CN113008178A - Data synchronization association acquisition device, method, equipment and medium for track detection system - Google Patents
Data synchronization association acquisition device, method, equipment and medium for track detection system Download PDFInfo
- Publication number
- CN113008178A CN113008178A CN202110206582.9A CN202110206582A CN113008178A CN 113008178 A CN113008178 A CN 113008178A CN 202110206582 A CN202110206582 A CN 202110206582A CN 113008178 A CN113008178 A CN 113008178A
- Authority
- CN
- China
- Prior art keywords
- data
- detection data
- time
- detection
- acquisition
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
- G01C21/18—Stabilised platforms, e.g. by gyroscope
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The embodiment of the invention provides a device, a method, equipment and a medium for synchronously associating and acquiring data of a track detection system, wherein the device comprises: the measuring equipment is used for measuring various kinds of detection data required by the track detection system; and the acquisition device is used for acquiring the detection data of each measuring device under the control of the unified clock, adding a time-space information label at the acquisition moment to the detection data of each measuring device, and packaging and outputting the detection data of each measuring device added with the time-space information label. According to the scheme, the association and alignment of each detection data on time information and space information can be realized through the space-time information label, the flexibility and controllability of the alignment of the detection data time sequence of each channel can be improved, and the stability of system expansion can be improved; by using the acquisition device, the dependence on the QNX platform is avoided, and the problems of complexity, time-consuming modification and the like of the QNX platform are avoided.
Description
Technical Field
The invention relates to the technical field of track detection, in particular to a device, a method, equipment and a medium for synchronously associating and acquiring data of a track detection system.
Background
The rail detection is an important means for mastering the quality state of the rail, guiding the maintenance of the line and ensuring the driving safety. The rail detection equipment mainly comprises a rail inspection vehicle, a comprehensive detection train and the like. The rail inspection vehicle is a rail detection device widely used in various countries in the world and used for detecting geometric dimension deviation of railway rails, including geometric irregularity items such as gauge, track direction, height, super height (level), triangular pits and the like. The comprehensive detection train is a large-scale detection device provided with a track detection system and other multi-professional detection systems, and is mainly used for detecting the state of infrastructure of a high-speed railway. 51 track inspection vehicles and 12 high-speed comprehensive detection trains in the prior art are main equipment for dynamic detection of geometrical parameters of railway tracks in China.
The data synchronous acquisition of the current rail inspection system is based on a QNX platform, the QNX platform adopts a multi-process concurrent mode, and data interaction among multiple processes adopts three forms of shared memory, semaphore and resource manager. The system architecture has the advantages that the operating system can accurately control the interrupt response sequence, so that the time sequence between the acquisition, interaction and synthesis models can be accurately controlled, and the real-time detection is realized. However, with the diversity of the detection environment and the continuous change of the customer's requirements, the disadvantages of the above system architecture are gradually highlighted, which mainly appear as: the tight coupling of the modules results in the modification of any point being very complicated and time-consuming; the lack of timestamp information leads to the fact that the accuracy requirement of the existing system on time sequence control is extremely high, the lack of flexible controllability of time sequence alignment of all channels, and when the system detection function needs to be expanded (for example, network track fusion detection), the accuracy control is more complex, and the risk of stability is improved.
Disclosure of Invention
The embodiment of the invention provides a data synchronization association acquisition device of a track detection system, which aims to solve the technical problems of complicated modification, time consumption and low flexibility and controllability of time sequence alignment of each channel in the prior art. The method comprises the following steps:
the measuring equipment is used for measuring various kinds of detection data required by the track detection system;
and the acquisition device is used for acquiring the detection data of each measuring device under the control of the unified clock, adding a time-space information label at the acquisition moment to the detection data of each measuring device, and packaging and outputting the detection data of each measuring device added with the time-space information label.
The embodiment of the invention also provides a data synchronization association acquisition method of the track detection system, which aims to solve the technical problems of complicated modification, time consumption and low flexibility and controllability of time sequence alignment of each channel in the prior art. The method comprises the following steps:
measuring various detection data required by a track detection system;
and collecting all detection data under the control of a unified clock, adding a time-space information label of the collection time to all the detection data, and packaging and outputting all the detection data added with the time-space information label.
The embodiment of the invention also provides computer equipment which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor realizes the synchronous associated data acquisition of any track detection system when executing the computer program so as to solve the technical problems of complicated modification and time consumption and low flexibility and controllability of time sequence alignment of each channel in the prior art.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program for executing any of the above-mentioned synchronous and correlated data acquisition of a track detection system is stored in the computer-readable storage medium, so as to solve the technical problems in the prior art that modification is complicated and time-consuming, and flexibility and controllability of alignment of time sequences of channels are low.
In the embodiment of the invention, the acquisition device is arranged, the acquisition device acquires the detection data of each measuring device under the control of the unified clock, the spatiotemporal information labels at the acquisition time are added to the detection data of each measuring device, and then the detection data of each measuring device added with the spatiotemporal information labels are packaged and output so as to facilitate the subsequent application of the detection data. The acquisition of the detection data and the addition of the spatiotemporal information labels at the acquisition time are realized through the acquisition device, so that the detection data are marked by the spatiotemporal information labels in a unified clock when being acquired, and the correlation and alignment of each detection data on time information and space information can be realized through the spatiotemporal information labels subsequently, thereby being beneficial to improving the flexible controllability of the alignment of the detection data time sequence of each channel and improving the stability of system expansion; by using the acquisition device, the dependence on the QNX platform is avoided, and the problems of complexity, time-consuming modification and the like of the QNX platform are avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a block diagram of a data synchronization association acquisition device of a track detection system according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a data synchronization association acquisition device of a track detection system according to an embodiment of the present invention;
fig. 3 is a schematic external view of a laser camera module according to an embodiment of the present invention;
FIG. 4 is a schematic exterior view of an inertial assembly provided by an embodiment of the invention;
FIG. 5 is a schematic diagram of a ground mark sensor according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of an external shape of a vehicle body acceleration according to an embodiment of the present invention;
fig. 7 is a schematic external view of a mileage positioning server provided by an embodiment of the present invention;
FIG. 8 is a schematic diagram of an embodiment of an optical-electrical encoder according to the present invention;
fig. 9 is a data synchronous acquisition flow chart of a data synchronous correlation acquisition device of a track detection system according to an embodiment of the present invention;
FIG. 10 is a diagram illustrating a detection data association for each channel according to an embodiment of the present invention;
FIG. 11 is a flowchart of a data synchronous association acquisition method for a track detection system according to an embodiment of the present invention;
fig. 12 is a block diagram of a computer device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
In an embodiment of the present invention, a data synchronization association and acquisition apparatus for a track detection system is provided, as shown in fig. 1, the apparatus includes:
the measuring equipment 102 is used for measuring various types of detection data required by the track detection system;
and the acquisition device 104 is used for acquiring the detection data of each measuring device under the control of the unified clock, adding a time-space information label of the acquisition time to the detection data of each measuring device, and packaging and outputting the detection data of each measuring device added with the time-space information label.
As can be seen from the apparatus shown in fig. 1, in the embodiment of the present invention, an acquisition apparatus is provided, and the acquisition apparatus acquires the detection data of each measurement device under the control of a unified clock, and adds a spatiotemporal information tag at an acquisition time to the detection data of each measurement device, and then packs and outputs the detection data of each measurement device to which the spatiotemporal information tag is added, so as to facilitate subsequent application of the detection data. The acquisition of the detection data and the addition of the spatiotemporal information labels at the acquisition time are realized through the acquisition device, so that the detection data are marked by the spatiotemporal information labels in a unified clock when being acquired, and the correlation and alignment of each detection data on time information and space information can be realized through the spatiotemporal information labels subsequently, thereby being beneficial to improving the flexible controllability of the alignment of the detection data time sequence of each channel and improving the stability of system expansion; by using the acquisition device, the dependence on the QNX platform is avoided, and the problems of complexity, time-consuming modification and the like of the QNX platform are avoided.
In specific implementation, the external raw data to which the track detection system needs to access is of various types, for example, as shown in fig. 2, the measurement device may include a laser camera component, an inertia component, a vehicle acceleration, a digital ALD, a photoelectric encoder, a mileage positioning information server, and the like, the interfaces of the data sources of different measurement devices are different, and the acquisition device needs to be equipped with corresponding interface circuits, as shown in fig. 2 and table 1 below, the acquisition device is provided with a serial interface and/or a CAN interface, respectively acquires the detection data of each measurement device under the control of a unified clock, completes the synchronous acquisition of the multi-source data and adds a space-time information tag, and packages and outputs the data to which the space-time information tag is added, so that a subsequent data processing server applies the data to perform track geometric parameter calculation.
TABLE 1
In specific implementation, the laser camera shooting assembly is as shown in fig. 3, and a high-speed camera and a laser are installed inside the laser camera shooting assembly. The high-speed camera obtains track image information through the optical glass sheet, as shown in fig. 2, the track image information is processed by the track inspection image processor and then sends required data to the acquisition device through the two CAN interface buses, and then the acquisition device packs the data and sends the data to the real-time data processing server for track geometric parameter calculation after adding a space-time information label.
In specific implementation, the inertial component has an external shape as shown in fig. 4, and three axial gyroscopes (using fiber optic gyroscopes) and three axial accelerometers (using quartz flexible accelerometers) are installed inside the inertial component. The inertial measurement unit component acquires the attitude and the acceleration information of the detection beam through an internal sensor, as shown in fig. 2, the attitude and the acceleration information of the detection beam are processed by a computer and then sent to an acquisition device through a CAN interface, and then the acquisition device adds a space-time information label and then packs and sends the data to a real-time data processing server for calculating the geometrical parameters of the track.
In specific implementation, the outline of a digital ALD (Automatic Location Detector) is shown in fig. 5. The road junction, the turnout, the bridge, the gauge pull rod and the like on the track contain metal parts, the ALD sensor arranged on the detection beam CAN detect the metal parts, as shown in figure 2, the output signal of the ALD sensor is sent to the acquisition device through the CAN interface, and then the acquisition device packs the data and sends the data to the real-time data processing server for track geometric parameter calculation after adding the space-time information label.
In specific implementation, the profile of the vehicle body vibration acceleration is shown in fig. 6. The vibration acceleration of the car body is measured by adopting an integrated digital signal triaxial accelerometer assembly, transverse and vertical acceleration measurement signals of three sections of the car body, the framework and the axle box are sent to an acquisition device through a 422 serial port bus, as shown in figure 2, and then the acquisition device packs data and sends the data to a real-time data processing server for track geometric parameter calculation after adding a space-time information label.
During the specific implementation, in the dynamic detection process, the positioning synchronization system receives the electronic tag information through the mileage positioning server, and the positioning synchronization system can automatically identify the correct electronic tag according to the driving direction to acquire the line mileage and correct the mileage value. The appearance of the mileage positioning server is shown in fig. 7, the mileage positioning server sends real-time mileage information to the acquisition device according to an RS-422 serial port protocol, as shown in fig. 2, and the acquisition device packs the data and sends the data to the real-time data processing server for track geometric parameter calculation after adding a space-time information label.
In specific implementation, in order to add a space-time information tag to the detection data of each measurement device and to implement association and time sequence alignment of the detection data of each measurement device, in this embodiment, as shown in fig. 2, the acquisition apparatus includes: the photoelectric encoder is used for accumulating mileage output pulse number; a microsecond counter for accumulating microsecond counts; and the data processing module is used for taking the pulse count of the photoelectric encoder and the microsecond count of the microsecond counter as space-time information labels at the moment of acquiring the detection data of each measuring device, and adding the space-time information labels in the detection data of each measuring device.
During specific implementation, the photoelectric encoder is used for measuring the running speed of the train and providing external trigger interruption for system sampling, and is an important sensor. The shape of the photoelectric encoder is shown in fig. 8, and after the signals of the photoelectric encoder under the vehicle are subjected to filtering, photoelectric isolation, signal distribution and the like, the signals are provided to the acquisition device for synchronously acquiring detection data and calculating the dynamic speed of the vehicle as shown in fig. 2.
In specific implementation, in order to cope with the difference between the data frequency and the data amount, the acquisition device further includes: and the data output module is used for correspondingly setting a first-in first-out queue for each measuring device, storing the detection data of each measuring device added with the space-time information label into the corresponding first-in first-out queue, and packaging and outputting the detection data.
In specific implementation, the acquisition device can add absolute time, such as time of year, month, day, hour, minute and second, to the detection data of each detection device besides the pulse count and microsecond count of the photoelectric encoder, and is mainly used for recording the time for storing the data. Specifically, pulse counting of the photoelectric encoder: counting is started from power-on, the counting of the photoelectric encoder is accumulated, and the position where any packet of data occurs can be located through mileage information and the counting of the photoelectric encoder. Microsecond counting: the microsecond counting is accumulated from the power-on, and the time interval of the adjacent packets of each path of data can be determined through the microsecond counting, so that the sequence and the time interval of the data can be checked, and the method is useful for inertial navigation data.
Specifically, the detection data after adding the spatio-temporal information tag can be associated based on the spatio-temporal information tag, and the line information can be obtained: line name-start station-end station-up/down. When the data is stored every time, the line information of the data is recorded; starting or corrective mileage can also be derived: the unit is meter, and the upper computer sets up mileage information through the serial ports. Packet counting may also be performed: and designing packets with different sizes according to different data, and adding packet counting information.
In specific implementation, in the process of adding the spatio-temporal information tag, the data formats of different data interfaces are as follows:
(1) CAN interface data format
The data packet sent through the CAN port is ID + valid data, and the data packet has 10 bytes. After the acquisition device receives the data, microsecond counting of 6 bytes, photoelectric encoder counting of 6 bytes and a head of 2 bytes are added in front, and 32 bytes are added in total, so that the space-time information label is added.
(2) Serial port data format
The data packet sent by the RS422 serial port is the frame header + valid data, which is 15 bytes in total. After the acquisition device receives the data, microsecond counting of 6 bytes, photoelectric encoder counting of 6 bytes and a head of 2 bytes are added in front, and 32 bytes are added in total, so that the space-time information label is added.
(3) Data packet header format
The acquisition device respectively stores the data packed by the 9 detection data sources into 9 FIFOs (first-in first-out queues), any FIFO in the 9 FIFOs is packed into a line after being filled with 1024 bytes, and a 32-byte packet header (the 32-byte packet header comprises information for distinguishing data packets such as data types) is added and then output through a Gige interface.
In specific implementation, the above-mentioned acquisition device may be set as an embedded acquisition platform, and the above-mentioned acquisition device may be implemented by an FPGA, for example, the acquisition device will acquire original detection data of different frequencies and data amounts by multiple paths under control of a unified internal clock, and a flow chart of the internal data of the acquisition device is shown in fig. 9, where external 50M and 200MHZ clock sources provide clock signals for internal logic processing of the FPGA, and a 16M clock source provides timing information for a CAN bus interface chip. The register read-write module reads program information stored in an external EEPROM after being electrified, and configures input logic, data packaging, a data reading module and the like in the FPGA. The external data interface part can send the frequency division pulse to external equipment through the trigger output module and receive the data information of the vehicle acceleration and the mileage positioning server through the 422 interface. The acquisition device is externally provided with a CAN bus interface, and data is converted into a high-speed serial interface through a CAN bus chip set and is sent to the FPGA data receiving module. Independent FIFOs are set for each channel data to deal with different data frequencies and data volumes, a data reading module (which completes the functions of a data processing module and a data output module in FIG. 2) adds spatial information and time information to the data according to a specific communication protocol and completes data packaging under the control of an FPGA unified clock and internal logic, and then sends the data to a data format output module, the data format output module sends the packaged data to a GIGE conversion module according to a preset time sequence relation, and the GIGE conversion module sends the converted data to a GIGE interface chip to convert the data packet into a standard GIGE protocol form and send the data packet to a back-end PC device.
In specific implementation, a data packet output by the data synchronous association acquisition device of the track detection system is opened through data analysis software, and time-space information labels are superposed on original detection data of each channel, so that a coordinate system is established by taking time or pulse count as a horizontal coordinate, different data source information is displayed by different channels, as shown in fig. 10, a vertical line at the lowest part represents sampling pulses of four points in a meter, and each data source information of the generation time and the passing position of the sampling pulses can be searched near a central vertical line of the graph, so that the time sequence relation among the data can be recovered through the time and space labels, the dependence on a real-time QNX platform is eliminated on the premise of ensuring the real-time performance of the system, the data association is established, and the off-line analysis of the data is realized.
Based on the same inventive concept, the embodiment of the present invention further provides a data synchronization and association acquisition method for a track detection system, as described in the following embodiments. The principle of the problem solving method of the track detection system data synchronous associated acquisition method is similar to that of the track detection system data synchronous associated acquisition device, so the implementation of the track detection system data synchronous associated acquisition method can refer to the implementation of the track detection system data synchronous associated acquisition device, and repeated parts are not described again.
Fig. 11 is a flowchart of a data synchronization association acquisition method of a track detection system according to an embodiment of the present invention, and as shown in fig. 11, the method includes:
step 1102: measuring various detection data required by a track detection system;
step 1104: and collecting all detection data under the control of a unified clock, adding a time-space information label of the collection time to all the detection data, and packaging and outputting all the detection data added with the time-space information label.
In one embodiment, adding a spatiotemporal information label of the acquisition time to each detection data comprises:
accumulating mileage to correspond to the output pulse number; accumulating microsecond counts; and taking the pulse count and the microsecond count as a time-space information label at the moment of collecting each detection data, and adding the time-space information label in each detection data.
In one embodiment, collecting each test datum under control of a universal clock comprises:
and respectively collecting each detection data under the control of a unified clock through a serial port interface and/or a CAN interface.
In one embodiment, the packaging and outputting of each detection data after the spatiotemporal information tag is added comprises:
and correspondingly setting a first-in first-out queue for each detection data, storing each detection data added with the space-time information label into the corresponding first-in first-out queue, and packaging and outputting the detection data.
In this embodiment, a computer device is provided, as shown in fig. 12, and includes a memory 1202, a processor 1204, and a computer program stored on the memory and executable on the processor, and the processor implements any of the data storage methods described above when executing the computer program.
In particular, the computer device may be a computer terminal, a server or a similar computing device.
In the present embodiment, there is provided a computer-readable storage medium storing a computer program for executing any of the data storage methods described above.
In particular, computer-readable storage media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer-readable storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable storage medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
The embodiment of the invention realizes the following technical effects: the acquisition device is arranged, the detection data of each measuring device are acquired under the control of the unified clock, the space-time information labels at the acquisition time are added to the detection data of each measuring device, and then the detection data of each measuring device after the space-time information labels are added are packaged and output, so that the subsequent application of the detection data is facilitated. The acquisition of the detection data and the addition of the spatiotemporal information labels at the acquisition time are realized through the acquisition device, so that the detection data are marked by the spatiotemporal information labels in a unified clock when being acquired, and the correlation and alignment of each detection data on time information and space information can be realized through the spatiotemporal information labels subsequently, thereby being beneficial to improving the flexible controllability of the alignment of the detection data time sequence of each channel and improving the stability of system expansion; by using the acquisition device, the dependence on the QNX platform is avoided, and the problems of complexity, time-consuming modification and the like of the QNX platform are avoided.
It will be apparent to those skilled in the art that the modules or steps of the embodiments of the invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A track detection system data synchronization correlation acquisition device is characterized by comprising:
the measuring equipment is used for measuring various kinds of detection data required by the track detection system;
and the acquisition device is used for acquiring the detection data of each measuring device under the control of the unified clock, adding a time-space information label at the acquisition moment to the detection data of each measuring device, and packaging and outputting the detection data of each measuring device added with the time-space information label.
2. The track detection system data synchronization association acquisition device of claim 1, wherein the acquisition device comprises:
the photoelectric encoder is used for accumulating mileage output pulse number;
a microsecond counter for accumulating microsecond counts;
and the data processing module is used for taking the pulse count of the photoelectric encoder and the microsecond count of the microsecond counter as space-time information labels at the moment of acquiring the detection data of each measuring device, and adding the space-time information labels in the detection data of each measuring device.
3. The track detection system data synchronization association acquisition device of claim 1, wherein the acquisition device further comprises:
and the data output module is used for correspondingly setting a first-in first-out queue for each measuring device, storing the detection data of each measuring device added with the space-time information label into the corresponding first-in first-out queue, and packaging and outputting the detection data.
4. The track detection system data synchronization association acquisition device according to any one of claims 1 to 3, wherein the acquisition device further comprises:
and the serial port interface and/or the CAN interface are used for respectively acquiring the detection data of each measuring device under the control of the unified clock.
5. A synchronous associated data acquisition method for a track detection system is characterized by comprising the following steps:
measuring various detection data required by a track detection system;
and collecting all detection data under the control of a unified clock, adding a time-space information label of the collection time to all the detection data, and packaging and outputting all the detection data added with the time-space information label.
6. The data synchronous associated acquisition method of the orbit detection system according to claim 5, wherein the adding of the spatiotemporal information label of the acquisition time to each detection data comprises:
accumulating mileage to correspond to the output pulse number; accumulating microsecond counts; and taking the pulse count and the microsecond count as a time-space information label at the moment of collecting each detection data, and adding the time-space information label in each detection data.
7. The data synchronous associated acquisition method for track inspection system according to claim 5, wherein the acquisition of each inspection data under the control of the unified clock comprises:
and respectively collecting each detection data under the control of a unified clock through a serial port interface and/or a CAN interface.
8. The data synchronous correlation acquisition method for the track detection system according to any one of claims 5 to 7, wherein the step of packaging and outputting each detection data added with the spatiotemporal information tag comprises:
and correspondingly setting a first-in first-out queue for each detection data, storing each detection data added with the space-time information label into the corresponding first-in first-out queue, and packaging and outputting the detection data.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method for synchronous acquisition of data associated with a track detection system according to any one of claims 5 to 8 when executing the computer program.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program for executing the track detection system data synchronization association acquisition method of any one of claims 5 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110206582.9A CN113008178A (en) | 2021-02-24 | 2021-02-24 | Data synchronization association acquisition device, method, equipment and medium for track detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110206582.9A CN113008178A (en) | 2021-02-24 | 2021-02-24 | Data synchronization association acquisition device, method, equipment and medium for track detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113008178A true CN113008178A (en) | 2021-06-22 |
Family
ID=76385638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110206582.9A Pending CN113008178A (en) | 2021-02-24 | 2021-02-24 | Data synchronization association acquisition device, method, equipment and medium for track detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113008178A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114245A (en) * | 2022-01-27 | 2022-03-01 | 成都工航科技有限公司 | High-speed train positioning method and system |
| 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013228245A (en) * | 2012-04-25 | 2013-11-07 | Toshiba Corp | Vibration measuring system and vibration measuring method |
| CN106817184A (en) * | 2017-01-19 | 2017-06-09 | 重庆重邮汇测通信技术有限公司 | The method for synchronizing time and device of local clock and gps clock in network measure |
| CN108168918A (en) * | 2017-12-25 | 2018-06-15 | 中铁第四勘察设计院集团有限公司 | For the synchronization control system and method for track automatic measurement vehicle synchro measure |
| JP2019205060A (en) * | 2018-05-23 | 2019-11-28 | 日本電信電話株式会社 | Object tracking device, object tracking method, and object tracking program |
| CN110615017A (en) * | 2019-10-24 | 2019-12-27 | 上海应用技术大学 | Rail transit automatic detection system and method |
| CN110849359A (en) * | 2019-11-21 | 2020-02-28 | 中国船舶重工集团公司第七0七研究所 | Strapdown fiber-optic gyroscope inertial navigation system and internal timing sequence and external synchronization design method |
-
2021
- 2021-02-24 CN CN202110206582.9A patent/CN113008178A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013228245A (en) * | 2012-04-25 | 2013-11-07 | Toshiba Corp | Vibration measuring system and vibration measuring method |
| CN106817184A (en) * | 2017-01-19 | 2017-06-09 | 重庆重邮汇测通信技术有限公司 | The method for synchronizing time and device of local clock and gps clock in network measure |
| CN108168918A (en) * | 2017-12-25 | 2018-06-15 | 中铁第四勘察设计院集团有限公司 | For the synchronization control system and method for track automatic measurement vehicle synchro measure |
| JP2019205060A (en) * | 2018-05-23 | 2019-11-28 | 日本電信電話株式会社 | Object tracking device, object tracking method, and object tracking program |
| CN110615017A (en) * | 2019-10-24 | 2019-12-27 | 上海应用技术大学 | Rail transit automatic detection system and method |
| CN110849359A (en) * | 2019-11-21 | 2020-02-28 | 中国船舶重工集团公司第七0七研究所 | Strapdown fiber-optic gyroscope inertial navigation system and internal timing sequence and external synchronization design method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114114245A (en) * | 2022-01-27 | 2022-03-01 | 成都工航科技有限公司 | High-speed train positioning method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108168918B (en) | Synchronous automatic control system and method for synchronous measurement of automatic track measuring vehicle | |
| CN113008178A (en) | Data synchronization association acquisition device, method, equipment and medium for track detection system | |
| WO2021031604A1 (en) | Method and device for hardware time synchronization between multi-channel imus and cameras of bionic eye | |
| CN109922260B (en) | Data synchronization method and synchronization device for image sensor and inertial sensor | |
| EP3696577A1 (en) | Method and device for acquiring point cloud data in the absence of gnss signal | |
| CN109655055B (en) | Positioning method and device of rail inspection robot | |
| CN104270567A (en) | High-precision synchronous multi-channel image acquisition system and time synchronization method thereof | |
| CN106546238A (en) | Wearable device and the method that user's displacement is determined in wearable device | |
| CN108664841A (en) | A kind of sound state object recognition methods and device based on laser point cloud | |
| CN102736591A (en) | Distributed POS (Position and Orientation System) sub-IMU (Inertial Measurement Unit) synchronous data acquisition system | |
| CN108023658B (en) | High-precision clock synchronization time service method and device | |
| CN110996048A (en) | Remote visualization system and method for coal roadway heading machine | |
| CN102980589A (en) | Method and device for automatically computing vehicle pulse factor via GPS (global positioning system) speed | |
| CN109470244A (en) | Fiber strapdown inertial navigation system multi information synchronous and method based on FPGA | |
| CN115200609A (en) | Time mileage calibration system and method for high-speed comprehensive detection of train | |
| CN109367569B (en) | Detection data synchronous acquisition system and method for measuring geometrical parameters of track | |
| CN111766561A (en) | Unmanned aerial vehicle positioning method based on UWB technology | |
| CN110535551B (en) | Method and system for synchronizing fault recording sampling data in power system | |
| CN106301657B (en) | High time precision large space channel synchronization acquisition system | |
| CN105807084A (en) | Track geometric parameter detection synchronization and calculation method | |
| US8244431B2 (en) | Determining velocity using multiple sensors | |
| JP2015040016A (en) | Time series recording data analyzer | |
| CN102901517B (en) | Measurement system based on time synchronization for rocket sled test | |
| CN207248221U (en) | A kind of indicator table verification instrument data collecting system based on image identification | |
| CN115729743A (en) | Sensing system test data recharging device and method and readable storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |