CN108225311B - Track data acquisition system method and system for automatic track measuring vehicle - Google Patents
Track data acquisition system method and system for automatic track measuring vehicle Download PDFInfo
- Publication number
- CN108225311B CN108225311B CN201711420938.9A CN201711420938A CN108225311B CN 108225311 B CN108225311 B CN 108225311B CN 201711420938 A CN201711420938 A CN 201711420938A CN 108225311 B CN108225311 B CN 108225311B
- Authority
- CN
- China
- Prior art keywords
- data
- packet
- gps
- imu
- next step
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- G01C21/165—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 combined with non-inertial navigation instruments
-
- 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
- G01C21/005—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 with correlation of navigation data from several sources, e.g. map or contour matching
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
Abstract
The invention provides a track data acquisition method and a system for an automatic track measuring vehicle, wherein the method comprises the following steps: the processor receives IMU data and other sensor data transmitted by the IMU unit and GPS data transmitted by the GPS unit; the processor analyzes the data transmitted by the IMU unit and the GPS unit, and screens out accurate and effective data by judging the effectiveness of the data for multiple times; and the processor processes the analyzed data and outputs a data file according to the resolving requirement. According to the invention, data collected by each sensor on the detection trolley is transmitted from the sensor hardware layer to the data analysis software layer in real time, and the data processing software layer can judge the validity of the data for many times before processing the data, so that the accuracy of the collected data is effectively ensured, and a guarantee is provided for subsequent data analysis.
Description
Technical Field
The invention relates to the field of track coordinate data acquisition, in particular to a track data acquisition method and system for an automatic track measuring vehicle.
Background
Under the condition of high-speed operation, because the train runs at a high speed, higher requirements are put forward on the stability, safety and maintenance and repair of a track system, and particularly for the railway operation in China, on one hand, the track structure and the off-line foundation of the track structure are required to be maintained less or free of maintenance due to high line utilization rate, high traffic density and short skylight time; on the other hand, under the condition of high-speed operation, due to the coupling effect of factors such as train impact, fatigue effect, temperature effect, foundation settlement, material aging and the like, the track structure inevitably generates damage accumulation and load-bearing capacity degradation, once the damage occurs, the safe and stable operation of the train is influenced, and larger maintenance and repair workload is caused, so that great loss is caused, and the regular detection of data such as the precision of the railway track is a basic condition for ensuring the safe operation of the high-speed train.
In the process of detecting the railway track by the detection trolley, various data such as rail gauge, coordinates, mileage and the like can be generated, each data is independently collected and stored, particularly, when the data volume is increased, each data is staggered, and is disordered, and the data is not analyzed and processed in real time, so that the subsequent analysis result is deviated.
Disclosure of Invention
The invention aims to provide a track data acquisition method and system for an automatic track measuring vehicle, and aims to solve the problem that in the existing track data acquisition process, various data are staggered, and the data are not analyzed and processed in real time, so that the subsequent analysis result is deviated.
The invention is realized by the following steps:
the invention provides a track data acquisition method for an automatic track measuring vehicle, which comprises the following steps:
s1, the processor receives IMU data and other sensor data transmitted by the IMU unit and GPS data transmitted by the GPS unit;
s2, the processor analyzes the data transmitted by the IMU unit and the GPS unit, and screens out accurate and effective data by judging the effectiveness of the data for multiple times;
and S3, the processor processes the analyzed data and outputs a data file according to the resolving requirement.
Further, data of the IMU unit is transmitted to the processor in an IMU serial port mode, binary data of the GPS unit is transmitted to the processor in a seven-pin serial port mode, and text data of the GPS unit is transmitted to the processor in a UDP interface mode.
Further, the processor analyzing the data transmitted by the GPS unit specifically includes the following steps:
detecting whether the data is in a text data format or a hexadecimal format;
if the data is the text data, detecting whether the current packet is complete, if the data length is not enough, returning to continuously send an instruction to the GPS seven-pin serial port, if the data is complete, judging whether the data is log information or a data packet, if the data is the data packet, carrying out the next step, if the data is the log information, processing the log information, and returning to continuously detect whether the current packet is complete;
and judging whether the data packet is complete, if so, carrying out the next step, otherwise, detecting and processing the incomplete packet, and returning to continuously detect whether the current packet is complete.
Further, when the detection data is in the text data format or the hexadecimal format, if the detection data is in the hexadecimal format, the method further includes the following steps:
detecting the length of the current data packet, if the length of the data packet is enough, carrying out the next step, and if the length of the data packet is not enough, returning to continuously send an instruction to the GPS network port;
and checking the packet length and the content, if the packet is correct, carrying out the next step, if the packet is wrong, detecting and processing the wrong packet, and returning to continuously detect the current data packet length.
Further, the processing of the analyzed GPS data by the processor specifically includes:
and processing the GPS data, calculating the current message type, analyzing and processing, detecting the GPS state, and outputting a data file according to the resolving requirement.
Further, the analyzing of the data transmitted by the IMU unit by the processor specifically includes the following steps:
judging whether the packet length is larger than 39, if so, performing the next step, and if not, returning to continuously read the IMU serial port data;
searching the header mark to judge whether a header exists, if so, performing the next step, if not, performing detection prompting if the data is wrong, and returning to continue reading the serial port data;
judging whether the packet header mark is at the first position of a received packet, if so, carrying out the next step, if not, removing the first half packet, carrying out detection statistics, meanwhile, advancing the packet content, then judging whether the packet length is greater than 39, if so, carrying out the next step, and if not, returning to continuously read the serial port data;
calculating and copying the content of the first complete package, and moving the rest content forwards;
detecting the integrity of the packet, judging whether the packet is an integral packet, if so, carrying out the next step, and if not, detecting and counting half packets;
and judging whether the packet is a packet finished in one second, if so, carrying out the next step, and if not, temporarily storing the packet content.
Further, the processing, by the processor, of the parsed IMU data specifically includes:
counting the number of packets in one second, detecting the packet missing condition, calculating the time of each packet, analyzing each packet, re-outputting the packet content according to the resolving requirement, and emptying the temporary packet content storage area.
The invention also provides a track data acquisition system for the automatic track measuring vehicle, which comprises an IMU unit, a GPS unit and a processor, wherein the processor comprises an interface module, an analysis module and a processing module;
the interface module is used for receiving IMU data and other sensor data transmitted by the IMU unit and GPS data transmitted by the GPS unit;
the analysis module is used for analyzing the data transmitted by the IMU unit and the GPS unit, and screening out accurate and effective data by judging the effectiveness of the data for multiple times;
and the processing module is used for processing the analyzed data and outputting a data file according to the resolving requirement.
Furthermore, the IMU unit is provided with an IMU serial port, and the GPS unit is provided with a seven-pin serial port and a UDP interface.
Compared with the prior art, the invention has the following beneficial effects:
according to the track data acquisition method and system for the automatic track measuring vehicle, provided by the invention, data acquired by various sensors on the detection trolley are transmitted to the data analysis software layer from the sensor hardware layer in real time, and the data processing software layer can judge the validity of the data for multiple times before processing the data, so that the accuracy of the acquired data is effectively ensured, the subsequent data analysis is ensured, the real-time acquisition, the real-time transmission, the real-time processing and the real-time analysis of the data are further realized, and the rapid and reliable data acquisition is realized.
Drawings
Fig. 1 is a flowchart of a track data acquisition method for an automatic track measuring vehicle according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a specific process of receiving, analyzing and processing GPS data by the processor according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating an embodiment of a process of receiving, analyzing and processing IMU transmission data by a processor;
fig. 4 is a block diagram of a track data collection system for an automatic track measuring vehicle according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1, an embodiment of the present invention provides a track data acquisition method for an automatic track measuring vehicle, including the following steps:
s1, the processor receives IMU data and other sensor data transmitted by the IMU unit and GPS data transmitted by the GPS unit;
s2, the processor analyzes the data transmitted by the IMU unit and the GPS unit, and screens out accurate and effective data by judging the effectiveness of the data for multiple times;
and S3, the processor processes the analyzed data and outputs a data file according to the resolving requirement.
The IMU unit and the GPS unit are both installed on the detection trolley, various other sensors are further installed on the detection trolley and used for measuring various data on the track, the sensors comprise a track gauge sensor, a rotation sensor, a laser range finder and a video camera, the detection trolley is equivalent to a hardware layer for data acquisition, and acquisition software of the processor is equivalent to a processing layer for data.
Further, the IMU unit uses a high-bandwidth duplex interface to minimize the edge detection error of the synchronization signal, and the IMU unit is used for synchronizing the data collected by all the sensors. And finally, forming a data frame by the IMU data and other sensor data together, uploading the data frame to a processor through an interface of the IMU unit, and performing time stamping operation according to the time service data of the GPS.
IMU data and other sensor data of the IMU unit are transmitted to the processor in an IMU serial port mode, the IMU serial port comprises a common data interface and an image data interface, binary data of the GPS unit are transmitted to the processor in a seven-pin serial port mode, and text data of the GPS unit are transmitted to the processor in a UDP interface mode.
As shown in fig. 2, in the above method, the specific process of receiving, analyzing and processing the GPS data by the processor is as follows:
sending an instruction to the GPS seven-pin serial port and the GPS network port, and receiving data transmitted by the GPS seven-pin serial port and the GPS network port;
detecting whether the data is in a text data format or a hexadecimal format;
if the data is the text data, detecting whether the current packet is complete, if the data length is not enough, returning to continuously send an instruction to the GPS seven-pin serial port, if the data is complete, judging whether the data is log information or a data packet, if the data is the data packet, carrying out the next step, if the data is the log information, processing the log information, and returning to continuously detect whether the current packet is complete;
judging whether the data packet is complete, if so, carrying out the next step, otherwise, detecting and processing an incomplete packet, and returning to continuously detect whether the current packet is complete;
and processing the GPS data, calculating the current message type, analyzing and processing, detecting the GPS state, and outputting a data file according to the resolving requirement.
Further, when the detection data is in the text data format or the hexadecimal format, if the detection data is in the hexadecimal format, the method further includes the following steps:
detecting the length of the current data packet, if the length of the data packet is enough, carrying out the next step, and if the length of the data packet is not enough, returning to continuously send an instruction to the GPS network port;
checking the packet length and the content, if the packet is correct, performing the next step, if the packet is wrong, detecting and processing the wrong packet, and returning to continuously detect the current data packet length;
and processing the GPS data, calculating the current message type, analyzing and processing, detecting the GPS state, and outputting a data file according to the resolving requirement.
As shown in fig. 3, in the above method, the specific processes of receiving, analyzing and processing the IMU data and other sensor data by the processor are as follows:
reading IMU serial port data;
judging whether the packet length is larger than 39, if so, performing the next step, and if not, returning to continuously read the IMU serial port data;
searching the header mark to judge whether a header exists, if so, performing the next step, if not, performing detection prompting if the data is wrong, and returning to continue reading the serial port data;
judging whether the packet header mark is at the first position of a received packet, if so, carrying out the next step, if not, removing the first half packet, carrying out detection statistics, meanwhile, advancing the packet content, then judging whether the packet length is greater than 39, if so, carrying out the next step, and if not, returning to continuously read the serial port data;
calculating and copying the content of the first complete package, and moving the rest content forwards;
detecting the integrity of the packet, judging whether the packet is an integral packet, if so, carrying out the next step, and if not, detecting and counting half packets;
judging whether the packet is finished in one second, if so, carrying out the next step, and if not, temporarily storing the packet content;
processing the IMU data packets, firstly counting the number of packets in one second, detecting the packet missing condition, calculating the time of each packet, analyzing each packet, re-outputting the packet content according to the resolving requirement, and finally emptying a temporary packet content storage area.
The data calculation statistics obtained by the method comprises interface connection state prompt, interface data transmission efficiency graphic prompt, data content abnormity and the like, and is output to a software interface and a log file, the equipment state comprises equipment time, positioning, data frequency and whether the content is abnormal, abnormal data is counted, original data is output, all detection information is recorded in the software interface and the log file, and the data file specially used for recording error data is also provided.
Through the inspection and the correction of the acquired data, the data are finally acquired truly and effectively, the data result analysis is guaranteed, and the rapid and reliable data acquisition is realized.
Example 2:
as shown in fig. 4, an embodiment of the present invention further provides a track data acquisition system for an automatic track measuring vehicle, where the system is used to implement the above method, and the system includes an IMU unit, a GPS unit, and a processor, where the IMU unit and the GPS unit are installed on a measuring vehicle, the processor is located outside the measuring vehicle, and the processor includes an interface module, an analysis module, and a processing module;
the interface module is used for receiving IMU data and other sensor data transmitted by the IMU unit and GPS data transmitted by the GPS unit;
the analysis module is used for analyzing the data transmitted by the IMU unit and the GPS unit, and screening out accurate and effective data by judging the effectiveness of the data for multiple times;
and the processing module is used for processing the analyzed data and outputting a data file according to the resolving requirement.
Furthermore, the IMU unit is provided with an IMU serial port, and the GPS unit is provided with a seven-pin serial port and a UDP interface. IMU data and other sensor data of the IMU unit are transmitted to the processor in an IMU serial port mode, the IMU serial port comprises a common data interface and an image data interface, binary data of the GPS unit are transmitted to the processor in a seven-pin serial port mode, and text data of the GPS unit are transmitted to the processor in a UDP interface mode.
The IMU unit and the GPS unit are both installed on the detection trolley, various other sensors are further installed on the detection trolley and used for measuring various data on the track, the sensors comprise a track gauge sensor, a rotation sensor, a laser range finder and a video camera, the detection trolley is equivalent to a hardware layer for data acquisition, and acquisition software of the processor is equivalent to a processing layer for data.
Further, the IMU unit uses a high-bandwidth duplex interface to minimize the edge detection error of the synchronization signal, and the IMU unit is used for synchronizing the data collected by all the sensors. And finally, forming a data frame by the IMU data and other sensor data together, uploading the data frame to a processor through an interface of the IMU unit, and performing time stamping operation according to the time service data of the GPS.
As for the track data acquisition system for the automatic track measuring vehicle disclosed in embodiment 2 of the present invention, since it corresponds to the track data acquisition method for the automatic track measuring vehicle disclosed in embodiment 1, the description is relatively simple, and for the relevant similar points, please refer to the description of the track data acquisition method for the automatic track measuring vehicle in embodiment 1, and the detailed description is omitted here.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A track data acquisition method for an automatic track measuring vehicle is characterized by comprising the following steps:
s1, the processor receives the IMU data and the sensor data transmitted by the IMU unit and the GPS data transmitted by the GPS unit; the sensor comprises a track gauge sensor, a rotation sensor, a laser range finder and a video camera;
s2, the processor analyzes the data transmitted by the IMU unit and the GPS unit, and screens out accurate and effective data by judging the effectiveness of the data for multiple times;
s3, the processor processes the analyzed data and outputs a data file according to the resolving requirement;
the processor specifically analyzes the data transmitted by the GPS unit and comprises the following steps:
detecting whether the data is in a text data format or a hexadecimal format;
if the data is the text data, detecting whether the current packet is complete, if the data length is not enough, returning to continuously send an instruction to the GPS seven-pin serial port, if the data is complete, judging whether the data is log information or a data packet, if the data is the data packet, carrying out the next step, if the data is the log information, processing the log information, and returning to continuously detect whether the current packet is complete; judging whether the data packet is complete, if so, carrying out the next step, otherwise, detecting and processing an incomplete packet, and returning to continuously detect whether the current packet is complete;
if the data is hexadecimal data, the method further comprises the following steps:
detecting the length of the current data packet, if the length of the data packet is enough, carrying out the next step, and if the length of the data packet is not enough, returning to continuously send an instruction to the GPS network port; checking the packet length and the content, if the packet is correct, performing the next step, if the packet is wrong, detecting and processing the wrong packet, and returning to continuously detect the current data packet length;
the processing of the analyzed GPS data by the processor specifically includes: processing GPS data, calculating the current message type, analyzing and processing, detecting the GPS state, and outputting a data file according to the resolving requirement; the analyzing of the data transmitted by the IMU unit by the processor specifically comprises the following steps:
judging whether the packet length is larger than 39, if so, performing the next step, and if not, returning to continuously read the IMU serial port data; searching the header mark to judge whether a header exists, if so, performing the next step, if not, performing detection prompting if the data is wrong, and returning to continue reading the serial port data; judging whether the packet header mark is at the first position of a received packet, if so, carrying out the next step, if not, removing the first half packet, carrying out detection statistics, meanwhile, advancing the packet content, then judging whether the packet length is greater than 39, if so, carrying out the next step, and if not, returning to continuously read the serial port data; calculating and copying the content of the first complete package, and moving the rest content forwards; detecting the integrity of the packet, judging whether the packet is an integral packet, if so, carrying out the next step, and if not, detecting and counting half packets; judging whether the packet is finished in one second, if so, carrying out the next step, and if not, temporarily storing the packet content;
the processing of the parsed IMU data by the processor specifically includes: counting the number of packets in one second, detecting the packet missing condition, calculating the time of each packet, analyzing each packet, re-outputting the packet content according to the resolving requirement, and emptying the temporary packet content storage area.
2. A track data collection method for an automatic track measuring vehicle according to claim 1, wherein: the data of the IMU unit is transmitted to the processor in an IMU serial port mode, the binary data of the GPS unit is transmitted to the processor in a seven-pin serial port mode, and the text data of the GPS unit is transmitted to the processor in a UDP interface mode.
3. A track data acquisition system for an automatic track measuring vehicle, characterized by: the system comprises an IMU unit, a GPS unit and a processor, wherein the processor comprises an interface module, an analysis module and a processing module;
the interface module is used for receiving IMU data and sensor data transmitted by the IMU unit and GPS data transmitted by the GPS unit; the sensor comprises a track gauge sensor, a rotation sensor, a laser range finder and a video camera;
the analysis module is used for analyzing the data transmitted by the IMU unit and the GPS unit, and screening out accurate and effective data by judging the effectiveness of the data for multiple times;
the processing module is used for processing the analyzed data and outputting a data file according to the resolving requirement; the processor specifically analyzes the data transmitted by the GPS unit and comprises the following steps:
detecting whether the data is in a text data format or a hexadecimal format;
if the data is the text data, detecting whether the current packet is complete, if the data length is not enough, returning to continuously send an instruction to the GPS seven-pin serial port, if the data is complete, judging whether the data is log information or a data packet, if the data is the data packet, carrying out the next step, if the data is the log information, processing the log information, and returning to continuously detect whether the current packet is complete; judging whether the data packet is complete, if so, carrying out the next step, otherwise, detecting and processing an incomplete packet, and returning to continuously detect whether the current packet is complete;
if the data is hexadecimal data, the method further comprises the following steps:
detecting the length of the current data packet, if the length of the data packet is enough, carrying out the next step, and if the length of the data packet is not enough, returning to continuously send an instruction to the GPS network port; checking the packet length and the content, if the packet is correct, performing the next step, if the packet is wrong, detecting and processing the wrong packet, and returning to continuously detect the current data packet length;
the processing of the analyzed GPS data by the processor specifically includes: processing GPS data, calculating the current message type, analyzing and processing, detecting the GPS state, and outputting a data file according to the resolving requirement; the analyzing of the data transmitted by the IMU unit by the processor specifically comprises the following steps:
judging whether the packet length is larger than 39, if so, performing the next step, and if not, returning to continuously read the IMU serial port data; searching the header mark to judge whether a header exists, if so, performing the next step, if not, performing detection prompting if the data is wrong, and returning to continue reading the serial port data; judging whether the packet header mark is at the first position of a received packet, if so, carrying out the next step, if not, removing the first half packet, carrying out detection statistics, meanwhile, advancing the packet content, then judging whether the packet length is greater than 39, if so, carrying out the next step, and if not, returning to continuously read the serial port data; calculating and copying the content of the first complete package, and moving the rest content forwards; detecting the integrity of the packet, judging whether the packet is an integral packet, if so, carrying out the next step, and if not, detecting and counting half packets; judging whether the packet is finished in one second, if so, carrying out the next step, and if not, temporarily storing the packet content;
the processing of the parsed IMU data by the processor specifically includes: counting the number of packets in one second, detecting the packet missing condition, calculating the time of each packet, analyzing each packet, re-outputting the packet content according to the resolving requirement, and emptying the temporary packet content storage area.
4. A track data acquisition system for an automated track measuring vehicle according to claim 3, wherein: the IMU unit is provided with an IMU serial port, and the GPS unit is provided with a seven-pin serial port and a UDP interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711420938.9A CN108225311B (en) | 2017-12-25 | 2017-12-25 | Track data acquisition system method and system for automatic track measuring vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711420938.9A CN108225311B (en) | 2017-12-25 | 2017-12-25 | Track data acquisition system method and system for automatic track measuring vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108225311A CN108225311A (en) | 2018-06-29 |
| CN108225311B true CN108225311B (en) | 2020-09-08 |
Family
ID=62647938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711420938.9A Active CN108225311B (en) | 2017-12-25 | 2017-12-25 | Track data acquisition system method and system for automatic track measuring vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108225311B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109729278B (en) * | 2018-11-19 | 2020-12-25 | 魔门塔(苏州)科技有限公司 | Remote multi-sensor synchronous receiving device capable of setting transmission rate of each channel |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661327A (en) * | 2004-02-25 | 2005-08-31 | 厦门雅迅网络股份有限公司 | Car borne geo information collector |
| CN101170345B (en) * | 2007-11-30 | 2011-12-21 | 航天东方红卫星有限公司 | An unpacking method for satellite packet remote sensing data |
| CN100517148C (en) * | 2007-12-13 | 2009-07-22 | 上海交通大学 | Engineering machinery airborne teledata acquisition device and method |
| US8639426B2 (en) * | 2010-07-15 | 2014-01-28 | George C Dedes | GPS/IMU/video/radar absolute/relative positioning communication/computation sensor platform for automotive safety applications |
| CN102306194B (en) * | 2011-09-08 | 2013-05-22 | 北京掌城科技有限公司 | Methods for storing and querying GPS (global positioning system) data |
| CN103837130B (en) * | 2012-11-22 | 2016-04-20 | 香港理工大学 | For data processing method and the device of airborne lidar system |
| CN104507143A (en) * | 2014-12-22 | 2015-04-08 | 上海斐讯数据通信技术有限公司 | GPRS (general packet radio service) network and 3G (third generation telecommunication) network based data transmission method and data transmission system |
| CN105857340A (en) * | 2016-04-01 | 2016-08-17 | 郑君伟 | Track detecting system and method based on integrated navigation |
-
2017
- 2017-12-25 CN CN201711420938.9A patent/CN108225311B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| 车载组合导航系统中FPGA的设计车载组合导航系统中FPGA的设计;鲁克文;《中国优秀硕士学位论文全文数据库 信息科技辑》;20110915;第41-60页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108225311A (en) | 2018-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8509969B2 (en) | Automatic identification method and system for train information | |
| CN108801244B (en) | Positioning system and method suitable for track robot | |
| CN104424804B (en) | Single radar multilane Intelligent speed-measuring method and system thereof | |
| CN110758476B (en) | Train positioning method and system | |
| CN110745162A (en) | Train integrity checking method and system | |
| CN108225311B (en) | Track data acquisition system method and system for automatic track measuring vehicle | |
| CN107657682A (en) | A kind of power transformation method for inspecting based on augmented reality | |
| CN109005081B (en) | System and method for automatically detecting packet loss | |
| CN113895481B (en) | Train positioning and tracking management method, device and medium based on pattern recognition | |
| CN103407464A (en) | Electronic locomotive brake building equipment based on video image recognition | |
| JP4966779B2 (en) | Network delay measurement method and communication system | |
| CN201945294U (en) | Automatic detecting system for full face of line | |
| CN106201753A (en) | A kind of based on the processing method of PCIE mistake in linux and system | |
| CN112150851B (en) | Testing method and device for geomagnetic detector | |
| US20100050028A1 (en) | Network device and method for simultaneously calculating network throughput and packet error rate | |
| CN113301147B (en) | Partial discharge data processing system based on data transmission | |
| CN101882974A (en) | Method and system of real-time online detection of high-speed serial signals | |
| CN113390766B (en) | Tail gas emission detection method, device and equipment and storage medium | |
| CN110132256B (en) | Positioning system and method based on in-pipeline detector | |
| CN104333489B (en) | Detection method, apparatus and system to blank pipe supervision equipment | |
| CN109151858B (en) | Method for accurately geolocating monitoring data of railway special mobile communication interface | |
| CN111723116A (en) | Data backfill method, device and system | |
| TWI426470B (en) | Corner collision warning device | |
| CN107730705B (en) | Method, device, equipment and storage medium for starting and stopping data and continuous data acquisition | |
| CN111141742A (en) | Intelligent image detection system for leaky coaxial cable and working method thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |