CN116567583A - Vehicle-ground speed limit information transmission method, device, equipment, medium and program - Google Patents
Vehicle-ground speed limit information transmission method, device, equipment, medium and program Download PDFInfo
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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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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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- 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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Abstract
The invention relates to the field of speed limit information transmission, and discloses a vehicle-ground speed limit information transmission method, which comprises the following steps: generating a registration request corresponding to the locomotive number, sending the registration request to the data management control equipment in a Beidou short message mode, and generating a registration confirmation corresponding to the registration request; transmitting the registration confirmation to the vehicle-mounted control equipment, controlling the train to run according to the registration confirmation, and acquiring train position information of the train from the positioning transponder when the train runs near the positioning transponder; transmitting the train position information to data management control equipment, and generating temporary speed limit information according to the line speed limit information and the train position information; and sending the temporary speed limit information to the vehicle-mounted control equipment. The invention also provides a vehicle-ground speed limit information transmission device, equipment, medium and program. The invention can improve the stability of temporary speed limit information transmission.
Description
Technical Field
The present invention relates to the field of speed limiting information transmission technologies, and in particular, to a method, an apparatus, a device, a medium, and a program for transmitting speed limiting information in a vehicle and a ground.
Background
The temporary speed limit of the train-ground refers to a temporary speed limit set for a specific vehicle and a specific place or section in a railway system, which is a safety measure adopted to cope with some special situations, and the temporary speed limit information of the train-ground refers to the specific content of the temporary speed limit set for the specific vehicle and the specific place or section, and the temporary speed limit information of the train-ground needs to be transmitted between the train and a ground terminal in order to ensure the running safety of the train.
The existing vehicle-ground temporary speed limiting information transmission technology is mostly an information transmission method based on ground network coverage, such as a GSM-R wireless communication method or an LTE communication method. In practical application, the information transmission method based on the ground network coverage relies on ground network facilities, and under the condition of weak network or no network, the transmission efficiency of the temporary speed limit information of the vehicle and the ground is greatly reduced, which may result in poor stability when the temporary speed limit information of the vehicle and the ground is transmitted.
Disclosure of Invention
In view of the above problems, embodiments of the present invention provide a method, apparatus, device, medium, and program for transmitting speed limit information of a vehicle and a ground.
In a first aspect, an embodiment of the present invention provides a method for transmitting speed limit information of a vehicle and land, including:
Acquiring speed limit information sent by a temporary speed limit server by using data management control equipment, and carrying out information verification on the speed limit information to obtain line speed limit information;
acquiring a locomotive number of a train, generating a registration request corresponding to the locomotive number by utilizing vehicle-mounted control equipment of the train, sending the registration request to data management control equipment in a Beidou short message mode, and generating registration confirmation corresponding to the registration request according to the data management control equipment;
transmitting the registration confirmation to the vehicle-mounted control equipment in a Beidou short message mode, and controlling the train to run according to the registration confirmation, wherein when the train runs near a positioning transponder, the train position information of the train is acquired from the positioning transponder;
transmitting the train position information to the data management control equipment in a Beidou short message mode, and generating temporary speed limit information of the train according to the line speed limit information and the train position information by utilizing the data management control equipment;
and sending the temporary speed limiting information to the vehicle-mounted control equipment in a Beidou short message mode, and ending information transmission.
According to an embodiment of the present invention, the obtaining, by using a data management control device, speed limit information sent by a temporary speed limit server includes:
carrying out data compression and data encoding operation on the line speed limit information in the temporary speed limit server in sequence to obtain compression speed limit information;
respectively calculating a parity check item and a redundancy check item of the compression speed limit information;
after the parity check item and the redundancy check item are added to the compression speed limit information, speed limit information is obtained;
and sending the speed limit information to the data management equipment through the signal safety network.
According to an embodiment of the present invention, the generating, by using the on-board control device of the train, a registration request corresponding to the locomotive number includes:
extracting the equipment type from the locomotive number, and extracting the coding rule corresponding to the equipment type from the vehicle-mounted control equipment of the train;
sequentially adding a serial number and a version number to the locomotive number by using the vehicle-mounted control equipment according to the coding rule to obtain a registration number;
and extracting a registration protocol from the vehicle-mounted control equipment, and generating a registration request according to the registration protocol and the registration number.
According to an embodiment of the present invention, the sending the registration request to the data management control device by means of a beidou short message includes:
transmitting a registration request in the vehicle-mounted control equipment to a preset vehicle-mounted Beidou terminal in an Ethernet mode;
performing Beidou transcoding on the registration request by using the vehicle-mounted Beidou terminal to obtain a primary request code;
sequentially performing digital-analog modulation, channel coding and deviation compensation operation on the primary request code to obtain a standard request code;
transmitting the standard request code to a preset ground Beidou terminal by taking a Beidou satellite as an intermediary;
performing analog-digital demodulation, channel decoding and Beidou decoding operation on the standard request codes sequentially by using the ground Beidou terminal to obtain a registration request;
and transmitting the registration request in the ground Beidou terminal to the data management control equipment by using an RS485 mode.
According to an embodiment of the present invention, the generating, according to the data management control device, a registration acknowledgement corresponding to the registration request includes:
extracting a registration number from the registration request, and respectively extracting a locomotive number, a serial number and a version number from the registration number;
Carrying out version confirmation on the registration request according to the serial number and the version number to obtain a version result;
and carrying out validity judgment on the registration request according to the locomotive number to obtain a valid result, and generating registration confirmation according to the version result and the valid result.
According to an embodiment of the present invention, the generating, by the data management control device, temporary speed limit information of the train according to the line speed limit information and the train position information includes:
inquiring line segment information from the line speed limit information, and determining the speed limit section of the train according to the line segment information and the train position information;
and inquiring section speed limit information corresponding to the speed limit section from the line speed limit information to serve as temporary speed limit information of the train.
In a second aspect, an embodiment of the present invention provides a vehicle-ground speed limit information transmission device, which is characterized by including:
the information verification module is used for obtaining the speed limit information sent by the temporary speed limit server by using the data management control equipment, and carrying out information verification on the speed limit information to obtain line speed limit information;
the speed limiting registration module is used for acquiring the locomotive number of the train, generating a registration request corresponding to the locomotive number by utilizing vehicle-mounted control equipment of the train, sending the registration request to the data management control equipment in a Beidou short message mode, and generating a registration confirmation corresponding to the registration request according to the data management control equipment;
The train positioning module is used for sending the registration confirmation to the vehicle-mounted control equipment in a Beidou short message mode, controlling the train to run according to the registration confirmation, and acquiring train position information of the train from the positioning transponder when the train runs near the positioning transponder;
the information generation module is used for sending the train position information to the data management control equipment in a Beidou short message mode, and generating temporary speed limit information of the train according to the line speed limit information and the train position information by utilizing the data management control equipment;
the information transmission module is used for sending the temporary speed limit information to the vehicle-mounted control equipment in a Beidou short message mode and ending information transmission.
In a third aspect, an embodiment of the present invention provides an electronic device, including:
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to execute the instructions to implement a vehicle-to-ground speed limit information transmission method as described in the first aspect.
In a fourth aspect, an embodiment of the present invention provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a vehicle-to-ground speed limit information transmission method as described in the previous first aspect.
In a fifth aspect, an embodiment of the present invention provides a computer program, which when executed by a processor, implements a vehicle-ground speed limit information transmission method as described in the foregoing first aspect.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
according to the embodiment of the invention, the Beidou short message mode is utilized to transmit information, and the temporary speed limit information of the ground is transmitted to the vehicle-mounted end of the train, so that the problem that the train cannot receive the temporary speed limit information in the area with insufficient network coverage can be solved, the safe running of the train in the area without network coverage is ensured, and the mode does not need to construct complicated ground equipment, and the construction period and construction cost are greatly reduced. Therefore, the method, the device, the equipment and the medium for transmitting the vehicle-ground speed limit information can solve the problem of lower stability when the vehicle-ground temporary speed limit information is transmitted.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic diagram of equipment end connection of a vehicle-to-ground speed limit information transmission method according to an embodiment of the invention;
fig. 2 shows a signaling diagram of a vehicle-ground speed limit information transmission method according to a first embodiment of the present invention;
fig. 3 shows a method flowchart of a vehicle-ground speed limit information transmission method according to the first embodiment of the invention;
FIG. 4 is a diagram of a speed limit segment scenario in a positive line location transponder Balise1 of a first embodiment of the present invention;
FIG. 5 is a diagram showing a speed limit section scene in the case of a side line location transponder Balise1 according to one embodiment of the present invention;
FIG. 6 shows a speed limit segment scenario diagram for Balise2 for a positive line location transponder according to an embodiment of the present invention;
FIG. 7 is a functional block diagram showing a vehicle-ground speed limit information transmission device according to a second embodiment of the present invention;
fig. 8 shows a schematic diagram of a composition structure of an electronic device for implementing the method for transmitting speed limit information of a vehicle-ground according to the third embodiment of the present invention.
Detailed Description
The disclosure is further described below with reference to the embodiments shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
The invention provides a train-ground speed-limiting information transmission method, which uses Beidou short messages as an information transmission mode, reduces ground track side equipment, lowers cost, improves transportation efficiency and economic benefit, and shortens tracking interval time division.
Fig. 1 is a schematic diagram of connection between each device end of a vehicle-ground speed limit information transmission method according to an embodiment of the present invention.
The vehicle-mounted terminal comprises vehicle-mounted control equipment and a vehicle-mounted Beidou terminal; the ground equipment end comprises data management control equipment, a temporary speed limiting server and a ground Beidou terminal, wherein data transmission is carried out between the vehicle-mounted control equipment and the vehicle-mounted Beidou terminal through an Ethernet, data transmission is carried out between the ground Beidou terminal and the data management control equipment through RS485, the vehicle-mounted end carries out transmission of train position information and temporary speed limiting information between the vehicle-mounted end and the data management control equipment through Beidou satellite, and the temporary speed limiting server sends the temporary speed limiting information to the data management control equipment.
Fig. 2 is a data interaction diagram of a vehicle-ground speed limit information transmission method according to an embodiment of the present invention.
The vehicle-mounted control equipment acquires a locomotive number input by a driver, generates a registration request according to the locomotive number, sends the registration request to the data management control equipment by utilizing a short message mode of a Beidou satellite, performs registration verification according to the registration request, sends registration confirmation information to the vehicle-mounted control equipment by utilizing the short message mode of the Beidou satellite after the registration verification, and sends train position information to the data management control equipment by utilizing the short message mode of the Beidou satellite when a train passes over a positioning transponder, and generates temporary speed limit information according to the train position information.
Example 1
As shown in fig. 3, the invention provides a vehicle-ground speed limit information transmission method, which comprises the following steps:
s1, acquiring speed limit information sent by a temporary speed limit server by using data management control equipment, and carrying out information verification on the speed limit information to obtain line speed limit information.
In the embodiment of the invention, the data management control device can be a control device for controlling the operation of entering and exiting, stopping and exiting of the train according to the condition that the train is at a station, the temporary speed limiting server is a server for providing temporary speed limiting information in a train signal system, and if temporary speed limiting conditions such as engineering construction, station maintenance and the like need to limit the speed of the train in the running process of the train, the speed limiting information is sent to the train by the temporary speed limiting server, and the speed of the train is adjusted according to the speed limiting information after the speed limiting information is received by the train so as to ensure safe running of the train.
Specifically, the speed limiting information refers to line speed limiting information subjected to data verification operation, and in the transmission process of the line speed limiting information, in order to improve the accuracy of data, the data needs to be verified.
In detail, the line speed limit information refers to information such as speed limit sign information, railway section length information, railway section bending information and weather visibility on a railway line, and the railway speed limit information is used for controlling the running speed of a train on the railway and directly influences the running safety and the running efficiency of the train.
In the embodiment of the present invention, the obtaining, by using a data management control device, speed limit information sent by a temporary speed limit server includes:
carrying out data compression and data encoding operation on the line speed limit information in the temporary speed limit server in sequence to obtain compression speed limit information;
respectively calculating a parity check item and a redundancy check item of the compression speed limit information;
after the parity check item and the redundancy check item are added to the compression speed limit information, verification speed limit information is obtained;
and sending the speed limit information to the data management equipment through the signal safety network.
In detail, the line speed limit information in the temporary speed limit server can be subjected to data compression by utilizing a Gzip or Bzip2 compression algorithm, and the line speed limit information after data compression can be subjected to data encoding operation by utilizing an ASCII encoding or Unicode encoding method.
Specifically, the parity check term refers to the number of 1 s in binary system of the compression speed limit information, if the number is even, 0 is added at the end of the compression speed limit information, if the number is odd, 1 is added, the redundancy check term refers to the addition of a preset polynomial at the end of the compression speed limit information to obtain the redundancy speed limit information, the remainder obtained by dividing the redundancy speed limit information by the compression speed limit information is calculated, and the remainder is used as the redundancy check term.
In detail, the signal safety net refers to a set of network system in the railway signal system, which is responsible for ensuring the running safety of the train. The system mainly aims to collect and transmit information such as train position and speed, and process and analyze the information at the same time, so that the real-time monitoring and control of the train running state are realized, and the signal safety net can transmit signals through media such as optical fibers or cables.
In detail, the step of verifying the speed limit information to obtain line speed limit information includes:
respectively extracting a redundancy check item and a parity check item from the speed limit information;
performing redundancy check on the speed limit information by using the redundancy check item to obtain odd-even speed limit information;
performing parity check on the parity speed limit information by using the parity check item to obtain compression speed limit information;
and sequentially carrying out data decoding and data decompression operation on the compressed speed limit information to obtain line speed limit information.
In the embodiment of the present invention, the method for obtaining the compression speed limit information by performing redundancy check on the speed limit information by using the redundancy check term and performing parity check on the parity speed limit information by using the parity check term is consistent with the method for calculating the parity check term and the redundancy check term of the compression speed limit information in the step S1, and is not described herein.
In detail, the method for sequentially performing data decoding and data decompression on the compressed speed limit information to obtain the line speed limit information is a reverse step of the method for sequentially performing data compression and data encoding on the line speed limit information in the temporary speed limit server in the step S1 to obtain the compressed speed limit information, which is not described herein.
In the embodiment of the invention, the data management control equipment is utilized to acquire the speed limiting information sent by the temporary speed limiting server, and the speed limiting information is subjected to information verification to obtain the line speed limiting information, so that the data management control equipment can be ensured to receive complete and correct line speed limiting information, and the safe operation of a train is ensured.
S2, acquiring a locomotive number of a train, generating a registration request corresponding to the locomotive number by utilizing vehicle-mounted control equipment of the train, sending the registration request to data management control equipment in a Beidou short message mode, and generating registration confirmation corresponding to the registration request according to the data management control equipment.
In the embodiment of the invention, the locomotive number is a number for identifying a train and is usually composed of numbers and letters and is used for distinguishing different trains, the locomotive number is an important identification of the train and can be used for identifying the type, grade, number and other information of the train, the locomotive number is usually coded in a national standard coding mode, for example, a railway network of China railway head office, the locomotive number is composed of four parts, namely a model number, a vehicle type, a vehicle number and a train number, and is composed of 12 digits and letters in total, for example, CRH380A-0208.
In the embodiment of the invention, the obtaining the locomotive number of the train refers to obtaining the locomotive number input by a train driver, and the locomotive number of the train can be obtained by using an input () function or a read_csv () function.
In detail, the vehicle-mounted control device refers to various devices installed on a train for controlling the operation of the train, including a train controller, an electric power collecting device, a traction converter, a braking device, a fault monitoring system, a communication device, and the like, and the registration request refers to request information for performing train registration, and the train information can be added to the data management control device by performing the train registration, thereby facilitating speed limit management of the train.
In the embodiment of the present invention, the generating, by using the vehicle-mounted control device of the train, a registration request corresponding to the locomotive number includes:
extracting the equipment type from the locomotive number, and extracting the coding rule corresponding to the equipment type from the vehicle-mounted control equipment of the train;
sequentially adding a serial number and a version number to the locomotive number by using the vehicle-mounted control equipment according to the coding rule to obtain a registration number;
and extracting a registration protocol from the vehicle-mounted control equipment, and generating a registration request according to the registration protocol and the registration number.
In detail, the device type refers to the type of the device corresponding to the locomotive number, such as a train, a communication device and the like, the coding rule refers to a coding format and a coding specification, the serial number is a unique code for describing and identifying a product or article in a production or logistics link, the version number is a system version number of the vehicle-mounted control device, and the registration protocol is a specification and a protocol of the registration request, including a registration number, a protocol header, a timestamp, network information or other information and the like.
In detail, the sending the registration request to the data management control device by the Beidou short message includes:
transmitting a registration request in the vehicle-mounted control equipment to a preset vehicle-mounted Beidou terminal in an Ethernet mode;
performing Beidou transcoding on the registration request by using the vehicle-mounted Beidou terminal to obtain a primary request code;
sequentially performing digital-analog modulation, channel coding and deviation compensation operation on the primary request code to obtain a standard request code;
transmitting the standard request code to a preset ground Beidou terminal by taking a Beidou satellite as an intermediary;
performing analog-digital demodulation, channel decoding and Beidou decoding operation on the standard request codes sequentially by using the ground Beidou terminal to obtain a registration request;
And transmitting the registration request in the ground Beidou terminal to the data management control equipment by using an RS485 mode.
In detail, the vehicle-mounted Beidou terminal refers to a terminal which is arranged on a train and used for Beidou signal transmission, the Beidou transcoding comprises a PCM/FM code pattern, a BPSK/QPSK code pattern, an 8PSK code pattern and the like, the digital-analog modulation is used for converting digital signals into analog signals, the data transmission is convenient, the digital-analog modulation mode can be frequency modulation or phase modulation and the like, the channel coding mode can be error correction code coding such as convolutional codes or RS codes and the like, and the deviation compensation mode can be a load frequency deviation method, a frequency locking ring or a digital control oscillator.
Specifically, the ground Beidou terminal is an interruption for Beidou signal transmission installed at a ground station, and the method for obtaining the registration request includes steps of sequentially performing analog-digital demodulation, channel decoding and Beidou decoding on the standard request code by using the ground Beidou terminal, sequentially performing digital-analog modulation, channel coding and deviation compensation on the request code in the step S2 to obtain the standard request code, and performing Beidou transcoding on the registration request by using the vehicle-mounted Beidou terminal to obtain a primary request code.
In detail, the RS485 is a serial communication protocol and physical layer standard, the RS485 defines how to transmit data between different devices in a one-to-many multi-point connection, and the RS485 uses differential signal lines to transmit data, i.e. a group of data signal lines are divided into two lines, one line transmits a forward signal, the other line transmits a reverse signal, and the data is transmitted through a voltage difference between the two lines, so that the transmission mode can effectively resist electromagnetic interference and signal attenuation.
Specifically, the generating, according to the data management control device, a registration acknowledgement corresponding to the registration request includes:
extracting a registration number from the registration request, and respectively extracting a locomotive number, a serial number and a version number from the registration number;
carrying out version confirmation on the registration request according to the serial number and the version number to obtain a version result;
and carrying out validity judgment on the registration request according to the locomotive number to obtain a valid result, and generating registration confirmation according to the version result and the valid result.
In detail, the version confirmation refers to judging whether the serial number is repeated with the data management control device, whether the version number is in compliance, when the serial number is not repeated and the version number is in compliance, the version result is a compliance version, the validity judgment refers to judging whether the locomotive number is repeated with the data management control device, when the locomotive number is not repeated, the valid result is a valid car number, and the generation of the registration confirmation according to the version result and the valid result refers to that the version result is a compliance version and the valid result is a valid car number, and the registration confirmation result is successful registration.
In the embodiment of the invention, the vehicle-mounted control equipment of the train is utilized to generate the registration request corresponding to the locomotive number, and the registration request is sent to the data management control equipment in a Beidou short message mode, so that the train can be logged into the data management control system when the interval is not on the network or the communication quality is poor, thereby facilitating the speed limiting operation of the ground equipment terminal on the train, and the registration information can be fed back to the vehicle-mounted terminal by generating the registration confirmation corresponding to the registration request according to the data management control equipment, thereby ensuring that the train runs in a state of successful registration and further ensuring the running safety of the train.
And S3, sending the registration confirmation to the vehicle-mounted control equipment in a Beidou short message mode, controlling the train to run according to the registration confirmation, and acquiring train position information of the train from the positioning transponder when the train runs near the positioning transponder.
In the embodiment of the present invention, the sending the registration acknowledgement to the vehicle-mounted control device by the Beidou short message includes:
transmitting the registration confirmation in the ground control equipment to the ground Beidou terminal in an RS485 mode;
Performing Beidou transcoding on the registration confirmation by using the ground Beidou terminal to obtain a primary confirmation code;
sequentially performing digital-analog modulation, channel coding and deviation compensation operation on the primary acknowledgement code to obtain a standard acknowledgement code;
transmitting the standard confirmation code to a vehicle-mounted Beidou terminal by taking a Beidou satellite as an intermediary;
performing analog-digital demodulation, channel decoding and Beidou decoding operation on the standard confirmation codes sequentially by using the vehicle-mounted Beidou terminal to obtain registration confirmation;
and transmitting the registration confirmation in the vehicle-mounted Beidou terminal to the vehicle-mounted control equipment in an Ethernet mode.
In the embodiment of the present invention, the method for performing beidou transcoding on the registration confirmation by using the ground beidou terminal to obtain the primary confirmation code is consistent with the method for performing beidou transcoding on the registration request by using the vehicle-mounted beidou terminal in the above step S2 to obtain the primary request code, which is not described herein.
In detail, the method for sequentially performing the digital-analog modulation, the channel coding and the offset compensation operation on the primary acknowledgement code to obtain the standard acknowledgement code is consistent with the method for sequentially performing the digital-analog modulation, the channel coding and the offset compensation operation on the primary request code in the step S2 to obtain the standard request code, which is not repeated herein.
Specifically, the method for obtaining the registration confirmation by sequentially performing the operations of performing the analog-to-digital demodulation, the channel decoding and the beidou decoding on the standard confirmation code by using the vehicle-mounted beidou terminal is consistent with the method for obtaining the registration request by sequentially performing the operations of performing the analog-to-digital demodulation, the channel decoding and the beidou decoding on the standard request code by using the ground beidou terminal in the step S2, and is not repeated here.
Specifically, the control of the train to run according to the registration confirmation means that running control is performed when the registration confirmation is successful, the positioning transponder means a Balise system, balise is a train positioning system for accurately measuring the position and speed of the train on a railway, and the train position information means the real-time running position of the train and the railway line section where the train is located.
In the embodiment of the invention, the registration confirmation is sent to the vehicle-mounted control equipment in a Beidou short message mode, the train is controlled to run according to the registration confirmation, speed limit registration of the train can be realized under the condition of weak or no network in an interval, and when the train runs near a positioning transponder, the train position information of the train is acquired from the positioning transponder, so that the position information of the train can be mastered in real time, and the speed of the train is convenient to control.
And S4, sending the train position information to the data management control equipment in a Beidou short message mode, and generating temporary speed limit information of the train by utilizing the data management control equipment according to the line speed limit information and the train position information.
In the embodiment of the present invention, the method for sending the train position information to the data management control device by the manner of the beidou short message is consistent with the method for sending the registration request to the data management control device by the manner of the beidou short message in the above step S2, and will not be described herein.
In detail, the generating speed limit information of the temporary train by the data management control device according to the line speed limit information and the train position information includes:
inquiring line segment information from the line speed limit information, and determining the speed limit section of the train according to the line segment information and the train position information;
and inquiring section speed limit information corresponding to the speed limit section from the line speed limit information to serve as temporary speed limit information of the train.
And acquiring the real-time speed of the train, and generating temporary speed limiting information according to the real-time speed and the section speed limiting information.
Specifically, the determining the speed limit section of the train according to the line segment information and the train position information includes:
when the train is positioned on a positive line and passes through the positioning transponder Balise1, as shown in fig. 4, X to SN are side line areas, and the speed-limiting sections of the train are a and b;
when the train is going through a side line zone and through a positioning transponder Balise1, as shown in fig. 5, X to SN are side line zones, where zone a exists, zone b exists in jurisdiction; if the 4DG turnout position is four-fold, the data management control equipment takes a section a between the nearest transponders Balise1 to 4DG, through which the train passes, as a speed limiting section; if the 4DG is the inversion, the data management control equipment takes two sections a and b in the jurisdiction of the data management control equipment as speed limiting sections;
when the train is on the positive line and passes by the positioning transponder Balise2 only, as shown in fig. 6, X to SN are side line areas, a side line area exists in sections a, jurisdiction exists in sections b and c, and the data management control device takes the sections b and c between Balise2 and jurisdiction boundaries as speed limit areas.
In detail, the line segment information refers to a segment state of a railway line and position information of each segment, and the segment speed limit information refers to speed limit information of each railway line segment.
Specifically, the generation of the temporary speed limit information of the train according to the real-time speed and the section speed limit information refers to the generation of a speed limit value and duration time which need to be reduced when the real-time speed exceeds the section speed limit information.
In the embodiment of the invention, the train position information is sent to the data management control equipment in the form of the Beidou short message, the data management control equipment is utilized to generate the temporary speed limit information of the train according to the line speed limit information and the train position information, so that the data management control equipment can be ensured to grasp the running position of the train in real time, the position information of the train can be acquired in real time, and the speed limit information meeting the regulations is generated according to the position information, thereby ensuring the running safety of the train.
S5, sending the temporary speed limit information to the vehicle-mounted control equipment in a Beidou short message mode, and ending information transmission.
In the embodiment of the present invention, the method for sending the temporary speed limit information to the vehicle-mounted control device by the Beidou short message is consistent with the method for sending the registration acknowledgement to the vehicle-mounted control device by the Beidou short message in the step S3, which is not described herein.
In the embodiment of the invention, the temporary speed limiting information is sent to the vehicle-mounted control equipment in the form of the Beidou short message, and the temporary speed limiting information can be transmitted to the train when the information transmission is finished in the environments such as regional no-network or weak network, so that the train can be ensured to drive at a safe speed per hour in the section.
According to the embodiment of the invention, the data management control equipment is utilized to acquire the speed limit information sent by the temporary speed limit server, the data management control equipment is utilized to carry out information verification on the speed limit information, the data management control equipment can receive complete and correct line speed limit information, so that safe running of a train is guaranteed, the vehicle-mounted control equipment of the train is utilized to generate a registration request corresponding to the locomotive number, the registration request is sent to the data management control equipment in a Beidou short message mode, when a section is not provided with a network or has poor communication quality, the train can be logged in the data management control system, speed limit operation of the ground equipment terminal on the train is facilitated, registration information corresponding to the registration request is generated according to the data management control equipment, the vehicle-mounted terminal can be fed back to the registration information, running of the train is guaranteed in a successful state, running safety is guaranteed, the registration information is sent to the vehicle-mounted control equipment in a Beidou short message mode, running of the train is controlled according to the registration information, the train can be realized in a condition of being provided with a section being provided with a weak network or no network, and the train can be conveniently located in a position of the train when the train is provided with a train, and the vehicle-mounted position is controlled from the position of the train is convenient to obtain the vehicle-mounted information.
The method comprises the steps of sending the train position information to the data management control equipment in a Beidou short message mode, generating temporary speed limit information of the train by utilizing the data management control equipment according to the line speed limit information and the train position information, ensuring that the data management control equipment can master the running position of the train in real time, acquiring the position information of the train in real time, generating speed limit information meeting regulations according to the position information, ensuring the running safety of the train, sending the temporary speed limit information to the vehicle-mounted control equipment in a Beidou short message mode, and transmitting the temporary speed limit information to the train when the area is free of a network or weak network and the like after the information transmission is finished, so that the train can run at a safe speed per hour in an interval.
Example two
As shown in fig. 7, the present embodiment also provides a functional block diagram of the vehicle-ground speed limit information transmission device.
The vehicle-ground speed limit information transmission device 100 described in the present embodiment may be mounted in an electronic apparatus. Depending on the functions implemented, the train-ground speed limit information transmission device 100 may include an information verification module 101, a speed limit registration module 102, a train positioning module 103, an information generation module 104, and an information transmission module 105. The module of the invention, which may also be referred to as a unit, refers to a series of computer program segments, which are stored in the memory of the electronic device, capable of being executed by the processor of the electronic device and of performing a fixed function.
In the present embodiment, the functions concerning the respective modules/units are as follows:
the information verification module 101 is configured to obtain speed limit information sent by the temporary speed limit server by using a data management control device, and perform information verification on the speed limit information to obtain line speed limit information;
the speed limiting registration module 102 is configured to obtain a locomotive number of a train, generate a registration request corresponding to the locomotive number by using a vehicle-mounted control device of the train, send the registration request to the data management control device in a manner of a beidou short message, and generate a registration acknowledgement corresponding to the registration request according to the data management control device;
the train positioning module 103 is configured to send the registration confirmation to the vehicle-mounted control device in a manner of a beidou short message, control the train to travel according to the registration confirmation, and obtain train position information of the train from the positioning transponder when the train travels near the positioning transponder;
the information generating module 104 is configured to send the train position information to the data management control device in a manner of a beidou short message, and generate temporary speed limit information of the train according to the line speed limit information and the train position information by using the data management control device;
The information transmission module 105 is configured to send the temporary speed limit information to the vehicle-mounted control device in a manner of a beidou short message, and end information transmission.
In detail, each module in the vehicle-ground speed limit information transmission device 100 in the embodiment of the present invention adopts the same technical means as the vehicle-ground speed limit information transmission method in the first embodiment, and can produce the same technical effects, which are not described herein.
Example III
As shown in fig. 8, the present embodiment also provides a computer electronic device, which may include a processor 10, a memory 11, a communication bus 12, and a communication interface 13, and may further include a computer program, such as a vehicle-ground speed limit information transmission program, stored in the memory 11 and executable on the processor 10.
The processor 10 may be formed by an integrated circuit in some embodiments, for example, a single packaged integrated circuit, or may be formed by a plurality of integrated circuits packaged with the same function or different functions, including one or more central processing units (Central Processing unit, CPU), a microprocessor, a digital processing chip, a graphics processor, a combination of various control chips, and so on. The processor 10 is a Control Unit (Control Unit) of the electronic device, connects respective components of the entire electronic device using various interfaces and lines, executes various functions of the electronic device and processes data by running or executing programs or modules stored in the memory 11 (for example, executing a ground speed limit information transmission program, etc.), and recalls data stored in the memory 11.
The memory 11 includes at least one type of readable storage medium including flash memory, a removable hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a magnetic memory, a magnetic disk, an optical disk, etc. The memory 11 may in some embodiments be an internal storage unit of the electronic device, such as a mobile hard disk of the electronic device. The memory 11 may in other embodiments also be an external storage device of the electronic device, such as a plug-in mobile hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card) or the like, which are provided on the electronic device. Further, the memory 11 may also include both an internal storage unit and an external storage device of the electronic device. The memory 11 may be used not only for storing application software installed in an electronic device and various data such as codes of a speed limit information transmission program of a vehicle, but also for temporarily storing data that has been output or is to be output.
The communication bus 12 may be a peripheral component interconnect standard (peripheral component interconnect, PCI) bus, or an extended industry standard architecture (extended industry standard architecture, EISA) bus, among others. The bus may be classified as an address bus, a data bus, a control bus, etc. The bus is arranged to enable a connection communication between the memory 11 and at least one processor 10 etc.
The communication interface 13 is used for communication between the electronic device and other devices, including a network interface and a user interface. Optionally, the network interface may include a wired interface and/or a wireless interface (e.g., WI-FI interface, bluetooth interface, etc.), typically used to establish a communication connection between the electronic device and other electronic devices. The user interface may be a Display (Display), an input unit such as a Keyboard (Keyboard), or alternatively a standard wired interface, a wireless interface. Alternatively, in some embodiments, the display may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, an OLED (Organic Light-Emitting Diode) touch, or the like. The display may also be referred to as a display screen or display unit, as appropriate, for displaying information processed in the electronic device and for displaying a visual user interface.
Only an electronic device having components is shown, and it will be understood by those skilled in the art that the structures shown in the figures do not limit the electronic device, and may include fewer or more components than shown, or may combine certain components, or a different arrangement of components.
For example, although not shown, the electronic device may further include a power source (such as a battery) for supplying power to the respective components, and preferably, the power source may be logically connected to the at least one processor 10 through a power management device, so that functions of charge management, discharge management, power consumption management, and the like are implemented through the power management device. The power supply may also include one or more of any of a direct current or alternating current power supply, recharging device, power failure detection circuit, power converter or inverter, power status indicator, etc. The electronic device may further include various sensors, bluetooth modules, wi-Fi modules, etc., which are not described herein.
It should be understood that the embodiments described are for illustrative purposes only and are not limited to this configuration in the scope of the patent application.
The vehicle-to-ground speed limit information transmission program stored in the memory 11 of the electronic device is a combination of a plurality of instructions, and when running in the processor 10, it can be implemented that:
acquiring speed limit information sent by a temporary speed limit server by using data management control equipment, and carrying out information verification on the speed limit information to obtain line speed limit information;
acquiring a locomotive number of a train, generating a registration request corresponding to the locomotive number by utilizing vehicle-mounted control equipment of the train, sending the registration request to data management control equipment in a Beidou short message mode, and generating registration confirmation corresponding to the registration request according to the data management control equipment;
Transmitting the registration confirmation to the vehicle-mounted control equipment in a Beidou short message mode, and controlling the train to run according to the registration confirmation, wherein when the train runs near a positioning transponder, the train position information of the train is acquired from the positioning transponder;
transmitting the train position information to the data management control equipment in a Beidou short message mode, and generating temporary speed limit information of the train according to the line speed limit information and the train position information by utilizing the data management control equipment;
and sending the temporary speed limiting information to the vehicle-mounted control equipment in a Beidou short message mode, and ending information transmission.
In particular, the specific implementation method of the above instructions by the processor 10 may refer to the description of the relevant steps in the corresponding embodiment of the drawings, which is not repeated herein.
Further, the electronic device integrated modules/units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. The computer readable storage medium may be volatile or nonvolatile. For example, the computer readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM).
Example IV
The present embodiment provides a storage medium storing a computer program which, when executed by a processor, implements the steps of the vehicle-to-ground speed limit information transmission method as described above.
These program code may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows.
Storage media includes both permanent and non-permanent, removable and non-removable media, and information storage may be implemented by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media may 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, read only compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, 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.
Example five
An embodiment of the present invention provides a computer program, which when executed by a processor, implements the steps of a vehicle-ground speed limit information transmission method as described in the foregoing first aspect.
These computer readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks. These computer programs may also be stored in a computer readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer readable medium storing the computer program includes an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.
It is noted that the terms used herein are used merely to describe particular embodiments and are not intended to limit exemplary embodiments in accordance with the present application and when the terms "comprises" and/or "comprising" are used in this specification they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
In the several embodiments provided in the present invention, it should be understood that the disclosed apparatus, device and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical function division, and there may be other manners of division when actually implemented.
The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical units, may be located in one place, or may be distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional module in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units can be realized in a form of hardware or a form of hardware and a form of software functional modules.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claim concerned.
The embodiment of the application can acquire and process the related data based on the artificial intelligence technology. Among these, artificial intelligence (Artificial Intelligence, AI) is the theory, method, technique and application system that uses a digital computer or a digital computer-controlled machine to simulate, extend and extend human intelligence, sense the environment, acquire knowledge and use knowledge to obtain optimal results.
Furthermore, it is evident that the word "comprising" does not exclude other elements or steps, and that the singular does not exclude a plurality. A plurality of units or means recited in the system claims can also be implemented by means of software or hardware by means of one unit or means. The terms first, second, etc. are used to denote a name, but not any particular order.
Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. The vehicle-ground speed limit information transmission method is characterized by comprising the following steps of:
acquiring speed limit information sent by a temporary speed limit server by using data management control equipment, and carrying out information verification on the speed limit information to obtain line speed limit information;
acquiring a locomotive number of a train, generating a registration request corresponding to the locomotive number by utilizing vehicle-mounted control equipment of the train, sending the registration request to data management control equipment in a Beidou short message mode, and generating registration confirmation corresponding to the registration request according to the data management control equipment;
transmitting the registration confirmation to the vehicle-mounted control equipment in a Beidou short message mode, and controlling the train to run according to the registration confirmation, wherein when the train runs near a positioning transponder, the train position information of the train is acquired from the positioning transponder;
Transmitting the train position information to the data management control equipment in a Beidou short message mode, and generating temporary speed limit information of the train according to the line speed limit information and the train position information by utilizing the data management control equipment;
and sending the temporary speed limiting information to the vehicle-mounted control equipment in a Beidou short message mode, and ending information transmission.
2. The vehicle-to-ground speed limit information transmission method according to claim 1, wherein the acquiring speed limit information transmitted by the temporary speed limit server by the data management control device includes:
carrying out data compression and data encoding operation on the line speed limit information in the temporary speed limit server in sequence to obtain compression speed limit information;
respectively calculating a parity check item and a redundancy check item of the compression speed limit information;
after the parity check item and the redundancy check item are added to the compression speed limit information, speed limit information is obtained;
and sending the speed limit information to the data management equipment through the signal safety network.
3. The train-ground speed limit information transmission method according to claim 1, wherein the generating a registration request corresponding to the locomotive number by the on-board control device of the train comprises:
Extracting the equipment type from the locomotive number, and extracting the coding rule corresponding to the equipment type from the vehicle-mounted control equipment of the train;
sequentially adding a serial number and a version number to the locomotive number by using the vehicle-mounted control equipment according to the coding rule to obtain a registration number;
and extracting a registration protocol from the vehicle-mounted control equipment, and generating a registration request according to the registration protocol and the registration number.
4. The vehicle-ground speed limit information transmission method according to claim 1, wherein the sending the registration request to the data management control device by means of the beidou short message includes:
transmitting a registration request in the vehicle-mounted control equipment to a preset vehicle-mounted Beidou terminal in an Ethernet mode;
performing Beidou transcoding on the registration request by using the vehicle-mounted Beidou terminal to obtain a primary request code;
sequentially performing digital-analog modulation, channel coding and deviation compensation operation on the primary request code to obtain a standard request code;
transmitting the standard request code to a preset ground Beidou terminal by taking a Beidou satellite as an intermediary;
performing analog-digital demodulation, channel decoding and Beidou decoding operation on the standard request codes sequentially by using the ground Beidou terminal to obtain a registration request;
And transmitting the registration request in the ground Beidou terminal to the data management control equipment by using an RS485 mode.
5. The vehicle-ground speed limit information transmission method according to claim 1, wherein the generating of the registration confirmation corresponding to the registration request according to the data management control apparatus includes:
extracting a registration number from the registration request, and respectively extracting a locomotive number, a serial number and a version number from the registration number;
carrying out version confirmation on the registration request according to the serial number and the version number to obtain a version result;
and carrying out validity judgment on the registration request according to the locomotive number to obtain a valid result, and generating registration confirmation according to the version result and the valid result.
6. The train-ground speed limit information transmission method according to claim 1, wherein the generating temporary speed limit information of the train from the line speed limit information and the train position information by the data management control device includes:
inquiring line segment information from the line speed limit information, and determining the speed limit section of the train according to the line segment information and the train position information;
And inquiring section speed limit information corresponding to the speed limit section from the line speed limit information to serve as temporary speed limit information of the train.
7. A vehicle-to-ground speed limit information transmission device, characterized in that the device comprises:
the information verification module is used for obtaining the speed limit information sent by the temporary speed limit server by using the data management control equipment, and carrying out information verification on the speed limit information to obtain line speed limit information;
the speed limiting registration module is used for acquiring the locomotive number of the train, generating a registration request corresponding to the locomotive number by utilizing vehicle-mounted control equipment of the train, sending the registration request to the data management control equipment in a Beidou short message mode, and generating a registration confirmation corresponding to the registration request according to the data management control equipment;
the train positioning module is used for sending the registration confirmation to the vehicle-mounted control equipment in a Beidou short message mode, controlling the train to run according to the registration confirmation, and acquiring train position information of the train from the positioning transponder when the train runs near the positioning transponder;
the information generation module is used for sending the train position information to the data management control equipment in a Beidou short message mode, and generating temporary speed limit information of the train according to the line speed limit information and the train position information by utilizing the data management control equipment;
The information transmission module is used for sending the temporary speed limit information to the vehicle-mounted control equipment in a Beidou short message mode and ending information transmission.
8. An electronic device, comprising:
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to execute the instructions to implement the vehicle-to-ground speed limit information transmission method of any one of claims 1 to 6.
9. A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, implements the vehicle-ground speed limit information transmission method according to any one of claims 1 to 6.
10. A computer program which, when executed by a processor, implements the vehicle-to-ground speed limit information transmission method according to any one of claims 1 to 6.
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| CN202310671848.6A CN116567583A (en) | 2023-06-07 | 2023-06-07 | Vehicle-ground speed limit information transmission method, device, equipment, medium and program |
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| CN202310671848.6A CN116567583A (en) | 2023-06-07 | 2023-06-07 | Vehicle-ground speed limit information transmission method, device, equipment, medium and program |
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