenomena.
In a preferred embodiment, the method for processing and guiding the simulator fault further comprises a fault alarm algorithm.
In a preferred embodiment, the fault warning algorithm comprises: the processing guidance method can automatically realize the equipment alarm of the analog machine according to the failure occurrence frequency, and the equipment alarm is listed as the failure to be solved urgently, and further measures of replacing equipment, updating software or updating hardware are taken.
In a preferred embodiment, the fault warning algorithm further comprises: according to the life cycle fault curve of the same type of equipment, the occurrence probability and the time period of the common mode fault are intelligently pre-judged, and the common mode fault is pre-judged so as to reduce the influence of the common mode fault.
Compared with the prior art, the method for processing and guiding the faults of the analog machine has the following beneficial effects: fault positioning is effectively carried out, and when a plurality of phenomena are met, fault association matching is automatically carried out to generate an optimal processing method; the problem of inheritance of a simulator fault processing technology is solved. Each excellent fault processing method can be timely recorded into a fault processing database; the working efficiency is improved. All personnel keep consistent operation flow for fault treatment of the simulator, so that the proficiency of operation is greatly improved, and the efficiency is further improved; repeated human errors are reduced, a database is formed, all people can know the occurrence reason and the processing of the faults, and retransmission can be effectively prevented; the common-mode fault can be effectively pre-judged, and the influence of the common-mode fault is reduced.
Drawings
Fig. 1 is a schematic diagram of a fault tree structure of a process steering method according to an embodiment of the present invention.
Fig. 2 is a flowchart illustrating processing steps of a process guidance method according to an embodiment of the invention.
Fig. 3 is a schematic diagram of an example process of a process steering method according to an embodiment of the invention.
Fig. 4 is a flow diagram of a fault iteration algorithm of a process steering method according to an embodiment of the invention.
Fig. 5 is a flow chart of a fault matching association algorithm for a process steering method according to an embodiment of the invention.
Fig. 6 is a flow diagram of a fault alarm algorithm for a process guidance method according to an embodiment of the present invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1, fig. 1 is a schematic diagram of a fault tree structure of a process steering method according to an embodiment of the present invention. According to a preferred embodiment of the present invention, a method for processing and guiding a simulator failure is applied to processing a simulator failure in a nuclear power plant, and includes: establishing a fault processing data structure, wherein the fault processing data structure adopts a multi-branch tree form fault tree structure which has roots, stems, branches, leaves and the like just like a branch; the fault tree structure comprises a root node, wherein the root node comprises a plurality of first-level child nodes, each first-level child node comprises a plurality of second-level child nodes, each second-level child node comprises a plurality of third-level child nodes, the nodes go down to N levels of child nodes in sequence and finally reach leaf nodes, and N is a natural positive integer; corresponding to the root node and the multi-level child nodes, there are corresponding failure phenomena at different levels, for example, a first-level phenomenon 1, a first-level phenomenon 2, a first-level phenomenon 3 … … can be up to a first-level phenomenon N, where N is a natural positive integer. The same can also have a second-level phenomenon 1, a second-level phenomenon 2 and a second-level phenomenon 3 … … which can be all right to a second-level phenomenon N or a third-level phenomenon 1, a third-level phenomenon 2 and a third-level phenomenon 3 … … which can be all right to a third-level phenomenon N and the like; and processing steps corresponding to various levels of fault phenomena, such as primary processing steps, secondary processing steps, tertiary processing steps … …, and so forth.
As shown in fig. 2, fig. 2 is a flowchart illustrating processing steps of a processing guidance method according to an embodiment of the invention. In some embodiments, the processing step comprises: discovering the fault phenomena of each level of the fault of the analog machine; processing according to the processing steps corresponding to the root nodes of the fault phenomena at all levels; selecting corresponding child nodes according to the processed fault phenomena of each level; processing according to the processing steps corresponding to the child nodes, and sequentially going downwards until the fault is solved or cannot be solved; modeling the processing steps of the faults of the simulator by using the final processing result as the data of the fault tree structure of the leaf node; and completing the processing and inputting the data into a database system with a fault tree structure. However, if the fault can not be eliminated at the leaf node, a professional engineer needs to analyze and collate the fault and add the fault to the database system of the fault tree structure.
As shown in fig. 3 and 4, fig. 3 is a schematic view of an example of a process of the process guidance method according to an embodiment of the present invention. Fig. 4 is a flow diagram of a fault iteration algorithm of a process steering method according to an embodiment of the invention. In some embodiments, the processing guidance method for the simulator fault further comprises a fault iteration algorithm. The fault iteration algorithm comprises the following steps: when the existing fault processing tool in the database system with the fault tree structure can not solve the fault, the fault is a newly added fault, after the newly added fault is analyzed and solved by professional engineers, the database system intelligently analyzes the context information of the newly added fault according to the solving process of the newly added fault, generates a new fault node, and supplements the new fault node into the database system with the fault tree structure, so that a fault processing data tree which continuously evolves by self is formed.
In the actual fault handling procedure, the following four paths may be selected:
path one: { simulator failure; (control terminal display error, restart two-tier server); the software of the second-layer server is started normally, and the first-layer server is restarted; [ resultantly, resolve failure ]
And a second route: { simulator failure; (control terminal display error, restart two-tier server); the software of the second-layer server is abnormally started, configured and re-operated; [ resultantly, resolve failure ]
Path three: { simulator failure; the software of the second-layer server is abnormally started, configured and re-operated; [ resultantly, resolve failure ]
And a fourth path: { simulator failure; the simulator does not travel in time and restarts a layer of servers; [ resultantly, resolve failure ]
When the four paths can not solve the problem, the new solving path is supplemented by utilizing the characteristic of the multi-branch tree structure, so that a fault processing data tree which continuously evolves by self is formed. (the four paths described above are exemplary only and the invention is not so limited)
Fig. 5 is a flow chart of a fault matching association algorithm for processing a steering method according to an embodiment of the present invention, as shown in fig. 3 and 5. In some embodiments, the process guidance method for simulator faults further comprises a fault association matching algorithm. The fault association matching algorithm comprises the following steps: in the fault execution process, the association processing scheme can be matched according to phenomena in real time, more comprehensive information can be given to fault processing personnel, and the best matching fault processing scheme can be found from the fault tree structure through the combined analysis of the fault phenomena.
In the actual processing steps:
if all paths are matched and associated when the phenomenon of abnormal software start of the two-layer server occurs, two paths may be obtained:
and a second route: { simulator failure; (control terminal display error, restart two-tier server); the software of the second-layer server is abnormally started, configured and re-operated; [ resultantly, resolve failure ]
Path three: { simulator failure; the software of the second-layer server is abnormally started, configured and re-operated; [ resultantly, resolve failure ]
Fig. 6 is a flow chart of a fault alarm algorithm for a process guidance method according to an embodiment of the present invention, as shown in fig. 3 and 6. In some embodiments, the method for processing guidance of the analog machine fault further comprises a fault alarm algorithm. The fault alarm algorithm comprises the following steps: the processing guidance method can automatically realize the equipment alarm of the analog machine according to the failure occurrence frequency, and the equipment alarm is listed as the failure to be solved urgently, and further measures of replacing equipment, updating software or updating hardware are taken.
In some embodiments, the fault alarm algorithm further comprises: according to the life cycle fault curve of the same type of equipment, the occurrence probability and the time period of the common mode fault are intelligently pre-judged, and the common mode fault is pre-judged so as to reduce the influence of the common mode fault.
In the actual fault processing, the following fault processing paths are targeted:
path one: { simulator failure; (control terminal display error, restart two-tier server); the software of the second-layer server is started normally, and the first-layer server is restarted; and (5) when the fault is solved for 5 times, alarming the fault processing path and reminding maintenance personnel to take related measures.
Path two { simulator failure; the simulator does not travel in time and restarts a layer of servers; [ resultantly, resolve failure ] 10 times, a severe warning occurs, and the maintenance personnel take further measures such as replacing one layer of server, and at the same time, recount the corresponding failure path.
Specifically, if five accidents have occurred consecutively at a certain node, at this time, the operator or the accident handler should pay attention to the node, and even remind the relevant person whether there is an accident risk that has not been reflected by other people between the path of the node and the power saving device related to the path. If more than six accidents happen at a certain node, relevant personnel should consider whether the path where the node is located has the problems that the service life of equipment is due and needs to be updated, or the update period of running software and hardware is long, find the problems in time and process the problems in time so as to avoid larger accidents or influences. It is the essence of the alarm function of the present invention that is described above.
In summary, the method for processing and guiding the failure of the simulator of the present invention has the following advantages: fault positioning is effectively carried out, and when a plurality of phenomena are met, fault association matching is automatically carried out to generate an optimal processing method; the problem of inheritance of a simulator fault processing technology is solved. Each excellent fault processing method can be timely recorded into a fault processing database; the working efficiency is improved. All personnel keep consistent operation flow for fault treatment of the simulator, so that the proficiency of operation is greatly improved, and the efficiency is further improved; repeated human errors are reduced, a database is formed, all people can know the occurrence reason and the processing of the faults, and retransmission can be effectively prevented; the common-mode fault can be effectively pre-judged, and the influence of the common-mode fault is reduced.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (3)
1. A processing and guiding method for simulator faults is suitable for processing the simulator faults of a nuclear power station, and is characterized by comprising the following steps:
establishing a fault processing data structure, wherein the fault processing data structure adopts a fault tree structure in a multi-branch tree form; the fault tree structure comprises a root node, the root node comprises a plurality of first-level child nodes, each first-level child node comprises a plurality of second-level child nodes, each second-level child node comprises a plurality of third-level child nodes, the nodes go down to N levels of child nodes in sequence and finally reach leaf nodes, wherein N is a natural positive integer;
corresponding to the root node and the multiple levels of the child nodes, the corresponding fault phenomena of each level are generated;
processing steps corresponding to the failure phenomena of the various levels, the processing steps comprising:
discovering the fault phenomena of each stage of the fault of the simulator;
processing according to the processing steps corresponding to the root nodes of the fault phenomena at all levels;
selecting corresponding child nodes according to the processed fault phenomena of each level;
processing according to the processing steps corresponding to the child nodes, and sequentially going downwards until the fault is solved or cannot be solved;
modeling the processing step of the simulator fault by using the data of the fault tree structure with the final processing result as a leaf node; after the processing is finished, inputting the data into a database system of the fault tree structure;
when the fault can not be solved, the fault is cleared up and added to a database system of the fault tree structure;
the processing guidance method further comprises: the fault diagnosis method comprises a fault iteration algorithm, a fault association matching algorithm and a fault alarm algorithm, wherein the fault alarm algorithm comprises the following steps:
the processing guidance method can automatically realize the equipment alarm of the analog machine according to the failure occurrence frequency, and the equipment alarm is listed as the failure to be solved, and further measures of replacing equipment, updating software or updating hardware are taken; and
according to a life cycle fault curve of the same type of equipment, intelligently pre-judging the occurrence probability and time period of the common mode fault, and pre-judging the common mode fault so as to reduce the influence of the common mode fault;
wherein the fault handling path of the fault alarm algorithm comprises:
path one: { simulator failure; (control terminal display error, restart two-tier server); the software of the second-layer server is started normally, and the first-layer server is restarted; (result, failure resolution) ], when 5 times appear, the failure processing path is alarmed, and maintenance personnel is reminded to take relevant measures; and
and a second route: { simulator failure; the simulator does not travel in time and restarts a layer of servers; [ RESULT, RESOURCE ] when 10 times, take serious warning, the maintainer takes the further measure of changing one layer of server, at the same time, recount the corresponding failure path.
2. The method of handling steering of a simulator failure of claim 1, wherein the failure iterative algorithm comprises: when the existing fault processing tool in the database system of the fault tree structure cannot solve the fault, the fault is a newly added fault, after the newly added fault is analyzed and solved by professional engineers, the database system intelligently analyzes the context information of the newly added fault according to the solving process of the newly added fault, generates a new fault node, and supplements the new fault node into the database system of the fault tree structure, so that a fault processing data tree which continuously evolves by self is formed.
3. The method of process steering of simulator faults according to claim 1, wherein said fault association matching algorithm comprises: in the fault execution process, the association processing scheme can be matched according to phenomena in real time, more comprehensive information can be given to fault processing personnel, and the best matching fault processing scheme can be found from the fault tree structure through the combined analysis of the fault phenomena.
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