CN117320019A - Security verification method, equipment and medium for manual vehicle plan mobile authorization - Google Patents

Security verification method, equipment and medium for manual vehicle plan mobile authorization Download PDF

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Publication number
CN117320019A
CN117320019A CN202311110802.3A CN202311110802A CN117320019A CN 117320019 A CN117320019 A CN 117320019A CN 202311110802 A CN202311110802 A CN 202311110802A CN 117320019 A CN117320019 A CN 117320019A
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CN
China
Prior art keywords
authorization
area
manual
verifying
established
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311110802.3A
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Chinese (zh)
Inventor
王自强
职文超
姚鑫
吕新军
刘建邦
江奕飞
王立俊
余东海
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Casco Signal Ltd
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Casco Signal Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Casco Signal Ltd filed Critical Casco Signal Ltd
Priority to CN202311110802.3A priority Critical patent/CN117320019A/en
Publication of CN117320019A publication Critical patent/CN117320019A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/60—Context-dependent security
    • H04W12/63—Location-dependent; Proximity-dependent
    • H04W12/64—Location-dependent; Proximity-dependent using geofenced areas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • 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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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

The invention relates to a safety verification method, equipment and medium for manual vehicle plan mobile authorization, wherein the method comprises the following steps: step S1, establishing a desired manual movement authorization area; step S2, verifying the resource occupation state in the authorized area established in the step S1; step S3, verifying the activation state of the dynamic region in the authorization zone established in the step S1; step S4, verifying the state of the manual mobile authorization terminal signal machine established in the step S1; s5, constructing a manual movement plan authorization area; and S6, verifying the validity period and the regional range of the historical manual dispatching safety protection region plan. Compared with the prior art, the invention has the advantages of high completeness, high safety, high timeliness and the like.

Description

Security verification method, equipment and medium for manual vehicle plan mobile authorization
Technical Field
The invention relates to a rail transit signal control system, in particular to a safety verification method, equipment and medium for manual vehicle plan movement authorization.
Background
In a new generation of urban rail transit vehicle communication signal system TACS, a WTC subsystem is a spare trackside train controller in a degradation mode, and the operation mode is that a driver carries out driving as a main driving depending on a trackside signal machine state instruction. The traffic signal is used as a key authorized resource in a manual mode, the WTC subsystem obtains a passing authorization process, firstly, a trackside train controller WTC needs to construct a desired manual movement authorized area according to a task issued by scheduling, the WRC applies resources in the manual movement authorized area to the trackside resource controller WRC based on a desired operation range, the WRC considers the operation under a multi-train scene according to the conditions of resource occupation, dynamic area activation and the like on a line, the WRC authorizes the transmission resource to the trackside train controller WTC under the condition of meeting the condition of no resource occupation conflict and collision risk, the WTC establishes a manual movement plan authorized area according to the obtained legal authorization, the construction of a safe operation protection area is completed, a signal lamp in the open authorized area is further applied, a driver adjusts driving according to a signal lamp state instruction, and the driver stops before driving to an authorized end-point red light signal machine. The above-mentioned can be seen that establishing the planned movement authorized area and constructing the safe operation protection area is an important and critical ring in the whole manual driving process, and how to verify the safety of the planned movement authorized area more completely, ensure the reliability of resources in the driving area, and is always the topic of important attention in the field of vehicle-to-vehicle communication signal control.
The retrieved China patent publication No. CN113044085A discloses a train control method based on mobile authorization verification, and specifically discloses that the vehicle-mounted equipment compares the running permission sent by the ground track side equipment with the running permission calculated by the vehicle-mounted equipment, and outputs the strictest running permission. However, the prior art does not relate to safety verification of manual mobile authorization calculation, so that the manual mobile authorization application and the obtained availability and safety in a degradation mode of vehicle-to-vehicle communication are supplemented, and after the controller is switched, the trackside train controller agent applies for resources, so that driving safety is ensured, and the efficiency and the level of line operation in the degradation mode are improved, and become technical problems to be solved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a high-completeness, high-safety and high-timeliness safety verification method, equipment and medium for manual vehicle plan movement authorization.
The aim of the invention can be achieved by the following technical scheme:
according to a first aspect of the present invention, there is provided a security verification method of a manual vehicle plan movement authorization, the method comprising the steps of:
step S1, establishing a desired manual movement authorization area;
step S2, verifying the resource occupation state in the authorized area established in the step S1;
step S3, verifying the activation state of the dynamic region in the authorization zone established in the step S1;
step S4, verifying the state of the manual mobile authorization terminal signal machine established in the step S1;
s5, constructing a manual movement plan authorization area;
and S6, verifying the validity period and the regional range of the historical manual dispatching safety protection region plan.
As a preferable technical solution, the step S1 specifically includes: a constant region is extended along the task execution direction until the boundary position of the next constraint.
As an optimal technical scheme, the constant area is the maximum distance which can be driven in the future set time of the manual vehicle overestimated.
As an preferable technical scheme, the calculation of the maximum travelable distance needs to consider the time from resource application to authorization acquisition, the maximum manual vehicle speed, the maximum EB distance and the repositioning deviation.
As a preferred solution, the limited boundary position is a red light signal, a dynamic zone boundary or an operation line boundary.
As a preferable technical solution, the step S2 specifically includes:
based on the manual movement authorization area established in the step S1, the WTC applies the passing authorization to the WRC by using the resources covered by the area, and checks whether the turnout point and the turnout protection area are occupied by other vehicles or not, and checks the subscription state of the signal machine and whether the risk of face-to-face collision exists under multiple scenes or not.
As a preferable technical solution, the step S3 specifically includes:
based on the manual movement authorized area established in the step S1, the WTC checks whether an activated evacuation area exists in the section area, and if passengers are being evacuated, the link safety verification fails.
As a preferable technical solution, the step S4 specifically includes:
and (3) traversing all annunciators on the line, screening out the terminal limiting annunciators of the movement authorization area established in the step (S1), and judging whether the annunciator state is a limiting state red light or not by comparing the annunciator authorization termination time with the current time.
As a preferable technical solution, the step S5 specifically includes:
after passing the verification in steps S2-S4, the mobile authorization zone established in step S1 is converted into a planned mobile authorization zone, which indicates that the resources in the mobile authorization zone of the desired application have been authorized.
As a preferable technical solution, the step S6 specifically includes:
checking the effective historical safe scheduling protection area DPP, and comparing the regional collection of the effective historical safe scheduling protection area DPP with the plan authorization region calculated in the step S5 by screening the effective historical safe scheduling protection area DPP, wherein the former is required to be included in the latter range, and the verification can be considered to pass.
According to a third aspect of the present invention there is provided an electronic device comprising a memory and a processor, the memory having stored thereon a computer program, the processor implementing the method when executing the program.
According to a fourth aspect of the present invention there is provided a computer readable storage medium having stored thereon a computer program which when executed by a processor implements the method.
Compared with the prior art, the invention has the following advantages:
1) According to the method, the security and the reliability of the area are further ensured through the calculation and verification of the resource occupation state, the dynamic area activation state, the end point limiting signal lamp state and the effective historical manual dispatching security protection area authorization set area in the application range;
2) Step S1 of the invention designs the view angle of the artificial train, constructs the expected authorized resource and range according to the execution task issued by the dispatching, and reflects the flexibility and the maneuverability of the system;
3) In the invention, from the aspect of area occupation, the steps S2-S5 fully consider the verification of the resource occupation state, the dynamic area state and the historical effective safe scheduling protection area set in the expected manual movement authorization range; from the perspective of regional authorization time, the verification of the authorization termination time of the end point annunciator in the expected manual movement authorization range and the verification of the effective time of the historical safety dispatch protection zone are fully considered, so that the completeness, safety and time sequence of the method are reflected;
4) The step S6 of the invention designs a process of converting the expected manual mobile authorization into the plan authorization, and embodies the inheritance in the state update.
Drawings
FIG. 1 is a flow chart of the method of the present invention;
FIG. 2 is a schematic diagram of a scenario in which a WTC artificial vehicle of the present invention performs a task;
fig. 3 is a specific flowchart of the present invention for security verification of a desired mobile authorized area after the area is established.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
According to the dynamic resource interaction condition of the trackside train controller WTC and the trackside resource controller WRC, the invention provides a safety verification method for manual movement plan authorization, and the safety and reliability of the area are further ensured by calculating and verifying the resource occupation state, the dynamic area activation state, the terminal limit signal lamp state and the effective historical manual dispatching safety protection area authorization set area in the application range.
As shown in fig. 1, the method of the present invention comprises the steps of:
s1, establishing a desired manual movement authorization area
Based on overestimated unsafe positioning, a constant region is extended along the task execution direction until the next limited boundary position (red light signal, dynamic zone boundary or operation line boundary), the constant region represents the maximum distance that the manual vehicle can travel in a short time in the future, and the time from resource application to authorization acquisition, the maximum manual vehicle speed, the maximum EB distance and repositioning deviation are considered.
S2, verifying the resource occupation state in the expected authorization zone
Based on the expected application running area in the step S1, the WTC car applies the passing authorization to the WRC by using the resources covered by the area, checks whether the turnout point and the turnout protection area are occupied by other cars, and checks the subscription state of the signal machine and whether the risk of face-to-face collision exists under multiple car scenes.
S3, verifying the activation state of the dynamic area in the expected authorization area
Based on the expected application driving area of step S1, the WTC vehicle will also check if there is an activated evacuation area in the section, and if there are passengers evacuating, the link security verification will fail.
S4, verifying the state of a desired manual movement authorization endpoint signal machine
And traversing all annunciators on the line, screening out an end-point limiting annunciator of the expected movement authorization area, and judging whether the annunciator state is a limiting red light or not by comparing the annunciator authorization termination time with the current time.
S5, constructing a manual movement plan authorization area
After the verification in step S2/3/4 is passed, the expected mobile authorization zone is converted into a planned mobile authorization zone, which indicates that the resources in the expected mobile authorization zone are authorized.
S6, verifying the validity period and the regional range of the historical manual dispatching safety protection region plan
In order to ensure the security and the more complete security, the effective historical security scheduling protection area DPP is also checked, and the effective historical security scheduling protection area DPP is screened out and compared with the planned authorized area calculated in step S5, wherein the former area is required to be included in the latter area, the verification can be considered to pass, and the authorized area representing the history is also included in the planned authorized area in the period, so that the time sequence and the security requirement of the system are more met.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Fig. 1 is a schematic diagram of a scenario in which a WTC manual vehicle performs a task, and a desired movement authorization area in the scenario includes a switch pulling area P1/P2, a switch protection area F1/F2, a dynamic evacuation area EPZ1/EPZ2, and a traffic signal S1/S2/S3.
As shown in fig. 2, after establishing a desired mobile authorized area, an algorithm flow chart for security verification of the area includes the following steps:
step1, constructing a desired movement authorization area, such as Wished authorization in fig. 1, wherein a annunciator S3 is used as an end annunciator of the desired authorization, and resource authorization in the range is applied to the WRC based on the area WTC, namely turnout resources P1/P2/F1/F2, dynamic evacuation areas EPZ1/EPZ2 and annunciators S1/S2/S3;
step2, according to the resource state replied by the WRC message, WTC needs to verify whether P1 and P2 are locked in place, the range of the turnout protection zone F1/F2 is not occupied by other vehicles, meanwhile, whether evacuation events occur in the dynamic evacuation zones EPZ1 and EPZ2 or not is checked, and whether annunciators S1, S2 and S3 are successfully subscribed and authorized to permit is judged;
step3, traversing the state of the annunciator on the checking line, and verifying that the expected movement authorization destination annunciator S3 is in a limiting state, namely a red light state, so as to serve as a destination mark to indicate that a driver parks;
step4, after verifying Step2/3, completing the establishment of the planned movement authorization zone, namely Planned authrization in fig. 1;
step5, screening a historical safe scheduling protection area still effective at the current moment, comparing the collected historical safe scheduling protection area with a planned movement authorization area in Step4, and if the historical safe scheduling protection area is included in the planned movement authorization area of the current moment, considering that verification is passed;
step6, checking whether the Authority of the control right of the WTC is credible in time sequence, and judging that the maximum manual Authority expiration time delay 17.618s is needed to pass at the moment of acquiring the Authority of the control right, and considering that the plan Authority is safe and credible;
therefore, through the instantiation analysis of the driving scene, the resource risk state in the expected authorization area in the driving process of the WTC train is fully considered, the timeliness of manual car control right and historical movement authorization is considered, the driver is ensured to drive in the range which is ensured and allowed by the system safety, and the safety verification of the planned movement authorization area is realized.
The foregoing description of the embodiments of the method further describes the embodiments of the present invention through embodiments of the electronic device and the storage medium.
The electronic device of the present invention includes a Central Processing Unit (CPU) that can perform various appropriate actions and processes according to computer program instructions stored in a Read Only Memory (ROM) or computer program instructions loaded from a storage unit into a Random Access Memory (RAM). In the RAM, various programs and data required for the operation of the device can also be stored. The CPU, ROM and RAM are connected to each other by a bus. An input/output (I/O) interface is also connected to the bus.
A plurality of components in a device are connected to an I/O interface, comprising: an input unit such as a keyboard, a mouse, etc.; an output unit such as various types of displays, speakers, and the like; a storage unit such as a magnetic disk, an optical disk, or the like; and communication units such as network cards, modems, wireless communication transceivers, and the like. The communication unit allows the device to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.
The processing unit performs the respective methods and processes described above, for example, the methods S1 to S6. For example, in some embodiments, methods S1-S6 may be implemented as a computer software program tangibly embodied on a machine-readable medium, such as a storage unit. In some embodiments, part or all of the computer program may be loaded and/or installed onto the device via the ROM and/or the communication unit. When the computer program is loaded into RAM and executed by the CPU, one or more steps of the methods S1 to S6 described above may be performed. Alternatively, in other embodiments, the CPU may be configured to perform methods S1-S6 in any other suitable manner (e.g., by means of firmware).
The functions described above herein may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: a Field Programmable Gate Array (FPGA), an Application Specific Integrated Circuit (ASIC), an Application Specific Standard Product (ASSP), a system on a chip (SOC), a Complex Programmable Logic Device (CPLD), and the like.
Program code for carrying out methods of the present invention may be written in any combination of one or more programming languages. These program code may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus such that the program code, when executed by the processor or controller, causes the functions/operations specified in the flowchart and/or block diagram to be implemented. The program code may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. The machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims (12)

1. A method for security verification of a manual vehicle plan movement authorization, the method comprising the steps of:
step S1, establishing a desired manual movement authorization area;
step S2, verifying the resource occupation state in the authorized area established in the step S1;
step S3, verifying the activation state of the dynamic region in the authorization zone established in the step S1;
step S4, verifying the state of the manual mobile authorization terminal signal machine established in the step S1;
s5, constructing a manual movement plan authorization area;
and S6, verifying the validity period and the regional range of the historical manual dispatching safety protection region plan.
2. The method for security verification of mobile authorization of manual vehicle planning according to claim 1, wherein the step S1 is specifically: a constant region is extended along the task execution direction until the boundary position of the next constraint.
3. The method of claim 2, wherein the constant area is a maximum distance that the vehicle can travel within a predetermined time.
4. A method for secure validation of a manual vehicle planned movement authorization according to claim 3, wherein the maximum distance travelled is calculated taking into account the time of resource application to obtain authorization, the maximum manual vehicle speed, the maximum EB distance and the repositioning deviation.
5. A method of security verification of a planned mobile authority of a human vehicle according to claim 2, wherein the limited boundary location is a red light beacon, a dynamic zone boundary or a line boundary.
6. The method for verifying the security of the mobile authorization of the manual vehicle planning according to claim 1, wherein the step S2 is specifically:
based on the manual movement authorization area established in the step S1, the WTC applies the passing authorization to the WRC by using the resources covered by the area, and checks whether the turnout point and the turnout protection area are occupied by other vehicles or not, and checks the subscription state of the signal machine and whether the risk of face-to-face collision exists under multiple scenes or not.
7. The method for security verification of mobile authorization of manual vehicle planning according to claim 1, wherein the step S3 is specifically:
based on the manual movement authorized area established in the step S1, the WTC checks whether an activated evacuation area exists in the section area, and if passengers are being evacuated, the link safety verification fails.
8. The method for security verification of mobile authorization of manual vehicle planning according to claim 1, wherein the step S4 is specifically:
and (3) traversing all annunciators on the line, screening out the terminal limiting annunciators of the movement authorization area established in the step (S1), and judging whether the annunciator state is a limiting state red light or not by comparing the annunciator authorization termination time with the current time.
9. The method for verifying the security of the mobile authorization of the manual vehicle planning according to claim 1, wherein the step S5 is specifically:
after passing the verification in steps S2-S4, the mobile authorization zone established in step S1 is converted into a planned mobile authorization zone, which indicates that the resources in the mobile authorization zone of the desired application have been authorized.
10. The method for security verification of mobile authorization of manual vehicle planning according to claim 1, wherein the step S6 is specifically:
checking the effective historical safe scheduling protection area DPP, and comparing the regional collection of the effective historical safe scheduling protection area DPP with the plan authorization region calculated in the step S5 by screening the effective historical safe scheduling protection area DPP, wherein the former is required to be included in the latter range, and the verification can be considered to pass.
11. An electronic device comprising a memory and a processor, the memory having stored thereon a computer program, characterized in that the processor, when executing the program, implements the method of any of claims 1-10.
12. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the method according to any one of claims 1-10.
CN202311110802.3A 2023-08-31 2023-08-31 Security verification method, equipment and medium for manual vehicle plan mobile authorization Pending CN117320019A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311110802.3A CN117320019A (en) 2023-08-31 2023-08-31 Security verification method, equipment and medium for manual vehicle plan mobile authorization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311110802.3A CN117320019A (en) 2023-08-31 2023-08-31 Security verification method, equipment and medium for manual vehicle plan mobile authorization

Publications (1)

Publication Number Publication Date
CN117320019A true CN117320019A (en) 2023-12-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311110802.3A Pending CN117320019A (en) 2023-08-31 2023-08-31 Security verification method, equipment and medium for manual vehicle plan mobile authorization

Country Status (1)

Country Link
CN (1) CN117320019A (en)

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