CN115848446A - Train safe driving method and device - Google Patents
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Abstract
The application provides a safe train running method and a safe train running 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 intruder exists in the preset railway area and the motion state of the intruder; 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; determining second time when the train reaches a corresponding driving position of the preset dangerous area; determining a running signal corresponding to the train according to the first time and the second time; and sending the driving signal to the train so as to enable the train to avoid an intruder. According to the method and the device, whether the intruder can collide with the train or not is judged by determining the time when the intruder enters the preset dangerous area and the time when the train runs to the running position corresponding to the preset dangerous area, and the train is sent with a running signal according to a judgment result so that the train can avoid the intruder in time.
Description
Technical Field
The application relates to the technical field of railway safety, in particular to a safe train running method and device.
Background
In the prior art, cameras are densely arranged near a railway, whether wild animals exist is determined by manually determining pictures shot by the cameras, if the wild animals are about to arrive at 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 sends an instruction to a related train, so that the train avoids the wild animals with low timeliness.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a method and an apparatus for safely driving a train, which determine a time when an intruder enters a preset dangerous area and a time when the train drives to a driving position corresponding to the preset dangerous area, determine whether the intruder will collide with the train, and send a driving signal to the train according to a determination result, so that the train can avoid the intruder in time, thereby solving a technical problem that the train cannot avoid in time due to manual checking of a shot picture in the prior art, and achieving a technical effect of improving a timeliness 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 train safe driving, 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 intruder exists in the preset railway area and the motion state of the intruder; 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; determining second time when the train reaches a corresponding running position of the preset dangerous area; determining a running 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 intruder.
Optionally, the detecting information includes: after the current position of the intruder 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 the following steps: determining whether the detection information contains the current position of the intruder; if the detection information contains the current position of the intruder, determining whether the current position of the intruder belongs to the preset danger area; if the current position of the intruder belongs to the preset dangerous area, sending a brake signal to the train; and if the current position of the intruder does not belong to the preset dangerous area, determining the first time when the intruder reaches the preset dangerous area corresponding to the current running position of the train according to the detection information.
Optionally, the detecting information includes: the motion speed and the motion direction of the intruder and the acquisition time for acquiring the detection information; according to the detection information, determining the first time when the intruder reaches a preset dangerous area corresponding to the current running position of the train, including: determining the arrival position of the intruder reaching 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 intruder as the movement distance of the intruder; determining the movement time of the intruder reaching the arrival position according to the movement distance and the movement speed of the intruder; and adding the acquisition time and the movement time to be used as the first time when the intruder reaches a preset dangerous area corresponding to the current running position of the train.
Optionally, determining a second time when the train reaches the driving position corresponding to 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 traveled by the train; determining a running distance between the current position of the train and the running position according to the railway path of the train running; 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 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 driving signal corresponding to the train is a brake signal.
Optionally, the method further comprises: determining whether the driving signal is the braking signal; and if the driving signal is the braking signal, the braking signal is sent to a worker, so that the worker drives the invader.
In a second aspect, an embodiment of the present application further provides a train safety driving device, where the device includes: the system comprises an acquisition module, a detection module and a control 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, and the detection information is used for describing whether an intruder exists in the preset railway area and the motion state of the intruder; the first determining module is used for 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; the second determining module is used for determining second time when the train reaches the corresponding running 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 that the train avoids the intruder.
Optionally, the detecting information includes: the current location of the intruder, the apparatus further comprising: a fourth determining module, configured to determine whether there is an intruder in the preset railway area according to the detection information; a fifth determining module, configured to determine whether a current location of an intruder belongs to the preset dangerous area if the preset railway area has the intruder; the second sending module is used for sending a brake signal to the train if the current position of the intruder belongs to the preset dangerous area; and the sixth determining module is used for determining the first time when the intruder reaches the preset dangerous area corresponding to the current running position of the train according to the detection information 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, wherein the memory stores machine-readable instructions executable by the processor, when the electronic device is operated, the processor and the memory communicate with each other through the bus, and the machine-readable instructions are executed by the processor to perform the steps of the train safe driving method according to the first aspect or any one of the possible embodiments of the first aspect.
In a fourth aspect, an embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and the computer program is executed by a processor to perform the steps of safely driving a train as described in the first aspect or any one of the possible implementation manners of the first aspect.
The embodiment of the application provides a method and a device for safe train running, the method is applied to a network data analysis function NWDAF, and the method 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 intruder exists in the preset railway area and the motion state of the intruder; 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; determining second time when the train reaches 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 intruder. Whether the intruder can collide with the train or not is judged by determining the time when the intruder 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 a judgment result, so that the train can avoid the intruder in time, the technical problem that the train cannot avoid in time due to the fact that a shooting picture is manually checked in the prior art is solved, and the technical effect of improving the timeliness rate of the train for avoiding the intruder is achieved.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 shows a flowchart of a method for safely driving a train according to an embodiment of the present application.
Fig. 2 shows a schematic diagram of a preset railway area provided by an embodiment of the present application.
Fig. 3 shows a schematic diagram of a preset danger area provided by an embodiment of the present application.
Fig. 4 is a schematic diagram illustrating an intruder reaching a preset danger area according to an embodiment of the present invention.
Fig. 5 shows an interaction 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 provided in an embodiment of the present application.
Fig. 7 shows a schematic structural diagram of an electronic device provided in an embodiment of the present application.
Detailed Description
To make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the drawings in the present application are for illustrative and descriptive purposes only and are not used to limit the scope of protection of the present application. Additionally, it should be understood that the schematic drawings are not necessarily drawn to scale. The flowcharts used in this application illustrate operations implemented according to some embodiments of the present application. It should be understood that the operations of the flow diagrams may be performed out of order, and that steps without logical context may be performed in reverse order or concurrently. One skilled in the art, under the guidance of this application, may add one or more other operations to, or remove one or more operations from, the flowchart.
In addition, the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
Among the prior art, through installing a large amount of cameras along the railway, the artifical control picture of looking over the camera and shooing confirms whether there is the intruder to endanger train safety and go in real time, thereby the artifical video of looking over can lead to discovering the intruder untimely influence train safety and go to it is great to install a large amount of cameras and need a large amount of personnel to look over the cost of control picture.
Based on this, the embodiment of the application provides a train safe driving method and device, whether an intruder can collide with a train is judged by determining the time when the intruder enters a preset dangerous area and the time when the train drives to a driving position corresponding to the preset dangerous area, and a driving signal is sent to the train according to a judgment result, so that the train can avoid the intruder in time, the technical problem that the train cannot avoid in time due to the fact that a shooting picture is manually checked in the prior art is solved, and the technical effect of improving the timeliness of the train for avoiding the intruder is achieved. The method comprises the following specific steps:
referring to fig. 1, fig. 1 is a flowchart illustrating a method for safely driving a train according to an embodiment of the present disclosure. As shown in fig. 1, the method for safely driving a train provided in the embodiment of the present application is applied to a Network Data analysis Function NWDAF (Network Data analysis 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 intruder exists in the preset railway area or not and the motion state of the intruder. If there is an intruder in the preset railway area, the detection information includes: the current position of the intruder, the moving speed and the moving direction of the intruder, and the acquisition time for acquiring the detection information. That is, if there is an intruder in the preset railway area, the current position of the intruder, the movement speed of the intruder, and the movement direction corresponding to each acquisition time are obtained. If no intruder exists in the preset railway area, the detection information is null, namely the current position, the movement speed, the movement direction and the acquisition time of the intruder do not exist 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 in the running process of the train, taking the current position of the preset position on the train body as the current position of the train.
Referring to fig. 2, fig. 2 is a schematic diagram of a predetermined railway area according to an embodiment of the present application. As shown in fig. 2, if the current position of the train head is taken as the current position of the train, the two rails of the railway are taken as the first rail and the second rail, and the railway outer area is divided into an area outward of the first rail (an area to the left of the first rail) and an area outward of the second rail (an area to the right of the second rail). And 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 made from the first intersection point to the outward area of the first track 1,1 ，L 1,1 Is 50 m, segment L 1,1 The end point except the first intersection point is marked as a first starting point, and a line segment L perpendicular to the straight line is made from the second intersection point to the outward area of the second track 1,2 ，L 1,2 Is 50 m, segment L 1,2 The end points except the second intersection point are marked as a second starting point. Drawing a parallel first track from a first starting point along the running direction of the trainAnd a second road section parallel to the second track is drawn from the second starting point along the running direction of the train, and the length of the first road section and the length of the second road section are 10 kilometers. That is, the first road segment and the second road segment do not need to be straight line segments, and it is only necessary to ensure that a perpendicular line is drawn from any point on the first road segment to the first track, the perpendicular line and the line segment L 1,1 Parallel to each other and with the length of the perpendicular line L 1,1 Is the same, the same applies to the second road section. And recording the end points except the first starting point in the first road section as a first end point, and recording the end points except the second starting point in the second road section as a second end point. Making a perpendicular line and a line segment L from the first end point to the first track 1,1 A closed area formed by combining the first road section and the first track, and a second end point making a perpendicular line and a line segment L to the second track 1,2 And the closed area of the combination of the second road section and the second track is used as a preset railway area (namely, a shaded area in fig. 2) corresponding to the current running position of the train.
Referring to fig. 3, fig. 3 is a schematic view of a preset danger area according to an embodiment of the present disclosure. As shown in fig. 3, if the current position of the train head is taken as the current position of the train, the two rails of the railway are taken as the first rail and the second rail, and the outer area of the railway is divided into an area outward of the first rail (an area to the left of the first rail) and an area outward of the second rail (an area to the right of the second rail). And 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 made from the first intersection point to the outward area of the first track 2,1 ，L 2,1 Is 3 m, segment L 2,1 The end points except the first intersection point are marked as third starting points. A line segment L perpendicular to the straight line is made from the second intersection point to the outward area of the second track 2,2 ，L 2,2 Is 3 m, segment L 3,2 The end points except the second intersection point are marked as a fourth starting point. Drawing a third road segment parallel to the first track from a third starting point along the running direction of the train, and drawing a fourth road segment parallel to the second track from a fourth starting point along the running direction of the trainAnd the length of the four road sections, the third road section and the fourth road section is 10 kilometers. The third road section and the fourth road section do not need to be straight line sections, and only need to ensure that a perpendicular line is drawn from any point on the third road section to the third track, and the perpendicular line and the line section L are 2,1 The lengths of the parallel and perpendicular lines are all equal to the line segment L 2,1 Is the same, and the same applies to the fourth section. And recording the end points of the third road section except the third starting point as a third end point, and recording the end points of the fourth road section except the fourth starting point as a fourth end point. Making a perpendicular line and a line segment L from the third end point to the first track 2,1 A third road section and a first track combined closed area, and a fourth end point making a perpendicular line and a line segment L to the second track 2,2 And the closed area of the combination of the fourth road section and the second track is used as a preset dangerous area, namely a preset dangerous area (namely a shaded area in figure 3) corresponding to the current driving position of the train.
After the detection information in the preset railway area corresponding to the current running position of the train is obtained, the method further comprises the following steps: determining whether the detection information contains the current position of the intruder; if the detection information contains the current position of the intruder, determining whether the current position of the intruder belongs to the preset danger area; if the current position of the intruder belongs to the preset dangerous area, sending a brake signal to the train; and if the current position of the intruder does not belong to the preset dangerous area, determining the first time when the intruder reaches the preset dangerous area corresponding to the current running position of the train according to the detection information.
That is to say, after the detection information is obtained, whether an intruder exists in the preset railway area is determined according to whether the current position of the intruder is included in the detection information. If the detection information contains the current position of the intruder, determining that the intruder exists in the preset railway area, and determining whether the current position of the intruder belongs to the preset dangerous area; and if the current position of the intruder is not contained in the detection information, determining that no intruder exists 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 intruder belongs to the preset danger area, sending a brake signal to the train; and if it is determined that an intruder exists in the preset railway area and the current position of the intruder does not belong to the preset dangerous area, determining the first time when the intruder arrives at 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 the preset dangerous area corresponding to the current running position of the train according to the detection information.
According to the detection information, determining the first time when the intruder reaches a preset dangerous area corresponding to the current running position of the train, including: determining the arrival position of the intruder reaching 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 intruder as the movement distance of the intruder; determining the movement time of the intruder reaching the arrival position according to the movement distance and the movement speed of the intruder; and adding the acquisition time and the movement time to be used as the first time when the intruder reaches a preset dangerous area corresponding to the current running position of the train.
Referring to fig. 4, fig. 4 is a schematic view illustrating an intruder arriving at a predetermined danger area according to an embodiment of the present disclosure. As shown in fig. 4, if the intruder is located in the outward area of the first track, taking the current position of the intruder as a starting point, making a straight line along the moving direction of the intruder, and determining whether the straight line intersects with the third road segment of the preset dangerous area; if the straight line is intersected with the third road section of the preset dangerous area, taking the intersection point of the straight line and the third road section of the preset dangerous area as the arrival position of the intruder to the preset dangerous area; if the straight line does not intersect with the third road section of the preset dangerous area, the intruder is ignored. Distance d between the arrival position and the current position of the intruder 1 As the moving distance of the intruder, d 1 And comparing the movement speed with the movement speed of the intruder to obtain the movement time of the intruder. Adding the acquisition time and the movement time to be used as the current running of the intruder arriving at the trainAnd presetting the first time of the dangerous area corresponding to the position. That is, the first time is a time when the intruder is predicted to reach the corresponding arrival location of the intruder.
S103: and determining second time when the train reaches the corresponding driving position of the preset dangerous area.
Determining a second time when the train reaches a 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 traveled by the train; determining a running distance between the current position of the train and the running position according to the railway path on which the train runs; 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 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 outward area of the first track, taking the current position of the intruder as a starting point, making a straight line along the moving direction of the intruder, and determining whether the straight line intersects with the third road segment of the preset dangerous area; if the straight line intersects with the third road section of the preset dangerous area, taking the intersection point of the straight line and the third road section of the preset dangerous area as the arrival position of the invader to the preset dangerous area; if the straight line does not intersect with the third road section of the preset dangerous area, the intruder is ignored. And making a vertical line from the current position of the intruder to the first track, and taking the intersection point of the vertical line and the running path of the train as the running position corresponding to the arrival position in the railway path where the train runs. Determining the running distance d between the current position and the running position of the train according to the running 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 route on which the train travels determined by the behavior 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 on the railway route. Will travel a distance d 2 Making a ratio with the running speed of the train, and taking the ratio as the corresponding running of the train when the train reaches the preset dangerous areaA second time of the location.
S104: and determining a running signal corresponding to the train according to the first time and the second time.
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 driving signal corresponding to the train is a brake signal.
That is, the running signals include a normal running signal, an acceleration running signal, and a braking signal. If the first time is longer than the second time, the intruder is considered not to collide with the train, and a normal running signal or an acceleration running signal is sent to the train so that the train runs normally or accelerates; and if the first time is less than or equal to the second time, sending a brake signal to the train to brake the train to avoid an intruder.
S105: and sending the driving signal to the train so as to enable the train to avoid an intruder.
The method further comprises the following steps: determining whether the driving signal is the braking signal; and if the driving signal is the braking signal, the braking signal is sent to a worker, so that the worker drives the invader.
That is, a driving signal may also be transmitted to the operator, so that the operator assists the train to avoid an intruder.
Referring to fig. 5, fig. 5 is an interactive schematic view of a train safety driving method according to an embodiment of the present disclosure. 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 to say, the infrared remote sensing module, the positioning module and the speed measuring module installed on the base station detect and obtain the detection information in the preset railway area corresponding to the current driving 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: and the NWDAF determines a running signal corresponding to the train according to the detection information.
That is, the NWDAF performs the train safety driving method of the foregoing steps S101 to S104 to determine the driving signal corresponding to the train, and the specific implementation method is the same as that described above, and is not repeated herein.
S204: the NWDAF transmits a travel signal to the MEC.
S205: the MEC transmits the travel signal to the base station.
That is to say, after receiving the driving signal, the base station sends the driving signal to the train or the staff, so that the train normally drives, accelerates or brakes according to the driving signal, or the staff enters a preset dangerous area to drive an intruder after receiving the braking signal.
Based on the same application concept, the embodiment of the present application further provides a train safe driving device corresponding to the train safe driving method provided by the above embodiment, and as the principle of solving the problem of the device in the embodiment of the present application is similar to that of the train safe driving method in the above embodiment of the present application, the implementation of the device can refer to the implementation of the method, and repeated details are not repeated.
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 running 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 sending module 105.
The system comprises an acquisition module 101, a detection module and a control module, wherein the acquisition module 101 is used for acquiring detection information in a preset railway area corresponding to the current running position of a train, and the detection information is used for describing whether an intruder exists in the preset railway area and the motion state of the intruder; the first determining module 102 is configured to determine, according to the detection information, a first time when the intruder reaches a preset dangerous area corresponding to the current driving position of the train; the second determining module 103 is configured to determine a second time when the train reaches the driving position corresponding to 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; a first sending module 105, configured to send the driving signal to the train, so that the train avoids the intruder.
The train safety driving device further comprises: a fourth determining module, configured to determine whether there is an intruder in the preset railway area according to the detection information; a fifth determining module, configured to determine whether a current location of an intruder belongs to the preset danger area if the predetermined railway area has the intruder; the second sending module is used for sending a brake signal to the train if the current position of the intruder belongs to the preset dangerous area; and the sixth determining module is used for determining the first time when the intruder reaches the preset dangerous area corresponding to the current running position of the train according to the detection information 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 provided in the embodiment of the present application is shown, where the electronic device 20 includes: a processor 201, a memory 202 and a bus 203, wherein the memory 202 stores machine-readable instructions executable by the processor 201, when the electronic device 20 is operated, the processor 201 communicates with the memory 202 through the bus 203, and the machine-readable instructions are operated by the processor 201 to perform the steps of the train safe driving method according to any one 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 intruder exists in the preset railway area and the motion state of the intruder; 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; determining second time when the train reaches a corresponding driving position of the preset dangerous area; determining a running 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 intruder.
Based on the same application concept, embodiments of the present application further provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the train safe driving method provided by the above embodiments are executed.
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 operated, the train safety driving method can be executed, whether the intruder can collide with the train is judged by determining the time when the intruder enters the preset dangerous area and the time when the train drives to the driving position corresponding to the preset dangerous area, and a driving signal is sent to the train according to the judgment result, so that the train can avoid the intruder in time, the technical problem that the train cannot avoid in time due to the fact that a shooting picture is manually checked in the prior art is solved, and the technical effect of improving the timeliness of the train avoiding the intruder is achieved.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and 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 ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed 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 can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into 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 such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present application, and shall cover the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A train safe driving method is applied to a network data analysis function (NWDAF), and comprises the following steps:
the method comprises the steps of obtaining 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 intruder exists in the preset railway area or not and the motion state of the intruder;
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;
determining second time when the train reaches a corresponding driving position of the preset dangerous area;
determining a running 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 intruder.
2. The method according to claim 1, wherein after the detection information in the preset railway area corresponding to the current driving position of the train is obtained, the method further comprises:
determining whether the detection information contains the current position of the intruder;
if the detection information contains the current position of the intruder, determining whether the current position of the intruder belongs to the preset danger area;
if the current position of the intruder belongs to the preset danger area, sending a brake signal to the train;
and if the current position of the intruder does not belong to the preset dangerous area, determining the first time when the intruder reaches the preset dangerous area corresponding to the current running position of the train according to the detection information.
3. The method of claim 2, wherein the detecting information comprises: the motion speed and the motion direction of the intruder and the acquisition time for acquiring the detection information;
according to the detection information, determining the first time when the intruder reaches a preset dangerous area corresponding to the current running position of the train, including:
determining the arrival position of the intruder arriving 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 intruder as the movement distance of the intruder;
determining the movement time of the intruder reaching the arrival position according to the movement distance and the movement speed of the intruder;
and adding the acquisition time and the movement time to be used as the first time when the intruder reaches a preset dangerous area corresponding to the current running position of the train.
4. The method of claim 3, wherein the determining a second time for the train to reach the corresponding driving location of the preset danger zone comprises:
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 traveled by the train;
determining a running distance between the current position of the train and the running position according to the railway path of the train running;
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 second time for the train to reach the running position corresponding to the preset dangerous area.
5. The method of claim 1, wherein determining the travel signal corresponding to the train according to 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 driving signal corresponding to the train is a brake signal.
6. The method of claim 2 or 5, further comprising:
determining whether the driving signal is the braking signal;
and if the driving signal is the braking signal, the braking signal is sent to a worker, so that the worker drives the invader.
7. A safe-running device for a train, comprising:
the system comprises an acquisition module, a detection module and a control 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, and the detection information is used for describing whether an intruder exists in the preset railway area and the motion state of the intruder;
the first determining module is used for 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;
the second determining module is used for determining second time when the train reaches the corresponding running 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 that the train avoids the intruder.
8. The apparatus of claim 7, further comprising:
a fourth determining module, configured to determine whether the detection information includes a current location of the intruder;
a fifth determining module, configured to determine whether the current location of the intruder belongs to the preset danger area if the detection information includes the current location of the intruder;
the second sending module is used for sending a brake signal to the train if the current position of the intruder belongs to the preset dangerous area;
and the sixth determining module is used for determining the first time when the intruder arrives at the preset dangerous area corresponding to the current running position of the train according to the detection information if the current position of the intruder does not belong to the preset dangerous area.
9. An electronic device, comprising: a processor, a memory and a bus, the memory storing machine readable instructions executable by the processor, the processor and the memory communicating over the bus when the electronic device is operated, the machine readable instructions being executed by the processor to perform the steps of the train safe driving method according to any one of claims 1 to 6.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a computer program which, when being executed by a processor, performs the steps of the train safe driving method according to any one of claims 1 to 6.
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