CN112738766B - Driving data real-time receiving and sending method and device for ITCS (integrated circuit switching) vehicle-mounted equipment - Google Patents
Driving data real-time receiving and sending method and device for ITCS (integrated circuit switching) vehicle-mounted equipment Download PDFInfo
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- CN112738766B CN112738766B CN202011536087.6A CN202011536087A CN112738766B CN 112738766 B CN112738766 B CN 112738766B CN 202011536087 A CN202011536087 A CN 202011536087A CN 112738766 B CN112738766 B CN 112738766B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/42—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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Abstract
The invention relates to a method and a device for receiving and sending driving data of ITCS vehicle-mounted equipment in real time, wherein the method comprises the following steps: the driving data real-time receiving and sending equipment DRSU communicates with the OBC, receives driving data of the OBC, analyzes and compresses the data, sends processed data packets to the ground server, and the ground server analyzes the data by using a graphical analysis tool. Compared with the prior art, the method has the advantages of being high in timeliness, saving labor cost and the like.
Description
Technical Field
The invention relates to an enhanced train operation control system (ITCS), in particular to a method and a device for receiving and sending driving data of ITCS vehicle-mounted equipment in real time.
Background
An enhanced train operation control system (ITCS) is an advanced train operation control system used in the skyline glade section. The system is a signal control system based on satellite positioning and train-ground wireless communication technology, adopts virtual fixed block technology, realizes mixed running of passenger trains, freight trains and trains with different speed grades on the premise of ensuring driving safety, and effectively improves the transport capacity. The vehicle-mounted equipment in the ITCS system used in the Qinghai-Tibet line Gela section comprises an OBC, a CMU, an EMRM and the like, and the reliability and the stability of the vehicle-mounted equipment can directly influence the transmission reliability of train control information of the ITCS system, influence the train operation efficiency and bring hidden danger to the train operation safety. Along with the increase of ITCS vehicles and the improvement of vehicle speed, the method puts forward more strict requirements on the reliability and stability of the vehicle-mounted equipment, and simultaneously puts forward higher requirements on efficiently analyzing the data of the vehicle-mounted equipment and quickly finding out and solving the problems of the vehicle-mounted equipment.
With the great investment of new technologies and new equipment for railway transportation, the operation management is intensively developed in the aspects of system management, process monitoring, data analysis and the like in the forward direction of integration, informatization, visualization and intellectualization, and the real-time and rapid acquisition, transmission, processing and analysis of information become the main characteristics of the current railway operation management.
The vehicle-mounted computer OBC of the ITCS system can continuously send driving data from the serial port, and because the data are various in types and complex in content, only manual analysis is performed at present, so that the labor cost is greatly increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a driving data real-time receiving and sending method and device for ITCS vehicle-mounted equipment.
The purpose of the invention can be realized by the following technical scheme:
according to one aspect of the invention, a driving data real-time receiving and sending method for ITCS vehicle-mounted equipment is provided, and the method comprises the following steps: the driving data real-time receiving and sending equipment DRSU communicates with the OBC, receives driving data of the OBC, analyzes and compresses the data, sends processed data packets to the ground server, and the ground server analyzes the data by using a graphical analysis tool.
As the preferable technical scheme, the driving data real-time receiving and sending equipment DRSU is connected with the OBC through a serial port.
As a preferred technical scheme, the driving data real-time receiving and sending device DRSU is connected with a ground server through a mobile communication network.
As a preferred technical scheme, the mobile communication network is a GSM-R or 5G network.
As a preferred technical solution, the method specifically comprises the following steps:
1) Starting driving data real-time receiving and sending equipment DRSU when the locomotive is started, and ensuring normal antenna connection;
2) The DRSU starts to receive serial port data of the OBC, and analyzes and processes the driving data received every second to form a data packet;
3) The power supply information of the DRSU can be synchronously updated into a data packet and is sent to a ground server, and meanwhile, an operation log is generated and program operation information, error information and power supply information are recorded;
4) The DRSU judges the warehousing state of the train, updates the warehousing state into a data packet and sends the data packet to the ground server, so that the ground server can change the operation logic in real time conveniently.
As a preferred technical scheme, if the information of the state class has new data within 10s, the data variable is updated, otherwise, the previous data volume is continued.
As a preferred technical solution, the structure of the data packet is as follows:
| name (R) | Serial number | Vehicle information | System reference clock | Including detailed data pieces | Detailed data |
| Number of bytes | 1byte | 8byte | 6byte | 1byte | Indefinite article |
Preferably, the detailed data includes time, vehicle position information, target type, speed information, current zone information, train state information, and power supply information.
As an optimal technical scheme, serial port data information generated by a local power supply module is added in the real-time data, and the running state of the equipment is also detected in real time while the OBC serial port information is transmitted.
According to another aspect of the invention, the device for the real-time driving data receiving and sending method for the ITCS vehicle-mounted equipment is provided and is respectively connected with the OBC and the ground server, the device comprises driving data real-time receiving and sending equipment, the driving data real-time receiving and sending equipment comprises a data acquisition module, a data processing module and a data output module which are sequentially connected, the data acquisition module is connected with an OBC data downloading interface of the OBC, and the data output module is connected with the ground server through a mobile communication network.
Compared with the prior art, the invention has the following advantages:
1. the scheme performs real-time receiving and sending operations and has stronger timeliness;
2. the DRSU can be operated only by connecting the OBC without modification, and the engineering implementation is simple;
3. locomotive personnel do not need to get on the train to obtain driving data, so that labor cost is saved;
4. communicating with a ground server to realize data visualization;
5. the equipment is completely and automatically operated, so that human errors are avoided;
6. the safety is extremely high, serial port data information generated by a local power supply module is added to real-time data, and the running state of equipment can be detected in real time while OBC serial port information is transmitted;
7. the operation is very convenient, the serial port data can include the warehousing state of the train at the same time, the warehousing state is judged by the logic of the equipment program, the data is updated into a data packet in real time and is sent to the ground server, and the ground server program can change the operation logic according to the warehousing state;
8. the tracing is more convenient, the running log of the machine can be automatically generated during running, and the log content comprises the power supply detection of equipment running, the program running log and the triggered running error information.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the in-vehicle apparatus 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 some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
In order to further improve the running safety of the train and enhance the equipment fault prevention and handling capacity, the invention realizes that the vehicle-mounted data acquisition and transmission equipment acquires real-time vehicle-mounted data and transmits the real-time vehicle-mounted data to the ground server, and the server analyzes the data by using a graphical analysis tool.
As shown in fig. 1, the device of the present invention is connected to an OBC and a ground server, respectively, and the device includes a driving data real-time receiving and sending device, which includes a data acquisition module, a data processing module and a data output module connected in sequence, wherein the data acquisition module is connected to an OBC data download interface of the OBC, and the data output module is connected to the ground server through a mobile communication network.
The invention relates to a method for processing and transmitting real-time driving data transmitted by an OBC serial port received by a DRSU during the driving of a locomotive, which comprises the following steps:
1) Starting the vehicle-mounted equipment when the locomotive is started to ensure that the antenna connection is normal;
2) The DRSU starts to receive OBC serial port data, analyzes and processes the driving data received every second to form a data packet, if the state information has new data within 10s, the data variable is updated, otherwise, the previous data volume is continued;
3) And the power supply information of the DRSU can be synchronously updated into the data packet and is sent to the ground server, and meanwhile, an operation log is generated and program operation information, error information and power supply information are recorded.
4) The DRSU judges the warehousing state of the train, updates the warehousing state into a data packet, and sends the data packet to the ground server, so that the ground server can change the operation logic in real time.
The structure of the data packet is as follows:
| name(s) | Serial number | Vehicle information | System reference clock | Including detailed data pieces | Detailed data |
| Number of bytes | 1byte | 8byte | 6byte | 1byte | Indefinite article |
The detailed information includes: time, vehicle location information, target type, speed information, current sector information, train status information, power information, and the like.
The DRSU is internally provided with a 4G module, a data packet is sent to a ground server through a GSM-R (4G) network, and after the ground server receives the data packet of the DRSU, the driving information of the locomotive can be displayed on a webpage end through a graphical tool;
the device of the invention has the following characteristics:
1) Carrying out network communication by adopting GSM-R (4G);
2) The vehicle-mounted host integrates a power module, a button, a 4G module, an antenna module, a network port, a serial port and the like;
3) Obtaining the running information of the locomotive through an OBC device connected with an ITCS;
4) Analyzing and packaging the driving information acquired by the OBC;
5) Under the condition of power failure, the power module can also supply power to enable the host to continuously run for a period of time, so that abnormal loss of data is avoided.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
1) The vehicle-mounted equipment DRSU is at NJ 2 And a No. 019 train is loaded, is connected to a vehicle-mounted host OBC, is provided with each antenna and is started.
2) The train is ready to be taken out of the warehouse, the driver starts the departure test and the integrity test, and the DRSU receives the real-time test data and sends the real-time test data to the ground server.
3) The train is dispatched, the OBC generates real-time driving data, the DRSU repackages the received driving data, and the ground server can observe the running state of the train in real time.
4) And (3) performing warehousing operation after the train arrives at the station, performing integrity test by a driver, inputting the train number of 00000 by the driver during the integrity test, and sending warehousing state information of the train to the ground server by the DRSU.
The invention is already applied to the company, and experimental verification is carried out in a laboratory and a gelmu locomotive crew department, so that the invention proves that the invention can completely meet the network security requirement of the locomotive crew department and has good implementability and economic benefit.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A driving data real-time receiving and sending method for ITCS vehicle-mounted equipment is characterized by comprising the following steps: the driving data real-time receiving and sending equipment DRSU is communicated with the OBC, receives the driving data of the OBC, analyzes and compresses the data, and sends a processed data packet to a ground server, wherein the ground server analyzes the data by using a graphical analysis tool, and the OBC is an on-board computer of the ITCS system;
the method specifically comprises the following steps:
1) Starting driving data real-time receiving and sending equipment DRSU when the locomotive is started, and ensuring normal antenna connection;
2) The DRSU starts to receive serial port data of the OBC, and analyzes and processes the driving data received every second to form a data packet;
3) The power supply information of the DRSU can be synchronously updated into a data packet and sent to a ground server, and meanwhile, an operation log is generated, and program operation information, error information and power supply information are recorded;
4) The DRSU judges the warehousing state of the train, updates the warehousing state into a data packet, and sends the data packet to the ground server, so that the ground server can change the operation logic in real time;
for the information of the state class, if there is new data within 10s, the data variable is updated, otherwise the previous data amount is continued.
2. The method for receiving and sending the driving data of the ITCS vehicle-mounted equipment according to claim 1, wherein the driving data real-time receiving and sending equipment DRSU is connected with the OBC through a serial port.
3. The method for receiving and sending driving data of the ITCS vehicle-mounted device in real time as claimed in claim 1, wherein the driving data real-time receiving and sending device DRSU is connected to a ground server through a mobile communication network.
4. The method for receiving and sending driving data of the ITCS vehicle-mounted equipment in real time according to claim 3, wherein the mobile communication network is a GSM-R or 5G network.
5. The method for receiving and transmitting the driving data of the ITCS vehicle-mounted equipment in real time according to claim 1, wherein the data packet has the following structure:
。
6. The method for receiving and transmitting driving data of the ITCS vehicle-mounted equipment in real time as claimed in claim 1, wherein the detailed data comprises time, vehicle position information, object type, speed information, current section information, train state information and power supply information.
7. The method for receiving and sending the driving data of the ITCS vehicle-mounted equipment according to claim 1, wherein serial port data information generated by a local power module is added to the real-time data, and the running state of the equipment is detected in real time while the OBC serial port information is transmitted.
8. The device for the real-time driving data receiving and sending method of the ITCS vehicle-mounted equipment is used as claimed in claim 1, and is respectively connected with an OBC and a ground server, and is characterized by comprising driving data real-time receiving and sending equipment, wherein the driving data real-time receiving and sending equipment comprises a data acquisition module, a data processing module and a data output module which are sequentially connected, the data acquisition module is connected with an OBC data downloading interface of the OBC, and the data output module is connected with the ground server through a mobile communication network.
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| CN202011536087.6A CN112738766B (en) | 2020-12-23 | 2020-12-23 | Driving data real-time receiving and sending method and device for ITCS (integrated circuit switching) vehicle-mounted equipment |
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| CN202011536087.6A CN112738766B (en) | 2020-12-23 | 2020-12-23 | Driving data real-time receiving and sending method and device for ITCS (integrated circuit switching) vehicle-mounted equipment |
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| CN112738766B true CN112738766B (en) | 2023-01-06 |
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| JP7152299B2 (en) * | 2018-12-25 | 2022-10-12 | 矢崎エナジーシステム株式会社 | Analysis system and server device |
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| CN107547611A (en) * | 2016-06-28 | 2018-01-05 | 河南蓝信科技股份有限公司 | Cab integrated radio communication dynamic monitoring method and its system |
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