CN115848446B - Train safe driving method and device - Google Patents
Train safe driving method and device Download PDFInfo
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- CN115848446B CN115848446B CN202310122525.1A CN202310122525A CN115848446B CN 115848446 B CN115848446 B CN 115848446B CN 202310122525 A CN202310122525 A CN 202310122525A CN 115848446 B CN115848446 B CN 115848446B
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Abstract
The application provides a train safe driving method and a device, the method is applied to a network data analysis function NWDAF, the method comprises: acquiring detection information in a preset railway area corresponding to the current running position of the train, wherein the detection information is used for describing whether an invader exists in the preset railway area or not and the motion state of the invader; determining the first time when an intruder arrives at a preset dangerous area corresponding to the current running position of the train according to the detection information; determining a second time when the train reaches a corresponding running position of a preset dangerous area; determining a running signal corresponding to the train according to the first time and the second time; and sending a driving signal to the train so that the train avoids an intruder. According to the method, whether the invader collides with the train or not is judged by determining the time when the invader enters the preset dangerous area and the time when the train runs to the running position corresponding to the preset dangerous area, and a running signal is sent to the train according to the judging result, so that the train can avoid the invader in time.
Description
Technical Field
The application relates to the technical field of railway safety, in particular to a train safety driving method and device.
Background
In the prior art, cameras are densely deployed near a railway, whether wild animals exist or not is determined by manually determining pictures shot by the cameras, and if the wild animals are about to reach a dangerous area, a worker informs a railway operation system or a railway operator through a telephone or an interphone, and the railway operation system or the railway operator issues a command to a related train, so that the time rate of the train to avoid the wild animals is low.
Disclosure of Invention
Therefore, an object of the present application is to provide at least a safe running method and apparatus for a train, which determines whether an intruder collides with the train by determining a time when the intruder enters a preset dangerous area and a time when the train runs to a running position corresponding to the preset dangerous area, and sends a running signal to the train according to a determination result, so that the train avoids the intruder in time, thereby solving a technical problem that the train avoids the untimely time by manually checking a photographed picture in the prior art, and achieving a technical effect of improving a time rate of the train avoiding the intruder.
The application mainly comprises the following aspects:
in a first aspect, an embodiment of the present application provides a method for safe driving of a train, where the method is applied to a network data analysis function NWDAF, and the method includes: acquiring detection information in a preset railway area corresponding to the current running position of the train, wherein the detection information is used for describing whether an invader exists in the preset railway area and the motion state of the invader; determining the first time when the invader reaches a preset dangerous area corresponding to the current running position of the train according to the detection information; determining a second time when the train arrives at a corresponding driving position of the preset dangerous area; determining a driving signal corresponding to the train according to the first time and the second time; and sending the driving signal to the train so that the train avoids the invader.
Optionally, the detection information includes: after the current position of the invader is obtained and the detection information in the preset railway area corresponding to the current running position of the train is obtained, the method further comprises: determining whether the detection information contains the current position of an intruder; if the detection information contains the current position of the invader, determining whether the current position of the invader belongs to the preset dangerous area or not; if the current position of the invader belongs to the preset dangerous area, a brake signal is sent to the train; if the current position of the invader does not belong to the preset dangerous area, determining the first time when the invader reaches the preset dangerous area corresponding to the current running position of the train according to the detection information.
Optionally, the detection information includes: the movement speed, movement direction and acquisition time of the detection information of the invader; the determining, according to the detection information, a first time when the intruder reaches a preset dangerous area corresponding to a current running position of the train, includes: determining the arrival position of the invader at the preset dangerous area according to the movement direction and the current position of the invader; taking the distance between the arrival position and the current position of the invader as the movement distance of the invader; determining the movement time of the invader reaching the reaching position according to the movement distance and the movement speed of the invader; and adding the acquisition time and the movement time to be used as the first time when the invader reaches a preset dangerous area corresponding to the current running position of the train.
Optionally, determining the second time when the train arrives at the corresponding driving position of the preset dangerous area includes: determining the current position and the running speed of the train corresponding to the detection information; determining a travel position corresponding to the arrival position in a railway path along which the train travels; determining a running distance between the current position of the train and the running position according to a railway path of the train; determining the running time of the train reaching the running position according to the running distance and the running speed; and adding the acquisition time and the running time to be used as a second time for the train to reach the running position corresponding to the preset dangerous area.
Optionally, determining a driving signal corresponding to the train according to the first time and the second time includes: determining whether the first time is greater than the second time; if the first time is longer than the second time, determining that the running signal corresponding to the train is a normal running signal or an acceleration running signal; and if the first time is less than or equal to the second time, determining that the running signal corresponding to the train is a brake signal.
Optionally, the method further comprises: determining whether the travel signal is the brake signal; and if the driving signal is the braking signal, sending the braking signal to a worker so that the worker drives the invader.
In a second aspect, an embodiment of the present application further provides a train safe driving apparatus, where the apparatus includes: the acquisition module is used for acquiring detection information in a preset railway area corresponding to the current running position of the train, wherein the detection information is used for describing whether an invader exists in the preset railway area and the motion state of the invader; the first determining module is used for determining the first time when the invader reaches a preset dangerous area corresponding to the current running position of the train according to the detection information; the second determining module is used for determining a second time when the train arrives at the corresponding driving position of the preset dangerous area; the third determining module is used for determining a running signal corresponding to the train according to the first time and the second time; and the first sending module is used for sending the driving signal to the train so as to enable the train to avoid the invader.
Optionally, the detection information includes: the present location of the intruder, the apparatus further comprising: a fourth determining module, configured to determine, according to the detection information, whether an intruder exists in the preset railway area; a fifth determining module, configured to determine, if an intruder exists in the preset railway area, whether a current position of the intruder belongs to the preset dangerous area; the second sending module is used for sending a brake signal to the train if the current position of the invader belongs to the preset dangerous area; and a sixth determining module, configured to determine, according to the detection information, a first time when the intruder arrives at a preset dangerous area corresponding to the current running position of the train if the current position of the intruder does not belong to the preset dangerous area.
In a third aspect, an embodiment of the present application further provides an electronic device, including: a processor, a memory and a bus, the memory storing machine readable instructions executable by the processor, the processor and the memory communicating via the bus when the electronic device is running, the machine readable instructions when executed by the processor performing the steps of the train safe driving method as described in the first aspect or any of the possible implementation manners of the first aspect.
In a fourth aspect, the embodiment of the present application further provides a computer readable storage medium, where a computer program is stored, where the computer program is executed by a processor to perform the steps of safe running of a train as described in the first aspect or any possible implementation manner of the first aspect.
The embodiment of the application provides a train safe driving method and a train safe driving device, wherein the method is applied to a network data analysis function NWDAF, and comprises the following steps: acquiring detection information in a preset railway area corresponding to the current running position of the train, wherein the detection information is used for describing whether an invader exists in the preset railway area and the motion state of the invader; determining the first time when the invader reaches a preset dangerous area corresponding to the current running position of the train according to the detection information; determining a second time when the train arrives at a corresponding driving position of the preset dangerous area; determining a driving signal corresponding to the train according to the first time and the second time; and sending the driving signal to the train so that the train avoids the invader. The time that the invader enters the preset dangerous area and the time that the train runs to the running position corresponding to the preset dangerous area are determined, whether the invader collides with the train or not is judged, and a running signal is sent to the train according to a judging result, so that the train avoids the invader in time, the technical problem that the train avoids untimely due to the fact that the shooting picture is checked manually in the prior art is solved, and the technical effect of improving the time rate of the train avoiding the invader is achieved.
In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a flowchart of a method for safe running of a train according to an embodiment of the present application.
Fig. 2 shows a schematic diagram of a preset railway zone provided by an embodiment of the present application.
Fig. 3 shows a schematic diagram of a preset dangerous area according to an embodiment of the present application.
Fig. 4 is a schematic diagram illustrating an intruder reaching a preset dangerous area according to an embodiment of the present application.
Fig. 5 shows an interaction schematic diagram of a train safe driving method provided by an embodiment of the application.
Fig. 6 shows a functional block diagram of a train safety driving device according to an embodiment of the present application.
Fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present application, and it should be understood that the drawings in the present application are for the purpose of illustration and description only and are not intended to limit the scope of the present application. In addition, it should be understood that the schematic drawings are not drawn to scale. A flowchart, as used in this disclosure, illustrates operations implemented according to some embodiments of the present application. It should be appreciated that the operations of the flow diagrams may be implemented out of order and that steps without logical context may be performed in reverse order or concurrently. Moreover, one or more other operations may be added to or removed from the flow diagrams by those skilled in the art under the direction of the present disclosure.
In addition, the described embodiments are only some, but not all, embodiments of the application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art based on embodiments of the application without making any inventive effort, fall within the scope of the application.
In the prior art, a large number of cameras are installed along the railway, monitoring pictures shot by the cameras are checked manually to confirm whether an invader damages the safe running of the train or not in real time, and the manual video inspection can lead to finding out that the invader is not timely so as to influence the safe running of the train, and the cost of installing a large number of cameras and needing a large number of people to check the monitoring pictures is large.
Based on the above, the embodiment of the application provides a safe running method and a safe running device for a train, which are used for judging whether an invader collides with the train or not by determining the time when the invader enters a preset dangerous area and the time when the train runs to a running position corresponding to the preset dangerous area, and sending a running signal to the train according to a judging result so as to enable the train to avoid the invader in time, so that the technical problem that the train is not avoided in time due to the fact that the shooting picture is checked manually in the prior art is solved, and the technical effect of improving the timeliness rate of the train to avoid the invader is achieved. The method comprises the following steps:
referring to fig. 1, fig. 1 is a flowchart of a method for safe driving of a train according to an embodiment of the present application. As shown in fig. 1, the method for safe driving of a train provided by the embodiment of the application is applied to a network data analysis function NWDAF (Network Data Analytics Function), and includes the following steps:
s101: and acquiring detection information in a preset railway area corresponding to the current running position of the train.
The detection information is used for describing whether an invader exists in the preset railway area or not and the movement state of the invader. If an intruder exists in the preset railway area, the detection information comprises: the current position of the invader, the movement speed and movement direction of the invader and the acquisition time for acquiring the detection information. That is, if an intruder exists in the preset railway area, the current position, the movement speed and the movement direction of the intruder corresponding to each acquisition time are obtained. If no invader exists in the preset railway area, the detection information is empty, namely the current position of the invader, the movement speed, the movement direction and the acquisition time of the invader are not in the detection information.
The detection information is measured by an infrared remote sensing module, a positioning module and a speed measuring module which are arranged on the base station. And taking the current position of the preset position on the train body of the train as the current position of the train in the running process of the train.
Referring to fig. 2, fig. 2 is a schematic diagram of a preset railway area according to an embodiment of the present application. As shown in fig. 2, when the current position of the head of the train is taken as the current position of the train, the two tracks of the railway are denoted as a first track and a second track, and the railway outer area is divided into an area outward of the first track (an area to the left of the first track) and an area outward of the second track (an area to the right of the second track). And (3) making a straight line perpendicular to the running direction of the train at the current position of the train, marking the intersection point of the straight line and the first track as a first intersection point, and marking the intersection point of the straight line and the second track as a second intersection point. A line segment L perpendicular to the straight line is formed from the first intersection point to the outward region of the first track 1,1 ，L 1,1 Is 50 meters long, and line segment L 1,1 The end points of the first track except the first intersection point are marked as a first starting point, and a line segment L perpendicular to the straight line is formed from the second intersection point to the outward region of the second track 1,2 ，L 1,2 Is 50 meters long, and line segment L 1,2 The end points of the pair other than the second intersection point are denoted as second start points. A first section parallel to the first track is drawn from the first starting point along the train running direction, and a second section parallel to the second track is drawn from the second starting point along the train running direction, wherein the lengths of the first section and the second section are 10 km. That is, the first road section and the second road section do not have to be straight lines, but only the perpendicular line and the line segment L from any point on the first road section to the first track are ensured 1,1 The lengths of the parallel and vertical lines are all equal to the line segment L 1,1 The same applies to the second road section. The end points of the first road segment except the first start point are marked as first end points, and the end points of the second road segment except the second start point are marked as second end points. The first end point is drawn to a vertical line and a line segment L 1,1 The closed area of the first road section and the first track combination, and the second end point makes a vertical line and a line segment L to the second track 1,2 The closed area of the second road section and the second track combination is used as a preset corresponding to the current running position of the trainRailway areas (i.e., shaded areas in fig. 2).
Referring to fig. 3, fig. 3 is a schematic diagram of a preset dangerous area according to an embodiment of the application. As shown in fig. 3, when the current position of the head of the train is taken as the current position of the train, the two tracks of the railway are denoted as a first track and a second track, and the railway outer area is divided into an area outward of the first track (an area to the left of the first track) and an area outward of the second track (an area to the right of the second track). And (3) making a straight line perpendicular to the running direction of the train at the current position of the train, marking the intersection point of the straight line and the first track as a first intersection point, and marking the intersection point of the straight line and the second track as a second intersection point. A line segment L perpendicular to the straight line is formed from the first intersection point to the outward region of the first track 2,1 ，L 2,1 Is 3 meters long, line segment L 2,1 The end points of the pair other than the first intersection point are marked as third starting points. A line segment L perpendicular to the straight line is formed from the second intersection point to the outward region of the second track 2,2 ，L 2,2 Is 3 meters long, line segment L 3,2 The end points of the pair other than the second intersection point are marked as fourth starting points. And drawing a third section parallel to the first track along the train running direction from a third starting point, and drawing a fourth section parallel to the second track along the train running direction from a fourth starting point, wherein the lengths of the third section and the fourth section are 10 km. The third and fourth sections need not necessarily be straight sections, but only ensure that a perpendicular line is drawn from any point on the third section to the third track, the perpendicular line and the line segment L 2,1 The lengths of the parallel and vertical lines are all equal to the line segment L 2,1 The same applies to the fourth road section. And recording the end points except the third starting point in the third path section as a third end point, and recording the end points except the fourth starting point in the fourth path section as a fourth end point. The third end point is arranged on the first track to form a vertical line and a line segment L 2,1 The enclosed area of the third road section and the first track combination, and the fourth end point makes a vertical line and a line segment L to the second track 2,2 The closed area of the fourth road section and the second track combination serves as a preset dangerous area, namely a preset dangerous area (namely a hatched area in fig. 3) corresponding to the current running position of the train.
After obtaining the detection information in the preset railway area corresponding to the current running position of the train, the method further comprises the following steps: determining whether the detection information contains the current position of an intruder; if the detection information contains the current position of the invader, determining whether the current position of the invader belongs to the preset dangerous area or not; if the current position of the invader belongs to the preset dangerous area, a brake signal is sent to the train; if the current position of the invader does not belong to the preset dangerous area, determining the first time when the invader reaches the preset dangerous area corresponding to the current running position of the train according to the detection information.
That is, after the detection information is acquired, whether an intruder exists in the preset railway area is determined according to whether the current position of the intruder is contained in the detection information. If the detection information contains the current position of the invader, determining that the invader exists in the preset railway area, and determining whether the current position of the invader belongs to the preset dangerous area or not; if the detection information does not contain the current position of the invader, determining that the invader does not exist in the preset railway area, and sending a forward running signal to the train or not sending a running signal to the train. If the current position of the invader belongs to the preset dangerous area, a brake signal is sent to the train; if it is determined that an invader exists in the preset railway area and the current position of the invader does not belong to the preset dangerous area, determining the first time when the invader reaches the preset dangerous area corresponding to the current running position of the train according to the detection information.
S102: and determining the first time when the intruder reaches a preset dangerous area corresponding to the current running position of the train according to the detection information.
According to the detection information, determining a first time when the invader reaches a preset dangerous area corresponding to the current running position of the train, wherein the first time comprises the following steps: determining the arrival position of the invader at the preset dangerous area according to the movement direction and the current position of the invader; taking the distance between the arrival position and the current position of the invader as the movement distance of the invader; determining the movement time of the invader reaching the reaching position according to the movement distance and the movement speed of the invader; and adding the acquisition time and the movement time to be used as the first time when the invader reaches a preset dangerous area corresponding to the current running position of the train.
Referring to fig. 4, fig. 4 is a schematic diagram illustrating an intruder reaching a predetermined dangerous area according to an embodiment of the present application. As shown in fig. 4, if the intruder is located in the area outside the first track, a straight line is made along the moving direction of the intruder with the current position of the intruder as a starting point, and it is determined whether the straight line intersects with a third path segment of the preset dangerous area; if the straight line intersects with a third path segment of the preset dangerous area, taking an intersection point of the straight line intersecting with the third path segment of the preset dangerous area as an arrival position of an invader at the preset dangerous area; if the straight line does not intersect the third path segment of the predetermined hazard zone, the intruder is ignored. Distance d between the arrival location and the current location of the intruder 1 As the movement distance of the intruder, d 1 Comparing with the motion speed of the invader to obtain the motion time of the invader. And adding the acquisition time and the movement time to be used as the first time when the invader reaches a preset dangerous area corresponding to the current running position of the train. That is, the first time is a time when the intruder is predicted to arrive at the arrival position corresponding to the intruder.
S103: and determining a second time when the train reaches the corresponding running position of the preset dangerous area.
Determining a second time when the train arrives at the corresponding driving position of the preset dangerous area, wherein the second time comprises the following steps: determining the current position and the running speed of the train corresponding to the detection information; determining a travel position corresponding to the arrival position in a railway path along which the train travels; determining a running distance between the current position of the train and the running position according to the railway path of the train; determining the running time of the train reaching the running position according to the running distance and the running speed; and adding the acquisition time and the running time to be used as a second time for the train to reach the running position corresponding to the preset dangerous area.
As shown in fig. 4, if the intruder is located in the area outside the first track, a straight line is made along the moving direction of the intruder with the current position of the intruder as a starting point, and it is determined whether the straight line intersects with a third path segment of the preset dangerous area; if the straight line intersects with a third path segment of the preset dangerous area, taking an intersection point of the straight line intersecting with the third path segment of the preset dangerous area as an arrival position of an invader at the preset dangerous area; if the straight line does not intersect the third path segment of the predetermined hazard zone, the intruder is ignored. And (3) making a perpendicular line to the first track from the current position of the invader, and taking an intersection point of the perpendicular line and a running path of the train as a running position corresponding to the arrival position in a railway path on which the train runs. Determining a driving distance d between the current position and the driving position of the train according to the railway path of the train 2 The travel distance here is not a straight line distance between two points of the current position and the travel position of the train, but a railway path along which the train travels, which is determined by the trend of the railway on which the train is located, is determined, and the travel distance between the current position and the travel position of the train is determined in the railway path. Distance d to be travelled 2 And comparing the speed with the running speed of the train, and taking the ratio as a second time when the train reaches the corresponding running position of the preset dangerous area.
S104: and determining a running signal corresponding to the train according to the first time and the second time.
And determining a driving signal corresponding to the train according to the first time and the second time, including: determining whether the first time is greater than the second time; if the first time is longer than the second time, determining that the running signal corresponding to the train is a normal running signal or an acceleration running signal; and if the first time is less than or equal to the second time, determining that the running signal corresponding to the train is a brake signal.
That is, the travel signals include a normal travel signal, an acceleration travel signal, and a brake signal. If the first time is longer than the second time, the intruder is considered not to collide with the train, and then a normal running signal or an acceleration running signal is sent to the train so that the train can run normally or run in an acceleration mode; and if the first time is less than or equal to the second time, sending a braking signal to the train so as to enable the train to brake and avoid an intruder.
S105: and sending a driving signal to the train so that the train avoids an intruder.
The method further comprises the steps of: determining whether the travel signal is the brake signal; and if the driving signal is the braking signal, sending the braking signal to a worker so that the worker drives the invader.
That is, a travel signal may also be sent to the crew to allow the crew to assist the train in evading the intruder.
Referring to fig. 5, fig. 5 is an interactive schematic diagram of a train safe driving method according to an embodiment of the application. As shown in fig. 5:
s201: and the base station sends the detection information in the preset railway area corresponding to the current running position of the train to the MEC.
That is, the infrared remote sensing module, the positioning module and the speed measuring module installed on the base station detect and obtain detection information in a preset railway area corresponding to the current running position of the train, and the base station sends the detection information to the MEC (Multi-access/Mobile Edge Computing, multi-access mobile edge computing).
S202: the MEC sends the detection information to the NWDAF.
S203: the NWDAF determines a driving signal corresponding to the train according to the detection information.
That is, the NWDAF executes the train safety driving method of the previous steps S101 to S104 to determine the driving signal corresponding to the train, and the specific implementation method is consistent with the previous, and will not be described herein.
S204: NWDAF sends a travel signal to MEC.
S205: the MEC transmits the travel signal to the base station.
That is, after receiving the driving signal, the base station transmits the driving signal to the train or the staff, so that the train can normally run, accelerate or brake according to the driving signal, or the staff can enter a preset dangerous area to drive the intruder after receiving the braking signal.
Based on the same application conception, the embodiment of the application also provides a train safety running device corresponding to the train safety running method provided by the embodiment, and because the principle of solving the problem of the device in the embodiment of the application is similar to that of the train safety running method of the embodiment of the application, the implementation of the device can be referred to the implementation of the method, and the repetition is omitted.
As shown in fig. 6, fig. 6 is a functional block diagram of a train safety driving device according to an embodiment of the present application. The train safety traveling device 10 includes: an acquisition module 101, a first determination module 102, a second determination module 103, a third determination module 104 and a first transmission module 105.
The acquiring module 101 is configured to acquire detection information in a preset railway area corresponding to a current running position of a train, where the detection information is used to describe whether an intruder exists in the preset railway area and a motion state of the intruder; a first determining module 102, configured to determine, according to the detection information, a first time when the intruder arrives at a preset dangerous area corresponding to a current running position of the train; a second determining module 103, configured to determine a second time when the train arrives at a corresponding driving position of the preset dangerous area; a third determining module 104, configured to determine a driving signal corresponding to the train according to the first time and the second time; and a first transmitting module 105, configured to transmit the driving signal to the train, so that the train avoids the intruder.
The train safety driving apparatus further includes: a fourth determining module, configured to determine, according to the detection information, whether an intruder exists in the preset railway area; a fifth determining module, configured to determine, if an intruder exists in the preset railway area, whether a current position of the intruder belongs to the preset dangerous area; the second sending module is used for sending a brake signal to the train if the current position of the invader belongs to the preset dangerous area; and a sixth determining module, configured to determine, according to the detection information, a first time when the intruder arrives at a preset dangerous area corresponding to the current running position of the train if the current position of the intruder does not belong to the preset dangerous area.
Based on the same application concept, referring to fig. 7, a schematic structural diagram of an electronic device according to an embodiment of the present application is shown, where the electronic device 20 includes: a processor 201, a memory 202 and a bus 203, said memory 202 storing machine readable instructions executable by said processor 201, said processor 201 and said memory 202 communicating via said bus 203 when the electronic device 20 is running, said machine readable instructions being executed by said processor 201 to perform the steps of the train safe driving method as described in any of the above embodiments.
In particular, the machine readable instructions, when executed by the processor 201, may perform the following: acquiring detection information in a preset railway area corresponding to the current running position of the train, wherein the detection information is used for describing whether an invader exists in the preset railway area and the motion state of the invader; determining the first time when the invader reaches a preset dangerous area corresponding to the current running position of the train according to the detection information; determining a second time when the train arrives at a corresponding driving position of the preset dangerous area; determining a driving signal corresponding to the train according to the first time and the second time; and sending the driving signal to the train so that the train avoids the invader.
Based on the same application conception, the embodiment of the application also provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program, and the computer program executes the steps of the train safe driving method provided by the embodiment when being run by a processor.
Specifically, the storage medium can be a general storage medium, such as a mobile disk, a hard disk and the like, when a computer program on the storage medium is run, the train safety running method can be executed, whether an invader collides with a train or not is judged by determining the time when the invader enters a preset dangerous area and the time when the train runs to a running position corresponding to the preset dangerous area, and a running signal is sent to the train according to a judging result, so that the train avoids the invader in time, the technical problem that the train avoids untimely by manually checking a shooting picture in the prior art is solved, and the technical effect of improving the time rate of the train avoiding the invader is achieved.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described system and apparatus may refer to corresponding procedures in the foregoing method embodiments, which are not described herein again. In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. The above-described apparatus embodiments are merely illustrative, for example, the division of the units is merely a logical function division, and there may be other manners of division in actual implementation, and for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some communication interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present application 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 functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a non-volatile computer readable storage medium executable by a processor. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily appreciate variations or alternatives within the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (8)
1. A method for safe driving of a train, characterized in that the method is applied to a network data analysis function NWDAF, the method comprising:
acquiring detection information in a preset railway area corresponding to the current running position of a train, wherein the detection information is used for describing whether an invader exists in the preset railway area and the motion state of the invader, and a base station sends the detection information in the preset railway area corresponding to the current running position of the train to an NWDAF through multi-access mobile edge calculation;
determining the first time when the invader reaches a preset dangerous area corresponding to the current running position of the train according to the detection information;
determining a second time when the train arrives at a corresponding driving position of the preset dangerous area;
determining a driving signal corresponding to the train according to the first time and the second time;
transmitting the travel signal to the train to cause the train to evade the intruder;
the detection information includes: the movement speed, movement direction and acquisition time of the detection information of the invader; the determining, according to the detection information, a first time when the intruder reaches a preset dangerous area corresponding to a current running position of the train, includes: determining the arrival position of the invader at the preset dangerous area according to the movement direction and the current position of the invader; taking the distance between the arrival position and the current position of the invader as the movement distance of the invader; determining the movement time of the invader reaching the reaching position according to the movement distance and the movement speed of the invader; adding the acquisition time and the movement time to be used as the first time when the invader reaches a preset dangerous area corresponding to the current running position of the train;
the determining the second time for the train to reach the corresponding running position of the preset dangerous area comprises the following steps:
determining the current position and the running speed of the train corresponding to the detection information; determining a travel position corresponding to the arrival position in a railway path along which the train travels; determining a running distance between the current position of the train and the running position according to a railway path of the train; determining the running time of the train reaching the running position according to the running distance and the running speed; and adding the acquisition time and the running time to be used as a second time for the train to reach the running position corresponding to the preset dangerous area.
2. The method according to claim 1, wherein after the detection information in the preset railway area corresponding to the current running position of the train is obtained, the method further comprises:
determining whether the detection information contains the current position of an intruder;
if the detection information contains the current position of the invader, determining whether the current position of the invader belongs to the preset dangerous area or not;
if the current position of the invader belongs to the preset dangerous area, a brake signal is sent to the train;
if the current position of the invader does not belong to the preset dangerous area, determining the first time when the invader reaches the preset dangerous area corresponding to the current running position of the train according to the detection information.
3. The method of claim 1, wherein determining the corresponding travel signal of the train based on the first time and the second time comprises:
determining whether the first time is greater than the second time;
if the first time is longer than the second time, determining that the running signal corresponding to the train is a normal running signal or an acceleration running signal;
and if the first time is less than or equal to the second time, determining that the running signal corresponding to the train is a brake signal.
4. A method according to claim 2 or 3, characterized in that the method further comprises:
determining whether the travel signal is the brake signal;
and if the driving signal is the braking signal, sending the braking signal to a worker so that the worker drives the invader.
5. A train safety ride, the apparatus comprising:
the system comprises an acquisition module, a detection module and an NWDAF (network access and data acquisition module), wherein the acquisition module is used for acquiring detection information in a preset railway area corresponding to the current running position of a train, the detection information is used for describing whether an invader exists in the preset railway area and the motion state of the invader, and the base station is used for transmitting the detection information in the preset railway area corresponding to the current running position of the train to the NWDAF through multi-access mobile edge calculation;
the first determining module is used for determining the first time when the invader reaches a preset dangerous area corresponding to the current running position of the train according to the detection information;
the second determining module is used for determining a second time when the train arrives at the corresponding driving position of the preset dangerous area;
the third determining module is used for determining a running signal corresponding to the train according to the first time and the second time;
the first sending module is used for sending the driving signal to the train so as to enable the train to avoid the invader;
the detection information includes: the movement speed, movement direction and acquisition time of the detection information of the invader; the first determining module is further configured to determine an arrival position of the intruder at the preset dangerous area according to the movement direction and the current position of the intruder; taking the distance between the arrival position and the current position of the invader as the movement distance of the invader; determining the movement time of the invader reaching the reaching position according to the movement distance and the movement speed of the invader; adding the acquisition time and the movement time to be used as the first time when the invader reaches a preset dangerous area corresponding to the current running position of the train;
the second determining module is further used for determining the current position and the running speed of the train corresponding to the detection information; determining a travel position corresponding to the arrival position in a railway path along which the train travels; determining a running distance between the current position of the train and the running position according to a railway path of the train; determining the running time of the train reaching the running position according to the running distance and the running speed; and adding the acquisition time and the running time to be used as a second time for the train to reach the running position corresponding to the preset dangerous area.
6. The apparatus of claim 5, wherein the apparatus further comprises:
a fourth determining module, configured to determine whether the detection information includes a current location of an intruder;
a fifth determining module, configured to determine whether the current position of the intruder belongs to the preset dangerous area if the detection information includes the current position of the intruder;
the second sending module is used for sending a brake signal to the train if the current position of the invader belongs to the preset dangerous area;
and a sixth determining module, configured to determine, according to the detection information, a first time when the intruder arrives at a preset dangerous area corresponding to the current running position of the train if the current position of the intruder does not belong to the preset dangerous area.
7. An electronic device, comprising: a processor, a memory and a bus, said memory storing machine readable instructions executable by said processor, said processor and said memory communicating via said bus when the electronic device is operating, said machine readable instructions when executed by said processor performing the steps of the train safe driving method according to any of claims 1 to 4.
8. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a computer program which, when executed by a processor, performs the steps of the train safety running method according to any one of claims 1 to 4.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100044339A (en) * | 2008-10-22 | 2010-04-30 | 한국철도기술연구원 | Danger detection system for safety of repairman working on railway line and method of detecting danger |
| CN105636853A (en) * | 2013-07-31 | 2016-06-01 | 埃伦·约瑟夫·卡特兹 | System and method for obstacle identification and avoidance |
| CN107097810A (en) * | 2017-04-30 | 2017-08-29 | 中南大学 | A kind of Along Railway foreign body intrusion UAV Intelligent identification and method for early warning and system |
| CN108466636A (en) * | 2018-03-18 | 2018-08-31 | 昆明创培知识产权服务有限公司 | A kind of track intelligence accident prevention system and control method |
| CN112009524A (en) * | 2020-07-15 | 2020-12-01 | 北京埃福瑞科技有限公司 | System and method for tramcar obstacle detection |
| CN114537474A (en) * | 2020-11-26 | 2022-05-27 | 银河水滴科技（北京）有限公司 | Protection method and device for train running safety |
-
2023
- 2023-02-15 CN CN202310122525.1A patent/CN115848446B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100044339A (en) * | 2008-10-22 | 2010-04-30 | 한국철도기술연구원 | Danger detection system for safety of repairman working on railway line and method of detecting danger |
| CN105636853A (en) * | 2013-07-31 | 2016-06-01 | 埃伦·约瑟夫·卡特兹 | System and method for obstacle identification and avoidance |
| CN107097810A (en) * | 2017-04-30 | 2017-08-29 | 中南大学 | A kind of Along Railway foreign body intrusion UAV Intelligent identification and method for early warning and system |
| CN108466636A (en) * | 2018-03-18 | 2018-08-31 | 昆明创培知识产权服务有限公司 | A kind of track intelligence accident prevention system and control method |
| CN112009524A (en) * | 2020-07-15 | 2020-12-01 | 北京埃福瑞科技有限公司 | System and method for tramcar obstacle detection |
| CN114537474A (en) * | 2020-11-26 | 2022-05-27 | 银河水滴科技（北京）有限公司 | Protection method and device for train running safety |
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