CN108090160A - Train fault diagnostic device and method based on embedded database - Google Patents
Train fault diagnostic device and method based on embedded database Download PDFInfo
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Abstract
The invention discloses a kind of train fault diagnostic device and method based on embedded database, fault configuration module is for read failure configuration file and generates failure array；Fault processing module is used to compare the data of this acquisition and the data of last circle collection, if failure corresponding positions last time data are 0, and the data of this acquisition are 1, then show that a new failure has occurred；If failure corresponding positions last time data on the contrary are 1, and this gathered data is 0, then the failure for showing to occur has disappeared；When an error occurs, the reading current time in system as time of failure and corresponding failure code and writes database；When failure vanishes, the reading current time in system finds the failure as the failure vanishes time, and using failure code and time of failure as querying condition, its failure vanishes time is updated, so as to form a complete failure logging.The present invention can completely show time of origin and extinction time in same failure, simplify the inquiry and sequence of failure.
Description
Technical field
The present invention relates to rail transit train fault diagnosis field, particularly a kind of train event based on embedded database
Hinder diagnostic device and method.
Background technology
In the exploitation of urban rail track train fault diagnosis, the method for train fault diagnosis is typically when failure occurs or disappears
When, failure code and fault time are recorded in a text file, it is necessary to read text file when inquiring about again and show phase
The defect content of pass.But the method has the following problems：
1) same failure only shows time of origin or extinction time over the display；
2) inquiry to failure and sequence are realized complicated.
The content of the invention
The present invention is intended to provide a kind of train fault diagnostic device and method based on embedded database, in same event
Time of origin and extinction time are completely shown in barrier, simplifies the inquiry and sequence of failure.
In order to solve the above technical problems, the technical solution adopted in the present invention is：A kind of row based on embedded database
Vehicle trouble-shooter, including：
Fault configuration module：For read failure configuration file, and generated in memory in failure by fault configuration file
Hold array and failure chained list；
Fault processing module：For the data that this is gathered and the data of last circle collection to be compared, if therefore
It is 0 to hinder corresponding positions last time data, and the data of this acquisition are 1, then show that a new failure has occurred；If otherwise failure
Corresponding positions last time data are 1, and this gathered data is 0, then the failure for showing to occur has disappeared；When an error occurs, read
The current time in system is taken as time of failure and corresponding failure code and writes database；When failure vanishes, read
Current time in system finds the event as the failure vanishes time, and using failure code and time of failure as querying condition
Barrier, updates its failure vanishes time, so as to form a complete failure logging.
It further includes：
Malfunction coefficient module：Occur for showing that sequence number, time of origin, extinction time, failure code, failure occur for failure
Number, corresponding license number, failure rank and defect content；
Database support module：It is interacted with fault processing module, malfunction coefficient module, for storing failure logging,
Support SQL query, update failure logging, open database, newly-increased failure, update failure, close database, inquiry and counting connects
Mouth function.
After the time of failure, extinction time, failure code, failure frequency plus liter is pressed in " ↑ " or " ↓ ", expression
Sequence or descending sort.
The fault configuration file represents a fault configuration item per a line, is divided into following field：Failure code,
Vehicle number, port numbers, port size, triggering word offset, trigger bit offset, triggering round robin cycle, failure title, fault type,
Fault level, failure-description, fault solution, adjacent interfield is using comma as separation.
The failure chained list includes：
Byte offset unit, for recording the failed byte for needing to inquire about；
Failure bitmask, for recording the fault bit in failed byte；
Failure code array, for recording the corresponding failure code of fault bit in failed byte.
The present invention also provides a kind of train fault diagnostic method based on embedded database, this method was mainly realized
Journey includes：
1) read failure configuration file；
2) data of this acquisition and the data of last circle collection are compared, if failure corresponding positions last time number
According to for 0, and the data of this acquisition are 1, then show that a new failure has occurred；If otherwise failure corresponding positions last time data
For 1, and this gathered data is 0, then the failure for showing to occur has disappeared；When an error occurs, the current time in system is read to make
For time of failure and corresponding failure code and write database；When failure vanishes, current time in system conduct is read
The failure vanishes time, and the failure is found as querying condition using failure code and time of failure, it updates its failure and disappears
The time is lost, so as to form a complete failure logging.After step 2), also it is handled as follows：Display failure generation sequence number,
Time of origin, extinction time, failure code, failure frequency, corresponding license number, failure rank and defect content.
In step 1), defect content array and failure chained list are generated in memory by fault configuration file；The failure chain
The specific generating process of table includes：
1) fault configuration file is read into configuration array by row；
2) next configuration item is read from configuration array, the configuration item includes configuration item port numbers；
3) whether the configuration item port numbers for judging to read are in the chained list of port, if so, entering step 4)；Otherwise, create
Port chained list node adds in the port numbers of configuration item and enters step 4)；
4) the configuration item word offset read is judged whether in the byte chained list for being currently configured item port chained list, if so,
The failure code of fault bit and failure mask are corresponded in update configuration item word offset, is entered step 5)；Otherwise, byte chained list is created
Node adds in current word offset and the corresponding failure code of configuration item fault bit and failure mask, enters step 5)；It is described first
Beginning byte chained list is sky；
5) judge whether configuration item is located at configuration array end, if it is not, then return to step 2)；Otherwise enter step 6)；
6) terminate.
Compared with prior art, the advantageous effect of present invention is that：Whole system is divided by the present invention by encapsulating
Fault configuration module, fault processing module, malfunction coefficient module and database support module, high cohesion, low coupling between modules
It closes；For fault collection module by reading separated configuration file and forming failure chained list, same port data can be once from communication
It reads and parses in network data, execution efficiency is high；What fault processing module can be propped up by interface function database
It opens, newly-increased failure, update failure (increasing the failure vanishes time), shutoff operation；Malfunction coefficient module supports mould to database
Block carries out the inquiry of malfunction coefficient and frequency statistics, without changing logical code.
Description of the drawings
Fig. 1 is failure list structure figure；
Fig. 2 is failure chained list product process figure.
Specific embodiment
The functions of modules and realization principle of the present invention are described in detail below.
1) fault configuration module
Fault configuration module read failure configuration file, and defect content array is generated in memory by fault configuration file
With failure chained list.
Fault configuration file represents a fault configuration item per a line, is divided into following field, interfield is with comma
As separation：
Fault configuration module generates fault search list according to fault configuration item, by travel through failure chained list can realize it is whole
A data acquisition.This failure list structure such as Fig. 1
Wherein, following information is included in failed byte：
● byte offset, for recording the failed byte for needing to inquire about
● failure bitmask is fault bit for recording which position in byte
● failure code array for recording the corresponding failure code of fault bit in byte, can inquire about defect content number
Group obtains the specific defect content of failure.
2) fault processing module
(there are one agreement to show for attachment the data of the data that this is gathered and last circle collection for fault processing module
Example, the both sides of communication can define an agreement, wherein some positions are failures, such as sensor fault, position be state, be not
Failure.Therefore a configuration file is needed to show the word offset of guilty culprit and position offset are how many respectively) it is compared, if therefore
It is 0 to hinder corresponding positions last time data, and the data of this acquisition are 1, then show that a new failure has occurred.If otherwise upper one
Secondary data are 1, and this gathered data is 0, then the failure for showing to occur has disappeared.
When an error occurs, the reading current time in system as time of failure and corresponding failure code and writes number
According to storehouse.
When failure vanishes, the current time in system is read as the failure vanishes time, and is occurred with failure code and failure
Time finds the failure as querying condition and updates its failure vanishes time, so as to form a complete failure logging.
2) malfunction coefficient module
Malfunction coefficient module is by inquiring about Mishap Database, wherein the species classified has：It sorts, press by time of failure
Failure vanishes time-sequencing sorts by failure code, sorts by frequency；The species of sequence has：It sorts in descending order, by ascending order
Sequence.The result of inquiry is shown in the form of a list, is the content of malfunction coefficient below：
Wherein time of origin, extinction time, code, number region are subjected to pressing change lifting sequence strategy, and in title
After be subject to " ↑ " " " and " ↓ " represent query result be by ascending order or descending sort.
When number of faults excessively quantity displayable more than malfunction coefficient module one page, pageable is shown.And lead to
Cross the defect content that page up, lower one page, first page, last page inquire about the different pages.
Table 1 is the data flow of an actual items, and wherein B1 vehicles DCU slow datas port is 2A3H, totally 32 bytes, only
It is failure to have partial data position.Therefore a fault configuration file is needed to extract fault bit.Fault configuration file format
It see the table below, define failure code, place vehicle number, port numbers, triggering word offset, trigger bit offset, failure title, failure etc.
Grade, failure-description etc..
The data flow of 1 actual items of table
By taking table 2 as an example, fault configuration file represents a fault configuration item per a line, but for operational efficiency, in program
Fault configuration file can be read configuration array per a line during beginning.
After fault configuration file is loaded into configuration array, read configuration array the 1st, the port in the 1st is judged
Number whether in port list, because port list is sky at this time, a port item will be created in port list, and will be inserted
0x2A3 (steps 3), and byte 0 is inserted in the byte list of the port of 2A3, and it is 1 to set position.
Read next configuration item of configuration array；
Port numbers are judged whether in port list, and in port list, therefore arrive step 4, judgement is for 2A3 ports
It is no in byte chained list, 0 byte in byte list, updates the position 2 in the byte, then reads next, failure code
2008, similary 2A3 ports in port list, judge its trigger word whether in byte chained list, 1 byte is not in byte stream
Table creates byte node, and position 0 is added in.
Fault configuration file is read configuration array by table 2 per a line
Claims (8)
1. a kind of train fault diagnostic device based on embedded database, which is characterized in that including：
Fault configuration module：For read failure configuration file, and defect content number is generated in memory by fault configuration file
Group and failure chained list；
Fault processing module：For the data that this is gathered and the data of last circle collection to be compared, if failure phase
It is 0 to answer position last time data, and the data of this acquisition are 1, then show that a new failure has occurred；Otherwise if failure is corresponding
The last data in position are 1, and this gathered data is 0, then the failure for showing to occur has disappeared；When an error occurs, system is read
System current time as time of failure and corresponding failure code and writes database；When failure vanishes, system is read
Current time finds the failure as the failure vanishes time, and using failure code and time of failure as querying condition,
Its failure vanishes time is updated, so as to form a complete failure logging.
2. the train fault diagnostic device according to claim 1 based on embedded database, which is characterized in that also wrap
It includes：
Malfunction coefficient module：For showing that sequence number, time of origin, extinction time, failure code, failure generation time occur for failure
Several, corresponding license number, failure rank and defect content；
Database support module：It interacts with fault processing module, malfunction coefficient module, for storing failure logging, supports
SQL query, update failure logging open database, newly-increased failure, update failure, closing database, inquiry and count interface letter
Number.
3. the train fault diagnostic device according to claim 2 based on embedded database, which is characterized in that the event
Add " ↑ " or " ↓ " after hindering time of origin, extinction time, failure code, failure frequency, expression is sorted in ascending or descending.
4. the train fault diagnostic device according to claim 1 based on embedded database, which is characterized in that the event
Hinder configuration file and a fault configuration item is represented per a line, be divided into following field：Failure code, vehicle number, port numbers,
Port size, triggering word offset, trigger bit offset, triggering round robin cycle, failure title, fault type, fault level, failure are retouched
It states, fault solution, adjacent interfield is using comma as separation.
5. the train fault diagnostic device according to claim 1 based on embedded database, which is characterized in that the event
Barrier chained list includes：
Byte offset unit, for recording the failed byte for needing to inquire about；
Failure bitmask, for recording the fault bit in failed byte；
Failure code array, for recording the corresponding failure code of fault bit in failed byte.
6. a kind of train fault diagnostic method based on embedded database, which is characterized in that this method mainly realizes process bag
It includes：
1）Read failure configuration file；
2）The data of this acquisition and the data of last circle collection are compared, if failure corresponding positions last time data are
0, and the data of this acquisition are 1, then show that a new failure has occurred；If failure corresponding positions last time data on the contrary are 1,
And this gathered data is 0, then the failure for showing to occur has disappeared；When an error occurs, the current time in system is read as event
Barrier time of origin and corresponding failure code simultaneously write database；When failure vanishes, the current time in system is read as failure
Extinction time, and the failure is found as querying condition using failure code and time of failure, when updating its failure vanishes
Between, so as to form a complete failure logging.
7. the train fault diagnostic method according to claim 6 based on embedded database, which is characterized in that step 2）
Afterwards, also it is handled as follows：Show failure occur sequence number, time of origin, extinction time, failure code, failure frequency,
Corresponding license number, failure rank and defect content.
8. the train fault diagnostic method according to claim 6 based on embedded database, which is characterized in that step 1）
In, defect content array and failure chained list are generated in memory by fault configuration file；The specific of the failure chained list generated
Journey includes：
1）Fault configuration file is read into configuration array by row；
2）Next configuration item is read from configuration array, the configuration item includes configuration item port numbers；
3）Whether the configuration item port numbers for judging to read are in the chained list of port, if so, entering step 4）；Otherwise, port is created
Chained list node adds in the port numbers of configuration item and enters step 4）；
4）The configuration item word offset read is judged whether in the byte chained list for being currently configured item port chained list, if so, update
The failure code of fault bit and failure mask are corresponded in configuration item word offset, enters step 5）；Otherwise, byte chained list section is created
Point adds in current word offset and the corresponding failure code of configuration item fault bit and failure mask, enters step 5）；It is described initial
Byte chained list is sky；
5）Judge whether configuration item is located at configuration array end, if it is not, then return to step 2）；Otherwise 6 are entered step）；
6）Terminate.
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Cited By (7)
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| CN110497938A (en) * | 2019-08-26 | 2019-11-26 | 湖南中车时代通信信号有限公司 | A kind of quality real-time monitoring diagnostic method, device and computer readable storage medium for Locomotive Running Monitor System |
| CN110515352A (en) * | 2019-08-29 | 2019-11-29 | 西门子工厂自动化工程有限公司 | Fault monitoring method, device, processor, the electronic equipment of servo-driver |
| CN110850849A (en) * | 2019-11-30 | 2020-02-28 | 航天科技控股集团股份有限公司 | Fault code reporting method for realizing compatibility with multiple vehicle types by using mask code |
| CN111016650A (en) * | 2019-11-29 | 2020-04-17 | 东风商用车有限公司 | Combined instrument interface fault display method |
| CN111429606A (en) * | 2020-04-13 | 2020-07-17 | 中车株洲电力机车有限公司 | Method and system for fault diagnosis, storage and display by using train display screen |
| CN113110371A (en) * | 2021-03-16 | 2021-07-13 | 佛山市飞驰汽车科技有限公司 | Vehicle fault code storage and transmission system and method |
| CN114973844A (en) * | 2022-06-28 | 2022-08-30 | 中车青岛四方车辆研究所有限公司 | Operation simulation method and system for network display screen of railway vehicle |
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| CN110850849A (en) * | 2019-11-30 | 2020-02-28 | 航天科技控股集团股份有限公司 | Fault code reporting method for realizing compatibility with multiple vehicle types by using mask code |
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| CN111429606A (en) * | 2020-04-13 | 2020-07-17 | 中车株洲电力机车有限公司 | Method and system for fault diagnosis, storage and display by using train display screen |
| CN113110371A (en) * | 2021-03-16 | 2021-07-13 | 佛山市飞驰汽车科技有限公司 | Vehicle fault code storage and transmission system and method |
| CN114973844A (en) * | 2022-06-28 | 2022-08-30 | 中车青岛四方车辆研究所有限公司 | Operation simulation method and system for network display screen of railway vehicle |
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