Method for generating real operation scene of driving simulation device

Abstract

The invention discloses a real operation scene generation method of a driving simulation device, and belongs to the technical field of driving simulation. The method comprises the following steps: S1, making line data required by a real operation scene of the simulation driving device; s2, analyzing the line data and visually displaying the line data as a signal plane graph, wherein the signal plane graph comprises stations, station tracks, lines and various trackside facilities; s3, the stations are associated with the station tracks, and a station-train working diagram-route association diagram is generated; s4, a starting station, a starting station track, a terminal station and a terminal track are selected, a driving route is automatically generated, meanwhile, road information is obtained, and a longitudinal section diagram is generated and displayed; and S5, displaying a station track passed by each station in the route in real time, and setting a preset event so as to complete generation of a practical operation scene. The method has the advantages that the real scene and the driving route thereof can be more conveniently and quickly manufactured, and modification and maintenance are easy.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of simulation driving, in particular to a method for generating a running scene of a simulation driving device. BACKGROUND

[0002] In the field of traffic simulation and driving simulation, in order to enable the operating personnel to have a more realistic experience when learning and testing using the simulation driving device, it is usually necessary to use the real line commonly used by the training class to make the corresponding running scene (training or testing scene). When the instructor or instructor is making the running scene, it is necessary to simplify the driving route arrangement and preset event setting, and to improve the efficiency of making the running scene.

[0003] The existing simulation driving device implementation scene making method still has some deficiencies, mainly in the following aspects: (1) In the existing method, the route is arranged by manually switching the switch state to form the driving route, which is relatively complex to operate and has a high learning cost; (2) In the existing method, the automatically arranged route needs to be made in advance. The work load is increased and the correctness of the driving route data needs to be verified additionally; (3) In the existing method, the automatically arranged route cannot automatically avoid the reverse driving route, which does not conform to the actual situation; (4) In the existing method, the automatically arranged route cannot automatically generate the turnaround route, and the manual arrangement of the turnaround route has a larger workload than the ordinary route; (5) In the existing method, after the route is automatically arranged, the actual state of each switch on the route cannot be automatically calculated, which does not conform to the actual situation and affects the understanding of the route by the instructor or instructor; (6) In the existing method, after the route is arranged, the corresponding longitudinal section diagram is not generated, or the ramp curve kilometer mark is not generated, and some special events cannot be preset relying on the ramp curve kilometer mark; (7) In the existing method, after the route is arranged, the events need to be manually preset to the specified position, which is complex to operate and there is a situation that the set position does not conform to the evaluation rules; (8) In the existing method, after the route is arranged and the events are preset, after the site route is re-arranged, the preset events need to be manually preset to the specified position again, which is complicated to operate. SUMMARY

[0004] The present application aims to overcome the deficiencies of the prior art, such as complex implementation scene route establishment, inability to automatically generate a new route when changing the starting / ending station or track, no support for specifying a specified intermediate station and a specified track, and inability to quickly establish a turnaround route, and provides a method for generating a running scene of a simulation driving device.

[0005] The application aims at realizing the following technical scheme: a method for generating an actual operation scene of a simulation driving device, comprising the following steps: S1: preparing line data required for generating an actual operation scene of a simulation driving device; S2: analyzing and visualizing the line data as a signal plan, wherein the signal plan comprises stations, tracks, lines and various trackside facilities; S3: associating the stations with the tracks to generate a "station-train working diagram-line" association diagram; S4: selecting a starting station, a starting track, an ending station and an ending track to automatically generate a train route, and simultaneously acquiring road information to generate and display a profile diagram; S5: displaying each track passed by a station in the train route in real time, and setting preset events, thereby completing the generation of the actual operation scene.

[0006] Preferably, the road information comprises stations, trackside facilities, slopes, curves, kilometer markers and bridges and tunnels.

[0007] Preferably, when a train route needs to be manually arranged, a point on the line is selected as a train route starting point in the signal plan, the switch direction is then switched, and the train route ending point is marked to complete the manual arrangement of the train route.

[0008] Preferably, when a train route cannot be automatically generated, a prompt is given, and the train route is arranged from the selected starting station and starting track to the ending station and ending track. The intermediate stations are by default directly in and out of the stations through the main line tracks, and if the intermediate station tracks are specified, the train route is arranged according to the specified tracks; and the reverse train route is automatically avoided, the turnaround route is automatically generated, and the switch direction is automatically calculated.

[0009] Preferably, the preset events comprise weather and various abnormal states of facilities.

[0010] Preferably, the preset events are set in any one of the following three ways: being dragged according to the positions of trackside facilities on the signal plan, being set according to the positions of kilometer markers or slopes and curves on the profile diagram, and being automatically calculated according to the properties of the preset events. After the preset events are set, they are synchronously displayed on the signal plan and the profile diagram.

[0011] Preferably, when the starting station and its track or the ending station and its track are modified, a new train route is automatically generated according to the modification results. When the tracks passed by the intermediate stations are specified, a new train route is automatically generated according to the specified results.

[0012] Preferably, the S3 further comprises the following steps: Set the station set Wherein S1 is the first station identifier of the current line, and there are K stations in total; Track set of each station Wherein T i The number of tracks of the i-th station; Line section set There are N line sections in total, and ; Line section length , representing the length of the i-th line section; The "station-train working diagram-route" association graph G is a directed graph Wherein the vertex , and ; Wherein the edge , and e ij represents the connection from line seg i to line seg j ; Wherein the weight , and W ij represents the weight from line seg i to line seg j ; .

[0013] Preferably, the S4 further comprises the following steps: Set the start track ; End track ; Running direction from start to end ; New weight ; Use the depth-first search method to find the shortest path R ij from to in the directed graph ; Calculate the train route R according to the shortest path R ij .

[0014] The beneficial effects of the present application are: 1) The present application has the advantages of being more convenient and fast to make and implement scenes and train routes, easy to modify and maintain, etc., which can improve the efficiency of simulation driving device operation personnel in maintaining the implementation scene, has high practical value and user experience. BRIEF DESCRIPTION OF DRAWINGS

[0015] fig. 1 The method flowchart of the present application. DETAILED DESCRIPTION

[0016] The technical solutions of the present application will be described in detail below with reference to the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort belong to the scope of protection of the present application.

[0017] Referring to fig. 1 The present application provides a technical solution: a method for generating an actual operation scene of a simulation driving device, comprising the following steps: S1: preparing line data required for generating an actual operation scene of a simulation driving device; S2: analyzing and visualizing the line data into a signal plan, wherein the signal plan comprises stations, tracks, lines and various trackside facilities; S3: associating stations with tracks to generate a "station-train working diagram-line" association diagram; S4: selecting a starting station, a starting track, an ending station and an ending track to automatically generate a train route, and simultaneously acquiring road information to generate and display a vertical profile diagram; S5: displaying in real time the tracks passed by each station in the train route, and setting preset events, thereby completing the generation of the actual operation scene.

[0018] In the present embodiment, while automatically generating a train route, information of stations, trackside facilities, slopes, curves, kilometer markers, bridges and tunnels on the train route is acquired to generate and display a line vertical profile diagram. The arranged train route is displayed in the signal plan, and the stations passed by each station and the track names of the stations passed by each station can be switched to be viewed. Each station passed by and the track name of the station passed by are displayed in the vertical profile diagram.

[0019] In some embodiments, the road information comprises stations, trackside facilities, slopes, curves, kilometer markers and bridges and tunnels.

[0020] In some embodiments, when a train route needs to be manually arranged, a point on the line is selected as a starting position of the train route in the signal plan, and then the switch direction is switched, and the ending point of the train route is marked to complete the manual arrangement of the train route.

[0021] In some embodiments, when a train route cannot be automatically generated, a prompt is given, and the train route is continuously arranged from the selected starting station and starting track to the ending station and ending track. The intermediate station defaults to enter and exit the station directly through the main track, and if a track of the intermediate station is specified, the train route is arranged according to the specified track; and the reverse train route is automatically avoided, the turning-back route is automatically generated, and the switch direction is automatically calculated.

[0022] In some embodiments, the preset events include weather and abnormal states of various devices.

[0023] In some embodiments, the preset events are set in any one of the following three ways: setting according to the location of trackside equipment on a signal plan, setting according to the location of a kilometer post or a slope curve on a profile, and automatically calculating the setting location according to the properties of the preset event itself; After setting the preset event, the signal plan and the profile are synchronously displayed.

[0024] In some embodiments, when the starting station and its track or the terminal station and its track are modified, a new train route is automatically generated according to the modification result; When the track passed by the intermediate station is specified, a new train route is automatically generated according to the specified result.

[0025] In this embodiment, when the starting station and its track or the terminal station and its track are modified, the running direction and the new weight from the starting station to the terminal station are recalculated in a manner similar to that in S4, and a new train route is calculated by using a depth-first search method to find a new shortest path in the new directed graph.

[0026] When the track passed by the intermediate station is specified , a new train route is automatically generated according to the specified result by the following steps: Set ; the running direction from the starting station to the intermediate station ; the weight ; use a depth-first search method to find a shortest path R from to in the directed graph ik ; the running direction from the intermediate station to the terminal station ; the weight ; use a depth-first search method to find a shortest path R from to in the directed graph kj ; according to the shortest path R ik and the shortest path R kjSplicing and calculating train route .

[0027] In some embodiments, S3 further comprises the following steps: Set station set , where S1 is the first station identifier of the current line, and there are K stations in total; Track set of each station , where T i is the number of tracks of the i-th station; Line segment set , there are N line segments in total, and ; Line segment length , representing the length of the i-th line segment; The "station-train diagram-route" association graph G is a directed graph , where the vertex , and ; Where the edge , and e ij represents the connection from line seg i to line seg j ; Where the weight , and W ij represents the weight from line seg i to line seg j ; .

[0028] In some embodiments, S4 further comprises the following steps: Set start track ; End track ; Running direction from start to end ; New weight ; Using the depth-first search method to find the shortest path R from to in the directed graph ij ; According to the shortest path R ij , calculate the train route R.

[0029] The foregoing is considered as illustrative only of the principles of the application. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the application to the exact construction and operation described. Accordingly, all such variations are intended to be included within the scope of the present application as defined in the claims below and their equivalents.

Claims

1. A method for generating an operational scenario for a driving simulation device, characterized by: The following steps are involved: S1: Create the route data required to implement the driving simulation device operation scenario; S2: parsing and visualizing the line data into a signal plan view, which includes stations, tracks, lines, and various trackside facilities; S3: Associate stations with tracks to generate a "station-train operation diagram-route" association diagram; S4: Select the starting station, starting track, terminal station and terminal track, automatically generate the driving route, and obtain road information to generate and display the longitudinal section; S5: Display the tracks passed by each station in the route in real time and set preset events to complete the generation of the actual operation scenario.

2. The method for generating an operational scenario for a driving simulation device according to claim 1, wherein: The road information includes stations, trackside equipment, ramps, curves, kilometer markers, and roads, bridges, and tunnels.

3. The method for generating an operational scenario for a driving simulation device according to claim 1, wherein: When you need to manually arrange the driving route, select a point on the line in the signal plan as the starting point of the route, then switch the direction of the switch, and then mark the end point of the route to complete the manual arrangement of the driving route.

4. The method for generating an operational scenario for a driving simulation device according to claim 1, wherein: When the train route cannot be automatically generated, a prompt will be given and the train route will be arranged continuously from the selected starting station and starting track to the terminal station and terminal track; By default, intermediate stations enter and exit the station directly through the mainline track. If the intermediate station track is specified, the driving route is arranged according to the specified track; the reverse driving route is automatically avoided, the return route is automatically generated, and the turnout direction is automatically calculated.

5. The method for generating an operational scenario for a driving simulation device according to claim 1, wherein: The preset events include weather and abnormal status of various equipment.

6. The method for generating an operational scenario for a driving simulation device according to claim 1, wherein: The preset event is set in any of the following three ways: by dragging and dropping according to the position of the trackside equipment on the signal plan, by setting according to the kilometer mark or the position of the ramp curve on the longitudinal section, or by automatically calculating the setting position according to the properties of the preset event itself; After setting the preset event, it will be displayed synchronously on the signal plan view and longitudinal section view.

7. The method for generating an operational scenario for a driving simulation device according to claim 1, wherein: When the starting station and its track or the ending station and its track are modified, a new train route is automatically generated based on the modification results; When the track through which the intermediate station passes is specified, a new driving route is automatically generated according to the specified result.

8. The method for generating an operational scenario for a driving simulation device according to claim 1, wherein: The S3 further comprises the following steps: Meet at the station , where S1 is the first station identifier of the current line, and there are K stations in total; Track set at each station ,in T i is the number of tracks at the i-th station; Line segment collection , there are N line segments in total, and ; Line segment length , represents the length of the i-th line segment; The "station-train operation diagram-route" association graph G is a directed graph , where the vertex ,and ; Among them , and e ij Represents the slave line seg i To the line seg j connection; The weight , and W ij Represents the slave line seg i To the line seg j The weight of 。 9. The method for generating an operational scenario for a driving simulation device according to claim 8, wherein: The S4 also The following steps are involved: Set starting point ; Terminal track ; Running direction from starting point to end point ; New weights ; Use depth-first search to find the directed graph Zhongcong arrive The shortest path R ij ; According to the shortest path R ij Calculate the driving route R.

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