CN102710756A - Detection data real-time synchronization method and processing method of overhead line system - Google Patents
Detection data real-time synchronization method and processing method of overhead line system Download PDFInfo
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Abstract
The invention discloses a real-time synchronization method and processing method of an overhead line system detection data. The real-time synchronization method comprises: S1, constructing two or more sub-system buffer regions in a memory for storing detection data of two or more detection sub-systems, respectively; S2, real-timely receiving the detection data of each detection sub-system, and storing the received detection data in corresponding buffer region; and S3, synchronizing and integrating the detection data of each detection sub-system by comparing the basic parameter information of the detection data of each detection sub-system. According to the detection data real-time synchronization method and processing method of overhead line system provided by the invention, the real-time synchronization method can realize the real-time synchronization of the detection data of each detection sub-system of the overhead line system based on line mileage in the dynamic detection process of the overhead line system; and the data of each detection sub-system are subjected to centralized integration after the real-time synchronization, thereby creating conditions for realizing the subsequent operations of real-time centralized display, comparison and association and so on of each detection item of the overhead line system detection data.
Description
Technical field
The present invention relates to a kind of Contact Line Detection technology, refer in particular to a kind of real-time synchronization method and processing method of Contact Line Detection data.
Background technology
Contact line is the main power supply unit of electric railway, also is one of equipment that takes place the most easily problem.In order to guarantee traffic safety, must regularly detect and safeguard contact line, make it be in good operation state.The data handling system of Contact Line Detection is to utilize microcomputer that the geometric parameter of contact line, bow net dynamic action parameter, power supply parameter etc. are carried out automation to detect, and the detection data of storage are done further processing.
Existing testing process has two kinds of processing modes to detecting data: the first is in detecting the train detection process, and each detection subsystem of contact line detects data, and not carry out mileage synchronous, and each detection subsystem data shows respectively, transfinites and differentiates with output etc.; Another kind is that in testing process, not carry out mileage synchronous, and each detection subsystem shows respectively, detects the back and under car, carries out each detection subsystem to detect the mileage of data synchronous but wait to accomplish, and carries out transfiniting of each detected parameters again after accomplishing synchronously and differentiates and output.
If adopt above-mentioned first kind of mode; Each detection subsystem detects data respectively and shows, transfinites and differentiate and output; Can cause the detection data of variant detection subsystem to show synchronously; Influence the testing staff and detect the differentiation that data transfinite and the diagnostic analysis of the reason that transfinites, also can't accomplish the function (like the dynamic lifting amount of contact wire, contact wire elasticity etc.) that calculates new sense channel through the different sense channel data of each detection subsystem according to the multi-channel detection data.
If adopt the above-mentioned second way; It is synchronous in testing process, not carry out each subsystem mileage; Carry out the synchronous and differentiation of transfiniting of mileage of each detection subsystem after the completion to be detected again; Can cause in the testing process testing staff in time to learn and detect the data overrun condition, when especially in testing process, occurring seriously transfiniting, may cause great pantograph and catenary fault and accident owing to can't in time carrying out urgent in-situ processing to transfiniting; Simultaneously, detect data sync on ground and transfinite to differentiate and also can spend great amount of time, increase the workload of Contact Line Detection personnel and data analyst greatly, reduce Contact Line Detection efficient.
Based on the above-mentioned defective that existing Contact Line Detection technology exists, the inventor proposes the present invention by means of being engaged in the experience that this area is researched and developed for many years, made after exploitation repeatedly, to improve or to overcome the defective of above-mentioned prior art.
Summary of the invention
The technical problem that the present invention solves is: a kind of real-time synchronization method and processing method of Contact Line Detection data are provided, to solve in the Contact Line Detection process, each detection subsystem are detected data carry out synchronous problem in real time.
Technical solution of the present invention is: a kind of real-time synchronization method of Contact Line Detection data, and said method comprises: S1, in internal memory, set up plural subsystem buffering area respectively, be used for depositing respectively the detection data of plural detection subsystem; S2, receive the detection data of each detection subsystem in real time, and the detection data that will receive leave respectively in the corresponding buffer region in; S3, through the basic parameter information of detection data of each detection subsystem of contrast, carry out the detection data sync and the integration of each detection subsystem.
The present invention also proposes a kind of Contact Line Detection processing method of data; This method is in the Contact Line Detection process; Detection data to each detection subsystem are that benchmark detects data sync in real time with the circuit mileage; Each detection subsystem data is carried out centralized integration again through after Synchronous Processing, carry out at last the detected parameters of each detection subsystem real-time centralized displaying, contrast association analysis, transfinite and differentiate diagnosis and carry out the calculating of each test item according to different detection subsystem parameters.
The real-time synchronization processing method of Contact Line Detection data of the present invention; Can in the contact line detection of dynamic, detect data to each detection subsystem in real time is that benchmark carries out the synchrodata processing with the mileage; Solved thus in the Contact Line Detection process; Is the problem that benchmark detects data sync in real time to comprising that each detection subsystem such as bow net dynamic action parameter detecting subsystem, contact line geometric parameter measurement subsystem, contact line power supply parameter measurement subsystem detects data with the circuit mileage; Each detection subsystem data has been carried out centralized integration through after the Synchronous Processing; Make follow-up real-time centralized displaying of carrying out the detected parameters of each detection subsystem, contrast association analysis, transfinite and differentiate diagnosis and carry out becoming possibility like the calculating of test items such as the dynamic lifting amount of contact wire, contact wire elasticity etc. according to different detection subsystem parameters; Detect data demonstration, analysis, calculating etc. unified accurate Data Source is provided for follow-up; Greatly reduced amount of calculation, improved Contact Line Detection efficient.
Prove through test of many times; Technical scheme of the present invention can be applied in national 863 Program key project-" the highest test speed 400km/h high speed detection train Study on Key Technique and equipment preparation " Contact Line Detection System preferably; The detection data that are used in contact line detection of dynamic process in real time to each detection subsystem of contact line (comprising bow net dynamic action parameter detecting subsystem, contact line geometric parameter detection subsystem, contact line power supply parameter detection subsystem) are that benchmark detects data sync in real time with the circuit mileage; Each detection subsystem data has been through in real time having carried out centralized integration after the Synchronous Processing, for work such as the real-time centralized displaying of follow-up each test item to the Contact Line Detection data and contrast association create conditions.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the application principle sketch map of Contact Line Detection processing method of data of the present invention.
Fig. 2 is the data flowchart of a specific embodiment of the real-time synchronization method of Contact Line Detection data of the present invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The present invention proposes a kind of Contact Line Detection processing method of data; This method is in the Contact Line Detection process; Detection data to each detection subsystem are that benchmark detects data sync in real time with the circuit mileage; Each detection subsystem data is carried out centralized integration again through after Synchronous Processing, carry out at last the detected parameters of each detection subsystem real-time centralized displaying, contrast association analysis, transfinite and differentiate diagnosis and carry out the calculating of each test item according to different detection subsystem parameters.
Preferably, the present invention provides a kind of real-time synchronization method of Contact Line Detection data, and said method comprises:
S1, in internal memory, set up plural subsystem buffering area respectively, be used for depositing respectively the detection data of plural detection subsystem;
S2, receive the detection data of each detection subsystem in real time, and the detection data that will receive leave respectively in the corresponding buffer region in;
S3, through the basic parameter information of detection data of each detection subsystem of contrast, carry out the detection data sync and the integration of each detection subsystem.
Preferably, among the said step S3, each detection subsystem be to be basic parameter information with the mileage synchronously, and detect the synchronization of data process and comprise:
S31, selection one detection subsystem after the detection data in this subsystem buffering area reach some N, promptly detect data sync for detecting data sync benchmark subsystem;
S32, the stores synchronized district is set, the detection data after being used to place synchronously, comprising a basic parameter passage and all data detection channels of each detection subsystem, the size in this stores synchronized district can be held the detection data of a sampled point at least; Variable P, P are set
1..., P
N-1Write down the relevant position of particular sample data in n sub-systems buffering area respectively, wherein the corresponding benchmark subsystem of P buffering area;
S33, before getting in the benchmark subsystem buffering area one group detect data; Write down this group and detect the position P of data in buffering area; And mileage and all sense channel data copied to respective channel position, sync buffering district; Position P is moved one group of sampled data position backward, and the detection data before the P in the deletion benchmark subsystem buffering area, and in other subsystem buffering area, carry out identical mileage respectively and detect searching of data;
S34, detect data as in any non-benchmark subsystem buffering area, finding corresponding identical mileage; The respective detection data channel uses as default in then that this subsystem is the corresponding sync buffering district, writes down simultaneously that the most last group of sampled data position is P in this subsystem buffering area
1... Or P
N-1
S35, as in non-benchmark subsystem buffering area, finding the detection data of corresponding mileage, then writing down the position of corresponding sampled data in corresponding buffering area is P
1... Or P
N-1
S36, with P in each non-benchmark subsystem buffering area
1..., P
N-1All passages in the sampled data of position except that the mileage passage copy to the relevant position in the sync buffering district, with P
1..., P
N-1Move one group of sampled data position backward, and delete P in the corresponding subsystem buffering area
1..., P
N-1Detection data are before carried out the S33 step then.
Preferably, among the said step S3, comprise also a count value Count is set that its initial value is 0;
Among the said step S33, after the detection data in deletion benchmark subsystem buffering area before the P, equal 0, then in other subsystem buffering area, carry out identical mileage respectively and detect searching of data like Count; Otherwise, execution in step S36;
Also comprise among the said step S35: if in each non-benchmark buffering area, all found the detection data of corresponding mileage, then count value Count is set to C; Wherein C representes to detect the sampled data points interval of data sync;
Among the said step S36, P in the corresponding subsystem buffering area of deletion
1..., P
N-1After the detection data before, also comprise: the Count count value is subtracted 1.
A following conjunction with figs. and a specific embodiment are done further to specify to the real-time synchronization processing method of the detection data of a plurality of detection subsystem of contact line of the present invention.
In the present embodiment; The catenary ' s parameters detection subsystem comprises bow net dynamic action parameter detecting subsystem, contact line geometric parameter measurement subsystem, contact line power supply parameter measurement subsystem, all comprise mileage information and corresponding subsystem in the detection data of each subsystem with the corresponding detected parameters data message of mileage.
In conjunction with Fig. 1, shown in Figure 2, the real-time synchronization processing method of present embodiment mainly may further comprise the steps:
1) in internal memory, sets up three sub-systems buffering areas respectively, be used to deposit the detection data of above-mentioned three sub-systems.Buffer size can be provided with according to the delay difference that each detection subsystem detects data acquisition, processing; Characteristics according to three sub-systems; In the present embodiment; The detection data sampling of three sub-systems all is made as 25cm at interval, and the operated by rotary motion buffer size promptly can be deposited 2000 groups of sampled datas for can deposit the detection data in 500 meters scopes.The subsystem buffering area preferably adopts the mode of circulation array to realize.
2) use Transmission Control Protocol or udp protocol to receive the detection data of bow net dynamic action parameter detecting subsystem, contact line geometric parameter measurement subsystem and contact line power supply parameter measurement subsystem respectively in real time through the train special data network, all comprise mileage information and corresponding subsystem in the detection data of each subsystem with the corresponding detected parameters data message of mileage; The detection data that receive are left in respectively in the three sub-systems buffering areas, preferably, completely then delete older data, only keep newer data like the subsystem buffering area.
3) through the detection data mileage information of each detection subsystem of contrast, carry out the detection data sync and the integration of each detection subsystem.Data after integrating synchronously comprise mileage information, reach the detection data message with corresponding all sense channels of mileage.Carry out when synchronous, the sampled data of considering each subsystem at interval, each subsystem sampling number is not more than 12cm according to the mileage error of correspondence, thinks that promptly each subsystem sampling number is according to belonging to same mileage.
4) in the synchronizing process, can arbitrary detection subsystem be detection data sync benchmark subsystem.The implication of synchronous base subsystem; Be in the synchronizing process; After detection data in this subsystem buffering area reach some, promptly detect data sync, and do not consider the detection data bulk in two other subsystem buffering area this moment; Even when asynchronous benchmark subsystem work is undesired, can not influence the detection synchronization of data so yet.In the actual synchronization process, can select to move more reliable and stable or detect the even more important subsystem of data is the synchronous base subsystem.
5) in the synchronizing process, the sampled data in the synchronous base subsystem promptly detects data sync after reaching some N.N is provided with according to the delay difference that detects data acquisition, processing of each detection subsystem, is traditionally arranged to be the detection data in 200 meters scopes, and it is 800 that N promptly is set.
6) a synchronous memory block is set, the detection data after being used to place synchronously, comprising a mileage passage and all data detection channels of each detection subsystem, the size of memory block can be held the detection data of a sampled point.P, P1, P2 are set write down the relevant position of particular sample data in three sub-systems buffering areas respectively, wherein the corresponding benchmark subsystem of P buffering area.It is 0 that one count value Count is set.
7) under the situation of the equal operate as normal of each detection subsystem, the benchmaring data bulk in the subsystem buffering area has also been deposited the detection data of real-time reception during more than or equal to N in all the other two sub-systems buffering areas.At this moment get one group of the most preceding in benchmark subsystem buffering area detection data; Write down this group and detect the position P of data in buffering area; And mileage and all sense channel data copied to respective channel position, sync buffering district; Position P is moved one group of sampled data position backward, and the detection data before the P in the deletion benchmark subsystem buffering area.Equal 0 like Count, then in other two groups of subsystem buffering areas, carry out identical mileage respectively and detect searching of data.Otherwise, carried out for the 10th step.
8) as in any non-benchmark subsystem buffering area, finding corresponding identical mileage to detect data; The respective detection data channel uses as default (generally getting 0) in then that this subsystem is the corresponding sync buffering district, writes down simultaneously that the most last group of sampled data position is P1 or P2 in this subsystem buffering area.
9) as in non-benchmark subsystem buffering area, finding the detection data of corresponding mileage; Then writing down the position of corresponding sampled data in corresponding buffering area is P1 or P2, and all passages except that the mileage passage in the subsystem sampled data of above-mentioned position are copied to the relevant position in the sync buffering district.Simultaneously P1 or P2 are moved one group of sampled data position backward, and delete P1 or P2 detection data before in the corresponding subsystem buffering area.If all found the detection data of corresponding mileage in two non-benchmark buffering areas, then count value Count is set to C.Wherein C representes to detect the sampled data points interval of data sync.(the detection data sampling of considering each detection subsystem is identical at interval, and all is continuous sampling, as long as after having accomplished certain group detection data sync, the subsequent detection data in particular cases all can be in sync bit in nothing.So all sampled datas are not carried out synchronously, but I sampled point carries out data sync at interval.On the basis that does not influence the data sync effect, improved the execution efficient of data sync greatly like this.) carried out then for the 7th step.
10) all passages except that the mileage passage in the sampled data of P1 and P2 position in the non-benchmark subsystem buffering area are copied to the relevant position in the sync buffering district; P1 or P2 are moved one group of sampled data position backward; And delete P1 or P2 detection data before in the corresponding subsystem buffering area, and the Count count value is subtracted 1.Carried out for the 7th step then.
Preferably; Under the state that train stops; Can ignore when utilizing said method to detect data sync that sampled data output detects data with the overwhelming majority in the subsystem buffering area after can guaranteeing like this to stop and carries out synchronously greater than the condition of N sampled point in the benchmark subsystem buffering area.
In sum; Utilize the present invention to realize the real-time Synchronous Processing of Contact Line Detection data; Can be stored in memory afterwards or be transmitted through the network to remote server; Make follow-up real-time centralized displaying of carrying out the detected parameters of each detection subsystem, contrast association analysis, transfinite and differentiate diagnosis and carry out becoming possibility like the calculating of test items such as the dynamic lifting amount of contact wire, contact wire elasticity etc. according to different detection subsystem parameters; Detect data demonstration, analysis, calculating etc. unified accurate Data Source is provided for follow-up, very big reduced amount of calculation, improved Contact Line Detection efficient.
Through verification experimental verification, use the method can satisfy the real time data Synchronous Processing under the F-Zero 400km/h detection case.
Contact Line Detection processing method of data of the present invention is in the Contact Line Detection process; Detection data to each detection subsystem are that benchmark detects data sync in real time with the circuit mileage; Each detection subsystem data is carried out centralized integration again through after Synchronous Processing, carry out at last the detected parameters of each detection subsystem real-time centralized displaying, contrast association analysis, transfinite and differentiate diagnosis and carry out the calculating of each test item according to different detection subsystem parameters.
Though the foregoing description is to describe with the instance that comprises three detection subsystem; Those skilled in the art can understand on the basis of foregoing; This real-time synchronization method of the present invention also is applicable to the data synchronization process more than three detection subsystem; Concrete method step is similar, here explanation no longer one by one.And it need be the occasion that benchmark carries out real time data synchronization with time or space to the different pieces of information source data that this method can be applied to all, can guarantee the synchronous in real time and centralized integration of the several data in different pieces of information source.
Though the present invention discloses with specific embodiment; But it is not in order to limit the present invention; Any those skilled in the art; The displacement of the equivalent assemblies of under the prerequisite that does not break away from design of the present invention and scope, having done, or, all should still belong to the category that this patent is contained according to equivalent variations and modification that scope of patent protection of the present invention is done.
Claims (12)
1. the real-time synchronization method of Contact Line Detection data is characterized in that, said method comprises:
S1, in internal memory, set up plural subsystem buffering area respectively, be used for depositing respectively the detection data of plural detection subsystem;
S2, receive the detection data of each detection subsystem in real time, and the detection data that will receive leave respectively in the corresponding buffer region in;
S3, through the basic parameter information of detection data of each detection subsystem of contrast, carry out the detection data sync and the integration of each detection subsystem.
2. the method for claim 1 is characterized in that, among the said step S3, each detection subsystem be to be basic parameter information with the mileage synchronously, detect the synchronization of data process and comprise:
S31, selection one detection subsystem after the detection data in this subsystem buffering area reach some N, promptly detect data sync for detecting data sync benchmark subsystem;
S32, the stores synchronized district is set, the detection data after being used to place synchronously, comprising a basic parameter passage and all data detection channels of each detection subsystem, the size in this stores synchronized district can be held the detection data of a sampled point at least; Variable P, P are set
1..., P
N-1Write down the relevant position of particular sample data in n sub-systems buffering area respectively, wherein the corresponding benchmark subsystem of P buffering area;
S33, before getting in the benchmark subsystem buffering area one group detect data; Write down this group and detect the position P of data in buffering area; And mileage and all sense channel data copied to respective channel position, sync buffering district; Position P is moved one group of sampled data position backward, and the detection data before the P in the deletion benchmark subsystem buffering area, and in other subsystem buffering area, carry out identical mileage respectively and detect searching of data;
S34, detect data as in any non-benchmark subsystem buffering area, finding corresponding identical mileage; The respective detection data channel uses as default in then that this subsystem is the corresponding sync buffering district, writes down simultaneously that the most last group of sampled data position is P in this subsystem buffering area
1... Or P
N-1
S35, as in non-benchmark subsystem buffering area, finding the detection data of corresponding mileage, then writing down the position of corresponding sampled data in corresponding buffering area is P
1... Or P
N-1
S36, with P in each non-benchmark subsystem buffering area
1..., P
N-1All passages in the sampled data of position except that the mileage passage copy to the relevant position in the sync buffering district, with P
1..., P
N-1Move one group of sampled data position backward, and delete P in the corresponding subsystem buffering area
1..., P
N-1Detection data are before carried out the S33 step then.
3. method as claimed in claim 2; It is characterized in that; Said method also comprises: under the state that train stops; Carry out ignoring when synchronous in the benchmark subsystem buffering area sampled data output greater than the condition of N sampled point, carry out synchronously after guaranteeing to stop the overwhelming majority in the subsystem buffering area is detected data.
4. method as claimed in claim 3 is characterized in that, in the synchronizing process, quantity N is provided with according to the delay difference that each detection subsystem detects data acquisition, processing.
5. method as claimed in claim 2 is characterized in that, among the said step S3, comprises also a count value Count is set that its initial value is 0;
In the deletion benchmark subsystem buffering area after the detection data before the P, equal 0 among the said step S33, then in other subsystem buffering area, carry out identical mileage respectively and detect searching of data like Count; Otherwise, execution in step S36;
Also comprise among the said step S35: if in each non-benchmark buffering area, all found the detection data of corresponding mileage, then count value Count is set to C; Wherein C representes to detect the sampled data points interval of data sync;
Among the said step S36, P in the corresponding subsystem buffering area of deletion
1..., P
N-1Also comprise after the detection data before: the Count count value is subtracted 1.
6. the method for claim 1; It is characterized in that; The Contact Line Detection subsystem comprises bow net dynamic action parameter detecting subsystem, contact line geometric parameter measurement subsystem, contact line power supply parameter measurement subsystem, all comprise mileage information and corresponding subsystem in the detection data of each subsystem with the corresponding detected parameters data message of mileage; This method establishes three detection subsystem buffering areas, to be used for depositing respectively the detection data of bow net dynamic action parameter detecting subsystem, contact line geometric parameter measurement subsystem, contact line power supply parameter measurement subsystem.
7. method as claimed in claim 6; It is characterized in that; The detection data sampling of said three sub-systems is 25cm at interval, and this method subsystem buffer size is set to deposit 500 meters detection data in the scope, promptly can deposit 2000 groups of sampled datas; Be not more than 12cm like each subsystem sampling number according to the mileage error of correspondence, think that promptly each subsystem sampling number is according to belonging to same mileage.
8. the method for claim 1 is characterized in that, said subsystem buffering area adopts the mode of circulation array to realize.
9. the method for claim 1 is characterized in that, among the said step S2, is to use Transmission Control Protocol or udp protocol to receive the detection data of each detection subsystem respectively through the train special data network.
10. the method for claim 1 is characterized in that, in the said method, the data after integrating synchronously comprise that mileage information reaches and the detection data message of corresponding all sense channels of mileage.
11. Contact Line Detection processing method of data; It is characterized in that; This method is in the Contact Line Detection process; Detection data to each detection subsystem are that benchmark detects data sync in real time with the circuit mileage, and each detection subsystem data is carried out centralized integration again through after Synchronous Processing, carry out at last the detected parameters of each detection subsystem real-time centralized displaying, contrast association analysis, transfinite and differentiate diagnosis and carry out the calculating of each test item according to different detection subsystem parameters.
12. method as claimed in claim 11 is characterized in that, each described Contact Line Detection real time data synchronization method realizes in the real-time detection data sync employing claim 1～10 in the said processing method.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113104063A (en) * | 2021-06-09 | 2021-07-13 | 成都国铁电气设备有限公司 | Comprehensive detection system and method for network rail tunnel |
| CN114485751A (en) * | 2022-01-21 | 2022-05-13 | 中国铁道科学研究院集团有限公司 | Spatial synchronization system and method for detection data of steel rail flaw detection vehicle |
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| US20010050025A1 (en) * | 2000-05-04 | 2001-12-13 | Bernard Mary | Method and apparatus for ventilating electrical equipment on board a rail vehicle |
| CN201555658U (en) * | 2009-12-15 | 2010-08-18 | 中国铁道科学研究院机车车辆研究所 | Railway contact net vibration performance test device |
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| US20010050025A1 (en) * | 2000-05-04 | 2001-12-13 | Bernard Mary | Method and apparatus for ventilating electrical equipment on board a rail vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113104063A (en) * | 2021-06-09 | 2021-07-13 | 成都国铁电气设备有限公司 | Comprehensive detection system and method for network rail tunnel |
| CN114485751A (en) * | 2022-01-21 | 2022-05-13 | 中国铁道科学研究院集团有限公司 | Spatial synchronization system and method for detection data of steel rail flaw detection vehicle |
| CN114485751B (en) * | 2022-01-21 | 2023-09-12 | 中国铁道科学研究院集团有限公司 | System and method for spatially synchronizing detection data of rail flaw detection vehicle |
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