Maintenance vehicle route creation system, information processing device, maintenance vehicle route creation method, and maintenance vehicle route creation program

Abstract

To provide a maintenance vehicle route creation system that can create a route to be able to be uniquely recognized.SOLUTION: A maintenance vehicle route creation system 100 creates a route through which a maintenance vehicle used for maintenance work of a railroad facility passes, and a schedule used when the maintenance vehicle passes through the route. The maintenance vehicle route creation system 100 also includes an information processing device 1 comprising: a route information acquisition unit 13 for acquiring route information that is information about the railroad facility in a target section of the maintenance work; and a route calculation unit 11 for calculating the route and schedule based on the route information. The route information includes track information used for identifying each of multiple tracks running in parallel. The route calculation unit 11 calculates the route including the track information about a track through which the maintenance vehicle passes.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] This disclosure relates to a maintenance vehicle route creation system, an information processing device, a maintenance vehicle route creation method, and a maintenance vehicle route creation program, which create routes for maintenance vehicles and schedules for maintenance vehicles to travel along those routes. [Background technology]

[0002] Maintenance work on railway equipment is carried out during limited hours outside of operating hours. To operate maintenance vehicles used for railway equipment maintenance work during these off-hours, routes and schedules for their use are created.

[0003] Patent Document 1 discloses a system for creating a maintenance vehicle schedule based on information such as the date and time and content of maintenance work, the operating section and operating time of the maintenance vehicle, and prohibited actions. [Prior art documents] [Patent Documents]

[0004] [Patent Document 1] Japanese Patent Application Publication No. 6-332917 [Overview of the Initiative] [Problems that the invention aims to solve]

[0005] The train schedule created by the system described in Patent Document 1 does not indicate which track to use when multiple tracks run parallel, such as in a station with multiple platforms. Therefore, there is a problem in that it can be difficult to uniquely identify the route for maintenance vehicles.

[0006] This disclosure is made in view of the above, and aims to provide a maintenance vehicle route creation system that can create a route that can be uniquely recognized. [Means for solving the problem]

[0007] To solve the aforementioned problems and achieve the objectives, the maintenance vehicle route creation system according to this disclosure is a maintenance vehicle route creation system that creates a route for a maintenance vehicle used for maintenance work on railway equipment, and a schedule for the maintenance vehicle to travel along that route. The maintenance vehicle route creation system according to this disclosure has an information processing device comprising: a route information acquisition unit that acquires route information, which is information about the railway equipment in the section that is the target of maintenance work; and a route calculation unit that calculates a route and a schedule based on the route information. The route information includes track information used to identify each of the multiple parallel tracks. The route calculation unit calculates a route that includes track information of the track on which the maintenance vehicle will travel. [Effects of the Invention]

[0008] The maintenance vehicle route creation system described in this disclosure has the effect of creating routes that can be uniquely recognized. [Brief explanation of the drawing]

[0009] [Figure 1] This figure shows an example configuration of the maintenance vehicle route creation system according to Embodiment 1. [Figure 2] Flowchart showing the operation procedure of the information processing device included in the maintenance vehicle route creation system according to Embodiment 1. [Figure 3] This figure shows an example of maintenance vehicle route data output by the output device of the maintenance vehicle route creation system according to Embodiment 1. [Figure 4] This figure shows an example of a maintenance vehicle route diagram output by the output device of the maintenance vehicle route creation system according to Embodiment 1. [Figure 5] This figure shows an example of an annotation to be included in the maintenance vehicle route diagram in Embodiment 1. [Figure 6] This figure shows an example of the configuration of the route calculation unit when calculating maintenance vehicle route data or maintenance vehicle route diagram using machine learning in Embodiment 1. [Figure 7]Figure showing a configuration example of a learning device included in a travel route calculation unit shown in FIG. 6 [Figure 8] Figure showing a configuration example of an inference device included in a travel route calculation unit shown in FIG. 6 [Figure 9] Figure showing a hardware configuration example of an information processing device included in a maintenance vehicle travel route creation system according to Embodiment 1

Mode for Carrying Out the Invention

[0010] Hereinafter, a maintenance vehicle travel route creation system, an information processing device, a maintenance vehicle travel route creation method, and a maintenance vehicle travel route creation program according to an embodiment will be described in detail based on the drawings.

[0011] Embodiment 1. FIG. 1 is a diagram showing a configuration example of a maintenance vehicle travel route creation system 100 according to Embodiment 1. The maintenance vehicle travel route creation system 100 creates a travel route through which a maintenance vehicle passes and a schedule when the maintenance vehicle passes through the travel route. The maintenance vehicle is a vehicle used for maintenance work on railway facilities. In Embodiment 1, the maintenance vehicle is a measurement vehicle that measures at least one of the shape of a structure that is railway facilities and the position of a structure that is railway facilities.

[0012] The maintenance vehicle travel route creation system 100 includes an information processing device 1, an input device 2, a database 3, and an output device 4.

[0013] The information processing device 1 is configured by, for example, one or more cloud servers. The cloud server is a server constructed in a cloud environment including computer resources provided in a cloud service home. Note that the information processing device 1 may be a server other than a cloud server, for example, an on-premises server. The information processing device 1 is managed by, for example, a provider that provides a service using the maintenance vehicle travel route creation system 100.

[0014] The input device 2 and the output device 4 are used by a maintenance contractor who performs maintenance work on railway facilities. Each of the input device 2 and the output device 4 is connected to the information processing device 1 via a network. Each of the input device 2 and the output device 4 communicates with the information processing device 1 via the network. The network is, for example, a WAN (Wide Area Network) such as the Internet, but it may also be a LAN (Local Area Network). The input device 2 receives an information input operation and transmits the input information to the information processing device 1. The output device 4 receives the information output from the information processing device 1 and outputs the received information.

[0015] The input device 2 includes peripheral devices used for information input, such as a keyboard, a mouse, a keypad, or a touch panel. The output device 4 includes peripheral devices used for information output, such as a display, a monitor, or a printer. The input device 2 and the output device 4 may be realized by a common computer system.

[0016] The database 3 is stored in an external storage device of the information processing device 1. In FIG. 1, only the database 3 of the storage device is illustrated. Note that the database 3 may be stored inside the information processing device 1.

[0017] The information processing device 1 includes an acquisition unit 10 that acquires information, a route calculation unit 11, and an output unit 12. The acquisition unit 10 includes a route information acquisition unit 13, a measurement range information acquisition unit 14, a working time information acquisition unit 15, a running time information acquisition unit 16, and a constraint condition acquisition unit 17.

[0018] Input device 2 receives route information, measurement range information, work time information, travel time information, and constraints. Route information is information about the railway equipment in the section targeted for maintenance work. Measurement range information indicates the range in which the measurement vehicle will perform measurements. Work time information is information about the time it takes to perform maintenance work. Travel time information is information about the time required for the maintenance vehicle to travel. Constraints are conditions that indicate the constraints on the route taken by the maintenance vehicle. Details of route information, measurement range information, work time information, travel time information, and constraints will be described later. Input device 2 transmits each of the input information to information processing device 1.

[0019] The route information acquisition unit 13 acquires route information transmitted from the input device 2. The measurement range information acquisition unit 14 acquires measurement range information transmitted from the input device 2. The work time information acquisition unit 15 acquires work time information transmitted from the input device 2. The travel time information acquisition unit 16 acquires travel time information transmitted from the input device 2. The constraint condition acquisition unit 17 acquires constraint conditions transmitted from the input device 2. The acquisition unit 10 outputs each acquired piece of information to the route calculation unit 11.

[0020] The route calculation unit 11 calculates the route and schedule based on route information, measurement range information, work time information, travel time information, and constraints. The route calculation unit 11 outputs the route and schedule calculation results to the output unit 12. The calculation result is maintenance vehicle route data, which includes data showing the route and data showing the schedule. Alternatively, the calculation result is a maintenance vehicle route diagram, which is a diagram representing the route. The output unit 12 transmits the route and schedule calculation results to the output device 4.

[0021] Output device 4 receives the route and schedule calculation results transmitted from output unit 12. Output device 4 outputs the received calculation results. That is, output device 4 outputs maintenance vehicle route data or maintenance vehicle route diagram.

[0022] Database 3 stores maintenance vehicle route data or maintenance vehicle route diagrams previously created by maintenance companies. At least a portion of the route information, measurement range information, work time information, travel time information, and constraint information may be input from Database 3 to Information Processing Device 1. That is, the acquisition unit 10 may acquire at least a portion of the above-mentioned information from the maintenance vehicle route data or maintenance vehicle route diagrams in Database 3. The acquisition unit 10 may also acquire at least a portion of the above-mentioned information by modifying the information acquired from the maintenance vehicle route data or maintenance vehicle route diagrams in Database 3. The input device 2 may accept operations for modifying the information.

[0023] Next, we will describe the details of each piece of information input from the input device 2 or database 3 to the information processing device 1. Here, the maintenance vehicle is defined as a measurement vehicle that measures the shape of railway equipment while acquiring position data using GPS (Global Positioning System). This measurement vehicle uses a laser scanner equipped with a high-density laser to measure the shape of railway equipment. The railway equipment to be measured is, for example, a railway track. The railway equipment to be measured may also be other railway equipment besides railway tracks, such as a tunnel.

[0024] The information input to the information processing device 1 includes information that is essential for creating routes and schedules, and information that is optional for improving the accuracy of route and schedule creation. The information input to the information processing device 1 also includes information specific to the measurement vehicle used in Embodiment 1.

[0025] Route information is information about the railway equipment in the entire section that is the target of maintenance work. Route information includes the line name, station names, track layout information, track information, junction information, and level crossing information. Track information is information used to identify each of multiple parallel tracks. The station names included in the route information are the names of stations that exist within the target section. The station names included in the route information are the names of stations near the starting point of the route, stations near the ending point of the route, and stations between these two stations. The starting point is the position where the measurement vehicle begins its journey. The ending point is the position where the measurement vehicle ends its journey. Track layout refers to the wiring for supplying power to trains and other vehicles running on the tracks.

[0026] Track information for multiple tracks within a station premises includes, for example, the track number assigned to each of the multiple tracks, or the platform number used for boarding and alighting trains on the tracks. Junction information includes the location information and name of the junction installed on the track. Junction information may also include information about the track diverting device installed on the track. Level crossing information includes the location information of the level crossing over which the track passes, the name of the level crossing, and information about the width of the level crossing. Route information also includes information indicating whether it is possible to load a measurement vehicle onto the track and whether it is possible to derail the measurement vehicle. Loading onto the track means that the vehicle is placed on the track, making it possible to travel on the track. Derailment means that the vehicle is moved from the track to outside the track. This information regarding loading onto and derailment may be manually added to the maintenance vehicle route data or maintenance vehicle route diagram after the maintenance vehicle route data or maintenance vehicle route diagram has been created.

[0027] Furthermore, the route information includes information about trains that are parked outside of business hours, known as overnight parked trains. This information includes the location of the overnight parked trains and information indicating whether the parking location can be changed. For trains whose parking location can be changed, the information about overnight parked trains may also include information about the new location.

[0028] Route information includes tunnel information to improve the accuracy of route and schedule creation. This tunnel information includes the location and name of the tunnel. It also includes information about the tunnel's shape, such as horseshoe, box, single track, double track individual, or double track combined. In addition, route information may include information about sections where measurement vehicles cannot pass. Sections where measurement vehicles cannot pass include, for example, sections where competing construction work is being carried out in parallel with maintenance work. Furthermore, route information may include information specific to the use of measurement vehicles, such as information about locations where positioning signals from GPS satellites can be acquired.

[0029] If the calculation result by the route calculation unit 11 is a maintenance vehicle route diagram, the route information includes information related to the creation of the maintenance vehicle route diagram. Information related to the creation of the maintenance vehicle route diagram includes information on the symbols used in the maintenance vehicle route diagram and information on the legend in the maintenance vehicle route diagram. The symbols used in the maintenance vehicle route diagram include figures representing stations, figures representing junctions, figures representing the direction of travel of the measurement vehicle, figures representing the measurement range, figures representing the position where the measurement vehicle is placed on the track, figures representing the position where the measurement vehicle is derailed, and figures representing turnaround points.

[0030] The legend includes details about the shapes, such as size, shape, color, pattern, transparency, and spacing between shapes. The legend also includes details about the text displayed on the maintenance vehicle route diagram, such as font, size, and color. Furthermore, basic information related to the creation of the maintenance vehicle route diagram is also included, such as page settings (size and orientation of the paper on which the diagram is displayed), the vertical and horizontal dimensions of the diagram, and the margins of the paper. The vertical and horizontal dimensions are, for example, defined as the width of a grid. The paper size refers to the size of the paper when printing the maintenance vehicle route diagram.

[0031] The measurement range information includes information indicating the range in which the measurement will be performed. The measurement range information includes the name of the specific equipment that is the measurement start point, or information indicating the location of the measurement start point. The measurement range information includes the name of the specific equipment that is the measurement end point, or information indicating the location of the measurement end point. The measurement range information may also include, as information to improve the accuracy of route and schedule creation, the name of equipment that serves as a landmark near the measurement start point, or information indicating the location of such equipment, and the name of equipment that serves as a landmark near the measurement end point, or information indicating the location of such equipment.

[0032] Furthermore, the measurement range information includes information indicating the classification of the tracks, such as up, down, Line A, Line B, local line, or express line. The measurement range information also includes the line number or platform number at the station through which the tracks pass. The measurement range information may also include information indicating the name or location of landmark equipment near the turnaround point, as information related to improving the accuracy of route and schedule creation. The turnaround point is the point where the measurement vehicle reverses its direction of travel. In addition, the measurement range information may include information specific to the use of a measurement vehicle, indicating the distance of the portion of the route that needs to overlap with other routes.

[0033] The work time information includes information about the power supply suspension procedure, specifically information indicating the section where the power supply suspension procedure is performed and information indicating the time period during which the power supply suspension procedure is performed. The power supply suspension procedure is the procedure for stopping the power supply to the wiring. If the section where the power supply suspension procedure is performed is included in the target section, the work time information will include information about the power supply suspension procedure.

[0034] Furthermore, the work time information includes information about track closure procedures, specifically information indicating the section of track where the closure procedure is to be performed and information indicating the time period during which the closure procedure is to be performed. Track closure procedures are procedures to prevent trains from entering the area. Based on the information about the suspension of supply procedures and the information about the track closure procedures, the maximum amount of time that can be allocated to maintenance work can be determined.

[0035] The work time information may include, as information for improving the accuracy of route and schedule creation, information on loading time (the time required to load the measurement vehicle onto the track), information on derailment time (the time required to derail the measurement vehicle), and information on buffer time. Buffer time is the time between the completion of derailment and the lifting of the track closure. Loading time, derailment time, and buffer time are included in the work time when the measurement vehicle is not running.

[0036] The work time information may include, as information specific to the use of a measurement vehicle, information on the time required for adjusting the high-density laser at the start of measurement, and information on the time required for adjusting the laser Doppler velocimeter (LDV) at the start of measurement. The work time information may also include, as information specific to the use of a measurement vehicle, information on the time required for azimuth angle calibration and initial satellite geostationary, information on the time required for intermediate satellite geostationary, information on the number of times intermediate satellite geostationary is performed, information on the time required for parameter adjustment, and information on the number of times parameter adjustment is performed. The work time information may also include, as information specific to the use of a measurement vehicle, information on the time required for final satellite geostationary and information on the time required for adjusting the high-density laser at the end of measurement. This information specific to the use of a measurement vehicle is used to calculate the work time when the measurement vehicle is not running. The time that can be used to operate the measurement vehicle is obtained by subtracting the work time when the measurement vehicle is not running from the maximum time that can be allocated to maintenance work. To improve the accuracy of the measurement vehicle's position information, the measurement vehicle will remain stationary in a location where the GPS satellite positioning signal acquisition is good. Initial satellite stationary

[0037] The running time information includes information for calculating the time the measurement vehicle is running. The running time information also includes information on the maximum running speed of the measurement vehicle. The maximum running speed information may include information on the maximum running speed at each section where the measurement vehicle is running. Examples of maximum running speeds at each section where the measurement vehicle is running include the maximum running speed within the station premises, the maximum running speed when passing through the siding device, and the maximum running speed in other general sections. The maximum running speed can be set arbitrarily by the maintenance company.

[0038] The travel time information may include information on time lost due to stops, as this is useful for improving the accuracy of route and schedule creation. For example, the time lost may be calculated using an equation such as "time lost (h) = x × 0.005 + y × 0.016", where x is the number of junctions passed and y is the number of level crossings passed. The coefficients 0.005 and 0.016 in this equation are variables and can be set arbitrarily.

[0039] The travel time information may include, as information specific to the use of a measurement vehicle, information on the initial satellite geostationary position and information on the travel time to the initial satellite geostationary position. The travel time information may also include distance information and speed information. The travel time information may also include, as information specific to the use of a measurement vehicle, information on the return trip travel time and information on the measured travel time. The return trip travel time is the time spent traveling outside the measurement range. The measured travel time is the time spent traveling within the measurement range. In addition, the travel time information may include, as information specific to the use of a measurement vehicle, information on the final satellite geostationary position and information on the travel time to the final satellite geostationary position. The travel time information may also include distance information and speed information.

[0040] Constraints include information on restricted sections, which are areas where driving is restricted. Restricted sections include areas where driving is impossible, such as areas where competing construction is taking place, and areas where vehicles are parked overnight. Restricted sections also include areas where slow driving is required.

[0041] The constraints may include conditions that enable efficient work. Conditions that enable efficient work are those that contribute to reducing work time or improving the fuel efficiency of the measurement vehicle. Conditions that enable efficient work may include conditions such as minimizing the overlap of junctions or crossovers passed through, minimizing the number of turnaround points included in the route, minimizing the overlap of platforms or tracks passed through within station premises, minimizing the number of turnarounds, and maximizing the distance traveled without turning around. In addition, conditions that enable efficient work may include allowing boarding and derailment at the same level crossing, and minimizing prolonged stops in locations where the reception of positioning signals from GPS satellites is poor.

[0042] Constraints may include conditions such as prohibiting stopping at sections of the track with high gradients or large superelevations, as well as at level crossings, tunnels, junctions, insulation joints, or bridges. Constraints may also include conditions such as ensuring that the measurement range information can be covered by overlapping all routes. Constraints may also include conditions regarding the measurement vehicle. Conditions regarding the measurement vehicle include, for example, whether the measurement vehicle is capable of both moving forward and backward, or whether the measurement vehicle is capable of moving forward only.

[0043] One of the constraints in creating routes and schedules is that the distance or time that can be traveled in one night is calculated based on the measurement range information and the travel time information. As mentioned above, the maximum time that can be allocated to maintenance work is determined based on the work time information, which is information about the procedure for suspending supply and the procedure for closing the tracks. Another constraint in creating routes and schedules is that this maximum time must be longer than the time that can be traveled in one night. The route calculation unit 11 calculates routes and schedules that satisfy these constraints.

[0044] Next, the operation procedure of the information processing device 1 will be described. Figure 2 is a flowchart showing the operation procedure of the information processing device 1 included in the maintenance vehicle route creation system 100 according to Embodiment 1.

[0045] In step S1, the acquisition unit 10 of the information processing device 1 acquires route information, work time information, travel time information, measurement range information, and constraint conditions. The acquisition unit 10 outputs each of the acquired pieces of information to the route calculation unit 11.

[0046] In step S2, the route calculation unit 11 calculates a route and schedule based on route information, work time information, travel time information, measurement range information, and constraints. Based on the route information, the route calculation unit 11 calculates a route that includes at least one of the railway equipment information, namely track information, junction information, and level crossing information. Based on the measurement range information, the route calculation unit 11 calculates a route that includes specifying the range in which measurements will be taken by the measurement vehicle. The route calculation unit 11 calculates a schedule for when the maintenance vehicle travels along the route by performing calculations that incorporate the route information, work time information, travel time information, measurement range information, and constraints. The route calculation unit 11 calculates a route and schedule that satisfy the constraints. The route calculation unit 11 outputs maintenance vehicle route data showing the calculated route and schedule to the output unit 12. Alternatively, the route calculation unit 11 outputs a maintenance vehicle route diagram showing the calculated route to the output unit 12.

[0047] In step S3, the output unit 12 outputs maintenance vehicle route data or maintenance vehicle route diagram to the output device 4. With this, the information processing device 1 completes its operation according to the procedure shown in Figure 2.

[0048] Next, maintenance vehicle route data and maintenance vehicle route diagrams will be described. Figure 3 is a diagram showing an example of maintenance vehicle route data output by the output device 4 of the maintenance vehicle route creation system 100 according to Embodiment 1. Figure 4 is a diagram showing an example of a maintenance vehicle route diagram output by the output device 4 of the maintenance vehicle route creation system 100 according to Embodiment 1. The routes shown in the maintenance vehicle route diagram in Figure 4 are assumed to be the routes shown in the maintenance vehicle route data in Figure 3. When outputting maintenance vehicle route data, the output device 4 outputs a table summarizing the maintenance vehicle route data, as shown in Figure 3.

[0049] Here, we will explain the route illustrated in Figure 4. As shown in Figure 4, the measurement vehicle is loaded onto the track at level crossing B1, which is on the C station side of B station. Within the B station premises, there are four parallel tracks, numbered 1 to 4, and the measurement vehicle is loaded onto track 1. The measurement vehicle travels from level crossing B1 towards A station and starts measurement from the measurement start position. The measurement vehicle enters the down main line from junction X and turns around towards C station at the first turnaround point. The measurement vehicle stops measurement at the first turnaround point. The measurement vehicle enters track 1 from the down main line at junction X, passes level crossing B1, and then enters the down main line from junction Y. The measurement vehicle leaves the down main line at junction Z and then enters the up main line. The measurement vehicle passes through level crossings B2 and B3 and turns around towards A station at the second turnaround point. The measurement vehicle resumes measurement from the second turnaround point. The measurement vehicle travels straight along the northbound main line. Within Station B, the measurement vehicle uses track 3, which is the northbound main line, and continues straight along the northbound main line to reach Station A. Within Station A, the measurement vehicle uses track 2, which is the northbound main line. After that, the measurement vehicle ends its measurement at the measurement end point beyond Station A.

[0050] The maintenance vehicle route data shown in Figure 3 includes information on the following items: "work content," "start time," "start location," "location details," "distance to the next point," "by route," "direction of travel," "measurement performed," and "speed." In the maintenance vehicle route data shown in Figure 3, the above route is divided into multiple sections, and information on each item for each section is shown.

[0051] "Work Details" indicates the start and end points of the section. "Start Time" indicates the time when travel from the start point of the section begins. "Start Position" indicates the position of the start point. "Location Details" indicates the details of the start position. "Distance to Next Point" indicates the distance from the start point to the end point of the section. "Track Type" indicates the track on which the measurement vehicle travels. "Travel Direction" indicates whether the vehicle is traveling forward or backward. "Measurement Implemented" indicates whether or not measurement will be implemented. In the example shown in Figure 3, for "Measurement Implemented," "○" indicates that measurement will be implemented, and "×" indicates that measurement will not be implemented. "Speed" indicates the speed of the measurement vehicle.

[0052] The example shown in Figure 3 is an example of maintenance vehicle route data when using a measurement vehicle capable of both forward and reverse movement. When using a measurement vehicle capable of both forward and reverse movement, the measurement vehicle reverses direction to turn around at the turning point. When using a measurement vehicle capable of forward movement only, the vehicle leaves the track at a level crossing, changes direction, and then re-enters the track to turn around.

[0053] For example, the first row of the maintenance vehicle route data in Figure 3 shows information about the section from the measurement start position to the first turnaround point. According to this information, it can be confirmed that the vehicle started traveling from the measurement start position at 1:00 AM on April 1st, that the measurement start position is at the end of platform 1 at station B, on the side facing station C, and that the distance from the measurement start position to the first turnaround point is 0.7 km. Furthermore, according to this information, it can be confirmed that the measurement vehicle travels on the down siding track (track 1) from the measurement start position to the first turnaround point, that the measurement vehicle travels in a forward direction, that measurements are taken from the measurement start position to the first turnaround point, and that the speed of the measurement vehicle is 10 km / h.

[0054] By including track information in the route information acquisition unit 13, it becomes possible to include "track-specific" information for identifying the track in the maintenance vehicle route data. This makes it possible to uniquely identify the track on which the measurement vehicle is traveling from the maintenance vehicle route data, even when multiple tracks run parallel. Maintenance personnel can easily know whether the vehicle is traveling on the main line or a siding.

[0055] By including branching point information in the route information acquisition unit 13, branching point information can be used in the "location details" which represent the details of the starting position of a section. By including level crossing information in the route information acquisition unit 13, level crossing information can be used in the "location details". This makes it possible to uniquely identify points on the route, such as the measurement start position, turnaround point, point where the vehicle enters the siding from the main line, point where the vehicle enters the main line from the siding, or measurement end position, from the maintenance vehicle route data. This makes it possible for maintenance operators to uniquely identify the route they will travel during measurement from the maintenance vehicle route data. By being able to uniquely identify the route to be traveled, it is possible to reduce situations where there is a discrepancy in the recognition of the route between maintenance operators and railway operators.

[0056] The "start time" indicates the schedule for when the maintenance vehicle travels along the route. By including schedule information in the maintenance vehicle route data, the schedule for when the maintenance vehicle travels along the route can be checked from the maintenance vehicle route data.

[0057] In the maintenance vehicle route diagram shown in Figure 4, line 21 represents the down main line track. Line 22 represents the up main line track. The rectangular shape 23 represents a station platform. In Figure 4, platform 1 of station A is used for boarding and alighting of trains traveling on the down main line. Platform 2 of station A is used for boarding and alighting of trains traveling on the up main line. Platform 1 of station B is used for boarding and alighting of trains traveling on the down siding. Platform 2 of station B is used for boarding and alighting of trains traveling on the down main line. Platform 3 of station B is used for boarding and alighting of trains traveling on the up main line. Platform 4 of station B is used for boarding and alighting of trains traveling on the up siding. In the maintenance vehicle route diagram, the station name and its phonetic spelling are displayed at each station.

[0058] The thick line 24 represents the route from the B1 level crossing to the first turnaround point. The dashed line 25 represents the route from the first turnaround point to the second turnaround point. The thick line 26 represents the route from the second turnaround point to the measurement end position. In the maintenance vehicle route diagram, turnaround points are enclosed by dashed lines. At turnaround points, an arrow indicating the reversal of the direction of travel and the name of the turnaround point are displayed. The maintenance vehicle route diagram shows points such as the measurement start position, measurement end position, position α, and position β. In addition, each level crossing and junction is indicated with a name in the maintenance vehicle route diagram. Arrow 27 indicates that the measurement vehicle will be loaded onto the track.

[0059] Figure 5 shows an example of an annotation included in the maintenance vehicle route diagram in Embodiment 1. The annotation shown in Figure 5 is displayed when the measurement vehicle is temporarily removed from the track at a level crossing, its direction is changed, and then the measurement vehicle is re-entered onto the track to perform a turnaround. Figure 5 shows an example of an annotation when the measurement vehicle is removed from the up main line and then re-entered onto the down main line at level crossing N1. Arrow 28 in Figure 5 indicates that the measurement vehicle is being removed from the track. Arrow 29 in Figure 5 indicates that the measurement vehicle is being re-entered onto the track. For example, a callout is displayed on the maintenance vehicle route diagram, and an annotation like the one shown in Figure 5 is displayed in the callout. The manner in which the annotation is displayed is arbitrary.

[0060] As shown in Figures 4 and 5, the maintenance vehicle route diagram includes indications for when the measurement vehicle is on the track and when it is leaving the track, making it easy to confirm from the maintenance vehicle route diagram that on-tracking and off-tracking will occur. Furthermore, the track on which the measurement vehicle is on-tracked and the track on which it is leaving the track can be easily confirmed from the maintenance vehicle route diagram. In addition, as shown in the note in Figure 5, it can be easily confirmed from the maintenance vehicle route diagram that the turnaround is performed by leaving and on-tracking, rather than by reversing the direction of travel as shown in Figure 4.

[0061] The route information acquired by the route information acquisition unit 13 includes track information, allowing multiple tracks passing through the station premises to be shown on the maintenance vehicle route diagram. This makes it possible to confirm the number of parallel tracks from the maintenance vehicle route diagram when multiple tracks run parallel. Furthermore, it is possible to uniquely identify which track the measurement vehicle will travel on among the multiple tracks shown on the maintenance vehicle route diagram. Maintenance personnel can easily know which track they will be traveling on among the multiple tracks.

[0062] By including branching point information in the route information acquisition unit 13, the location and name of branching points on the route can be confirmed from the maintenance vehicle route map. By including level crossing information in the route information acquisition unit 13, the location and name of level crossings on the route can be confirmed from the maintenance vehicle route map. This makes it possible to clearly identify the route based on railway facilities such as branching points or level crossings. In addition, points on the route, such as the measurement start position, turnaround point, point where the vehicle enters the siding from the main line, point where the vehicle enters the main line from the siding, or measurement end position, can be uniquely identified from the maintenance vehicle route map. Furthermore, the ability to uniquely identify points on the route enables appropriate guidance of the measurement vehicle at the site based on the maintenance vehicle route map. The ability to uniquely identify the route being traveled reduces the possibility of discrepancies in route recognition between maintenance companies and railway companies.

[0063] The maintenance vehicle route map created by the maintenance vehicle route creation system 100 includes the route, points along the route, the area where measurements will be taken, information about railway equipment near the route, information about whether the vehicle is on or off the track, and the direction of travel of the measurement vehicle. This makes it possible to clearly present the information necessary for traveling along the route and the information that serves as reference for identifying the route using the maintenance vehicle route map.

[0064] In Embodiment 1, the information included in the maintenance vehicle route data is not limited to the information shown in each item in Figure 3. The maintenance vehicle route data may include information on items other than those shown in Figure 3. The maintenance vehicle route data may also include information such as the time when the track closure begins, the time when the track closure ends, or buffer time. Furthermore, at least one of the items shown in Figure 3 may be omitted from the maintenance vehicle route data.

[0065] In Embodiment 1, the contents included in the maintenance vehicle route diagram are not limited to those shown in Figures 4 and 5. The maintenance vehicle route diagram may include contents other than those shown in Figures 4 and 5, and at least some of the above contents may be omitted. The maintenance vehicle route diagram shown in Figure 4 may include a schedule, similar to that included in the maintenance vehicle route data. This makes it easy to confirm the route and schedule from the maintenance vehicle route diagram.

[0066] In cases where there are restricted sections, such as sections where competing construction work is being carried out or sections where vehicles are parked overnight, the maintenance vehicle route map may include indications of these restricted sections. This allows the maintenance vehicle route map to serve as a warning to prevent measurement vehicles from entering restricted sections. Furthermore, if the route includes sections where vehicles must proceed slowly, the maintenance vehicle route map may also include indications of these sections. This allows the maintenance vehicle route map to serve as a warning to measurement vehicles to proceed slowly in these sections.

[0067] Furthermore, the route calculation unit 11 is not limited to outputting only one of the maintenance vehicle route data or the maintenance vehicle route diagram. The route calculation unit 11 may output both the maintenance vehicle route data and the maintenance vehicle route diagram. In this case, the output unit 12 transmits the maintenance vehicle route data and the maintenance vehicle route diagram to the output device 4. The output device 4 outputs the maintenance vehicle route data and the maintenance vehicle route diagram.

[0068] In Embodiment 1, the route calculation unit 11 calculates maintenance vehicle route data or maintenance vehicle route diagram by any method based on route information, measurement range information, work time information, travel time information, and constraints. The route calculation unit 11 may, for example, use machine learning to calculate maintenance vehicle route data or maintenance vehicle route diagram.

[0069] Here, we will explain how to calculate maintenance vehicle route data or maintenance vehicle route diagrams using machine learning. Figure 6 is a diagram showing an example of the configuration of the route calculation unit 11 when calculating maintenance vehicle route data or maintenance vehicle route diagrams using machine learning in Embodiment 1. In the following explanation, we will use the case where the route calculation unit 11 calculates maintenance vehicle route data using machine learning as an example.

[0070] The route calculation unit 11 comprises a learning device 61, an inference device 62, and a trained model storage unit 63. The learning device 61 learns maintenance vehicle route data that satisfies the constraints. The learning device 61 outputs a trained model, which is the result of the learning. The trained model storage unit 63 stores the trained model. The inference device 62 reads the trained model from the trained model storage unit 63 for inferring maintenance vehicle route data that satisfies the constraints. The inference device 62 outputs maintenance vehicle route data, which is the inference result, by inputting inference data into the trained model.

[0071] Figure 7 shows an example of the configuration of the learning device 61 included in the route calculation unit 11 shown in Figure 6. The learning device 61 includes a data acquisition unit 64 and a model generation unit 65. The data acquisition unit 64 acquires training data and creates a dataset by combining the training data. The training data includes route information, measurement range information, work time information, travel time information, constraints, and maintenance vehicle route data. In other words, the data acquisition unit 64 acquires training data that includes route information, measurement range information, work time information, travel time information, constraints, and maintenance vehicle route data.

[0072] The model generation unit 65 generates a trained model using training data. The model generation unit 65 generates a trained model for inferring maintenance vehicle route data from route information, measurement range information, work time information, travel time information, and constraints.

[0073] The model generation unit 65 can use any known learning algorithm, such as supervised learning, unsupervised learning, or reinforcement learning. As an example, we will describe the case where reinforcement learning is applied to the learning algorithm used by the model generation unit 65. Reinforcement learning is a method in which an agent, acting subject, observes the current state in a given environment and decides what action to take. The agent receives a reward from the environment by selecting an action, and learns a policy that maximizes the reward obtained through a series of actions. Representative reinforcement learning methods include Q-learning and TD-learning. For example, in the case of Q-learning, the action value table, which is a general update formula for the action value function Q(s,a), is expressed by the following equation (1). The action value function Q(s,a) represents the action value Q, which is the value of the action of selecting action "a" under environment "s".

[0074]

number

[0075] In equation (1), "st " represents the environment at time "t". t " represents the action at time "t". Action "a t The environment is "s t+1 It changes to "r t+1 " represents the reward received due to the change in the environment. "γ" represents the discount rate. "α" represents the learning rate. Route information, measurement range information, work time information, travel time information, and constraints are in the environment "s t This is the result. Maintenance vehicle route data is action "a t This is what it becomes.

[0076] The update formula, represented by equation (1), increases the action value Q if the action value Q of the best action "a" at time "t+1" is greater than the action value Q of action "a" performed at time "t", and decreases the action value Q if the opposite is true. In other words, the action value function Q(s,a) is updated so that the action value Q of action "a" at time "t" approaches the best action value at time "t+1". As a result, the best action value in a given environment is sequentially propagated to the action values ​​in previous environments.

[0077] The model generation unit 65 includes a reward calculation unit 66 and a function update unit 67. The reward calculation unit 66 calculates the reward based on the dataset. The function update unit 67 updates the function for determining the operational plan according to the reward calculated by the reward calculation unit 66.

[0078] Specifically, the reward calculation unit 66 calculates the reward "r" based on the value of the objective function that uses the efficiency of the maintenance work as an index. The efficiency of the maintenance work is represented by the length of the work time and the fuel efficiency of the measurement vehicle. For example, when the value of the objective function changes in the direction of improving the efficiency of the maintenance work, the reward calculation unit 66 increases the reward "r". That is, when the work time becomes shorter or the fuel efficiency improves, the reward calculation unit 66 increases the reward "r". The reward calculation unit 66 increases the reward "r" by giving the value of the reward "1". Note that the value of the reward is not limited to "1". On the other hand, when the value of the objective function changes in the direction of decreasing the efficiency of the maintenance work, the reward calculation unit 66 decreases the reward "r". That is, when the work time becomes longer or the fuel efficiency decreases, the reward calculation unit 66 decreases the reward "r". The reward calculation unit 66 reduces the reward "r" by giving the value of the reward "-1". Note that the value of the reward is not limited to "-1".

[0079] The function update unit 67 updates a function, which is a model for determining maintenance vehicle travel route data, according to the reward calculated by the reward calculation unit 66. The update of the function can be performed, for example, by updating the action value table according to a data set. The action value table is a data set that stores, in a table format, an association between an arbitrary action and its action value. For example, in the case of Q-learning, the action value function Q(s t ,a t ) is used as a function for determining maintenance vehicle travel route data.

[0080] So far, the case where reinforcement learning is applied to the learning algorithm used by the model generation unit 65 has been described. However, learning other than reinforcement learning may be applied to the learning algorithm. The model generation unit 65 may perform machine learning using a known learning algorithm other than reinforcement learning, for example, learning algorithms such as deep learning, neural networks, genetic programming, inductive logic programming, or support vector machines.

[0081] Figure 8 shows an example of the configuration of the inference device 62 included in the path calculation unit 11 shown in Figure 6. The inference device 62 infers maintenance vehicle path data that satisfies the constraints based on the inference data.

[0082] The inference device 62 includes a data acquisition unit 68 and an inference unit 69. The data acquisition unit 68 acquires inference data. The inference data includes route information, measurement range information, work time information, travel time information, and constraints. The inference unit 69 reads the trained model generated by the learning device 61 from the trained model storage unit 63. The inference unit 69 infers maintenance vehicle route data by inputting the inference data into the trained model. The inference unit 69 outputs the maintenance vehicle route data, which is the inference result.

[0083] When the route calculation unit 11 calculates a maintenance vehicle route diagram, the configuration of the learning device 61 and the inference device 62 is the same as when the route calculation unit 11 calculates maintenance vehicle route data. When the route calculation unit 11 calculates a maintenance vehicle route diagram, the processing performed by the learning device 61 and the inference device 62 is the same as when the route calculation unit 11 calculates maintenance vehicle route data.

[0084] When the route calculation unit 11 calculates a maintenance vehicle route map, the route information included in the training data and the route information included in the inference data include information related to the creation of the maintenance vehicle route map. The data acquisition unit 64 acquires training data that includes route information, measurement range information, work time information, travel time information, constraint conditions, and maintenance vehicle route map data. The model generation unit 65 uses the training data to generate a trained model for inferring a maintenance vehicle route map from the route information, measurement range information, work time information, travel time information, and constraint conditions. The inference device 62 infers a maintenance vehicle route map that satisfies the constraint conditions based on the inference data.

[0085] Next, the hardware configuration of the information processing device 1 will be described. Figure 9 is a diagram showing an example of the hardware configuration of the information processing device 1 included in the maintenance vehicle route creation system 100 according to Embodiment 1. The information processing device 1 is realized by a computer system comprising a processing circuit 90 and a communication device 91. The processing circuit 90 comprises a processor 92 and a memory 93. The processing circuit 90 is a circuit in which the processor 92 executes software.

[0086] The acquisition unit 10 and the route calculation unit 11 of the information processing device 1 are implemented by software, firmware, or a combination of software and firmware. The software or firmware is written as a program and stored in memory 93. In the processing circuit 90, the processor 92 reads and executes the maintenance vehicle route creation program, which is a program stored in memory 93, thereby realizing the functions of the acquisition unit 10 and the route calculation unit 11. In other words, the processing circuit 90 is equipped with memory 93 for storing the program that will ultimately be executed as a result of the processing of the information processing device 1. The maintenance vehicle route creation program stored in memory 93 can also be said to cause the computer to execute the procedures and methods of the information processing device 1.

[0087] The processor 92 is a CPU (Central Processing Unit, also known as a processing unit, arithmetic unit, microprocessor, microcomputer, processor, or DSP (Digital Signal Processor)). The memory 93 includes, for example, non-volatile or volatile semiconductor memory such as RAM (Random Access Memory), ROM (Read Only Memory), flash memory, EPROM (Erasable Programmable Read Only Memory), EEPROM (Registered Trademark) (Electrically Erasable Programmable Read Only Memory), magnetic disks, flexible disks, optical disks, compact disks, minidiscs, or DVDs (Digital Versatile Discs). The communication device 91 communicates with devices outside the information processing device 1. The communication device 91 receives information from the input device 2 and information from the database 3. The communication device 91 transmits information to the output device 4. The output unit 12 is implemented by the communication device 91.

[0088] Input device 2 has a hardware configuration similar to that shown in Figure 9, and peripheral devices used for inputting information. Output device 4 has a hardware configuration similar to that shown in Figure 9, and peripheral devices used for outputting information.

[0089] The specific forms of distribution or integration of each component in the maintenance vehicle route creation system 100 according to Embodiment 1 are not limited to those described in Embodiment 1. For example, at least one of the input device 2 and the output device 4 may be provided in the information processing device 1. Each component of the maintenance vehicle route creation system 100 shown in Figure 1 may be realized by a single device.

[0090] According to Embodiment 1, the maintenance vehicle route creation system 100 calculates the route taken by the maintenance vehicle and the schedule for the maintenance vehicle to travel along the route based on route information. By including information about railway facilities, such as track information, junction information, or level crossing information, in the route information, the maintenance vehicle route creation system 100 can create a route that includes information about railway facilities. As a result, the maintenance vehicle route creation system 100 can create a route that can be uniquely recognized.

[0091] The configurations shown in each of the embodiments described above are examples of the content of this disclosure. The configurations of each embodiment can be combined with other known technologies. The configurations of each embodiment may be combined with each other as appropriate. It is possible to omit or modify parts of the configurations of each embodiment without departing from the gist of this disclosure.

[0092] The various aspects of this disclosure are summarized below as an appendix.

[0093] (Note 1) A maintenance vehicle route creation system that creates routes for maintenance vehicles used for maintenance work on railway equipment, and a schedule for when the maintenance vehicles travel along those routes, A route information acquisition unit that acquires route information, which is information about the railway equipment in the section that is the subject of the maintenance work, A route calculation unit that calculates the route and schedule based on the route information, It has an information processing device equipped with, The aforementioned route information includes route information used to identify each of the multiple parallel routes. A maintenance vehicle route creation system characterized in that the route calculation unit calculates the route including the track information of the track on which the maintenance vehicle will travel. (Note 2) The aforementioned route information includes branching point information, which includes the location information and the name of the branching point installed on the railway line. The maintenance vehicle route creation system according to Appendix 1, characterized in that the route calculation unit calculates the route including the branching point information of the branching points through which the maintenance vehicle will pass. (Note 3) The aforementioned route information includes level crossing information, which includes the location information of the level crossings through which the railway line passes and the name of the level crossings. The maintenance vehicle route creation system according to Appendix 1 or 2, characterized in that the route calculation unit calculates the route including the level crossing information of the level crossing through which the maintenance vehicle will pass. (Note 4) The information processing device further includes a work time information acquisition unit that acquires work time information, which is information about the time during which the maintenance work is performed. The maintenance vehicle route creation system according to any one of the appendices 1 to 3, characterized in that the route calculation unit calculates the schedule by a calculation that incorporates the work time information. (Note 5) The information processing device further includes a driving time information acquisition unit that acquires driving time information, which is information about the time required to drive the maintenance vehicle. The maintenance vehicle route creation system according to any one of the appendices 1 to 4, characterized in that the route calculation unit calculates the schedule by a calculation incorporating the travel time information. (Note 6) The maintenance vehicle is a measuring vehicle that measures at least one of the shape of the railway equipment structure and the location of the structure, The information processing device further includes a measurement range information acquisition unit that acquires measurement range information, which is information indicating the range in which the measurement vehicle performs measurements. The maintenance vehicle route creation system according to any one of the appendices 1 to 5, characterized in that the route calculation unit calculates the route, including the specification of the range in which the measurement vehicle will perform measurements, based on the measurement range information. (Note 7) The information processing device further includes a constraint condition acquisition unit that acquires constraint conditions indicating the constraints on the route taken by the maintenance vehicle, The maintenance vehicle route creation system according to any one of the appendices 1 to 6, characterized in that the route calculation unit calculates the route and schedule that satisfy the constraints. (Note 8) A maintenance vehicle route creation system according to any one of appendices 1 to 7, further comprising an output device that outputs maintenance vehicle route data including data indicating the route calculated by the route calculation unit and data indicating the schedule calculated by the route calculation unit. (Note 9) A maintenance vehicle route creation system according to any one of appendices 1 to 7, further comprising an output device that outputs a maintenance vehicle route diagram representing the route calculated by the route calculation unit. (Note 10) The maintenance vehicle is a measuring vehicle that measures at least one of the shape of the railway equipment structure and the location of the structure, The aforementioned route calculation unit, A data acquisition unit that acquires learning data including the aforementioned route information, work time information which is information about the time the maintenance work is performed, travel time information which is information about the time required for the maintenance vehicle to travel, measurement range information which is information indicating the range in which the measurement vehicle is to be measured, constraint conditions which indicate constraints on the route the maintenance vehicle travels, and maintenance vehicle route data which includes data indicating the route calculated by the route calculation unit and data indicating the schedule calculated by the route calculation unit. A maintenance vehicle route creation system according to any one of the appendices 1 to 3, comprising: a model generation unit that generates a trained model for inferring the maintenance vehicle route data from the route information, work time information, driving time information, measurement range information, and constraints using the aforementioned training data. (Note 11) The maintenance vehicle is a measuring vehicle that measures at least one of the shape of the railway equipment structure and the location of the structure, The aforementioned route calculation unit, A data acquisition unit acquires learning data including the aforementioned route information, work time information which is information about the time the maintenance work is performed, travel time information which is information about the time required for the maintenance vehicle to travel, measurement range information which is information indicating the range in which the measurement vehicle is to be measured, constraint conditions which indicate constraints on the route the maintenance vehicle travels, and data of a maintenance vehicle route diagram representing the route calculated by the route calculation unit. A maintenance vehicle route creation system according to any one of appendices 1 to 3, comprising: a model generation unit that generates a trained model for inferring the maintenance vehicle route diagram from the route information, work time information, driving time information, measurement range information, and constraints using the aforementioned training data. (Note 12) An information processing device for creating a route taken by a maintenance vehicle used for maintenance work on railway equipment, and a schedule for when the maintenance vehicle travels along the route, A route information acquisition unit that acquires route information, which is information about the railway equipment in the section that is the subject of the maintenance work, A route calculation unit that calculates the route and schedule based on the route information, Equipped with, The aforementioned route information includes route information used to identify each of the multiple parallel routes. The information processing device is characterized in that the route calculation unit calculates the route, which includes the track information of the track through which the maintenance vehicle travels. (Note 13) A method for creating maintenance vehicle routes, which involves creating routes for maintenance vehicles used in railway equipment maintenance work and schedules for the maintenance vehicles when they travel along those routes, using a maintenance vehicle route creation system. The steps include: obtaining route information, which is information about the railway equipment in the section that is the subject of the maintenance work; A step of calculating the route and the schedule based on the route information, Includes, The aforementioned route information includes route information used to identify each of the multiple parallel routes. A method for creating a maintenance vehicle route, characterized in that, in the step of calculating the route and the schedule, the route is calculated to include the track information of the railway line through which the maintenance vehicle will travel. (Note 14) Regarding maintenance work on railway equipment using maintenance vehicles, the steps include: acquiring route information, which is information about the railway equipment in the section targeted by the maintenance work; A step of calculating the route taken by the maintenance vehicle and the schedule for the maintenance vehicle when it travels along the route based on the route information, Have the computer run it, The aforementioned route information includes route information used to identify each of the multiple parallel routes. A maintenance vehicle route creation program characterized in that, in the step of calculating the route and the schedule, it calculates the route including the track information of the railway line on which the maintenance vehicle will travel. [Explanation of symbols]

[0094] 1 Information processing device, 2 Input device, 3 Database, 4 Output device, 10 Acquisition unit, 11 Route calculation unit, 12 Output unit, 13 Route information acquisition unit, 14 Measurement range information acquisition unit, 15 Work time information acquisition unit, 16 Driving time information acquisition unit, 17 Constraint condition acquisition unit, 21, 22, 24, 25, 26 Lines, 23 Figures, 27, 28, 29 Arrows, 61 Learning device, 62 Inference device, 63 Trained model storage unit, 64, 68 Data acquisition unit, 65 Model generation unit, 66 Reward calculation unit, 67 Function update unit, 69 Inference unit, 90 Processing circuit, 91 Communication device, 92 Processor, 93 Memory, 100 Maintenance vehicle route creation system.

Claims

1. A maintenance vehicle route creation system that creates routes for maintenance vehicles used for maintenance work on railway equipment, and a schedule for when the maintenance vehicles travel along those routes, A route information acquisition unit that acquires route information, which is information about the railway equipment in the section that is the subject of the maintenance work, A route calculation unit that calculates the route and schedule based on the route information, It has an information processing device equipped with, The aforementioned route information includes route information used to identify each of the multiple parallel routes. A maintenance vehicle route creation system characterized in that the route calculation unit calculates the route including the track information of the track on which the maintenance vehicle will travel.

2. The aforementioned route information includes branching point information, which includes the location information and the name of the branching point installed on the railway line. The maintenance vehicle route creation system according to claim 1, characterized in that the route calculation unit calculates the route including the branching point information of the branching points through which the maintenance vehicle passes.

3. The aforementioned route information includes level crossing information, which includes the location information of the level crossings through which the railway line passes and the name of the level crossings. The maintenance vehicle route creation system according to claim 1, characterized in that the route calculation unit calculates the route including the level crossing information of the level crossing through which the maintenance vehicle passes.

4. The information processing device further includes a work time information acquisition unit that acquires work time information, which is information about the time during which the maintenance work is performed. The maintenance vehicle route creation system according to any one of claims 1 to 3, characterized in that the route calculation unit calculates the schedule by a calculation incorporating the work time information.

5. The information processing device further includes a driving time information acquisition unit that acquires driving time information, which is information about the time required to drive the maintenance vehicle. The maintenance vehicle route creation system according to any one of claims 1 to 3, characterized in that the route calculation unit calculates the schedule by a calculation incorporating the travel time information.

6. The maintenance vehicle is a measuring vehicle that measures at least one of the shape of the railway equipment structure and the location of the structure, The information processing device further includes a measurement range information acquisition unit that acquires measurement range information, which is information indicating the range in which the measurement vehicle performs measurements. The maintenance vehicle route creation system according to any one of claims 1 to 3, characterized in that the route calculation unit calculates the route, including the specification of the range in which the measurement by the measurement vehicle is performed, based on the measurement range information.

7. The information processing device further includes a constraint condition acquisition unit that acquires constraint conditions indicating the constraints on the route taken by the maintenance vehicle, The maintenance vehicle route creation system according to any one of claims 1 to 3, characterized in that the route calculation unit calculates the route and schedule that satisfy the constraint conditions.

8. The maintenance vehicle route creation system according to any one of claims 1 to 3, further comprising an output device that outputs maintenance vehicle route data including data indicating the route calculated by the route calculation unit and data indicating the schedule calculated by the route calculation unit.

9. The maintenance vehicle route creation system according to any one of claims 1 to 3, further comprising an output device that outputs a maintenance vehicle route diagram representing the route calculated by the route calculation unit.

10. The maintenance vehicle is a measuring vehicle that measures at least one of the shape of the railway equipment structure and the location of the structure, The aforementioned route calculation unit, A data acquisition unit that acquires learning data including the aforementioned route information, work time information which is information about the time the maintenance work is performed, travel time information which is information about the time required for the maintenance vehicle to travel, measurement range information which is information indicating the range in which the measurement vehicle is to be measured, constraint conditions which indicate constraints on the route the maintenance vehicle travels, and maintenance vehicle route data which includes data indicating the route calculated by the route calculation unit and data indicating the schedule calculated by the route calculation unit. A maintenance vehicle route creation system according to any one of claims 1 to 3, comprising: a model generation unit that generates a trained model for inferring the maintenance vehicle route data from the route information, work time information, driving time information, measurement range information, and constraints using the aforementioned training data.

11. The maintenance vehicle is a measuring vehicle that measures at least one of the shape of the railway equipment structure and the location of the structure, The aforementioned route calculation unit, A data acquisition unit acquires learning data including the aforementioned route information, work time information which is information about the time the maintenance work is performed, travel time information which is information about the time required for the maintenance vehicle to travel, measurement range information which is information indicating the range in which the measurement vehicle is to be measured, constraint conditions which indicate constraints on the route the maintenance vehicle travels, and data of a maintenance vehicle route diagram representing the route calculated by the route calculation unit. A maintenance vehicle route creation system according to any one of claims 1 to 3, comprising: a model generation unit that generates a trained model for inferring the maintenance vehicle route diagram from the route information, work time information, driving time information, measurement range information, and constraints using the aforementioned training data.

12. An information processing device for creating a route taken by a maintenance vehicle used for maintenance work on railway equipment, and a schedule for when the maintenance vehicle travels along the route, A route information acquisition unit that acquires route information, which is information about the railway equipment in the section that is the subject of the maintenance work, A route calculation unit that calculates the route and schedule based on the route information, Equipped with, The aforementioned route information includes route information used to identify each of the multiple parallel routes. The information processing device is characterized in that the route calculation unit calculates the route, which includes the track information of the track through which the maintenance vehicle travels.

13. A method for creating maintenance vehicle routes, which involves creating routes for maintenance vehicles used in railway equipment maintenance work and schedules for the maintenance vehicles when they travel along those routes, using a maintenance vehicle route creation system. The steps include: obtaining route information, which is information about the railway equipment in the section that is the subject of the maintenance work; A step of calculating the route and the schedule based on the route information, Includes, The aforementioned route information includes route information used to identify each of the multiple parallel routes. A method for creating a maintenance vehicle route, characterized in that, in the step of calculating the route and the schedule, the route is calculated to include the track information of the railway line through which the maintenance vehicle will travel.

14. Regarding maintenance work on railway equipment using maintenance vehicles, the steps include: acquiring route information, which is information about the railway equipment in the section targeted by the maintenance work; A step of calculating the route taken by the maintenance vehicle and the schedule for the maintenance vehicle when it travels along the route based on the route information, Have the computer run it, The aforementioned route information includes route information used to identify each of the multiple parallel routes. A maintenance vehicle route creation program characterized in that, in the step of calculating the route and the schedule, it calculates the route including the track information of the railway line on which the maintenance vehicle will travel.

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