CN102710756B - 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 Inspection Technology for Overhead Contact System, 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, is also the most easy one of equipment that problem occurs.In order to ensure traffic safety, must regularly detect contact line and safeguard, make it be in good operation state.The data handling system of Contact Line Detection utilizes the geometric parameter, bow net dynamic action parameter, power supply parameter etc. of microcomputer to contact line to carry out Aulomatizeted Detect, and do further process to the detection data stored.
Existing testing process has two kinds of processing modes to detection data: the first is detecting in train detection process, and each detection subsystem of contact line detects data and do not carry out mileage synchronously, and each detection subsystem data carry out showing, transfiniting differentiation and output etc. respectively; Another kind in testing process, does not carry out mileage synchronously, and each detection subsystem shows respectively, but the mileage carrying out each detection subsystem detection data after detection to be done under car is synchronous, carries out transfiniting of each detected parameters again and differentiate and output after synchronously completing.
If adopt above-mentioned first kind of way, each detection subsystem carries out the display of detection data respectively, transfiniting differentiates and export, the detection data of variant detection subsystem can be caused to carry out simultaneous display, affect testing staff to carry out detecting the differentiation of data over run and the diagnostic analysis of the reason that transfinites according to multi-channel detection data, also cannot complete the function (Uplifting amount as dynamic in contact wire, contact wire elasticity etc.) carrying out calculating new sense channel by the different sense channel data of each detection subsystem.
If adopt the above-mentioned second way, each subsystem mileage is not carried out synchronous in testing process, to be detected complete after carry out the synchronous and differentiation of transfiniting of the mileage of each detection subsystem again, testing staff in testing process can be caused to learn in time and to detect data over run situation, when especially occurring seriously transfiniting in testing process, great pantograph and catenary fault and accident may be caused due to emergency scene process cannot be carried out to transfiniting in time; Meanwhile, carry out on ground detecting data syn-chronization and transfinite and differentiate and also can spend a large amount of time, greatly increase the workload of Contact Line Detection personnel and data analyst, reduce Contact Line Detection efficiency.
Based on the above-mentioned defect that existing Inspection Technology for Overhead Contact System exists, the present inventor, by means of the experience be engaged in this area and researched and developed for many years, manufacture, proposes the present invention, to improve or to overcome the defect of above-mentioned prior art after exploitation repeatedly.
Summary of the invention
The technical problem that the present invention solves is: the real-time synchronization method and the processing method that provide a kind of Contact Line Detection data, to solve in Contact Line Detection process, detects to each detection subsystem the problem that data carry out real-time synchronization.
Technical solution of the present invention is: a kind of real-time synchronization method of Contact Line Detection data, and described method comprises: S1, in internal memory, set up plural subsystem buffering area respectively, for depositing the detection data of plural detection subsystem respectively; The detection data of each detection subsystem of S2, real-time reception, and the detection data received are left in respectively in corresponding buffering area; S3, the basic parameter information of detection data by each detection subsystem of contrast, carry out detection data syn-chronization and the integration of each detection subsystem.
The present invention also proposes a kind of processing method of Contact Line Detection data, the method is in Contact Line Detection process, synchronous for benchmark carries out real-time detector data with circuit mileage to the detection data of each detection subsystem, each detection subsystem data carry out centralized integration again after synchronously process, finally carry out the real-time centralized displaying of the detected parameters of each detection subsystem, contrast association analysis, transfinite Distinguishing diagnosis and carry out the calculating of each test item according to different detection subsystem parameter.
The real-time synchronization processing method of Contact Line Detection data of the present invention, in contact line detection of dynamic, can detect data with mileage in real time to each detection subsystem is that benchmark carries out synchrodata process, solve in Contact Line Detection process thus, to comprising bow net dynamic action parameter detecting subsystem, contact line geometric parameter measurement subsystem, each detection subsystem such as contact line power supply parameter measurement subsystem detects data with circuit mileage for benchmark carries out the synchronous problem of real-time detector data, each detection subsystem data have carried out centralized integration after synchronously process, make follow-up real-time centralized displaying of carrying out the detected parameters of each detection subsystem, contrast association analysis, transfinite Distinguishing diagnosis and carry out Uplifting amount as dynamic in contact wire according to different detection subsystem parameter, the calculating etc. of the test items such as contact wire elasticity becomes possibility, the display of detection data is carried out for follow-up, analyze, calculating etc. provides unified accurate data source, greatly decrease amount of calculation, improve Contact Line Detection efficiency.
Prove through test of many times, technical scheme of the present invention can be applied in National 863 plan key project-" the highest test speed 400km/h high-speed detection train key technology research and equipment preparation " Contact Line Detection System preferably, be used for (comprising bow net dynamic action parameter detecting subsystem to each detection subsystem of contact line in real time in contact line detection of dynamic process, contact line geometric parameter detection subsystem, contact line power supply parameter detection subsystem) detection data synchronous for benchmark carries out real-time detector data with circuit mileage, each detection subsystem data have carried out centralized integration after real-time synchronization process, for the real-time centralized displaying of follow-up each test item to Contact Line Detection data and work such as contrast association etc. create conditions.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the application principle schematic diagram of the processing method of Contact Line Detection 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
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The present invention proposes a kind of processing method of Contact Line Detection data, the method is in Contact Line Detection process, synchronous for benchmark carries out real-time detector data with circuit mileage to the detection data of each detection subsystem, each detection subsystem data carry out centralized integration again after synchronously process, finally carry out the real-time centralized displaying of the detected parameters of each detection subsystem, contrast association analysis, transfinite Distinguishing diagnosis and carry out the calculating of each test item according to different detection subsystem parameter.
Preferably, the invention provides a kind of real-time synchronization method of Contact Line Detection data, described method comprises:
S1, in internal memory, set up plural subsystem buffering area respectively, for depositing the detection data of plural detection subsystem respectively;
The detection data of each detection subsystem of S2, real-time reception, and the detection data received are left in respectively in corresponding buffering area;
S3, the basic parameter information of detection data by each detection subsystem of contrast, carry out detection data syn-chronization and the integration of each detection subsystem.
Preferably, in described step S3, each detection subsystem be synchronously take mileage as basic parameter information, and detect the synchronizing process of data and comprise:
S31, selecting a detection subsystem for detecting data syn-chronization reference subsystem, after the detection data in this subsystem buffering area reach some N, namely carrying out detection data syn-chronization;
S32, stores synchronized district is set, for place synchronous after detection data, comprising a basic parameter passage and all data detection channels of each detection subsystem, the size in this stores synchronized district at least can hold the detection data of a sampled point; Variable P, P are set
1..., P
n-1record the relevant position of particular sample data in n sub-system buffer respectively, wherein the corresponding reference subsystem buffering area of P;
S33, get the most front in reference subsystem buffering area one group and detect data, record this group and detect data position P in the buffer, and by mileage and all sense channel data Replicas to respective channel position, sync buffering district, by position P mobile one group of sampled data position backward, and the detection data of deleting in reference subsystem buffering area before P, and in other subsystem buffering area, carry out searching of identical mileage detection data respectively;
S34, as corresponding identical mileage cannot be found in any non-referenced subsystem buffering area to detect data, then used as default by corresponding data detection channel in sync buffering district corresponding for this subsystem, record the most last group of sampled data position in this subsystem buffering area is P simultaneously
1... or P
n-1;
S35, as found the detection data of corresponding mileage in non-referenced subsystem buffering area, then recording the position of corresponding sampled data in corresponding buffering area is P
1... or P
n-1;
S36, by P in each non-referenced subsystem buffering area
1..., P
n-1all passages in the sampled data of position except mileage passage copy to the relevant position in sync buffering district, by P
1..., P
n-1mobile one group of sampled data position backward, and delete P in corresponding subsystem buffering area
1..., P
n-1detection data before, then perform S33 step.
Preferably, in described step S3, also comprise and arrange a count value Count, its initial value is 0;
In described step S33, after deleting the detection data in reference subsystem buffering area before P, as Count equals 0, then in other subsystem buffering area, carry out identical mileage respectively detect searching of data; Otherwise, perform step S36;
Also comprise in described step S35: if all have found the detection data of corresponding mileage in each non-referenced buffering area, then count value Count is set to C; Wherein C represents the sampled data points interval carrying out detecting data syn-chronization;
In described step S36, P in the corresponding subsystem buffering area of deletion
1..., P
n-1after detection data before, also comprise: Count count value is subtracted 1.
Accompanying drawing and the real-time synchronization processing method of a specific embodiment to the detection data of the multiple detection subsystem of contact line of the present invention is coordinated to be described in further detail below.
In the present embodiment, 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 comprises the detected parameters data message corresponding with mileage of mileage information and corresponding subsystem in the detection data of each subsystem.
Shown in composition graphs 1, Fig. 2, the real-time synchronization processing method of the present embodiment mainly comprises the following steps:
1) in internal memory, three sub-system buffers are set up respectively, for depositing the detection data of above-mentioned three subsystems.Buffer size can be carried out detecting the delay difference of data sampling and processing according to each detection subsystem and be arranged, according to the feature of three subsystems, in the present embodiment, the detection data sampling interval of three subsystems is all set to 25cm, generally arranging buffer size is the detection data can deposited within the scope of 500 meters, namely can deposit 2000 groups of sampled datas.Subsystem buffering area preferably adopts the mode of circulation array to realize.
2) use Transmission Control Protocol or udp protocol by the detection data of train private data network difference real-time reception bow net dynamic action parameter detecting subsystem, contact line geometric parameter measurement subsystem and contact line power supply parameter measurement subsystem, in the detection data of each subsystem, all comprise the detected parameters data message corresponding with mileage of mileage information and corresponding subsystem; The detection data received are left in respectively in three sub-system buffers, preferably, as older data are completely then deleted in subsystem buffering area, only retain newer data.
3) by the detection data mileage information of each detection subsystem of contrast, detection data syn-chronization and the integration of each detection subsystem is carried out.Data after synchronous integration comprise mileage information, and the detection data message of all sense channels corresponding with mileage.When carrying out synchronous, consider the sampled data interval of each subsystem, each subsystem sampling number is not more than 12cm according to the mileage error of correspondence, namely thinks that each subsystem sampling number is according to belonging to same mileage.
4), in synchronizing process, can arbitrary detection subsystem be detection data syn-chronization reference subsystem.The implication of synchronous base subsystem, namely in synchronizing process, after detection data in this subsystem buffering area reach some, namely detection data syn-chronization is carried out, and do not consider the detection data bulk in now two other subsystem buffering area, even if like this when asynchronous reference subsystem work is abnormal, also can not affect and detect the synchronous of data.In actual synchronization process, can select to run subsystem that is more reliable and stable or that detect data even more important is synchronous base subsystem.
5), in synchronizing process, namely the sampled data in synchronous base subsystem carries out detection data syn-chronization after reaching some N.The delay difference that N detects data sampling and processing according to the carrying out of each detection subsystem is arranged, and be traditionally arranged to be the detection data within the scope of 200 meters, namely arranging N is 800.
6) arrange a synchronous memory block, for placing the detection data synchronously, comprising a mileage passage and all data detection channels of each detection subsystem, the size of memory block can hold the detection data of a sampled point.P, P1, P2 are set and record the relevant position of particular sample data in three sub-system buffers respectively, wherein the corresponding reference subsystem buffering area of P.Arranging a count value Count is 0.
7), when each detection subsystem all normally works, when the benchmaring data bulk in subsystem buffering area is more than or equal to N, the detection data of real-time reception in all the other two sub-system buffers, are also housed.At this moment one group of detection data the most front in reference subsystem buffering area are got, record this group and detect data position P in the buffer, and by mileage and all sense channel data Replicas to respective channel position, sync buffering district, by position P mobile one group of sampled data position backward, and delete the detection data in reference subsystem buffering area before P.As Count equals 0, then in other two groups of subsystem buffering areas, carry out identical mileage respectively detect searching of data.Otherwise, perform the 10th step.
8) as corresponding identical mileage cannot be found in any non-referenced subsystem buffering area to detect data, then used as default (generally getting 0) by corresponding data detection channel in sync buffering district corresponding for this subsystem, record the most last group of sampled data position in this subsystem buffering area is P1 or P2 simultaneously.
9) as the detection data of corresponding mileage can be found in non-referenced subsystem buffering area, then recording the position of corresponding sampled data in corresponding buffering area is P1 or P2, and all passages in the subsystem sampled data of above-mentioned position except mileage passage are copied to the relevant position in sync buffering district.Simultaneously by P1 or P2 mobile one group of sampled data position backward, and delete the detection data in corresponding subsystem buffering area before P1 or P2.If all have found the detection data of corresponding mileage in two non-referenced buffering areas, then count value Count is set to C.Wherein C represents the sampled data points interval carrying out detecting data syn-chronization.(consider that the detection data sampling interval of each detection subsystem is identical, and be all continuous sampling, as long as after completing certain group detection data syn-chronization, subsequent detection data in particular cases all can be in sync bit in nothing.Therefore do not carry out synchronously all sampled datas, but an I sampled point in interval carries out data syn-chronization.Like this on the basis not affecting data syn-chronization effect, substantially increase the execution efficiency of data syn-chronization.) then perform the 7th step.
10) all passages in the sampled data of P1 and P2 position in non-referenced subsystem buffering area except mileage passage are copied to the relevant position in sync buffering district, by P1 or P2 mobile one group of sampled data position backward, and the detection data of deleting in corresponding subsystem buffering area before P1 or P2, and Count count value is subtracted 1.Then the 7th step is performed.
Preferably, under the state of Train Stopping, utilize said method to carry out can ignoring sampled data output in reference subsystem buffering area when detecting data syn-chronization and be greater than the condition of N number of sampled point, after parking can be ensured like this, the overwhelming majority in subsystem buffering area is detected data and carry out synchronously.
In sum, the present invention is utilized to realize the real-time synchronization process of Contact Line Detection data, memory can be stored in 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 Distinguishing diagnosis and carry out Uplifting amount as dynamic in contact wire according to different detection subsystem parameter, the calculating etc. of the test items such as contact wire elasticity becomes possibility, the display of detection data is carried out for follow-up, analyze, calculating etc. provides unified accurate data source, greatly decrease amount of calculation, improve Contact Line Detection efficiency.
Through verification experimental verification, the real-time data synchronization process under using the method can meet F-Zero 400km/h detection case.
The processing method of Contact Line Detection data of the present invention is in Contact Line Detection process, synchronous for benchmark carries out real-time detector data with circuit mileage to the detection data of each detection subsystem, each detection subsystem data carry out centralized integration again after synchronously process, finally carry out the real-time centralized displaying of the detected parameters of each detection subsystem, contrast association analysis, transfinite Distinguishing diagnosis and carry out the calculating of each test item according to different detection subsystem parameter.
Be described although above-described embodiment is the example comprising three detection subsystem, those skilled in the art can understand on the basis of the above, this real-time synchronization method of the present invention is also applicable to the data synchronization process more than three detection subsystem, concrete method step is similar, illustrates no longer one by one herein.And this method can be applied to all to need different pieces of information source data with time or space and, for benchmark carries out the occasion of real time data synchronization, can ensure real-time synchronization and the centralized integration of the several data in different pieces of information source.
Although the present invention discloses with specific embodiment; but it is also not used to limit the present invention; any those skilled in the art; the displacement of equivalent assemblies done under the prerequisite not departing from the spirit and scope of the present invention; or the equivalent variations to do according to scope of patent protection of the present invention and modification, all still should belong to the category that this patent is contained.
Claims (8)
1. the real-time synchronization method of Contact Line Detection data, it is characterized in that, Contact Line Detection subsystem at least comprises bow net dynamic action parameter detecting subsystem, contact line geometric parameter measurement subsystem, contact line power supply parameter measurement subsystem, all comprises the detected parameters data message corresponding with mileage of mileage information and corresponding subsystem in the detection data of each subsystem; Described method comprises:
S1, in internal memory, set up the subsystem buffering area of more than three respectively, for depositing the detection data of detection subsystem of more than three respectively;
The detection data of each detection subsystem of S2, real-time reception, and the detection data received are left in respectively in corresponding buffering area;
S3, the basic parameter information of detection data by each detection subsystem of contrast, carry out detection data syn-chronization and the integration of each detection subsystem, wherein, each detection subsystem be synchronously take mileage as basic parameter information, the synchronizing process detecting data comprises:
S31, selecting a detection subsystem for detecting data syn-chronization reference subsystem, after the detection data in this subsystem buffering area reach some N, namely carrying out detection data syn-chronization;
S32, stores synchronized district is set, for place synchronous after detection data, comprising a basic parameter passage and all data detection channels of each detection subsystem, the size in this stores synchronized district at least can hold the detection data of a sampled point; Variable P, P are set
1..., P
n-1record the relevant position of particular sample data in n sub-system buffer respectively, wherein the corresponding reference subsystem buffering area of P;
S33, get the most front in reference subsystem buffering area one group and detect data, record this group and detect data position P in the buffer, and by mileage and all sense channel data Replicas to respective channel position, sync buffering district, by position P mobile one group of sampled data position backward, and the detection data of deleting in reference subsystem buffering area before P, and in other subsystem buffering area, carry out searching of identical mileage detection data respectively;
S34, as corresponding identical mileage cannot be found in any non-referenced subsystem buffering area to detect data, then used as default by corresponding data detection channel in sync buffering district corresponding for this subsystem, record the most last group of sampled data position in this subsystem buffering area is P simultaneously
1... or P
n-1;
S35, as found the detection data of corresponding mileage in non-referenced subsystem buffering area, then recording the position of corresponding sampled data in corresponding buffering area is P
1... or P
n-1;
S36, by P in each non-referenced subsystem buffering area
1..., P
n-1all passages in the sampled data of position except mileage passage copy to the relevant position in sync buffering district, by P
1..., P
n-1mobile one group of sampled data position backward, and delete P in corresponding subsystem buffering area
1..., P
n-1detection data before, then perform S33 step.
2. the method for claim 1, it is characterized in that, described method also comprises: under the state of Train Stopping, ignore sampled data output in reference subsystem buffering area when carrying out synchronous and be greater than the condition of N number of sampled point, the overwhelming majority in subsystem buffering area is detected data carry out synchronously after ensureing to stop, wherein, in synchronizing process, the delay difference that quantity N carries out detecting data sampling and processing according to each detection subsystem is arranged.
3. the method for claim 1, is characterized in that, in described step S3, also comprises and arranges a count value Count, and its initial value is 0;
After deleting the detection data in reference subsystem buffering area before P in described step S33, as Count equals 0, then in other subsystem buffering area, carry out identical mileage respectively detect searching of data; Otherwise, perform step S36;
Also comprise in described step S35: if all have found the detection data of corresponding mileage in each non-referenced buffering area, then count value Count is set to C; Wherein C represents the sampled data points interval carrying out detecting data syn-chronization;
In described step S36, P in the corresponding subsystem buffering area of deletion
1..., P
n-1also comprise after detection data before: Count count value is subtracted 1.
4. the method for claim 1, it is characterized in that, the detection data sampling interval of described three subsystems is 25cm, and subsystem buffer size is set to the detection data can deposited within the scope of 500 meters by the method, namely can deposit 2000 groups of sampled datas; As each subsystem sampling number is not more than 12cm according to the mileage error of correspondence, namely think that each subsystem sampling number is according to belonging to same mileage.
5. the method for claim 1, is characterized in that, described subsystem buffering area adopts the mode of circulation array to realize.
6. the method for claim 1, is characterized in that, in described step S2, is use Transmission Control Protocol or udp protocol to receive the detection data of each detection subsystem respectively by train private data network.
7. the method for claim 1, is characterized in that, in described method, the data after synchronous integration comprise the detection data message of mileage information and all sense channels corresponding with mileage.
8. the processing method of Contact Line Detection data, it is characterized in that, Contact Line Detection subsystem at least comprises bow net dynamic action parameter detecting subsystem, contact line geometric parameter measurement subsystem, contact line power supply parameter measurement subsystem, all comprises the detected parameters data message corresponding with mileage of mileage information and corresponding subsystem in the detection data of each subsystem; Utilize the synchronizing process of the detection data as described in claim as arbitrary in claim 1-7, the synchronizing process of these detection data is in Contact Line Detection process, synchronous for benchmark carries out real-time detector data with circuit mileage to the detection data of each detection subsystem, each detection subsystem data carry out centralized integration again after synchronously process, finally carry out the real-time centralized displaying of the detected parameters of each detection subsystem, contrast association analysis, transfinite Distinguishing diagnosis and carry out the dynamic Uplifting amount of contact wire, the flexible calculating of contact wire according to different detection subsystem parameter.
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