CN110466561B - Method and system for realizing LKJ automatic driving target alignment by using station yard interlocking information - Google Patents
Method and system for realizing LKJ automatic driving target alignment by using station yard interlocking information Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B61C—LOCOMOTIVES; MOTOR RAILCARS
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
The invention discloses a method for realizing automatic LKJ driving target alignment by station yard interlocking information, which solves the problems of distance error, false signals and the like possibly caused by manual driving target alignment. The technical scheme is as follows: the LKJ host machine carries out LKJ parameter setting operation; the defense regulating system searches driving punctuation information by using station interlocking information; the LKJ host judges whether the conditions of starting and benchmarking are met, prompts can be automatically started and benchmarked by the LKJ host under the condition that the conditions are met, and displays the distance from a starting and benchmarking point; the LKJ host judges whether the locomotive runs to a driving benchmarking point or not, and the defense regulating system sends an automatic driving benchmarking instruction when the locomotive runs to the driving benchmarking point; and the LKJ host completes the automatic driving and target aligning operation after receiving the automatic driving and target aligning instruction.
Description
Technical Field
The invention relates to an LKJ automatic driving target aligning method and system, in particular to a method and system for realizing LKJ automatic driving target aligning by using station interlocking information.
Background
When the train is started at the starting station, a train operation monitoring device (LKJ for short) needs to carry out starting and benchmarking operation on a specific benchmarking point, the LKJ after starting and benchmarking is switched to a normal working state from a degraded working state, the operation of a locomotive in a section is monitored, and the overspeed operation and the imposition signals of the train are prevented.
At present, LKJ driving target alignment operation requires a driver to manually press a key when a locomotive runs to a driving target alignment point. The manual driving benchmarking has two potential risks:
1) the manual driving target alignment requires a driver to press a key at the moment when the locomotive passes the driving target alignment, if the time of the driver key pressing is late, the end point of an LKJ braking curve behind the driving target alignment lags, and the LKJ controls the locomotive according to the braking curve, so that the risk of the vehicle evasion exists. And the locomotive is impersonated, which is likely to bring personal and property loss to people.
2) If the driver presses the keys earlier, the end point of the LKJ braking curve after the driving is aligned is advanced, so that the speed limit value calculated by the LKJ is low, and the operation efficiency of the locomotive is influenced. If the error value is brought into front of the outbound signal of the next station, the locomotive will further stop at the expected position.
Disclosure of Invention
The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.
The invention aims to solve the problems, provides a method and a system for realizing automatic LKJ driving target alignment by station interlocking information, and solves the problems of distance error, false signals and the like possibly caused by manual driving target alignment.
The technical scheme of the invention is as follows: the invention discloses a method for realizing LKJ automatic driving target alignment by station interlocking information, which comprises the following steps:
the LKJ host machine carries out LKJ parameter setting operation;
the defense regulating system searches driving punctuation information by utilizing vehicle-mounted station yard graph data and station yard interlocking information;
the LKJ host judges whether the conditions of starting and benchmarking are met, prompts can be automatically started and benchmarked by the LKJ host under the condition that the conditions are met, and displays the distance from a starting and benchmarking point;
the LKJ host judges whether the locomotive runs to a driving benchmarking point or not, and the defense regulating system sends an automatic driving benchmarking instruction when the locomotive runs to the driving benchmarking point;
and the LKJ host completes the automatic driving and target aligning operation after receiving the automatic driving and target aligning instruction.
According to an embodiment of the method for realizing LKJ automatic driving target alignment by using the station yard interlocking information, the station yard graph data of the station are stored in advance by the defense regulating system.
According to an embodiment of the method for realizing automatic LKJ driving target alignment by using the station yard interlocking information, the step of searching driving target alignment point information by the defense regulating system by using the vehicle-mounted station yard graph data and the station yard interlocking information further comprises the following steps:
the defense regulating system receives interlocking information of the current station yard;
the defense regulating system determines the position of the locomotive and searches route data;
the defense regulating system judges whether the route has driving opposite point data or not based on the searched route data;
and the defense regulating system sends the driving and target point distance to the LKJ host based on the searched driving and target point data so that the LKJ host determines the position of the driving and target point.
According to an embodiment of the method for realizing LKJ automatic driving target alignment by using station yard interlocking information, the defense regulating system receives the interlocking information from a station computer interlocking system or a TDCS/CTC system through radio broadcasting or a network.
According to an embodiment of the method for realizing LKJ automatic driving target alignment by using station yard interlocking information, the method for searching route data by the defense regulating system comprises the following steps: and the defense regulating system searches the access data including the front signal state according to the association relation, the control and the direction of each interlocking device stored in the interlocking information and the station yard graph data.
According to an embodiment of the method for realizing LKJ automatic driving target alignment by using the station yard interlocking information, the driving target alignment condition comprises that a current cab signal is an open signal, or a station transacts special disclosure including a road ticket driving and green license.
According to an embodiment of the method for realizing LKJ automatic driving target alignment by using station yard interlocking information, the method further comprises the following steps:
and carrying out manual driving target alignment operation when the station interlocking information acquisition fails or the defense system cannot judge whether the driving target alignment point is wrong.
The invention also discloses a system for realizing LKJ automatic driving target alignment by using station interlocking information, which comprises the following steps:
a processor; and
a memory configured to store a series of computer-executable instructions and computer-accessible data associated with the series of computer-executable instructions,
wherein the series of computer executable instructions, when executed by the processor, cause the processor to perform the method as previously described.
Also disclosed is a non-transitory computer readable storage medium having stored thereon a series of computer executable instructions which, when executed by a computing device, cause the computing device to perform the method as previously described.
Compared with the prior art, the invention has the following beneficial effects: compared with manual driving target alignment operation, the automatic driving target alignment method reduces driver operation, can effectively avoid risks caused by manual operation, realizes automatic driving target alignment by station interlocking information, can realize accurate driving target alignment operation, and ensures the accuracy of LKJ control on train operation. The realization of the automatic driving target-aiming function of the invention depends on the station interlocking information and the station map data acquired by LKJ, and the computer interlocking system has years of operation experience and high safety; the station yard graph data is formed by site surveying and mapping and multi-azimuth testing according to the time situation of the station yard, and has high accuracy. In addition, the invention still retains the function of manual driving target alignment on the premise of having the function of automatic driving target alignment. If the station interlocking information fails to be acquired, an LKJ display interface prompts a driver that the automatic driving and the target alignment cannot be carried out, the driver can carry out manual driving and the target alignment, the fault-safety principle is met, and the accuracy of LKJ control is guaranteed.
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The above features and advantages of the present disclosure will be better understood upon reading the detailed description of embodiments of the disclosure in conjunction with the following drawings. In the drawings, components are not necessarily drawn to scale, and components having similar relative characteristics or features may have the same or similar reference numerals.
Fig. 1 is a flowchart illustrating an embodiment of a method for implementing LKJ automatic departure target alignment using yard interlock information according to the present invention.
Fig. 2 shows a detailed flow chart of one of the steps in the embodiment shown in fig. 1.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. It is noted that the aspects described below in connection with the figures and the specific embodiments are only exemplary and should not be construed as imposing any limitation on the scope of the present invention.
Meanwhile, the following conditions are met, and the train has the starting and driving target-aligning functions:
a) the locomotive signal receives an open train signal, or a station transacts special disclosures such as a road ticket for driving, a green license and the like;
b) inputting correct parameter setting information such as a traffic route number, a station number, a train number and the like through an LKJ display, and lighting a driving lamp on a display interface;
c) the train is not at a line data termination station.
The invention discloses an LKJ automatic start-up target alignment method, which relates to an LKJ device and a railway shunting protection system (hereinafter referred to as a shunting protection system). The railway shunting protection system consists of three parts: ground equipment, station positioning equipment and vehicle-mounted equipment.
The ground equipment mainly comprises a station yard information interface server, a communication server, a system server and the like arranged at each railway bureau, and a remote monitoring server and terminal equipment arranged at a China railway head office. The station information interface server of each railway bureau is mainly responsible for interfacing with the TDCS/CTC system, acquiring information such as access, track circuit, signal state and the like from the TDCS system, converting the information into a specific data format of the system and then sending the information to the system server; the system server mainly has the functions of performing functional application calculation, positioning differential forwarding, station data management and system management, and providing information display of stations, locomotives and the like in the jurisdiction range for the monitoring terminal in real time; the server management terminal acquires information through the management server, so that management operation of system basic data is realized, and the station signal state, the station track information and the locomotive running state in the jurisdiction range are displayed in a centralized manner in real time. The remote monitoring server of the China railway head office is used for remotely inquiring and displaying the state of the shunting operation safety protection system of each road bureau.
The station positioning device mainly refers to a satellite differential base station and other devices arranged in a station. The method is mainly used for providing satellite differential data of a certain area (the radius is 30km) for the vehicle-mounted equipment.
And the vehicle-mounted equipment and the ground center equipment adopt public network mobile communication to exchange data in real time, receive differential data in real time and correct position errors, and realize accurate positioning of the locomotive (the positioning accuracy error is not more than 30 cm). The station yard state information sent by the ground system is received in real time through the data transmission radio station, information such as shunting route and the like is calculated in a coordinated mode, a calculation result is sent to the LKJ, and vehicle control protection is carried out through the LKJ.
The vehicle-mounted equipment mainly comprises a shunting protection host and a combined antenna. The combined antenna receives the ground interlocking broadcast information and then transmits the information to the radio plug-in unit on the shunting protection host machine through a feeder line.
The vehicle-mounted protection host consists of a power supply plug-in, a master control plug-in, an LKJ interface plug-in, a wireless communication and positioning plug-in and a radio station plug-in. The master control plug-in unit communicates with the radio station plug-in unit through an RS232 serial interface to acquire station interlocking broadcast contents in real time. After the master control plug-in obtains the station interlocking information, corresponding state values such as a light display of a signal machine, occupation locking of a track section, positioning and reversing of a turnout and the like are given to each control in the station map data according to a mapping rule in the station map data. After the controls in the station yard graph data acquire the states, a train route can be quickly searched and obtained from any control along a determined direction by combining the incidence relation of each control, and guarantee is provided for realizing an LKJ automatic driving and target-aiming function.
Fig. 1 shows a flow of an embodiment of a method for implementing LKJ automatic driving target alignment using yard interlock information according to the present invention. Referring to fig. 1, the implementation steps of the embodiment of the LKJ automatic start-up target matching method of the present embodiment are described in detail as follows.
Step S1: and the LKJ host machine performs LKJ parameter setting operation.
The basic operational parameters of LKJ that need to be set include: and monitoring the traffic, station numbers, train number numbers, train types, local/supplementary and vehicle speed grades. And the LKJ basic control software reads the ground data from the ground data EPROM chip according to the monitored traffic, the station number and the train number. If the effective ground data can be obtained, updating the section number, the station number and the train number, and prompting the permission of driving and benchmarking operation; otherwise, the prompt input is invalid, and the driving is not allowed to be aligned.
Step S2: the defense regulating system searches driving punctuation information by using vehicle-mounted station yard graph data and station yard interlocking information.
The defense regulating system stores station yard graph data of a station in advance. The station yard graph data stores the position, the association relation, the speed limit information and the like of station yard signal equipment, and mainly comprises the following contents: signal machine, turnout, track section, speed limit information (station track speed limit, electric control derailer and the like), and stop point information (fixed derailer, one-degree stop point, no-stop zone, contact net terminal, car stop, station boundary and the like). And the driving opposite-mark position of each station track is stored in the station yard graph data as a station yard signal equipment data element.
In this step, see FIG. 2 for a more detailed process.
Step S21: and the defense regulating system receives the interlocking information of the current station yard.
When the station computer interlocking system handles the departure approach of the train, the defense regulating system receives station interlocking information broadcasted by the station computer interlocking system through the radio station. Besides the station reception, the interlocking information can also be acquired through other network transmission modes or indirectly through a TDCS/CTC system.
Step S22: the defense regulating system determines the position of the locomotive and searches for route data.
After the current position of the locomotive is determined, the defense regulating system searches for route data including a front signal state according to the association relation, the control and the direction of each interlocking device stored in the interlocking broadcast information and the station yard graph data.
Step S23: and the defense regulating system judges whether the route has driving punctuation data or not based on the searched route data, and if so, the next step is operated.
And the defense regulating system searches the driving benchmarking point distance of the current departure route according to the state of each device in the station yard interlocking information and the incidence relation between each data element in the station yard graph.
Step S24: and the defense regulating system sends the driving and target point distance to the LKJ based on the searched driving and target point data.
And the defense regulating system sends the route data including the driving target point distance information to the LKJ host. The station yard graph data stores the association relation of each interlocking device, and after the control and the direction are determined, the next control has uniqueness. The reversal state of each switch can be determined according to the interlocking broadcast information. The defense regulating system takes the current position of the locomotive as a starting point, sequentially searches the related control of each control along the running direction of the locomotive, stops searching when the tail end of the route is a station boundary or a soil gear, and sequentially arranges the search results to obtain the running route data of the locomotive. The defense regulating system sends the operation route data containing the driving benchmarking points to the LKJ, and the LKJ can determine the position information of the driving benchmarking points.
Step S3: and the LKJ judges whether the driving benchmarking condition is met. And operating the next step after judging that the conditions are met.
The LKJ acquires the cab signal information in real time through a cab signal device, and when the current cab signal is an open signal or the station handles special disclosures such as ticket driving and green licenses, the current cab signal is judged to meet the conditions of driving and targeting.
Step S4: the LKJ prompt can automatically start to align the mark and display the distance from the starting to the mark point.
For example, the screen display of the LKJ prompts "auto-tender drive". When the locomotive runs to the driving benchmarking partition, the screen display of the LKJ displays the real-time distance between the locomotive and the driving benchmarking point.
Step S5: the LKJ host judges whether the locomotive runs to a driving benchmarking point or not. If yes, the next step is executed, and if not, the step returns to step S4.
Step S6: and the defense regulating system sends an automatic driving and benchmarking instruction.
Step S7: and the LKJ completes the automatic driving target aligning operation after receiving the automatic driving target aligning instruction.
And after the LKJ receives the automatic starting and benchmarking instruction, the LKJ automatically changes from the degraded state to the normal working state, and monitors the normal operation of the locomotive according to information such as vehicle-mounted basic data, locomotive signals, temporary speed limit and the like.
In addition, the present embodiment also includes handling of abnormal situations.
In the invention, the method for realizing LKJ automatic driving target alignment by using station yard interlocking information has the following two abnormal conditions:
1) the shunting protection system fails to acquire the interlocking broadcast information (for example, station frequency point errors in station yard graph data, ground interlocking equipment faults and the like), and at the moment, the shunting protection system cannot acquire the station yard interlocking state and cannot search the automatic driving punctuation information.
2) The station yard graph data stored in the shunting protection system is wrong (for example, mapping relation between an outbound signal machine and a side track number is wrong, interlocking signal equipment is not matched with the actual system, and the like), so that driving punctuation information acquired by the shunting protection system is wrong.
When the station interlocking information acquisition fails, the locomotive can not automatically start to align the targets, but can still perform normal manual starting to align the targets, so that the problem caused by the fact that the locomotive cannot start to align the targets under the abnormal condition can be avoided.
The defense system cannot judge whether the driving punctuation is wrong or not, so for the abnormal situation, protection is carried out in the preparation stage of the station yard graph data. Before each station yard graph data is put into use, the station yard graph data needs to be compared with standard station yard data of a road bureau, meanwhile, each route can be subjected to simulated driving, the test coverage rate of a control in the station yard graph data reaches 100%, and the correctness of the station yard graph data is guaranteed.
In addition, the invention also discloses an embodiment of a system for realizing LKJ automatic driving target alignment by using station yard interlocking information, and the system of the embodiment comprises a processor and a memory.
The memory is configured to store a series of computer-executable instructions and computer-accessible data associated with the series of computer-executable instructions.
When executed by a processor, the series of computer-executable instructions cause the processor to perform the method of the embodiments as previously described. Since the specific steps of the method have been described in detail in the foregoing embodiments, they are not described herein again.
Additionally, embodiments of a non-transitory computer-readable storage medium are disclosed. The non-transitory computer readable storage medium of the present embodiment has stored thereon a series of computer executable instructions that, when executed by a computing device, cause the computing device to perform the method of the previous embodiment. Since the specific steps of the method have been described in detail in the foregoing embodiments, they are not described herein again.
While, for purposes of simplicity of explanation, the methodologies are shown and described as a series of acts, it is to be understood and appreciated that the methodologies are not limited by the order of acts, as some acts may, in accordance with one or more embodiments, occur in different orders and/or concurrently with other acts from that shown and described herein or not shown and described herein, as would be understood by one skilled in the art.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The various illustrative logical blocks, modules, and circuits described in connection with the embodiments disclosed herein may be implemented or performed with a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. In the alternative, the processor and the storage medium may reside as discrete components in a user terminal.
In one or more exemplary embodiments, the functions described may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software as a computer program product, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a computer. By way of example, and not limitation, such computer-readable media can comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. Any connection is properly termed a computer-readable medium. For example, if the software is transmitted from a web site, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of medium. Disk (disk) and disc (disc), as used herein, includes Compact Disc (CD), laser disc, optical disc, Digital Versatile Disc (DVD), floppy disk and blu-ray disc where disks (disks) usually reproduce data magnetically, while discs (discs) reproduce data optically with lasers. Combinations of the above should also be included within the scope of computer-readable media.
The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A method for realizing LKJ automatic driving target alignment by using station yard interlocking information is characterized by comprising the following steps:
the LKJ host machine carries out LKJ parameter setting operation;
the defense regulating system searches driving punctuation information by utilizing vehicle-mounted station yard graph data and station yard interlocking information;
the LKJ host judges whether the conditions of starting and benchmarking are met, prompts can be automatically started and benchmarked by the LKJ host under the condition that the conditions are met, and displays the distance from a starting and benchmarking point;
the LKJ host judges whether the locomotive runs to a driving benchmarking point or not, and the defense regulating system sends an automatic driving benchmarking instruction when the locomotive runs to the driving benchmarking point;
the LKJ host completes automatic driving and target aligning operation after receiving the automatic driving and target aligning instruction;
the step of searching driving punctuation information by the defense regulating system by using the vehicle-mounted station map data and the station interlocking information further comprises the following steps:
the defense regulating system receives interlocking information of the current station yard;
the defense regulating system determines the position of the locomotive and searches route data;
the defense regulating system judges whether the route has driving opposite point data or not based on the searched route data;
and the defense regulating system sends the driving and target point distance to the LKJ host based on the searched driving and target point data so that the LKJ host determines the position of the driving and target point.
2. The method for achieving LKJ automatic driving target alignment through station yard interlocking information as claimed in claim 1, wherein the defense regulating system stores station yard graph data of a station in advance.
3. The method for achieving automatic LKJ driving target alignment through station yard interlocking information as claimed in claim 1, wherein the defense system receives the interlocking information from a station computer interlocking system or a TDCS/CTC system through radio broadcasting or a network.
4. The method for achieving automatic LKJ driving target alignment through station yard interlocking information as claimed in claim 3, wherein the defense regulating system searching for the route data comprises: and the defense regulating system searches the access data including the front signal state according to the association relation, the control and the direction of each interlocking device stored in the interlocking information and the station yard graph data.
5. A method for implementing an LKJ automatic departure bidding according to claim 3, wherein the departure bidding conditions include that the current cab signal is an open signal, or that the station has handled special disclosure including ticket driving and green licenses.
6. The method for achieving LKJ automatic departure targeting using yard interlock information as claimed in claim 1, further comprising:
and carrying out manual driving target alignment operation when the station interlocking information acquisition fails or the defense system cannot judge whether the driving target alignment point is wrong.
7. The utility model provides an utilize station interlocking information to realize automatic driving of LKJ and aim at system which characterized in that, the system includes:
a processor; and
a memory configured to store a series of computer-executable instructions and computer-accessible data associated with the series of computer-executable instructions,
wherein the series of computer executable instructions, when executed by the processor, cause the processor to perform the method of any of claims 1 to 6.
8. A non-transitory computer readable storage medium having stored thereon a series of computer executable instructions that, when executed by a computing device, cause the computing device to perform the method of any of claims 1 to 6.
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| CN114802359B (en) * | 2021-01-27 | 2023-03-24 | 株洲中车时代电气股份有限公司 | Automatic benchmarking parking method, system and device for locomotive |
| CN113525458B (en) * | 2021-09-03 | 2023-01-10 | 北京交大思诺科技股份有限公司 | LKJ basic data organization and application method |
| CN114475724B (en) * | 2022-01-07 | 2023-10-17 | 北京全路通信信号研究设计院集团有限公司 | Train control method and system for providing train control data for LKJ-equipped train |
| CN115092221A (en) * | 2022-07-07 | 2022-09-23 | 北京交大思诺科技股份有限公司 | LKJ control method for assisting driver to control train side parking |
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