CN105373116B - Zone controller failure methods of exhibiting and device - Google Patents
Zone controller failure methods of exhibiting and device Download PDFInfo
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- CN105373116B CN105373116B CN201510824721.9A CN201510824721A CN105373116B CN 105373116 B CN105373116 B CN 105373116B CN 201510824721 A CN201510824721 A CN 201510824721A CN 105373116 B CN105373116 B CN 105373116B
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- fault message
- fault
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- unstructured
- zone controller
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0216—Human interface functionality, e.g. monitoring system providing help to the user in the selection of tests or in its configuration
Abstract
The present invention relates to a kind of zone controller failure methods of exhibiting and device, this method includes obtaining the current unstructured fault message of the internal operation daily record of zone controller；Preset failure allocation list is searched according to the current unstructured fault message, to obtain current structure fault message corresponding with the currently unstructured fault message, there is the corresponding relation between unstructured fault message and structuring fault message in the preset failure allocation list；The current structure fault message is shown.The present invention can make field engineer and maintenance engineer more intuitively determines the fault message of zone controller equipment, reduce fault location time, reduce the working strength of engineer, improve the operating efficiency of engineer.
Description
Technical field
The present invention relates to Train Control field, more particularly to a kind of zone controller failure methods of exhibiting and device.
Background technology
As domestic CBTC (communication-based train control system) is in nationwide gradual popularization and application, state is indicated
Production CBTC systems have safe and stable, reliable, efficient performance.Wherein, for sending the ZC (regions of logic block occupied information
Controller) ground nucleus equipment as CBTC systems, to ensure safe train operation, played an important role.
But because CBTC systems have operation scene diversity, interaction data magnanimity, field apparatus high degree of dispersion
Property, field apparatus high complexity and it is uncertain the features such as so that ZC has certain probability of malfunction.Current ZC failures point
Analysis method is mainly to be realized by Direct Analysis ZC internal operations daily record.ZC internal operation daily record essential record ZC internal memory shapes
The current and historic state of each equipment in state, including circuit, pattern, grade and the positional information of train and the communication of each peripheral hardware
Interface data etc..
Due to ZC internal operation daily records include be magnanimity unstructured data, and most of is binary data, existing
It is extremely difficult that engineering staff analysis, which is got up, thus be usually by ZC research staff by first analyzing ZC running logs, then
The mode of report is write to carry out failure explanation, result in that fault location time is long, person works' intensity is big and operating efficiency
Low problem.
The content of the invention
The technical problems to be solved by the invention are how to realize the fast positioning directly perceived of zone controller failure.
For this purpose, one aspect of the present invention proposes a kind of zone controller failure methods of exhibiting, this method includes：
Obtain the current unstructured fault message of the internal operation daily record of zone controller；
Preset failure allocation list is searched according to the current unstructured fault message, with obtain with it is described currently non-structural
Change current structure fault message corresponding to fault message, have in the preset failure allocation list unstructured fault message and
Corresponding relation between structuring fault message；
The current structure fault message is shown.
Preferably, it is described preset failure allocation list is searched according to the current unstructured fault message before, this method
Also include：
The sample interior running log of predetermined number in zone controller is obtained, is obtained according to the sample interior running log
This unstructured fault message is sampled, and detects structuring corresponding with the unstructured fault message of the sample event of user's input
Hinder information, according to the corresponding relation of the unstructured fault message of the sample and composition of sample fault message structure
Preset failure allocation list.
Preferably, it is described corresponding with the composition of sample fault message according to the unstructured fault message of the sample
After relation builds the preset failure allocation list, in addition to：
Alert levels corresponding to the structuring fault message are set in the preset failure allocation list；
Correspondingly, it is described to be shown the current structure fault message, be specially：
The current structure fault message and alert levels corresponding with the current structure fault message are carried out
Displaying.
Preferably, it is described the current structure fault message is shown before, this method also includes：
The current structure fault message is stored to Mishap Database, the current structure fault message includes should
At least one of in faulty equipment type, fault time, the position of fault and alert levels corresponding to structuring fault message.
Preferably, it is described to be shown the current structure fault message, be specially：By current structureization event
Barrier information is shown in display interface, event corresponding to current structure fault message described in the display interface real-time display
Hinder at least one in device type, fault time, the position of fault and alert levels.
On the other hand, present invention also offers a kind of zone controller failure exhibiting device, the device to include：
Data acquisition unit, the current unstructured fault message of the internal operation daily record for obtaining zone controller；
Fault message structuring unit, preset failure allocation list is searched according to the current unstructured fault message, with
Current structure fault message corresponding with the currently unstructured fault message is obtained, is deposited in the preset failure allocation list
There is the corresponding relation between unstructured fault message and structuring fault message；
Fault message display unit, for the current structure fault message to be shown.
Preferably, in addition to：
Fault configuration table construction unit, for obtaining the sample interior running log of predetermined number in zone controller, root
The unstructured fault message of sample is obtained according to the sample interior running log, and detects the non-structural with the sample of user's input
Change structuring fault message corresponding to fault message, according to the unstructured fault message of the sample and composition of sampleization event
The corresponding relation for hindering information builds the preset failure allocation list.
Preferably, the fault configuration table construction unit is additionally operable to set the structure in the preset failure allocation list
Change the alert levels corresponding to fault message；
Correspondingly, the fault message display unit is specifically used for working as by the current structure fault message and with described
Alert levels corresponding to pre-structure fault message are shown.
Preferably, in addition to：
Fault message memory cell, it is described to work as the current structure fault message to be stored to Mishap Database
Pre-structure fault message includes faulty equipment type, fault time, the position of fault and report corresponding to the structuring fault message
At least one of in alert rank.
Preferably, the fault message display unit is specifically used for the current structure fault message in display interface
In be shown, faulty equipment type, failure corresponding to current structure fault message described in the display interface real-time display
At least one of in time, the position of fault and alert levels.
The present invention can realize the quick and precisely positioning of zone controller failure, can make field engineer and maintenance engineer
The fault message of zone controller equipment is more intuitively determined, fault location time is reduced, reduces the working strength of engineer simultaneously
Operating efficiency is improved, and the focus level of the high fault message of alert levels can be improved, can be the timely exclusion of failure and be
Consequent malfunction research work provides foundation.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 shows the flow chart of the zone controller failure methods of exhibiting of the embodiment of the present invention；
Fig. 2 shows the flow chart of the zone controller failure methods of exhibiting of another embodiment of the present invention；
Fig. 3 shows the structured flowchart of the zone controller failure exhibiting device of the embodiment of the present invention；
Fig. 4 shows the structured flowchart of the zone controller failure exhibiting device of another embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is explicitly described, it is clear that described embodiment be the present invention
Part of the embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of creative work is made, belongs to the scope of protection of the invention.
Fig. 1 shows the flow chart of the zone controller failure methods of exhibiting of the embodiment of the present invention；It is as shown in figure 1, our
Method comprises the following steps：
S1：Obtain the current unstructured fault message of the internal operation daily record of zone controller；
S2：Preset failure allocation list is searched according to the current unstructured fault message, with obtain with it is described currently non-
Current structure fault message corresponding to structuring fault message, there is unstructured failure letter in the preset failure allocation list
Corresponding relation between breath and structuring fault message；
S3：The current structure fault message is shown.
The present embodiment can realize the quick and precisely positioning of zone controller failure, make field engineer and maintenance engineer
The fault message of zone controller equipment is more intuitively determined, fault location time is reduced, accelerates malfunction elimination work progress
Speed, and can effectively reduce the working strength of engineer and improve operating efficiency.
Fig. 2 shows the flow chart of the zone controller failure methods of exhibiting of another embodiment of the present invention；As shown in Fig. 2
On the basis of a upper embodiment, before searching preset failure allocation list according to the current unstructured fault message, the party
Method can also include：
A0：The sample interior running log of predetermined number in zone controller is obtained, day is run according to the sample interior
Will obtains the unstructured fault message of sample, and detects the structure corresponding with the unstructured fault message of the sample of user's input
Change fault message, built according to the corresponding relation of the unstructured fault message of the sample and the composition of sample fault message
The preset failure allocation list.
Further, after step A0, this method also includes：
A1：Alert levels corresponding to the structuring fault message are set in the preset failure allocation list；
Correspondingly, the current structure fault message is shown described in step S3, is specially：
A4：The current structure fault message and alert levels corresponding with the current structure fault message are entered
Row displaying.For example, the different alert levels according to corresponding to structuring fault message, list is opened up for the high fault message of alert levels
Only region is shown, to improve the concerned degree of the fault message.
The fault configuration table of the present embodiment can neatly be built according to the new fault message actually occurred, can be expanded
Property is strong, and could be arranged to support multi-lingual.
Due to existing ZC internal operations daily record include be magnanimity unstructured data, can not intuitively show failure believe
Cease and be difficult to carry out accident analysis by using the instrument of textual, cause live maintenance engineer can not be timely and accurately
Malfunction elimination is carried out, and need to rely on ZC research staff by analyzing the daily record of ZC internal operations and making far,
So that under maintenance work efficiency.In addition, more and more with field apparatus, the workload of log analysis is also increasing, sternly
The progress of accident analysis work is have impact on again.
As the preferred of the present embodiment, in the step S3：The current structure fault message will be shown it
Before, this method also includes：
A41：The current structure fault message is stored to Mishap Database, the current structure failure information package
Include at least one in faulty equipment type, fault time, the position of fault and alert levels corresponding to the structuring fault message；
By application, the Mishap Database carries out fault message export or historical failure information inquiry, it is possible to achieve obtains
The corresponding information of default time range, the position of fault and faulty equipment type, foundation is provided for consequent malfunction research work.
On the basis of above-described embodiment, the step S3：The current structure fault message will be shown it
Before, it is specially：
A42：The current structure fault message is shown in display interface, the display interface real-time display
In faulty equipment type, fault time, the position of fault and alert levels corresponding to the current structure fault message at least
One.
By application, fault message real-time display can be intuitively text message by the human-computer interaction interface, for scene dimension
Protect engineer and failure offer important evidence is provided.In addition, the human-computer interaction interface can be also realized according to failure class information pre-
If the high fault message of region display alarm rank, further increases the focus level of the high fault message of alert levels, has
Beneficial to fixing a breakdown in time.
The present embodiment can make field engineer and maintenance engineer more intuitively determine the failure letter of zone controller equipment
Breath, it is possible to achieve the accurate fast positioning of failure, reduce fault location time, and reduce the working strength of engineer, accelerate dimension
Repair the tempo of work.
Fig. 3 shows the structured flowchart of the zone controller failure exhibiting device 10 of the embodiment of the present invention.As shown in figure 3,
The device includes data acquisition unit 11, fault message structuring unit 12 and fault message display unit 13.
Described data acquisition unit 11, the current unstructured event of the internal operation daily record for obtaining zone controller
Hinder information；
Described fault message structuring unit 12, for searching default event according to the current unstructured fault message
Hinder allocation list, it is described default former to obtain current structure fault message corresponding with the current unstructured fault message
There is the corresponding relation between unstructured fault message and structuring fault message in barrier allocation list；
Described fault message display unit 13, for the current structure fault message to be shown.
Zone controller failure exhibiting device described in the present embodiment can be used for performing above method embodiment, its principle
Similar with technique effect, here is omitted.
As the preferred of the present embodiment, the device 10 can also further comprise fault configuration table construction unit 14.
Described fault configuration table construction unit 14, the sample interior for obtaining predetermined number in zone controller are run
Daily record, according to the sample interior running log obtain the unstructured fault message of sample, and detect user input with the sample
Structuring fault message corresponding to this unstructured fault message, according to the unstructured fault message of the sample and the sample
The corresponding relation of structuring fault message builds the preset failure allocation list.
Further, described fault configuration table construction unit 14 is additionally operable to set institute in the preset failure allocation list
State the alert levels corresponding to structuring fault message；
Correspondingly, described fault message display unit 13 is used to work as by the current structure fault message and with described
Alert levels corresponding to pre-structure fault message are shown.
As the preferred of the present embodiment, the present apparatus also includes：
Fault message memory cell 15, it is described for the current structure fault message to be stored to Mishap Database
Current structure fault message include faulty equipment type corresponding to the structuring fault message, fault time, the position of fault and
At least one of in alert levels.
On the basis of above-described embodiment, the fault message display unit 13 is specifically used for current structureization event
Barrier information is shown in display interface, event corresponding to current structure fault message described in the display interface real-time display
Hinder at least one in device type, fault time, the position of fault and alert levels.
Zone controller failure exhibiting device described in the present embodiment can be used for performing above method embodiment, its principle
Similar with technique effect, here is omitted.
The present invention can make field engineer and maintenance engineer more intuitively determine the fault message of zone controller equipment,
Fault location time is reduced, reduces the working strength of field engineer and maintenance engineer, improves the operating efficiency of engineer, and
The focus level of the high fault message of alert levels can be improved, is advantageous to the timely exclusion of failure and is consequent malfunction research work
Offer foundation is provided.
Above example is merely to illustrate technical scheme, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these are changed or replaced
Change, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
- A kind of 1. zone controller failure methods of exhibiting, it is characterised in that including：Obtain the current unstructured fault message of the internal operation daily record of zone controller；Preset failure allocation list is searched according to the currently unstructured fault message, to obtain and the current unstructured event Hinder current structure fault message corresponding to information, have unstructured fault message and structure in the preset failure allocation list Change the corresponding relation between fault message；The current structure fault message is shown.
- 2. zone controller failure methods of exhibiting as claimed in claim 1, it is characterised in that described according to the current non-knot Before structure fault message searches preset failure allocation list, this method also includes：The sample interior running log of predetermined number in zone controller is obtained, sample is obtained according to the sample interior running log This unstructured fault message, and detect structuring failure corresponding with the unstructured fault message of the sample letter of user's input Breath, it is described default according to the corresponding relation of the unstructured fault message of the sample and composition of sample fault message structure Fault configuration table.
- 3. zone controller failure methods of exhibiting as claimed in claim 2, it is characterised in that described according to the non-knot of the sample After the corresponding relation of structure fault message and the composition of sample fault message builds the preset failure allocation list, also wrap Include：Alert levels corresponding to the structuring fault message are set in the preset failure allocation list；Correspondingly, it is described to be shown the current structure fault message, be specially：The current structure fault message and alert levels corresponding with the current structure fault message are shown.
- 4. zone controller failure methods of exhibiting as claimed in claim 1, it is characterised in that described by the current structure Before fault message is shown, this method also includes：The current structure fault message is stored to Mishap Database, the current structure fault message includes the structure Change at least one in faulty equipment type, fault time, the position of fault and alert levels corresponding to fault message.
- 5. the zone controller failure methods of exhibiting as any one of Claims 1-4, it is characterised in that described by institute State current structure fault message to be shown, be specially：The current structure fault message is shown in display interface, it is current described in the display interface real-time display At least one of in faulty equipment type, fault time, the position of fault and alert levels corresponding to structuring fault message.
- A kind of 6. zone controller failure exhibiting device, it is characterised in that including：Data acquisition unit, the current unstructured fault message of the internal operation daily record for obtaining zone controller；Fault message structuring unit, preset failure allocation list is searched according to the current unstructured fault message, to obtain Current structure fault message corresponding with the current unstructured fault message, have in the preset failure allocation list non- Corresponding relation between structuring fault message and structuring fault message；Fault message display unit, for the current structure fault message to be shown.
- 7. zone controller failure exhibiting device as claimed in claim 6, it is characterised in that also include：Fault configuration table construction unit, for obtaining the sample interior running log of predetermined number in zone controller, according to institute State sample interior running log and obtain the unstructured fault message of sample, and detect the unstructured former with the sample of user's input Hinder structuring fault message corresponding to information, believed according to the unstructured fault message of the sample and the composition of sample failure The corresponding relation of breath builds the preset failure allocation list.
- 8. zone controller failure exhibiting device as claimed in claim 7, it is characterised in that the fault configuration table structure is single Member is additionally operable to set the alert levels corresponding to the structuring fault message in the preset failure allocation list；Correspondingly, the fault message display unit is specifically used for currently tying by the current structure fault message and with described Alert levels corresponding to structure fault message are shown.
- 9. zone controller failure exhibiting device as claimed in claim 6, it is characterised in that also include：Fault message memory cell, for the current structure fault message to be stored to Mishap Database, the current knot Structure fault message includes faulty equipment type corresponding to the structuring fault message, fault time, the position of fault and alarm level At least one of in not.
- 10. the zone controller failure exhibiting device as any one of claim 6 to 9, it is characterised in that the failure Information display unit is specifically used for the current structure fault message being shown in display interface, the display interface Faulty equipment type, fault time, the position of fault and alert levels corresponding to current structure fault message described in real-time display At least one of in.
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| CN201510824721.9A CN105373116B (en) | 2015-11-24 | 2015-11-24 | Zone controller failure methods of exhibiting and device |
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| CN105373116B true CN105373116B (en) | 2018-03-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106627676B (en) * | 2016-12-09 | 2018-05-08 | 交控科技股份有限公司 | A kind of dynamic allocation method of the resources control of zone controller |
| CN107897142B (en) * | 2017-11-27 | 2020-10-16 | 四川瑞进特科技有限公司 | Insecticidal lamp positioning system and method based on structured map |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101009679A (en) * | 2007-01-29 | 2007-08-01 | 北京交通大学 | Communication-based interconnected and intercommunicated I-CBIT train operation control system |
| CN102566442A (en) * | 2011-12-29 | 2012-07-11 | 北京交控科技有限公司 | CBTC (Communications Based Train Control) signal system simulation testing platform |
| CN104460651A (en) * | 2014-10-24 | 2015-03-25 | 北京交控科技有限公司 | ZC double-system downtime fault early-warning method and device based on autonomous learning |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6697802B2 (en) * | 2001-10-12 | 2004-02-24 | International Business Machines Corporation | Systems and methods for pairwise analysis of event data |
| US7734443B2 (en) * | 2007-08-23 | 2010-06-08 | General Electric Company | System and method for prediction of gas turbine trips due to thermocouple failures |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101009679A (en) * | 2007-01-29 | 2007-08-01 | 北京交通大学 | Communication-based interconnected and intercommunicated I-CBIT train operation control system |
| CN102566442A (en) * | 2011-12-29 | 2012-07-11 | 北京交控科技有限公司 | CBTC (Communications Based Train Control) signal system simulation testing platform |
| CN104460651A (en) * | 2014-10-24 | 2015-03-25 | 北京交控科技有限公司 | ZC double-system downtime fault early-warning method and device based on autonomous learning |
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Address after: 100070 Beijing science and Technology Park of Fengtai District Seahawks Hospital No. 6 2, No. 3 (Park) Applicant after: TRAFFIC CONTROL TECHNOLOGY Co.,Ltd. Address before: 100070 Beijing science and Technology Park of Fengtai District Haiying Road No. 6 hospital of Beijing, the headquarters of the International 2 Building No. 3 Applicant before: TRAFFIC CONTROL TECHNOLOGY Co.,Ltd. |
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Inventor after: Zhang Wei Inventor after: Zhang Qiang Inventor after: Liu Bo Inventor before: Zhang Qiang Inventor before: Liu Bo |