CN103434536B - Train network parameter tracking method - Google Patents
Train network parameter tracking method Download PDFInfo
- Publication number
- CN103434536B CN103434536B CN201310390434.2A CN201310390434A CN103434536B CN 103434536 B CN103434536 B CN 103434536B CN 201310390434 A CN201310390434 A CN 201310390434A CN 103434536 B CN103434536 B CN 103434536B
- Authority
- CN
- China
- Prior art keywords
- instruction
- control unit
- central control
- train
- mathematic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The present invention relates to train network parameter tracking method, comprise the first step, named variable and record condition thereof are sent to train central control unit through ethernet by PC; Described record condition is mathematic(al) representation; The data of the treater monitoring named variable of second step, train central control unit, and will the named variable data logging of described record condition be met in the file in memory device; 3rd step, PC obtain the file having named variable data from train central control unit memory device through ethernet; Follow the tracks of and terminate.The present invention can record the data of named variable under specified requirements, thus reduces record data volume, is convenient to the later stage to carry out analyzing and processing effectively.
Description
Technical field
The present invention relates to a kind of train network parameter tracking method, be applicable to the data monitoring of train network, be convenient to trouble diagnosing and the line service of train network.
Background technology
According to the knowledge of the applicant, train network is a complication system (such as train network control system disclosed in application number 200820110037.X Chinese utility model patent) containing multiple decentralised control unit, fault localization system wherein can run in train network, during maintenance, road man is corrected mistakes effectively and provides support, to realize failure-free passenger services.Existing train fault diagnostic system only provides in-service monitoring or the writing function of named variable, the data recording correlated variables under specified requirements cannot be realized, cause data volume very large, be difficult to carry out analyzing and processing effectively, this causes difficulty just to the failure analysis in later stage and daily attention.
Summary of the invention
Technical matters to be solved by this invention is: overcome prior art Problems existing, a kind of train network parameter tracking method is provided, can record the data of named variable under specified requirements, thus reduce record data volume, being convenient to the later stage carries out analyzing and processing effectively.
The technical scheme that the present invention solves its technical matters is as follows:
Train network parameter tracking method, is characterized in that, be applied to the train central control unit and PC that connect through ethernet communication, described train central control unit comprises treater and memory device; Said method comprising the steps of:
Named variable and record condition thereof are sent to train central control unit through ethernet by the first step, PC; Described record condition is mathematic(al) representation; Go to second step;
The data of the treater monitoring named variable of second step, train central control unit, and will the named variable data logging of described record condition be met in the file in memory device; Go to the 3rd step;
3rd step, PC obtain the file having named variable data from train central control unit memory device through ethernet; Follow the tracks of and terminate.
Applicant finds in practical studies, be limited to network capacity, need to do further optimization to said method, reduce network data transmission amount to raise the efficiency, make PC in time monitoring condition (i.e. named variable and record condition thereof) can be sent to train central control unit, the technical scheme after optimization is as follows:
Also comprise the I step before being arranged in the first step: respectively to PC, train central control unit memory device stored in identical transcode table; Containing one group of variable and variant code corresponding with it, one group of operational symbol and operational symbol code corresponding with it in described transcode table; Each variable and train network parameter one_to_one corresponding; Described variant code is positive integer, and described operational symbol code is negative integer; Go to the first step;
In the described first step, named variable is first converted to corresponding variant code as instruction head by transcode table by PC; PC is again for the mathematic(al) representation of record condition, read mathematic(al) representation from left to right, run into variable and be then converted to corresponding variant code by transcode table, run into operational symbol and be then converted to corresponding operational symbol code by transcode table, run into numerical value and then before and after this numerical value, add value identifiers, finally obtain instruction body; Then, PC obtains instruction with instruction connector link order head and instruction body; Finally, instruction is sent to train central control unit through ethernet by PC;
In described second step, after train central control unit receives instruction, with the part before instruction connector for instruction head, with the part after instruction connector for instruction body; Instruction head is converted to named variable by transcode table; For instruction body, reading command body from left to right, run into variant code and be then converted to corresponding variable by transcode table, run into operational symbol code and be then converted to corresponding operational symbol by transcode table, then remove value identifiers with during the numerical value of value identifiers mark and retain numerical value before and after running into, finally obtaining the mathematic(al) representation of record condition; The data of the treater monitoring named variable of train central control unit, and will the named variable data logging of described record condition be met in the file in memory device.
Transmitted data on network amount can be reduced like this.
Applicant also finds in practical studies, and the treater processing capacity of train central control unit is limited, needs to do further optimization to said method, and reduce operand to improve operating efficiency, the technical scheme after optimization is as follows:
In the described first step, before transmission, for the mathematic(al) representation of record condition, PC reads mathematic(al) representation from left to right, and by order of operation, mathematic(al) representation is rearranged to the order of carrying out successively from left to right, and then using the mathematic(al) representation after rearrangement as record condition, be converted to instruction body more afterwards.
Processor calculating amount can be reduced like this.
In addition, the technical scheme that the present invention is perfect is further as follows:
In described second step, the treater of train central control unit divides a buffer zone in memory, then monitor the data of named variable, and the named variable data meeting described record condition are first deposited in buffer zone, and then stored in the file in memory device and emptying buffer.Loss of data can be prevented like this.
Compared with prior art, the present invention can record the data of named variable under specified requirements, thus reduces record data volume, is convenient to the later stage to carry out analyzing and processing effectively.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.But the invention is not restricted to given example.
Embodiment
The train network parameter tracking method of the present embodiment, be applied to the train central control unit and PC that connect through ethernet communication, train central control unit comprises treater and memory device; The method comprises the following steps:
I walk: respectively in PC, train central control unit memory device stored in identical transcode table; Containing one group of variable and variant code corresponding with it, one group of operational symbol and operational symbol code corresponding with it in transcode table; Each variable and train network parameter one_to_one corresponding; Variant code is positive integer, and operational symbol code is negative integer; Go to the first step.
Named variable and record condition thereof are sent to train central control unit through ethernet by the first step, PC; Record condition is mathematic(al) representation; Go to second step;
Detailed process is as follows: named variable is first converted to corresponding variant code as instruction head by transcode table by PC; PC is again for the mathematic(al) representation of record condition, read mathematic(al) representation from left to right, run into variable and be then converted to corresponding variant code by transcode table, run into operational symbol and be then converted to corresponding operational symbol code by transcode table, run into numerical value and then before and after this numerical value, add value identifiers, finally obtain instruction body; Then, PC obtains instruction with instruction connector link order head and instruction body; Finally, instruction is sent to train central control unit through ethernet by PC.
In addition, before transmission, for the mathematic(al) representation of record condition, PC reads mathematic(al) representation from left to right, and by order of operation, mathematic(al) representation is rearranged to the order of carrying out successively from left to right, and then using the mathematic(al) representation after rearrangement as record condition, be converted to instruction body more afterwards.Such as: the mathematic(al) representation of record condition is: A+B × C-D > E, after rearrangement is: B × C+A-D > E.
The data of the treater monitoring named variable of second step, train central control unit, and will the named variable data logging of record condition be met in the file in memory device; Go to the 3rd step;
Detailed process is as follows: after train central control unit receives instruction, with the part before instruction connector for instruction head, with the part after instruction connector for instruction body; Instruction head is converted to named variable by transcode table; For instruction body, reading command body from left to right, run into variant code and be then converted to corresponding variable by transcode table, run into operational symbol code and be then converted to corresponding operational symbol by transcode table, then remove value identifiers with during the numerical value of value identifiers mark and retain numerical value before and after running into, finally obtaining the mathematic(al) representation of record condition; The data of the treater monitoring named variable of train central control unit, and will the named variable data logging of record condition be met in the file in memory device.
In addition, the treater of train central control unit divides a buffer zone in memory, then monitor the data of named variable, and the named variable data meeting record condition are first deposited in buffer zone, and then stored in the file in memory device and emptying buffer.
3rd step, PC obtain the file having named variable data from train central control unit memory device through ethernet; Follow the tracks of and terminate.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (3)
1. train network parameter tracking method, is characterized in that, be applied to the train central control unit and PC that connect through ethernet communication, described train central control unit comprises treater and memory device; Said method comprising the steps of:
Named variable and record condition thereof are sent to train central control unit through ethernet by the first step, PC; Described record condition is mathematic(al) representation; Go to second step;
The data of the treater monitoring named variable of second step, train central control unit, and will the named variable data logging of described record condition be met in the file in memory device; Go to the 3rd step;
3rd step, PC obtain the file having named variable data from train central control unit memory device through ethernet; Follow the tracks of and terminate;
Also comprise the I step before being arranged in the first step: respectively to PC, train central control unit memory device stored in identical transcode table; Containing one group of variable and variant code corresponding with it, one group of operational symbol and operational symbol code corresponding with it in described transcode table; Each variable and train network parameter one_to_one corresponding; Described variant code is positive integer, and described operational symbol code is negative integer; Go to the first step;
In the described first step, named variable is first converted to corresponding variant code as instruction head by transcode table by PC; PC is again for the mathematic(al) representation of record condition, read mathematic(al) representation from left to right, run into variable and be then converted to corresponding variant code by transcode table, run into operational symbol and be then converted to corresponding operational symbol code by transcode table, run into numerical value and then before and after this numerical value, add value identifiers, finally obtain instruction body; Then, PC obtains instruction with instruction connector link order head and instruction body; Finally, instruction is sent to train central control unit through ethernet by PC;
In described second step, after train central control unit receives instruction, with the part before instruction connector for instruction head, with the part after instruction connector for instruction body; Instruction head is converted to named variable by transcode table; For instruction body, reading command body from left to right, run into variant code and be then converted to corresponding variable by transcode table, run into operational symbol code and be then converted to corresponding operational symbol by transcode table, then remove value identifiers with during the numerical value of value identifiers mark and retain numerical value before and after running into, finally obtaining the mathematic(al) representation of record condition; The data of the treater monitoring named variable of train central control unit, and will the named variable data logging of described record condition be met in the file in memory device.
2. train network parameter tracking method according to claim 1, it is characterized in that, in the described first step, before transmission, for the mathematic(al) representation of record condition, PC reads mathematic(al) representation from left to right, and by order of operation, mathematic(al) representation is rearranged to the order of carrying out successively from left to right, and then using the mathematic(al) representation after rearrangement as record condition, be converted to instruction body more afterwards.
3. train network parameter tracking method according to claim 1 and 2, it is characterized in that, in described second step, the treater of train central control unit divides a buffer zone in memory, then the data of named variable are monitored, and the named variable data meeting described record condition are first deposited in buffer zone, and then stored in the file in memory device and emptying buffer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310390434.2A CN103434536B (en) | 2013-08-30 | 2013-08-30 | Train network parameter tracking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310390434.2A CN103434536B (en) | 2013-08-30 | 2013-08-30 | Train network parameter tracking method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103434536A CN103434536A (en) | 2013-12-11 |
| CN103434536B true CN103434536B (en) | 2015-09-02 |
Family
ID=49688290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310390434.2A Active CN103434536B (en) | 2013-08-30 | 2013-08-30 | Train network parameter tracking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103434536B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202063165U (en) * | 2010-11-29 | 2011-12-07 | 株洲南车时代电气股份有限公司 | Subway train fault diagnostic equipment based on neural network |
| CN102868561A (en) * | 2012-09-28 | 2013-01-09 | 南车株洲电力机车研究所有限公司 | Train network system maintenance method and device |
| CN102910079A (en) * | 2012-09-20 | 2013-02-06 | 南车南京浦镇车辆有限公司 | Subway train pantograph control method based on train network system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3201502B2 (en) * | 1994-02-17 | 2001-08-20 | 三菱電機株式会社 | Train operation management system |
-
2013
- 2013-08-30 CN CN201310390434.2A patent/CN103434536B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202063165U (en) * | 2010-11-29 | 2011-12-07 | 株洲南车时代电气股份有限公司 | Subway train fault diagnostic equipment based on neural network |
| CN102910079A (en) * | 2012-09-20 | 2013-02-06 | 南车南京浦镇车辆有限公司 | Subway train pantograph control method based on train network system |
| CN102868561A (en) * | 2012-09-28 | 2013-01-09 | 南车株洲电力机车研究所有限公司 | Train network system maintenance method and device |
Non-Patent Citations (1)
| Title |
|---|
| 邢然."地铁列车故障诊断系统中央控制单元设计".《中国优秀硕士学位论文全文数据库,工程科技Ⅱ辑》.2007, * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103434536A (en) | 2013-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107600110B (en) | A kind of vehicle-mounted train groups prognostic and health management system | |
| CN102879680B (en) | The general detection of rail transit vehicle equipment and method for diagnosing faults and system | |
| CN107589695A (en) | A kind of train groups prognostic and health management system | |
| CN105262651B (en) | EMUs Novel Communication network topology structure system based on TCN and EPA | |
| CN102932195B (en) | A kind of business diagnosis method for supervising of protocal analysis Network Based and system | |
| CN103838226B (en) | Rail vehicle controls and monitoring system trouble-locating apparatus and method | |
| CN105262210A (en) | System and method for analysis and early warning of substation network security | |
| CN106570781B (en) | Intelligent substation monitoring information step-by-step acceptance method based on three-layer two-network structure | |
| CN103738369A (en) | ATS device and system based on OPC UA technology | |
| CN103112459B (en) | Locomotive control device, system and method | |
| CN103001812B (en) | Intelligent electric power communication failure diagnostic system | |
| CN108337114A (en) | Network state processing equipment, method and train | |
| CN104320301A (en) | Intranet special line flow monitoring method and system | |
| CN109633345B (en) | Secondary equipment on-line monitoring and analyzing device | |
| CN201429790Y (en) | Punching-machine remote monitoring device | |
| CN103434536B (en) | Train network parameter tracking method | |
| CN109445304A (en) | A kind of intelligent fault analysis system and method based on cab signal | |
| CN206209306U (en) | A kind of multi-client independent bus line device server for carrying redundant signals collection | |
| CN108847714A (en) | A kind of high voltage direct current transmission transient data wave recording device and control protective unit | |
| CN112907911A (en) | Intelligent anomaly identification and alarm algorithm based on equipment process data | |
| CN112116731A (en) | Rail transit multi-bus data analysis system based on cloud | |
| CN107248000A (en) | A kind of vehicle-mounted signal device intelligent maintenance method based on data mining | |
| CN201897792U (en) | Simulation AC electric locomotive | |
| CN105759777B (en) | Fault of electric locomotive processing system and method | |
| CN114374712B (en) | Driving management method, electronic equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210031 Nanjing province high tech Industrial Development Zone, Taishan Park, North Pearl Road, No. 68 Patentee after: CRRC NANJING PUZHEN CO., LTD. Address before: 210031 Nanjing province high tech Industrial Development Zone, Taishan Park, North Pearl Road, No. 68 Patentee before: CSR NANJING PUZHEN Vehicles Co., Ltd. |