EP3623257B1 - Fahrzeugzuweisungsunterstützungssystem, -verfahren und -programm - Google Patents

Fahrzeugzuweisungsunterstützungssystem, -verfahren und -programm Download PDF

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Publication number
EP3623257B1
EP3623257B1 EP19159979.4A EP19159979A EP3623257B1 EP 3623257 B1 EP3623257 B1 EP 3623257B1 EP 19159979 A EP19159979 A EP 19159979A EP 3623257 B1 EP3623257 B1 EP 3623257B1
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European Patent Office
Prior art keywords
vehicle
plan
train
candidate
allocation
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EP19159979.4A
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English (en)
French (fr)
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EP3623257A1 (de
Inventor
Hiromi Igawa
Tomoe Tomiyama
Takeshi Handa
Yuki Maekawa
Kenichirou OKADA
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Hitachi Ltd
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Hitachi Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L17/00—Switching systems for classification yards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/10—Operations, e.g. scheduling or time tables
    • B61L27/12—Preparing schedules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/10—Operations, e.g. scheduling or time tables
    • B61L27/16—Trackside optimisation of vehicle or train operation

Definitions

  • the present invention relates to a technique of supporting creation of a vehicle allocation plan at a railway vehicle yard.
  • Each vehicle is inspected in a railway vehicle yard.
  • the vehicle inspection is conducted based on an inspection plan that defines when and what vehicle is to be inspected.
  • a vehicle allocation is performed to determine which vehicle is to be allocated to each train on a train diagram.
  • which vehicle to be allocated to each train on the train diagram planned in advance is determined based on a vehicle operation plan obtained by planning the operation of each vehicle in advance.
  • US 2007/0005200 A1 discloses a railyard planning method and system including vehicle candidate selection in accordance with train make-up rules, yard operating rules and operating costs, available resources and business objectives.
  • JP 2014-151849 A discloses a technique of narrowing down a usable vehicle, when a vehicle suddenly needs to be used for train service on that day, by considering operations and inspection types of vehicles of the next day so as to reduce influence on the next day.
  • a vehicle allocation is determined based on a required time taken for the inspection of that day and an inspection plan of the next day, and there is no consideration on whether a vehicle to be allocated to a train is a train that satisfies the number of people with demand, which is the number of passengers that needs to be transportable by the train at that time, and a demand facility which is facility required for the train at that time.
  • a constraint itself which is a condition for determining a vehicle allocation
  • a constraint itself may change depending on a situation of the vehicle yard at the time when there arises a need of arranging a vehicle to be newly allocated to a train.
  • inspection planning and crew planning are comparatively easy during the daytime, and thus, it is sometimes possible to change a schedule to carry out an inspection of a vehicle and provide the inspected vehicle if an additional vehicle is requested for reasons of relaxation of congestion during the daytime.
  • a time zone during which a vehicle can be provided may be limited according to a request depending on what kind of contract has been made between these companies.
  • vehicle management providers of the respective vehicle bases are different from each other, there is also a possibility that it is necessary for the service provider to negotiate with each of persons in charge of the plurality of vehicle bases to search for a vehicle yard that can provide a vehicle under a better condition. Such a negotiation requires time.
  • a vehicle allocation support system has the features of claim 1.
  • a computer-executable vehicle allocation support method has the features of claim 7.
  • a program configured to cause a computer to execute the steps of method claim 7 has the features of claim 8.
  • Fig. 1 is a diagram illustrating a vehicle allocation support system according to the embodiment.
  • the vehicle allocation support system is configured such that a vehicle allocation support system 10, a demand management system 20, a railway traffic management system 30, a plan creation system 40, an inspection management system 50, and a display device 60 are connected via a network 70.
  • a plurality of the display devices 60 may be used.
  • the demand management system 20 manages the number of passengers with demand for each time zone as demand information.
  • the railway traffic management system 30 is a system that manages service information of a train running on a main line, and notifies the vehicle allocation support system 10 of an allocation implementation request for implementing an allocation of a vehicle to a train on a train diagram when there occur a vehicle allocation change accompanying a failure of an accident of a vehicle and a vehicle allocation addition accompanying an increase of a service train accompanying a demand increase of passengers.
  • the inspection management system 50 is a system that manages an inspection plan and a progress status of an inspection performed in the vehicle yard as inspection information, and notifies the vehicle allocation support system 10 of the allocation implementation request for implementing an allocation of a vehicle to a train on the train diagram when there arises a need of changing the vehicle allocation that has been planned due to an inspection delay or the like.
  • the plan creation system 40 creates plan information in the vehicle yard.
  • the vehicle allocation support system 10 obtains demand information of a train from the demand management system 20, acquires traffic management information of the train from the railway traffic management system 30, and further acquires inspection information of a vehicle managed at the vehicle yard from the inspection management system 50. Then, the vehicle allocation support system 10 is a system that generates vehicle allocation candidate information indicating a candidate of a vehicle to be allocated to a train of a railroad based on the plan information in the vehicle yard obtained from the plan creation system 40 and displays a result on the display device 60 operated by a user 80.
  • the vehicle allocation support system 10 may be configured as one function on the plan creation system 40 or the inspection management system 50. When the vehicle allocation support system 10 is used in a plurality of vehicle bases, it may be configured to provide the vehicle allocation support system 10 for each control area, and in such a case, various devices to be connected can also be connected via a network.
  • the display device 60 displays the vehicle allocation candidate information generated by the vehicle allocation support system 10.
  • Fig. 2 is a diagram illustrating a hardware configuration of a server device including the vehicle allocation support system 10 illustrated in Fig. 1 .
  • the server device including the vehicle allocation support system 10 illustrated in Fig. 1 includes a main control unit 11, a main storage unit 12, an input unit 13, an output unit 14, and a communication unit 15.
  • the main control unit 11 controls information processing in a server device 10A by a processor executing a program code recorded in the main storage unit 12.
  • the main storage unit 12 stores information on the server device 10A in a nonvolatile manner.
  • the input unit 13 When the input unit 13 needs to manually input the information on the server device 10A, the user inputs the information to the server device 10A.
  • the server device 10A When the output unit 14 needs to output the information on the server device 10A, the server device 10A outputs the information to the user.
  • the communication unit 15 is connected to the communication unit 15 of another server device via the network 70 and communicates information with another server device.
  • This configuration can be configured with conventionally well-known devices by realizing, for example, the main control unit 11 using a central processing unit (CPU) and a random access memory (RAM), the main storage unit 12 using a hard disk, the input unit 13 using the keyboard, the output unit 14 using a monitor, and the communication unit 15 using Ethernet (registered trademark).
  • CPU central processing unit
  • RAM random access memory
  • Fig. 3 is a diagram illustrating a software configuration of the vehicle allocation support system 10 illustrated in Fig. 1 .
  • the vehicle allocation support system 10 illustrated in Fig. 1 includes a constraint management unit 101, a monitoring unit 102, a vehicle candidate extraction unit 103, an influence determination unit 104, yard condition data 111, facility condition data 112, vehicle data 113, and vehicle allocation candidate data 114.
  • Actual state thereof are software programs and data stored in the main storage unit 12 illustrated in Fig. 3 , and are executed by being read into the RAM and executed by the CPU (processor) at the time of execution.
  • the constraint management unit 101 manages a constraint condition which is defined for each vehicle yard and indicates an item that needs to be satisfied when a vehicle in the vehicle yard is allocated to a train and a facility condition which is defined for each time and route and indicates a facility that needs to be allocated to a train.
  • the constraint management unit 101 receives an input of the constraint condition of the yard and the facility condition preferentially given to the vehicle set for each time, and stores both the conditions as the yard condition data 111 and the facility condition data 112, respectively.
  • the monitoring unit 102 monitors the allocation implementation request notified from the inspection management system 50 or the railway traffic management system 30, and the monitoring unit 102 operates the vehicle candidate extraction unit 103 when the allocation implementation request is notified from the inspection management system 50 or the railway traffic management system 30.
  • the vehicle candidate extraction unit 103 searches for a vehicle, which satisfies the constraint condition and the facility condition managed as the yard condition data 111 and the facility condition data 112 by the constraint management unit 101 and can be allocated to a train on a train diagram so as to be capable of transporting the number of passengers with demand, from the service information to allocate the vehicle acquired from the railway traffic management system 30, and extracts a candidate of a vehicle to be allocated to the train on the train diagram based on the searched result.
  • the influence determination unit 104 quantitatively calculates the influence on the vehicle yard when the candidate extracted by the vehicle candidate extraction unit 103 is selected, based on the inspection information acquired from the inspection management system 50 and presence or absence of a change of the inspection plan determined by the plan creation system 40. Specifically, the influence determination unit 104 calculates operation cost based on an influence degree which is the degree of the influence on a shunting plan, which is a plan concerning circulation of vehicles, a crew plan which is a plan concerning an allocation of crews to a train, and a work plan which is a plan concerning work including a vehicle inspection. If there is a change in the inspection plan within the yard due to the vehicle candidate selection, the influence determination unit 104 causes the plan creation system 40 to calculate the plan again.
  • Fig. 4 is a diagram for describing the relationship between the processing flow and the data in the vehicle allocation support system illustrated in Figs. 1 and 3 .
  • the constraint management unit 101 acquires the yard condition and facility condition input by the user, and updates the yard condition data 111 and the facility condition data 112, respectively.
  • the monitoring unit 102 activates the vehicle candidate extraction unit 103 when receiving the vehicle allocation implementation request from the railway traffic management system 30 or the inspection management system 50.
  • the monitoring unit 102 acquires train diagram change data from the railway traffic management system 30 when receiving the vehicle allocation implementation request, and transmits the train diagram change data to the vehicle candidate extraction unit 103. Further, when receiving the vehicle allocation implementation request from the inspection management system 50, the monitoring unit 102 acquires vehicle inspection data and transmits the vehicle inspection data to the vehicle candidate extraction unit 103.
  • the vehicle candidate extraction unit 103 acquires the number of passengers with demand for each time zone, which is the demand information, from the demand management system 20, acquires the vehicle data 113 in the vehicle allocation support system 10, and extracts vehicles that can be allocated to the train on the train diagram as allocation candidate vehicles. Incidentally, details of the vehicle data 113 will be described later.
  • the vehicle candidate extraction unit 103 determines whether the constraint condition and the facility condition managed as the yard condition data 111 and the facility condition data 112 by the constraint management unit 101 are satisfied for each of the extracted allocation candidate vehicles, and determines a satisfaction degree of the condition.
  • the influence determination unit 104 determines the influence of allocating a candidate vehicle to the vehicle allocation candidate extracted by the vehicle candidate extraction unit 103. Specifically, the influence determination unit 104 specifies how much a scheduled inspection plan or occupancy plan of a track in a vehicle yard, or human resource plan of operators in a rail yard and crews has been changed by the vehicle allocation, calculates operation cost of the vehicle yard based on a task generated accompanying the plan change or the like, and updates the vehicle allocation candidate data 114. Incidentally, a vehicle has a higher priority as the vehicle has a smaller difference in the operation cost from the scheduled plan and has less influence on the vehicle operation accompanying the change.
  • the influence determination unit 104 transmits the vehicle allocation candidate data 114 to the display device 60 to be displayed to the user.
  • the display device 60 notifies the railway traffic management system 30 and the inspection management system 50 of the information on the vehicle selected by the user.
  • Fig. 5 is a table illustrating a data structure of the yard condition data 111 illustrated in Fig. 3 .
  • the yard condition data 111 illustrated in Fig. 3 is configured to manage constraints of a vehicle yard, and has a yard ID 501 that can uniquely identify a vehicle yard, and stores a route ID 502, a constraint 503, a constraint evaluation value 504, and a priority 505 for each yard as illustrated in Fig. 5 .
  • the route ID 502 sets a route ID (T or TT in the example illustrated in Fig. 5 ) if it is a constraint to be applied in a route limitation, and can be set with an expression such as "-" if it is a constraint that can be applied regardless of routes. For example, contents such as presence or absence of a vehicle allocation when changing an organization of vehicles constituting a train and the number of use conditions of a spare vehicle are set in the constraint 503.
  • an evaluation value for determining the constraint set by the constraint 503 is stored.
  • the evaluation value stores whether a constraint is applied ("present” or "none") or numerical values that can be used as upper and lower limits.
  • the priority 505 is set according to the degree of priority, for example, 1 if a constraint needs to be always followed, and 2 if a constraint can be changed by adjustment.
  • each item of the yard condition data 111 illustrated in Fig. 5 it is possible to allocate a vehicle by changing the vehicle organization for a route whose route ID is T in a vehicle yard whose yard ID is X, and a constraint condition at that time is set to have a high priority of 1 (MUST) in the first row illustrated in Fig. 5 .
  • MUST high priority of 1
  • the maximum number of vehicles to be used as spare vehicles is three vehicles per day for an arbitrary route in a vehicle yard whose yard ID is X, and a constraint condition at that time is set to have a priority of 2.
  • an operation cost when allocating a vehicle to a train is set to +2000 for a route whose route ID is T in a vehicle yard whose yard ID is X, and a constraint condition at that time is set to have a high priority of 1 (MUST).
  • Fig. 6 is a table illustrating a data structure of the facility condition data 112 illustrated in Fig. 3 .
  • the facility condition data 112 illustrated in Fig. 3 stores a facility condition of a vehicle concerning a passenger demand which is different for each route and time zone, and has the same route ID 601 as the yard condition data 111 illustrated in Fig. 5 , and stores a time zone 602 and a facility list 603 for each of the route IDs 601 as illustrated in Fig. 6 .
  • a time zone in which a vehicle having a facility described in the facility list 603 is desired is stored.
  • the granularity of time zones can be flexibly changed, and may be divided between weekdays and holidays.
  • the facility stored in the facility list 603 indicates an in-car facility and the number of organizations. Examples of the facility include a Wi-Fi facility, a bicycle, a wheelchair space, a catering facility, and the like.
  • the facility list can be freely set and can be changed later.
  • the Wifi and catering facilities are indispensable from 8 o'clock to 10 o'clock regardless of weekdays or holidays, it is preferable to have the wheelchair facility if possible, and the number of vehicles of eight or more is required.
  • Fig. 7 is a table illustrating a data structure of the vehicle data 113 illustrated in Fig. 3 .
  • the vehicle data 113 illustrated in Fig. 3 is data capable of uniquely specifying an attribute and a state of a vehicle, and also sets data capable of uniquely specifying in the railway traffic management system 30 and the inspection management system 50.
  • the vehicle data 113 manages attribute information of a vehicle including a type 702 indicating a type of the vehicle, an organization ID 703, and inspection information of the vehicle including a supply number 704 indicating the number of people who can get on the vehicle, a cumulative travel distance 705 counted since a previous inspection, and a latest inspection completion date and time 706, and a state 707 of the vehicle in association with a vehicle ID 701 set for each vehicle.
  • the state 707 of the vehicle stores a train number if the vehicle is in the middle of service, and a number indicating a location if the vehicle is present inside the vehicle yard. That is, the state 707 of the vehicle is information indicating where the vehicle is located right now.
  • the number indicating the location of the vehicle inside the vehicle yard is, for example, a track number or an inspection management number.
  • a data item that can determine necessity of an inspection may be set.
  • Fig. 8 is a table illustrating a data structure of the vehicle allocation candidate data 114 illustrated in Fig. 3 .
  • the vehicle allocation candidate data 114 illustrated in Fig. 3 stores a vehicle ID 801 similar to the vehicle data 113 illustrated in Fig. 7 , a constraint satisfying number 802, a facility satisfying number 803, an excess boarding number 804, a minimum preparation time 805, a day inspection status 806, a shunting plan influence degree 807, a crew plan influence degree 808, a work plan influence degree 809, and an operation cost 810 as illustrated in Fig. 8 .
  • a number satisfying the conditions of the yard condition data 111 is stored in the constraint satisfying number 802, and a number satisfying the conditions of the facility condition data 112 is stored in the facility satisfying number 803.
  • a number that is likely to be failed in supply with respect to the number of passengers with demand acquired from the demand management system 20 when allocating the vehicle specified by the vehicle ID 801 is stored in the excess boarding number 804. That is, the excess boarding number 804 indicates the number of passengers who fails to board on the vehicle, and thus, the number is preferably minus as in the example illustrated in the third row of Fig. 8 . However, when an absolute value is large even if the number is minus, the capacity of the vehicle is wasted.
  • the minimum preparation time 805 indicates a time required from a determination of an allocation of the vehicle specified by the vehicle ID 801 to start of using the vehicle in the main line. There is also a case where it is difficult to immediately use the vehicle depending on an inspection status of the vehicle and the crew plan, and thus, results determined based on various plans and vehicle states are stored.
  • the day inspection status 806 stores presence or absence of an inspection scheduled on the day when the vehicle is allocated or whether a vehicle is in the middle of the inspection.
  • the shunting plan influence degree 807, the crew plan influence degree 808, and the work plan influence degree 809 are information necessary for service of the allocated vehicle and the inspection and vehicle management inside the vehicle yard, and are numerical values of degrees of changes caused by allocating the vehicle to the scheduled plans.
  • the operation cost 810 is a numerical value of total cost generated by the plan changes and is calculated based on the shunting plan influence degree 807, the crew plan influence degree 808, and the work plan influence degree 809.
  • Fig. 9 is a view illustrating an operation flow until the vehicle allocation support system 10 outputs a vehicle allocation candidate and completes an allocation in the vehicle allocation support system illustrated in Fig. 1 .
  • the vehicle allocation support system 10 when receiving the vehicle allocation implementation request from the railway traffic management system 30 or the inspection management system 50 (step 901), the vehicle allocation support system 10 first derives a vehicle allocation candidate that satisfies the constraint condition of the yard and the condition of the vehicle (step 902). Incidentally, such derivation of the vehicle allocation candidate will be described in detail with reference to Fig. 10 .
  • the vehicle allocation support system 10 After deriving the vehicle allocation candidate, the vehicle allocation support system 10 transmits the derived vehicle candidate to the display device 60 via the network 70, and causes the display device 60 to display the vehicle candidate.
  • the vehicle allocation support system 10 notifies the railway traffic management system 30 of the determined vehicle information (step 904).
  • step 905 when the vehicle to be allocated is not determined based on the vehicle candidate displayed on the display device 60, change information input to the display device 60 by the user is received (step 905), and the processing returns to the process of step 902 to implement the process of deriving the vehicle allocation candidate again.
  • the vehicle allocation support system 10 After the vehicle to be allocated is determined, the vehicle allocation support system 10 notifies the inspection management system 50 of presence or absence of a change in the inspection plan (step 906).
  • Fig. 10 is a view for describing the operation flow of the vehicle candidate extraction unit 103 illustrated in Fig. 3 , and illustrates a detailed flow of the process in step 902 illustrated in Fig. 9 .
  • the vehicle candidate extraction unit 103 acquires various types of information from the demand management system 20 and the railway traffic management system 30 connected via the network 70 (step 1001). More specifically, the vehicle candidate extraction unit 103 acquires the number of passengers with demand for each time zone from the demand management system 20, and acquires train diagram data to allocate the vehicle from the railway traffic management system 30.
  • the train diagram data includes at least service information such as a route name, a service time, start and last stations, and whether a vehicle is express or not.
  • the vehicle candidate extraction unit 103 updates each vehicle state with respect to the vehicles stored in the vehicle data 113, and extract vehicles allocable in a requested time zone by satisfying the number of people with demand and the train diagram data acquired from the demand management system 20 and the railway traffic management system 30 (step 1002). At this time, whether a vehicle is staying in the vehicle yard or being inspected is not concerned.
  • the vehicle candidate extraction unit 103 extracts a vehicle satisfying at least one or more of the facility conditions and the yard constraint conditions from the vehicles extracted in step 1002 based on the yard condition data 111 and the facility condition data 112 (step 1003).
  • the vehicle candidate extraction unit 103 calculates a difference between the number of passengers with demand acquired from the demand management system 20 and the number of supply of vehicles extracted in step 1003 (step 1004). Incidentally, the difference serves as the excess boarding number of the vehicle allocation candidate data.
  • the vehicle candidate extraction unit 103 acquires the vehicle inspection data including inspection history indicating history of inspections performed on all vehicles managed in the vehicle yard and an inspection plan indicating a plan of inspections to be implemented for all the vehicles from the inspection management system 50, and specifies an inspection state of the vehicle extracted in step 1004 (step 1005).
  • the inspection state indicates presence or absence of a day inspection of each vehicle (whether the inspection is planned on a day when the vehicle is allocated) and whether the inspection has been completed if the inspection is planned.
  • the vehicle candidate extraction unit 103 extracts a vehicle that can be allocated to a train from among vehicles whose inspections have been completed in a time zone in which the allocation of the vehicle to the train is requested by the allocation implementation request received from the railway traffic management system 30 or the inspection management system 50, extracts, from among the extracted vehicles, a vehicle that satisfies the constraint condition and the facility condition and enables the number of passengers with demand to be transported from the extracted vehicles, and stores vehicle data of the vehicle in the vehicle allocation candidate data 114 (step 1006).
  • the vehicle whose inspection has been completed by the time of the train is allocated to the train based on the inspection history and the inspection plan, and thus, it is possible to reliably implement the allocation of the vehicle to the train consistent with the implementation of the inspection.
  • Fig. 11 is a view for describing the operation flow of the influence determination unit 104 illustrated in Fig. 3 .
  • the influence determination unit 104 acquires the vehicle data stored in the vehicle allocation candidate data 114 by the vehicle candidate extraction unit 103 (step 1101), and recalculates an in-yard shunting plan which is a plan concerning circulation of vehicles using the plan creation system 40 for each candidate vehicle (step 1102).
  • the in-yard shunting plan is an implementation plan of work of moving vehicles in the yard of the vehicle yard. More specifically, information on the vehicle to be allocated and train diagram information are transmitted to the plan creation system 40, and a result of recalculation is acquired.
  • the recalculation is implemented such that only a plan of newly allocated vehicles can be added in order not to change the original plan as much as possible, that is, without changing the shunting plan of another vehicle.
  • the recalculated result is compared with the original plan to specify a changed point (step 1103).
  • the influence determination unit 104 recalculates a crew allocation plan which is which is a plan concerning an allocation of crews to a train (step 1104).
  • the crew allocation plan is a work plan of crews to be allocated to a service train. In this case, recalculation is implemented so as not to change the original plan as much as possible similarly to the in-yard shunting plan.
  • the recalculated result is compared with the original plan to specify a changed point (step 1105).
  • the influence determination unit 104 acquires inspection plan data managed by the inspection management system 50, and refers to the inspection plan data to specify whether a work plan has been recalculated (step 1106).
  • the work plan indicates an implementation plan of inspection or cleaning work with respect to a vehicle. Such work is usually implemented inside the vehicle yard before allocating a vehicle to a train.
  • the influence determination unit 104 refers to the acquired inspection plan data, and when an inspection of the day is allocated to a candidate vehicle and is not yet implemented, transmits the information of the vehicle to be allocated and the train diagram information to the plan creation system 40 such that the work plan is recalculated (step 1107). After acquiring the calculation result from the plan creation system 40, the recalculated result is compared with the original plan to specify the changed point (step 1108).
  • the influence determination unit 104 calculates plan influence degrees and a minimum preparation time based on change contents to the plans specified so far (step 1109).
  • the plan influence degree is an index indicating how much operation cost is required for the vehicle yard by changing various plans as compared to before the change. For example, weighting is applied to a change content for each plan specified in steps 1103 and 1105, for example, one point if a plan of another vehicle is changed, five points if additional work is generated due to the plan change, and a degree of influence due to the plan change is calculated.
  • the minimum preparation time indicates a time taken from a determination of an allocation as a result of the plan change to use of a vehicle. The minimum preparation time is specified from a re-planned shunting plan.
  • the influence determination unit 104 specifies changes generated, respectively, in the shunting plan, the crew plan and the work plan, and calculates cost required for the specified changes as the operation cost.
  • the changes generated in the shunting plan, the crew plan and the work plan, respectively are specified and the cost required for the changes is calculated as the operation cost so that it is possible to present the operation cost which is objectively comparable and which is a part caused by the changes.
  • cost required for a change of a shunting plan is taken as an influence degree on the shunting plan, cost required for a new allocation of crews and/or a change of an allocation of crews as an influence degree on the crew plan, and cost required for new work and/or a change of work as an influence degree on the work plan, and to total the influence degree on the shunting plan, the influence degree on the crew plan, and the influence degree on the work plan as the operation cost.
  • each of the degrees of influence on the shunting plan, the crew plan, and the work plan is calculated for the extracted candidate and the operation cost is calculated by totaling the influence degree on the shunting plan, the influence degree on the crew plan, and the influence degree on the work plan in this manner, it is possible to present the operation cost in consideration of the influence on the shunting plan, the influence on the crew plan, and the influence on the work plan.
  • step 1109 is performed without performing the processes of steps 1107 and 1108.
  • the influence determination unit 104 updates the vehicle allocation candidate data 114 based on the data specified in steps 1103, 1105, 1108, and 1109, and ends the processing (step 1110).
  • Fig. 12 is a view for describing the operation flow of the vehicle allocation support system illustrated in Fig. 1 including data exchange among the vehicle allocation support system 10, the demand management system 20, the railway traffic management system 30, the plan creation system 40, the inspection management system 50, and the display device 60.
  • a vehicle allocation implementation request is transmitted from the railway traffic management system 30 or the inspection management system 50 to the vehicle allocation support system 10 due to a train diagram change, an inspection delay or the like (step 1201).
  • the vehicle allocation support system 10 acquires the demand information from the demand management system 20 (step 1202) and acquires the inspection information and inspection plan information from the inspection management system 50 (step 1203).
  • the vehicle allocation support system 10 derives a vehicle allocation candidate based on the acquired pieces of information (step 1204).
  • the vehicle allocation support system 10 requests re-planning to the plan creation system 40 (step 1205) to acquire the recalculated plan data (step 1206).
  • the vehicle allocation support system 10 transmits specified vehicle allocation candidate to the display device 60 (step 1207).
  • the user 80 confirming the vehicle allocation candidate displayed on the display device 60 determines a vehicle to be allocated or requests re-allocation (step 1208).
  • step 1204 When the user 80 requests the re-allocation of the vehicle, the vehicle allocation candidate deriving process in step 1204 is performed again (step 1209).
  • the display device 60 notifies the vehicle allocation support system 10 of data of the determined vehicle to be allocated (step 1210).
  • the vehicle allocation support system 10 notifies the railway traffic management system 30 of the vehicle data of the vehicle to be allocated (step 1211), notifies the inspection management system 50 of the inspection plan data, and ends the processing.
  • Fig. 13 is a view illustrating an example of the vehicle facility selection screen displayed on the display device 60 illustrated in Fig. 1 .
  • the display device 60 illustrated in Fig. 1 displays the vehicle facility selection screen displaying the vehicle allocation candidates derived by the vehicle allocation support system.
  • a train name 1302 for which an allocation is requested a facility condition 1303 required for the train, a vehicle name 1310 of an allocation candidate to be allocated to the train, facility information 1311 held by the allocation candidate vehicle with the vehicle name 1310, excess boarding number 1304 in service when the allocation candidate vehicle with the vehicle name 1310 is allocated to the train with the train name 1302, a minimum time 1305 until the train is dispatched from the yard to the main line when the allocation candidate vehicle with the vehicle name 1310 is allocated to the train with the train name 1302, and an allocation change button 1306 are displayed on the vehicle facility selection screen displayed on the display device 60.
  • the minimum time 1305 from the yard to the main line is set, for example, in advance to a time threshold (for example, 10 minutes). If time is within the threshold, it is determined to "seem to be immediately dispatched", which is displayed.
  • the facility information 1309 constituting the facility condition 1303 displays a facility stored in the facility condition data 112, and setting can be canceled by pressing an icon if the facility is desirably removed from vehicle conditions.
  • the facility information 1311 in the candidate vehicle indicates presence or absence of a facility with " ⁇ ", " ⁇ ", or “ ⁇ ”, but an expression method may use a description with characters or other symbols.
  • the index to be displayed can be added or deleted according to the determination of the user referring to the screen if it is an item registered in the facility condition data 112 illustrated in Fig. 6 . For example, it is conceivable to display a concrete numerical value such as five hours as the time 1305 when the vehicle is dispatched from the yard.
  • a yard influence detail screen 1308 is popped up and can confirm detailed information on influence on the vehicle yard.
  • a vehicle allocation inspector in the vehicle yard can perform selection while comparing the number of people that can be supplied with the vehicle displayed on this screen and presence or absence of a facility with a passenger demand, and the influence on the yard.
  • Fig. 14 is a view illustrating an example of the yard management screen displayed on the display device 60 illustrated in Fig. 1 .
  • the display device 60 illustrated in Fig. 1 displays a yard management screen 1401 illustrated in Fig. 14 .
  • the yard management screen 1401 is a screen configured to facilitate grasping of an operating state of the yard and a tendency of an index that needs to be shared with the service provider and displays a service state 1402 for each route and a KPI graph 1403 managed by the vehicle yard.
  • the service state 1402 for each route displays a train diagram which is a service status with respect to a route name 14022 when the candidate is applied in a graph format, and properly updates the train diagram in accordance with a change of the service status.
  • the screen is updated and displayed such that a train diagram requesting the vehicle can be distinguished by using bold characters or changing color so as to be distinguishable as a specific train diagram 14021.
  • the KPI graph 1403 of the vehicle yard graphically displays: an index that needs to be shared with the service provider, such as a congestion rate and an on-time service rate, relating to the train diagram when the candidate is applied; and an index that needs to be grasped and improved by a manager of the vehicle yard such as the operation cost, an inspection achievement rate, and a worker load.
  • an index that needs to be shared with the service provider such as a congestion rate and an on-time service rate, relating to the train diagram when the candidate is applied
  • an index that needs to be grasped and improved by a manager of the vehicle yard such as the operation cost, an inspection achievement rate, and a worker load.
  • a current time 14023 illustrated in the service state 1402 for each route is changed, display of the KPI graph 1403 of the vehicle yard is updated to the actual KPI if the it is the past time or to predicted KPI if it is time previous to the current time.
  • the user can graphically view a value of the index at each time and its change and evaluate the candidate.
  • the display device 60 is caused to display the vehicle facility selection screen 1301 by pressing a vehicle facility selection screen interlocking button 14024 displayed on the yard management screen 1401.
  • the display device 60 displays the vehicle facility selection screen 1301 such that the condition of the item included in the facility condition can be designated and changed.
  • a candidate vehicle whose KPI displayed in the KPI graph 1403 of the yard management screen 1401 is desirably confirmed is selected on the vehicle facility selection screen 1301 displayed on the display device 60
  • the display of the KPI graph 1403 of the yard management screen is updated in accordance with predicted change data, and a difference 1401 between the KPIs before and after the allocation is displayed.
  • a difference 1401 between the KPIs before and after the allocation is displayed.
  • a congestion rate 14026 before allocating the vehicle is 85%, but a congestion rate 14026 after allocating the vehicle is 80% so that it is possible to confirm that the congestion rate can be reduced by 5% as one of effects of the vehicle allocation.
  • the user 80 confirms a change rate of the KPI graph 1403 when the vehicle allocation occurs while managing the KPI of the yard, and thus, can designate or change the condition of the item included in the facility condition using the vehicle facility selection screen 1301 so that it is possible to implement a better vehicle allocation.
  • a candidate is extracted by the vehicle candidate extraction unit 103 under the new facility condition, and the display device 60 displays a train diagram when the candidate is applied and a KPI when the candidate is applied, for the extracted candidate.
  • the user can confirm the train diagram and index for the candidate while designating or changing the facility condition and evaluate the candidate.
  • the vehicle candidate which satisfies the constraint condition and the facility condition and is allocable to the train on the train diagram to be capable of transporting the number of passengers with demand, is searched, the operation cost required to allocate the vehicle is calculated, and the vehicle candidate and the operation cost are displayed.
  • the system can be used by a user such as the service provider who manages train service, determines the train diagram change, and requests the vehicle allocation to the yard.
  • a user such as the service provider who manages train service, determines the train diagram change, and requests the vehicle allocation to the yard.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Claims (8)

  1. Fahrzeugzuteilungsunterstützungssystem (10), das eine Arbeit eines Zuteilens eines Fahrzeugs zu einem Zug einer Eisenbahn unterstützt, wobei das System umfasst:
    eine Beschränkungsverwaltungseinheit (101), die ausgestaltet ist, um eine Beschränkungsbedingung, die ein zu erfüllendes Element beim Zuteilen eines Fahrzeugs in einem Fahrzeugdepot zu einem Zug angibt, wobei die Beschränkungsbedingung für jedes Fahrzeugdepot ermittelt wird, und eine Einrichtungsbedingung zu verwalten, die eine Einrichtung, die in einem Fahrzeug umfasst sein soll, das einem Zug zugeteilt werden soll, angibt, wobei die Einrichtungsbedingung für jeden Zeitpunkt und/oder jede Route ermittelt wird;
    eine Fahrzeugkandidatenextraktionseinheit (103), die ausgestaltet ist, um einen Kandidaten eines Fahrzeugs, das dem Zug an einem Zugdiagramm zugeteilt werden soll, zu extrahieren, wobei der Kandidat durch Suchen nach einem Fahrzeug, das dem Zug an dem Zugdiagramm zugeteilt werden kann, um die Beschränkungsbedingung und die Einrichtungsbedingung zu erfüllen und um in der Lage zu sein, eine Anzahl von Fahrgästen mit Bedarf zu transportieren, wenn eine Information hinsichtlich der Anzahl von Fahrgästen mit Bedarf, die eine Anzahl von Fahrgästen ist, die durch den Zug transportierbar sein müssen, zusammen mit einer Zuteilungsrealisierungsanforderung zum Realisieren einer Zuteilung eines Fahrzeugs zu einem Zug an dem Zugdiagramm bereitgestellt wird, extrahiert wird; und
    eine Einflussermittlungseinheit (104), die ausgestaltet ist, um Betriebskosten für den extrahierten Kandidaten basierend auf Einflussgraden zu berechnen, die Grade an Einfluss auf einen Rangierplan, der ein Plan ist, der eine Verteilung von Fahrzeugen betrifft, einen Fahrpersonalplan, der ein Plan ist, der eine Zuteilung von Fahrpersonal zu einem Zug betrifft, und einen Arbeitsplan, der ein Plan ist, der eine Arbeit, die eine Fahrzeuginspektion umfasst, betrifft, sind;
    wobei das Fahrzeugzuteilungsunterstützungssystem (10) ausgestaltet ist, um die Betriebskosten in Bezug auf den extrahierten Kandidaten an einer Anzeigeeinrichtung (60) anzuzeigen;
    wobei die Einflussermittlungseinheit (104) ferner ausgestaltet ist, um jeden von den Graden an Einfluss auf den Rangierplan, den Fahrpersonalplan und den Arbeitsplan für die extrahierten Kandidaten zu berechnen, und um die Betriebskosten durch Summieren des Einflussgrads auf den Rangierplan, des Einflussgrads auf den Fahrpersonalplan und des Einflussgrads auf den Arbeitsplan zu berechnen,
    wobei die Einflussermittlungseinheit (104) ferner ausgestaltet ist, um eine Änderung zu spezifizieren, die in jedem von dem Rangierplan, dem Fahrpersonalplan und dem Arbeitsplan erzeugt wird, wenn ein Fahrzeug als der extrahierte Kandidat dem Zug zugeteilt wird, und
    um Kosten, die für die spezifizierte Änderung erforderlich sind, als die Betriebskosten zu berechnen.
  2. Fahrzeugzuteilungsunterstützungssystem nach Anspruch 1, wobei die Fahrzeugkandidatenextraktionseinheit (103) ausgestaltet ist, um
    einen Inspektionsverlauf, der einen Verlauf von Inspektionen, die an allen in dem Fahrzeugdepot verwalteten Fahrzeugen durchgeführt wurden, angibt, und einen Inspektionsplan, der einen Plan von Inspektionen, die für alle Fahrzeuge realisiert werden sollen, angibt, zu erlangen,
    Fahrzeuge, die dem Zug zugeteilt werden können, aus Fahrzeugen zu extrahieren, deren Inspektionen in einer Zeitzone abgeschlossen wurden, in der eine Zuteilung eines Fahrzeugs zu einem Zug durch die Zuteilungsrealisierungsanforderung angefordert wird, und
    aus den extrahierten Fahrzeugen ein Fahrzeug zu extrahieren, das die Beschränkungsbedingung und die Einrichtungsbedingung erfüllt und ermöglicht, die Anzahl von Fahrgästen mit Bedarf zu transportieren.
  3. Fahrzeugzuteilungsunterstützungssystem nach Anspruch 1, wobei
    die Anzeigeeinrichtung (60) ausgestaltet ist, um die Vielzahl von extrahierten Kandidaten basierend auf einem Grad eines Erfüllens der Einrichtungsbedingung und den Betriebskosten einzustufen, und um die extrahierten Kandidaten in der Reihenfolge der Einstufung anzuordnen und anzuzeigen.
  4. Fahrzeugzuteilungsunterstützungssystem nach Anspruch 1, wobei
    die Anzeigeeinrichtung (60) ferner ausgestaltet ist, um für die extrahierten Kandidaten ein Zugdiagramm in einem Graphformat, wenn die Kandidaten angewandt werden, und einen Index, der bezüglich des Zugdiagramms verbessert werden muss, wenn die Kandidaten angewandt werden, anzuzeigen.
  5. Fahrzeugzuteilungsunterstützungssystem nach Anspruch 4, wobei
    die Anzeigeeinrichtung (60) ausgestaltet ist, um den Index zu einem vorgesehenen Änderungszeitpunkt anzuzeigen, wenn eine zeitliche Änderung an der Anzeige des Zugdiagramms vorgesehen ist.
  6. Fahrzeugzuteilungsunterstützungssystem nach Anspruch 4, wobei
    die Anzeigeeinrichtung (60) ausgestaltet ist, um eine Anzeige durchzuführen, um zu ermöglichen, eine Bedingung eines Elements, das in der Einrichtungsbedingung umfasst ist, vorzusehen und zu ändern, und um zu bewirken, dass, wenn die Bedingung des Elements spezifiziert oder geändert wird, die Fahrzeugkandidatenextraktionseinheit einen Kandidaten unter einer neuen Einrichtungsbedingung extrahiert, und ein Zugdiagramm, wenn der Kandidat angewandt wird, und einen Index, wenn der Kandidat angewandt wird, für den Kandidaten anzeigt.
  7. Von einem Computer ausführbares Fahrzeugzuteilungsunterstützungsverfahren zum Unterstützen einer Arbeit eines Zuteilens eines Fahrzeugs zu einem Zug einer Eisenbahn, wobei das Verfahren umfasst:
    einen Beschränkungsverwaltungsprozess zum Verwalten einer Beschränkungsbedingung, die ein zu erfüllendes Element beim Zuteilen eines Fahrzeugs in einem Fahrzeugdepot zu einem Zug angibt, wobei die Beschränkungsbedingung für jedes Fahrzeugdepot ermittelt wird, und einer Einrichtungsbedingung, die eine Einrichtung, die in einem Fahrzeug umfasst sein soll, das einem Zug zugeteilt werden soll, angibt, wobei die Einrichtungsbedingung für jeden Zeitpunkt und/oder jede Route ermittelt wird;
    einen Fahrzeugkandidatenextraktionsprozess zum Extrahieren eines Kandidaten eines Fahrzeugs, das dem Zug an einem Zugdiagramm zugeteilt werden soll, wobei der Kandidat durch Suchen nach einem Fahrzeug, das dem Zug an dem Zugdiagramm zugeteilt werden kann, um die Beschränkungsbedingung und die Einrichtungsbedingung zu erfüllen und um in der Lage zu sein, eine Anzahl von Fahrgästen mit Bedarf zu transportieren, wenn eine Information hinsichtlich der Anzahl von Fahrgästen mit Bedarf, die eine Anzahl von Fahrgästen ist, die durch den Zug transportierbar sein müssen, zusammen mit einer Zuteilungsrealisierungsanforderung zum Realisieren einer Zuteilung eines Fahrzeugs zu einem Zug an dem Zugdiagramm bereitgestellt wird, extrahiert wird;
    einen Einflussermittlungsprozess zum Berechnen von Betriebskosten für den extrahierten Kandidaten basierend auf Einflussgraden, die Grade an Einfluss auf einen Rangierplan, der ein Plan ist, der eine Verteilung von Fahrzeugen betrifft, einen Fahrpersonalplan, der ein Plan ist, der eine Zuteilung von Fahrpersonal zu einem Zug betrifft, und einen Arbeitsplan, der ein Plan ist, der eine Arbeit, die eine Fahrzeuginspektion umfasst, betrifft, sind; und
    einen Anzeigeprozess zum Anzeigen der Betriebskosten in Bezug auf den extrahierten Kandidaten,
    wobei der Einflussermittlungsprozess ferner ausgestaltet ist, um jeden von den Graden an Einfluss auf den Rangierplan, den Fahrpersonalplan und den Arbeitsplan für die extrahierten Kandidaten zu berechnen, und die Betriebskosten durch Summieren des Einflussgrads auf den Rangierplan, des Einflussgrads auf den Fahrpersonalplan und des Einflussgrads auf den Arbeitsplan berechnet,
    wobei der Einflussermittlungsprozess ferner ausgestaltet ist, um eine Änderung zu spezifizieren, die in jedem von dem Rangierplan, dem Fahrpersonalplan und dem Arbeitsplan erzeugt wird, wenn ein Fahrzeug als der extrahierte Kandidat dem Zug zugeteilt wird, und
    um Kosten, die für die spezifizierte Änderung erforderlich sind, als die Betriebskosten zu berechnen.
  8. Programm, das ausgestaltet ist, um zu bewirken, dass ein Computer ausführt:
    eine Beschränkungsverwaltungsprozedur zum Verwalten einer Beschränkungsbedingung, die ein zu erfüllendes Element beim Zuteilen eines Fahrzeugs in einem Fahrzeugdepot zu einem Zug angibt, wobei die Beschränkungsbedingung für jedes Fahrzeugdepot ermittelt wird, und einer Einrichtungsbedingung, die eine Einrichtung, die in einem Fahrzeug umfasst sein soll, das einem Zug zugeteilt werden soll, angibt, wobei die Einrichtungsbedingung für jeden Zeitpunkt und/oder jede Route ermittelt wird;
    eine Fahrzeugkandidatenextraktionsprozedur zum Extrahieren eines Kandidaten eines Fahrzeugs, das dem Zug an einem Zugdiagramm zugeteilt werden soll, wobei der Kandidat durch Suchen nach einem Fahrzeug, das dem Zug an dem Zugdiagramm zugeteilt werden kann, um die Beschränkungsbedingung und die Einrichtungsbedingung zu erfüllen und um in der Lage zu sein, eine Anzahl von Fahrgästen mit Bedarf zu transportieren, wenn eine Information hinsichtlich der Anzahl von Fahrgästen mit Bedarf, die eine Anzahl von Fahrgästen ist, die durch den Zug transportierbar sein müssen, zusammen mit einer Zuteilungsrealisierungsanforderung zum Realisieren einer Zuteilung eines Fahrzeugs zu einem Zug an dem Zugdiagramm bereitgestellt wird, extrahiert wird;
    eine Einflussermittlungsprozedur zum Berechnen von Betriebskosten für den extrahierten Kandidaten basierend auf Einflussgraden, die Grade an Einfluss auf einen Rangierplan, der ein Plan ist, der eine Verteilung von Fahrzeugen betrifft, einen Fahrpersonalplan, der ein Plan ist, der eine Zuteilung von Fahrpersonal zu einem Zug betrifft, und einen Arbeitsplan, der ein Plan ist, der eine Arbeit, die eine Fahrzeuginspektion umfasst, betrifft, sind;
    eine Anzeigeprozedur zum Anzeigen der Betriebskosten in Bezug auf den extrahierten Kandidaten,
    wobei die Einflussermittlungsprozedur ferner ausgestaltet ist, um jeden von den Graden an Einfluss auf den Rangierplan, den Fahrpersonalplan und den Arbeitsplan für die extrahierten Kandidaten zu berechnen, und die Betriebskosten durch Summieren des Einflussgrads auf den Rangierplan, des Einflussgrads auf den Fahrpersonalplan und des Einflussgrads auf den Arbeitsplan berechnet,
    wobei die Einflussermittlungsprozedur ferner ausgestaltet ist, um eine Änderung zu spezifizieren, die in jedem von dem Rangierplan, dem Fahrpersonalplan und dem Arbeitsplan erzeugt wird, wenn ein Fahrzeug als der extrahierte Kandidat dem Zug zugeteilt wird, und
    um Kosten, die für die spezifizierte Änderung erforderlich sind, als die Betriebskosten zu berechnen.
EP19159979.4A 2018-09-11 2019-02-28 Fahrzeugzuweisungsunterstützungssystem, -verfahren und -programm Active EP3623257B1 (de)

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