WO2015166727A1 - 運転支援システム - Google Patents
運転支援システム Download PDFInfo
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- WO2015166727A1 WO2015166727A1 PCT/JP2015/057401 JP2015057401W WO2015166727A1 WO 2015166727 A1 WO2015166727 A1 WO 2015166727A1 JP 2015057401 W JP2015057401 W JP 2015057401W WO 2015166727 A1 WO2015166727 A1 WO 2015166727A1
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- train
- time
- speed limit
- information
- speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/40—Adaptation of control equipment on vehicle for remote actuation from a stationary place
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/32—Control or regulation of multiple-unit electrically-propelled vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/32—Control or regulation of multiple-unit electrically-propelled vehicles
- B60L15/38—Control or regulation of multiple-unit electrically-propelled vehicles with automatic control
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/60—Navigation input
- B60L2240/62—Vehicle position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/60—Navigation input
- B60L2240/64—Road conditions
- B60L2240/642—Slope of road
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Definitions
- the present invention relates to a driving support system that supports driving of a train.
- Patent Document 1 As background art in this technical field. This gazette describes a method of giving a speed limit created from the reference operation time to the train. As a method of giving the speed limit created from the reference running time, paragraph 0022 of Patent Document 1 shows that the reference running time between stations is used.
- Train operation is performed according to a schedule prepared in advance, but in actual operation, there may be a delay due to an increase in station stop time associated with passengers getting on and off the station.
- the time at which the subsequent train arrives at the station can be calculated using the driving interval, which is information indicating the time interval required between the preceding train and the following train. I can do it.
- the travel time mentioned above is information obtained from the relationship between the position and speed that can be traveled by the train performance with respect to the gradient and curve of the route, the arrival time and the previous station If the time difference between the departure times is equal to or longer than the preceding travel time, it can be determined that the following train can keep the arrival time calculated above. However, if the above time difference is greater than the preceding travel time, the following train must travel at a lower speed than the previous driving curve and arrive at the station according to the specified travel time.
- the reference travel time which is the reference for trains between stations
- the reference travel time is an operation curve diagram that shows the possible travel conditions in relation to position and speed based on the train performance and the gradient and curve information of the route on which the train travels. It is known that the travel time between stations is determined as the reference travel time from the graph.
- Patent Document 1 although the reference travel time between stations can be given to the train as a speed limit, no consideration is given to the case of traveling at a time slower than the reference travel time.
- Patent Document 2 shows a method for giving a correspondence between position and speed as a prediction pattern for a train.
- the relationship between the driving interval and the predicted pattern is not taken into consideration.
- an existing signal device such as ATS (Automatic Train Stop) and ATC (Automatic Train Control).
- ATS or ATC is a method to prevent train collision by managing the course of the train in one or more closed sections and performing control so that there is at most one train in one closed section. . For this reason, when a train travels from the next closed section to the next closed section, the train must enter the next closed section if the distance from the preceding train is small and the train preceding the next closed section is not missing. Stops before the boundary of the closed section without permission. The train then re-accelerates after it is allowed to enter the next closed section.
- signaling devices such as ATS and ATC aim at preventing train collision by keeping the train speed below the speed limit.
- This speed limit is determined according to the positional relationship with other trains, route curves and slope information. Since the train operation curve is premised on traveling according to the speed limit, the minimum value of the travel time when traveling at the upper limit of the speed limit can be obtained. However, when the train travels at a lower speed than the previous driving curve and the travel time increases, there is no constraint condition other than that the train speed is less than the speed limit. For this reason, the train speed corresponding to the travel time cannot be obtained from the signal device for the specified travel time given to the train.
- the following train may not be able to maintain the driving interval with the preceding train unless it travels at a speed lower than the speed corresponding to the reference travel time. .
- An object of the present invention is to realize smooth running of a train so that the train arrives at a station at a designated time even when the train runs at a speed lower than the driving curve.
- the present invention provides a plan schedule of a train planned in advance, a minimum operation interval that is a required time interval between a preceding train and a succeeding train, and a restriction that each train can travel.
- a storage unit that stores an operation curve indicating a relationship between a speed and a train position; a predicted departure time at which a subsequent train departs from a predetermined station when a delay occurs in operation of the train; and the predetermined station
- the driving curve is set so that the running time when traveling on a curve is the difference time, or the average speed when traveling on the driving curve is the average speed when traveling between stations with the difference time.
- Correction process and correction Wherein the process of providing a speed limit determined from operating curve to the subsequent train, an arithmetic processing unit for execution, characterized in that it comprises a.
- the train operation when the train operation is delayed by using the above-described means, even if the train travels at a speed lower than the operation curve, the train can be smoothly routed so that the train arrives at the station at the designated time. Can be realized.
- the train operation prediction apparatus of this invention manages. It is an example of the content of the speed limit production information when not having the train departure time preparation device of the present invention. It is another example of the content of the speed limit production information when not having the train departure time preparation device of the present invention. It is the figure which showed the apparatus structure when not having the train departure time preparation apparatus of this invention. It is the figure which showed the structure of the speed limit creation information creation apparatus when not having the train departure time preparation apparatus of this invention. It is an example which hold
- an operation management device that gives a speed limit to a train based on operation prediction information will be described.
- FIG. 1 is an example of a configuration diagram of the operation management apparatus of the present embodiment.
- the train 101 When the train 101 travels on the route 103, it receives transmission information 202 from the information transmission device 201 and displays it on the information display device 102.
- the operation management device 301 transmits the transmission information 202 from the information transmission device 308 to the information transmission device 201.
- the transmission information 202 is received from the train operation prediction device 303 and the speed limit creation device 304.
- the train operation prediction device 303 performs processing using the output of the train arrival / departure management device 309, the diagram information 302, and the output of the train departure time preparation device 306, and the train operation prediction information as a calculation result is obtained from the train departure time preparation device 306.
- the data is output to the speed limit creation device 304 and the information transmission device 308.
- the train departure time preparation device 306 processes the train operation prediction information received from the train operation prediction device 303 using the train departure time preparation information 307 and feeds back the result to the train operation prediction device 303.
- the speed limit creating apparatus 304 processes the train operation prediction information received from the train operation predicting apparatus 303 using the speed limit creating information 305 and outputs speed limit information as a calculation result to the information transmitting apparatus 308.
- the train 101 travels manually or automatically according to the speed limit information displayed on the information display device 102. Since the method of traveling manually or automatically is known, the description thereof is omitted.
- the information transmission apparatus 201 and the information transmission apparatus 308 are known means such as communication using a wireless LAN, a public mobile phone line, or an LCX cable.
- the train 101 is controlled by a signal device.
- the signal device is a known device such as ATS or ATC.
- the hardware configuration of the operation management device includes a CPU, a memory, a nonvolatile storage medium (not shown), and a bus for connecting them.
- the CPU transfers the program from the non-volatile storage medium to the memory and executes the program. Examples of the program to be executed include an operating system (OS) and an application program that runs on the OS.
- the memory is a temporary storage area for the CPU to operate, and stores, for example, an OS and application programs transferred from a nonvolatile storage medium.
- the non-volatile storage medium is an information storage medium that stores an OS, an application program, a device driver, and a program for operating the CPU 101, and also stores the execution result of the program.
- nonvolatile storage medium examples include a hard disk drive (HDD), a solid state drive (SSD), and a flash memory.
- the nonvolatile storage medium 109 may be an easily removable external storage medium.
- an external storage medium for example, a flexible disk (FD), an optical disk such as a CD or a DVD, a flash memory such as a USB memory or a compact flash (registered trademark) can be used.
- FIG. 9 shows an example of the diagram information 302 that the operation management device 301 has.
- the schedule information 302 includes time values of departure planned times 501-01 to 501-33 and arrival planned times 502-01 to 502-33 of the trains 101-1 to 101-3 at the stations 503-0 to 503-3, and each station.
- the preceding train will reach the front traffic light before passing through the blockage section in the traveling direction, There is a risk that the following train is prohibited from entering the closed section by a traffic light and stops between stations.
- operation time interval which is the information which showed the time interval required between a preceding train and a succeeding train can be created from a driving
- FIG. An example of train arrival and departure time information managed by the train arrival and departure management device 309 is shown in FIG.
- departure actual times 601-01 to 601-33, which are actual departure times at the stations 503-0 to 503-3, and actual arrival times 602-01 to 602-33, which are actual arrival times, are managed.
- the actual departure times 601-01 to 601-33 and the actual arrival times 602-01 to 602-33 are blank in the initial state, and each time the train departs or arrives at the station, the corresponding time in the corresponding column in FIG. Overwritten with information.
- a clock of the operation management apparatus 301 is used as the time information.
- the train operation predicting device 303 has the departure actual times 601-01 to 601-33, which are train arrival and departure time information managed by the train arrival and departure management device 309 shown in FIG. Reflecting actual arrival times 602-01 to 602-33, train operation prediction information is created.
- An example of train operation prediction information is shown in FIG. Here, predicted departure times 701-11 to 701-23, which are predicted departure times of each train at each station, and predicted arrival times 702-01 to 702-33, which are predicted arrival times, are created.
- the estimated departure times 701-01 to 701-33 and the estimated arrival times 702-01 to 702-33 are the same as the scheduled departure times 501-01 to 501-33 and the estimated arrival times 502-01 to 502-33 in the initial state.
- the column becomes blank.
- the operation prediction information is created every time at least the actual departure times 601-01 to 601-33 or the actual arrival times 602-01 to 602-33 shown in FIG. 10 are overwritten.
- the actual departure time 601-21 which is the time when the train 101-1 actually departed from the station 503-2 shown in FIG. 10, is delayed by the time width dt from the planned departure time 501-21 held in the diagram information 302. The case will be described.
- the actual departure time 601-21 is assumed to be earlier than the station 503-1 departure planned time 501-12 of the train 101-2.
- the delay time width dt of the actual departure time 601-21 with respect to the planned departure time 501-21 is determined at the actual departure time 601-21.
- the actual departure time 601 as a predicted value based on the experience and statistics of the operator. -It may be set before 21.
- the time width dt can be calculated by the following equation (1).
- the estimated arrival time 702-31 of the station 503-3 can be calculated from the estimated arrival time 502-31 by the following equation (2).
- 702-31 502-31 + dt (2)
- the scheduled departure time 501-12 is applied as it is to the predicted departure time 701-12 of the station 503-1. From this, 701-12 becomes following Formula (3).
- the estimated arrival time 702-22 of the station 502-2 of the train 101-2 is the arrival plan of the train 101-2 because the difference between the arrival planned time and the departure planned time of each train exceeds the departure / arrival time interval 505-2.
- the larger time value can be set. Accordingly, 702-22 can be calculated by the following equation (4).
- the train operation prediction device 303 creates train operation prediction information.
- the arrival time of each train can be calculated using the departure time and departure / arrival time of the preceding train.
- the train departure time creation device 306 creates the train departure time using the train departure time creation information 307 for the train operation prediction information created by the train operation prediction device 303.
- An example of train departure time creation information 307 is shown in FIG. Here, information of 4 trains as the maximum number of trains between stations and 45 km / h as the minimum speed is held. The maximum number of trains between stations is determined by the control content and the number of blocks of a known signaling device such as ATS or ATC.
- FIG. 30 shows an example in which a train can exist simultaneously in all closed sections between stations under the control of a signaling device.
- route 103 has closed sections 104-1 to 104-6, and trains can exist in all of the closed sections 104-1 to 104-6 at the same time, the maximum number of trains is 101-1 to 101-6. Therefore, the maximum number of trains between stations is equal to the number of closed sections.
- FIG. 31 shows an example in which a train can exist at every other closed section between stations under the control of the signaling device. If route 103 has closed sections 104-1 to 104-6, and trains can exist simultaneously in every other closed section 104-1 to 104-6, the maximum number of trains is 101-1 to 101-3. Therefore, the maximum number of trains between stations is equal to half the number of closed sections.
- the processing flow of the train departure time preparation device 306 is shown in FIG. Starting from the process 1001, predicted departure times 701-11 to 701-23 and estimated arrival times 702-21 to 702-33 are obtained between the stations of all trains in the process 1002. The number of trains between stations at the predicted departure times 701-11 to 701-23 and the average speed between the stations are obtained.
- the departure actual time 601-21 is the station 503-1 of the train 101-2. Since the time is earlier than the planned departure time 501-12, the number of inter-station trains including the planned departure time 501-12 is all zero.
- the average speed V between stations can be calculated by the following equation (5) from the inter-station distances 504-12 to 504-23, predicted departure times 701-11 to 701-23, and predicted arrival times 702-21 to 702-33. .
- V212 (702-22-701-12) / 504-12 (6)
- the calculation result is 40 km / h for the average speed V212 between the station 503-1 and the station 502-2 of the train 101-2.
- the number of inter-station trains calculated in process 1004 is larger than the maximum number of trains between stations, or that the calculated average speed V is smaller than the minimum speed. From FIG. 7, the maximum number of trains between stations is 4 trains and the minimum speed is 45 km / h, whereas the calculated number of trains between stations is 0 and the average speed V212 is 40 km / h. Meet the conditions.
- the predicted departure time of the station in front of the train is lowered by the process 1005. Then, the predicted departure time after the predicted departure time of the station in front of the train is recalculated, and the calculated flag at the recalculated location is cleared.
- the predicted departure time 701-12 of the near station is lowered by the time width dt2 in order to make V212 equal to 45 km / h with respect to the above-mentioned average speed V212. From this, 701-12 can be calculated by the following equation (7).
- step 1008 the processing ends in step 1008.
- the speed limit creation device 304 creates speed limit information to be given to the train 101 using the speed limit creation information 305.
- the speed limit creation information 305 An example of the contents of the speed limit creation information 305 is shown in FIG. Since the predicted operation information has predicted departure times 701-11 to 701-23, predicted arrival times 702-21 to 702-33, and inter-station distances 504-1 to 504-23, the average speed V is calculated from equation (5). it can. On the other hand, since the train operates according to the speed limit, the speed limit creation information 305 has a correspondence table of average speed and speed limit.
- FIG. 2 shows a configuration example of the speed limit creation information creation device 401 that creates speed limit creation information 305.
- the speed limit creation information creation device 401 creates speed limit creation information 305 using the train performance information 402 and the route information 403.
- Train performance information 402 includes information such as train acceleration performance and deceleration performance, maximum speed, and travel resistance according to the tunnel shape.
- the route information 403 includes information such as route gradient and curvature, tunnel shape and section, for example.
- An operation curve diagram can be created from the contents of the train performance information 402 and the contents of the route information 403.
- the speed limit creation information creation device 401 uses the train performance information 402 and the route information 403 to set a speed limit and creates an operation curve diagram corresponding to the speed limit. An example of this is shown in FIG. In addition to the method for creating the operation curve 411 described above, operation curves according to the speed limit 412-1 to 412-3 are created. For example, an operation curve 413-2 according to the speed limit 412-2 is shown in FIG. By creating the operation curve 413-2 according to the speed limit 412-2, the travel time when traveling according to the speed limit 412-2 can be obtained. By carrying out the same procedure for all speed limits, the travel time corresponding to the speed limit can be obtained. The running speed can be calculated by using the equation (5).
- the speed limit creation information creation device 401 shown in FIG. 2 can create speed limit creation information 305 of FIG. 5 that is correspondence information between the average speed and the speed limit.
- the speed limit creation device 304 creates a speed limit as transmission information 202 to be given to the train 101 using the speed limit creation information 305 of FIG.
- the speed limit creation information 305 of FIG. For example, in the case of the equation (7) in which the average speed V212 between the station 503-1 and the station 502-2 of the train 101-2 is 45 km / h, the speed limit corresponding to the average speed 45 km / h is shown in FIG. Is 55 km / h, the speed limit 55 km / h is sent as the transmission information 202 for the train 101 via the information transmission device 308 and the information transmission device 201.
- the transmission information 202 is input with train speed prediction information generated by the speed limit and the train operation prediction device 303. Further, the train operation prediction information has a predicted departure time and an estimated arrival time for each train at each station from FIG.
- the transmission information 202 includes the speed limit and the start and end points of the speed limit range, the station that is the start point of the speed limit range and the predicted departure time of the station, the station that is the end point of the speed limit range and the predicted arrival time of the station. It becomes a target.
- the station that is on the near side of the train travel direction from the start point of the speed limit range the predicted departure time of the station, the station that is on the train travel direction side from the end point of the speed limit range, and the predicted arrival time of the station This is called departure time information.
- the transmission information 202 given to the train 101-2 is the train number of the train 101 which is the target train, the speed limit 55km / h, and the station 503-1 which is the starting point of the speed limit as the speed limit setting range.
- the station 502-2 which is the end point of the speed limit, and the departure time information as the departure time information, the station name of the station 503-1 and the predicted time 701-12 of the station 503-1 which is the front of the traveling direction of the train from the start point of the speed limit range
- a predicted arrival time having a station name of the station 502-2 on the traveling direction side of the train from the end point of the speed range and an estimated arrival time 702-22 is sent. This is shown in equation (8).
- the transmission information 202 of Expression (8) is output after the actual departure time 601-21 is detected.
- the station 503-1 Information of speed limit 55 km / h, speed limit start station 503-1, speed limit hunting station 502-2, predicted departure time 701-12, and predicted arrival time 702-22.
- the train 101-2 departs from the station 503-1 in accordance with the estimated departure time 701-12, travels between the stations 503-1 and 503-2 according to the speed limit, and arrives at the station 502-2 at the estimated arrival time. You can arrive according to 702-22.
- the train number of train 101-2 is 11M
- the speed limit is 55km / h
- the station that is the starting point of the speed limit range is ABC station
- the station that is the end point of the speed limit range is DEF station
- the estimated departure time of the ABC station that is on the near side of the traveling direction of the train from the start point of the speed limit range is 13:50:00
- the estimated arrival time of the DEF station that is on the traveling direction side of the train from the end point is 15:54:30
- FIG. 34 shows an example of transmission contents and transmission timing when the actual departure time 601-21 is 13:45:00.
- the information to be sent as the transmission information 202 may be the entire contents of Expression (8) or may be a part of the information.
- the transmission information 202 since the train does not leave the station before the predicted departure time 701-12, the transmission information 202 may be only the predicted departure time, only the predicted departure time and the speed limit, or only the speed limit.
- the transmission information 202 since the train is running after the predicted departure time 701-12 and before the predicted arrival time 702-22, the transmission information 202 may be only the speed limit or the speed limit and the estimated arrival time. Further, at times after the predicted arrival time 702-22, the transmission information 202 may be only the predicted arrival time. These are shown in equations (9) to (13).
- Transmission information 202 “train number” “departure station” “departure predicted time” (9)
- Transmission information 202 “train number” “restricted speed” “restricted speed start station” “restricted speed end station” “departure station” “departure predicted time” (10)
- Transmission information 202 “train number” “speed limit” “speed limit start station” “speed limit end station” (11)
- Transmission information 202 “train number” “limit speed” “limit speed start station” “limit speed end station” “arrival station” “estimated arrival time” (12)
- Transmission information 202 “train number” “arrival station” “estimated arrival time” (13)
- the transmission information 202 may be sent blank or may be sent after filling the corresponding field.
- the contents of the transmission information 202 of the equations (8) to (13) shown in FIG. 34 may be sent once or a specified number of times when the transmission timing condition is satisfied in the transmission timing time range of FIG. Further, for example, the same information may be sent at regular time intervals in the same manner as the periodic transmission of the ATC device, which is a known procedure, and if the information changes, the changed information may be sent in the same way.
- the content of equation (10) shown in FIG. 34 is sent, for example, at a cycle of 1 second before 13:50:00, and after 13:50:00, the content of equation (12) is similarly used until 13:54:30. It may be sent in a cycle of 1 second, and after 13:54:30, the content of equation (13) may be sent in a cycle of 1 second.
- the conditions for giving the speed limit may be to give a start position and an end position for each train separately for each section and for each train individually. It is also possible to give a start position and an end position without limiting trains, between stations, without limiting trains, with sections, and without limiting trains.
- FIG. 33 shows an example in which the route 103 shown in FIG. 1 is represented by sections 105-1 to 105-4 and the respective boundaries are managed at positions 107-1 to 107-5.
- the positions 107-1 to 107-5 have a distance from the reference position of the route 103, for example.
- the inter-station may be a start station and an end station that represent one or more continuous stations.
- the section may be specified by a predetermined section number, or may be specified by the start position and end position of the section.
- train number is 11M
- speed limit is 55 km / h Equations (19) to (20) show the case where the speed is 100 km / h, the maximum speed of the section is 90 km / h, the speed limit start station is ABC station, and the speed limit end station is DEF station.
- Another example of the contents of the predicted departure time shown in equations (8) to (10) is shown below.
- the predicted departure time 701-12 reflecting the deferred time width dt2 shown in the equation (7) may be sent as the predicted departure time, or the deferred time width dt2 shown in the equation (7) and the equation (3) before the reflection.
- the estimated departure time 701-12 may be sent.
- only the deferred time width dt2 may be sent, or the time difference between the predicted departure time 701-12 and the planned departure time 501-12 reflecting the deferred time width dt2 shown in Expression (7) may be sent.
- the train number is 11M
- the departure station is ABC station
- estimated departure time 701-12 of Equation (7) Is 13:52:30, carry-down time width dt2 is 00:02:30, estimated departure time 701-12 of formula (3) is 13:50:00, and planned departure time 501-12 is 13:50:00 Are shown in equations (21) to (24).
- Another example of the contents of the predicted arrival times shown in equations (8) and (12) to (13) is shown below.
- the train number is 11M
- the arrival station is DEF
- the estimated arrival time 702-22 is 15:54: 30 and the case where the estimated arrival time 502-22 is 15:53:30 is shown in Expression (25).
- the train 101 displays the speed limit 55 km / h included in the received transmission information 202 on the information display device 102 and travels according to the speed limit.
- the travel of the train 101 according to the speed limit is information created by the speed limit creating device 304 based on the operation prediction information. Since it is confirmed that the operation prediction information is less than the maximum number of trains between stations indicated in the train departure time creation information 307 and the average speed is more than the minimum speed, Traveling is less than the maximum number of trains between stations, and the average speed is above the minimum speed.
- the means for displaying is a known device that represents the received information, for example, by display on a display or voice guidance using a speaker.
- the information display device 102 receives the estimated speed limit information created by the speed limit creation device 304 as the information included in the transmission information 202, and the predicted departure time and arrival prediction time as the operation prediction information created by the train operation prediction device 303. Speed information, estimated departure time, and estimated arrival time can be displayed.
- FIG. 23 shows a case where the speed limit is displayed on the display.
- the speed limit is displayed on the train before departure and on the running train by displaying until the time indicated by the estimated arrival time.
- FIG. 24 shows a case where the speed limit information is displayed on the display.
- the displayed content is, for example, an operation curve 413-2 according to the speed limit 412-2 shown in FIG.
- the information transmission apparatus 201 holds the content of the operation curve 411 and displays a range of speed within the region of the operation curve 411 and lower than the speed limit 412-2, thereby illustrating traveling according to the speed limit.
- FIG. 25 shows a case where the speed limit and the estimated arrival time are displayed on the display.
- FIG. 25 displays the speed limit information and the estimated arrival time on the traveling train by performing display after the received estimated departure time and before the received estimated arrival time.
- FIG. 26 shows a case where the station departure time and the speed limit are displayed on the display.
- FIG. 26 displays the departure time and the speed limit on the train before the departure by displaying until the time indicated by the received estimated departure time.
- FIG. 27 shows a case where a station departure time, a speed limit, and a station arrival time are displayed on a display.
- FIG. 27 displays the departure time, the speed limit, and the arrival time on the train before the departure by displaying until the time indicated by the received predicted departure time.
- the display of FIGS. 23 to 27 may display all information at once, or may switch and display each information.
- the information name such as “speed limit” and the information content such as “55 km / h” may be displayed at the same time, or the information name and the information content may be switched and displayed, for example, at a constant time period. .
- the operation management device 301 determines the departure and arrival of the train according to the estimated departure time and the estimated arrival time of the operation prediction information, the maximum number of trains between the stations, and the average speed that is equal to or higher than the minimum speed. Driving is possible.
- the train 101 When the train 101 travels on the route 103, it receives the transmission information 202 from the information transmission device 201 and displays it on the information display device 102.
- the operation management device 301 transmits the transmission information 202 from the information transmission device 308 to the information transmission device 201.
- the transmission information 202 is received from the train operation prediction device 303 and the speed limit creation device 304.
- the train operation prediction device 303 performs processing using the output of the train arrival / departure management device 309, the diagram information 302, and the output of the speed limit creation device 304, and transmits train operation prediction information as a calculation result to the speed limit creation device 304 and information transmission. Output to the device 308.
- the speed limit creation device 304 processes the train operation prediction information received from the train operation prediction device 303 using the speed limit creation information 305, outputs the speed limit information of the calculation result to the information transmission device 308, and train operation The prediction information is fed back to the train operation prediction device 303.
- the train 101, the information display device 102, the information transmission device 201, the diagram information 302, the train operation prediction device 303, the information transmission device 308, and the train arrival / departure management device 309 are the same as those in the first embodiment.
- FIG. 15 shows a configuration example of the speed limit creation information creation device 401 that creates speed limit creation information 305 used by the speed limit creation device 304.
- the speed limit creation information creation device 401 creates speed limit creation information 305 using the train performance information 402, the route information 403, and the speed limit minimum speed information 404.
- the train performance information 402 and the route information 403 are the same as those in the first embodiment.
- the speed limit creation information creation device 401 sets the speed limit using the train performance information 402 and the route information 403, and creates an operation curve diagram corresponding to a speed limit higher than the speed limit minimum speed information 404.
- the speed limit minimum speed information 404 has information of 55 km / h, for example.
- the speed limit creation information creation device 401 applies an average speed to the speed limit higher than the value of the speed limit minimum speed information 404 by the same procedure as in the first embodiment shown in FIGS. And the correspondence between the average speed and the speed limit is stored in the speed limit creation information 305.
- An example of the speed limit creation information 305 is shown in FIG. Since the speed limit minimum speed information 404 is 55 km / h, the generated speed limit information 305 does not have lower speed limit information than that of the speed limit 55 km / h.
- the speed limit creating device 304 creates a speed limit to be given to the train 101 using the created speed limit creating information 305 of FIG.
- the speed limit corresponding to the average speed 45 km / h is shown in FIG. 55 km / h, 55 km / h is sent to the train 101 via the information transmission device 308 and the information transmission device 201 as a speed limit.
- the speed limit creation apparatus 304 recalculates the predicted station departure time using the lowest average speed among the average speeds held in the speed limit creation information 305 of FIG. From the equation (7) of the first embodiment, the average speed V212 is equal to 45 km / h when the predicted departure time 701-12 at the near station is decremented by the time width dt2. The content is changed to the value of equation (7), and the train operation prediction information is fed back to the train operation prediction device 303.
- the speed limit given to the train can be made higher than the speed limit minimum speed information 404.
- the operation management device 301 can operate the train 101 with the average speed exceeding the minimum speed and the departure and arrival of the train according to the predicted departure time and arrival prediction time of the operation prediction information.
- FIG. 1 The overall configuration of the device is shown in FIG. In FIG. 1, the implementation items and information contents of the apparatus excluding the speed limit creating apparatus 304 and the speed limit creating information 305 are the same as those in the first embodiment.
- the limits corresponding to different average speeds due to rounding errors or rounding off of the calculation There are cases where the speed values are the same. For example, in the case of the speed limit creation information 305 shown in FIG. 5, the speed limits corresponding to the average speed of 84 km / h and 83 km / h are both 99 km / h. Similarly, the speed limits corresponding to the average speed of 82 to 80 km / h are all 98 km / h.
- the speed limit creation information 305 when the same speed limit corresponds to different average speeds, only the speed limit corresponding to the lowest average speed is stored. As a result, for the speed limit 99 km / h corresponding to the above average speed 84 km / h and 83 km / h, only the relationship between the average speed 83 km / h and the speed limit 99 km / h is retained. Similarly, for the speed limit 98 km / h corresponding to the average speed 82 to 80 km / h, only the relationship between the average speed 80 km / h and the speed limit 98 km / h is retained. Accordingly, the content of the speed limit creation information 305 shown in FIG. 5 becomes the content shown in FIG. 6, and the amount of data to be held can be reduced.
- FIG. 20 shows a procedure when the speed limit creation device 304 calculates the speed limit from the average speed using the speed limit creation information 305 shown in FIG.
- the average speed is calculated from the predicted departure time and the estimated arrival time in the process 2002.
- the average speed held in the speed limit creation information 305 corresponding to the average speed calculated in the process 2003 is acquired.
- the average speed is 84 km / h
- the average speed is less than 84 km / h and 83 km / h which is the largest value by the process 2005.
- a speed limit corresponding to the average speed acquired in process 2006 is acquired. Since the average speed is 83 km / h, the corresponding speed limit is 99 km / h from FIG. Then, the process ends in the process 2007.
- the speed limit 99 km / h corresponding to the average speed 84 km / h calculated from the predicted departure time and the predicted arrival time according to this procedure is the average speed 84 km described in the speed limit creation information 305 shown in FIG. 5 used in the first embodiment. This is the same content as the speed limit 99 km / h corresponding to / h.
- the operation management device 301 determines the departure and arrival of the train according to the estimated departure time and the estimated arrival time of the operation prediction information, the maximum number of trains between the stations, and the average speed that is equal to or higher than the minimum speed. Driving is possible.
- FIG. 1 The overall configuration of the device is shown in FIG. In FIG. 1, the implementation items and information contents of the devices other than the speed limit creation device 304, the speed limit creation information 305, the train departure time creation device 306, and the train departure time creation information 307 are all the same as those in the first embodiment.
- the train departure time creation device 306 creates the train departure time using the train departure time creation information 307 for the train operation prediction information created by the train operation prediction device 303.
- An example of train departure time creation information 307 is shown in FIG. Here, information of 4 trains as the maximum number of trains between stations and 120 seconds as the maximum travel time is held.
- the processing flow of the train departure time preparation device 306 is shown in FIG. Starting from process 3001, predicted departure times 701-11 to 701-23 and predicted arrival times 702-21 to 702-33 are acquired between the stations of all trains at process 3002. The number of trains between the stations at the predicted departure times 701-11 to 701-23 and the travel time between the stations are obtained.
- the departure actual time 601-21 is the station 503-1 of the train 101-2. Since the time is earlier than the planned departure time 501-12, the number of inter-station trains including the planned departure time 501-12 is all zero.
- the traveling time T between the stations can be calculated from the predicted departure times 701-11 to 701-23 and the predicted arrival times 702-21 to 702-33 by the following equation (31).
- Travel time (Estimated arrival time of next station-Estimated departure time of near station) (31)
- the traveling time T212 between the station 503-1 and the station 502-2 of the train 101-2 can be calculated by the following equation (32).
- T212 (702-22-701-12) (32)
- the calculation result is 150 seconds for the traveling time T212 between the station 503-1 and the station 502-2 of the train 101-2.
- the number of trains between stations calculated in the process 3004 is greater than the maximum number of trains between stations, or that the calculated travel time T is greater than the maximum travel time.
- the maximum number of trains between stations is 4 trains and the maximum travel time is 120 seconds, whereas the calculated number of trains between stations is 0 and the travel time T212 is 150 seconds.
- the condition of the process 3004 is satisfied, the predicted value of the departure time of the station in front of the train is lowered in the process 3005. Then, the predicted departure time after the predicted departure time of the station in front of the train is recalculated, and the calculated flag at the recalculated location is cleared.
- 701-12 can be calculated by the following equation (33).
- step 3007 the same processing is performed for all stations of all trains. When all the calculations have been completed, the processing ends in step 3008.
- the operation prediction information is less than or equal to the maximum number of trains between the stations indicated in the train departure time creation information 307 and that the travel time is less than or equal to the maximum travel time.
- the speed limit creation information 305 An example of the content of the speed limit creation information 305 is shown in FIG. Since the operation prediction information has estimated departure times 701-11 to 701-23 and estimated arrival times 702-21 to 702-33, the travel time T can be calculated from the equation (31). On the other hand, since the train operates according to the speed limit, the speed limit creation information 305 has a correspondence table of travel time and speed limit.
- FIG. 2 shows a configuration example of the speed limit creation information creation device 401 that creates speed limit creation information 305.
- the speed limit creation information creation device 401 creates speed limit creation information 305 using the train performance information 402 and the route information 403.
- the contents of the train performance information 402 and the route information 403 are the same as those in the first embodiment.
- the speed limit creation information creation device 401 uses the train performance information 402 and the route information 403 to set a speed limit and creates an operation curve diagram corresponding to the speed limit. An example of this is shown in FIG. In addition to the method for creating the operation curve 411 described above, operation curves according to the speed limit 412-1 to 412-3 are created. For example, an operation curve 413-2 according to the speed limit 412-2 is shown in FIG. By creating the operation curve 413-2 according to the speed limit 412-2, the travel time when traveling according to the speed limit 412-2 can be obtained. By carrying out the same procedure for all speed limits, the travel time corresponding to the speed limit can be obtained. By repeating this, the speed limit creation information creation device 401 shown in FIG. 2 can create speed limit creation information 305 of FIG. 16 that is correspondence information between the travel time and the speed limit.
- the speed limit creating device 304 creates a speed limit to be given to the train 101 using the created speed limit creating information 305 of FIG. For example, in the case of Equation (32) in which the traveling time T212 between the station 503-1 and the station 502-2 of the train 101-2 is 120 seconds, the speed limit corresponding to the traveling time of 120 seconds is 55 km from FIG. Therefore, 55 km / h is sent as a speed limit to the train 101 via the information transmission device 308 and the information transmission device 201.
- the train 101 displays the received speed limit 55 km / h on the information display device 102 and travels according to the speed limit.
- the travel of the train 101 according to the speed limit is information created by the speed limit creating device 304 based on the operation prediction information. Since it is confirmed that the operation prediction information is less than the maximum number of trains between the stations indicated in the train departure time creation information 307 and the travel time is less than the maximum travel time, the train 101 according to the speed limit The traveling of the vehicle is less than the maximum number of trains between stations and the traveling time is less than the maximum traveling time.
- the operation management apparatus 301 is configured so that the train 101 departs and arrives according to the estimated departure time and the estimated arrival time of the operation prediction information, the maximum number of trains between the stations, and the traveling time is equal to or less than the maximum traveling time. Can be operated.
- the speed limit creation information 305 used by the speed limit creation device 304 for calculating the speed limit the correspondence between the travel time between stations and the speed limit is maintained, and the speed limit is set for the train based on the operation prediction information.
- a train departure time creation information and an operation management device without a train departure time creation device will be described.
- FIG. 14 The equipment configuration is shown in FIG. Each apparatus in FIG. 14 performs the processing described in the second embodiment except for the speed limit creating apparatus 304 and the speed limit creating information 305.
- FIG. 15 shows a configuration example of the speed limit creation information creation device 401 that creates speed limit creation information 305 used by the speed limit creation device 304.
- the speed limit creation information creation device 401 creates speed limit creation information 305 using train performance information 402, route information 403, and speed limit maximum travel time information 405. Among these, the train performance information 402 and the route information 403 are the same as those in the first embodiment.
- the speed limit maximum travel time information 405 has information of 120 seconds as the maximum travel time shown in FIG. As a result, the speed limit creation information creation device 401 creates speed limit creation information 305 with a maximum travel time of 120 seconds. An example of the speed limit creation information 305 is shown in FIG. Since the speed limit maximum travel time information 405 is 120 seconds, the created speed limit creation information 305 does not have information on a speed limit lower than the speed limit of 55 km / h corresponding to the travel time of 120 seconds.
- the speed limit creating device 304 creates a speed limit to be given to the train 101 using the created speed limit creating information 305 of FIG. For example, when the traveling time T212 between the station 503-1 and the station 502-2 of the train 101-2 shown in the above equation (32) is 120 seconds, the limit corresponding to the traveling time of 120 seconds is shown in FIG. Since the speed is 55 km / h, 55 km / h is sent to the train 101 as a speed limit via the information transmission device 308 and the information transmission device 201.
- the speed limit creation device 304 recalculates the predicted station departure time using the longest travel time among the travel times held in the speed limit creation information 305 of FIG. From the equation (33) of the fifth embodiment, the traveling time T212 is equal to 120 seconds when the predicted departure time 701-12 at the near station is lowered by the time width dt2, so that the content of the predicted departure time 701-12 at the near station is equal to 120 seconds. Is changed to the value of equation (33), and the train operation prediction information is fed back to the train operation prediction device 303.
- the speed limit given to the train can be set higher than the speed limit minimum speed information 404.
- the operation management apparatus 301 can operate the train 101 in which the travel time is equal to or less than the maximum travel time and the train departure and arrival according to the predicted departure time and arrival predicted time of the operation prediction information.
- the overall configuration of the apparatus is shown in FIG. In FIG. 14, the implementation items and information contents of the apparatus excluding the speed limit creating apparatus 304 and the speed limit creating information 305 are all the same as in the sixth embodiment.
- the speed limit creation information 305 when calculating the driving time corresponding to the speed limit 412-1 to 412-3 and calculating the driving time, the limit corresponding to different driving time due to rounding error of the calculation or rounding off, etc. There are cases where the speed values are the same. For example, in the case of the speed limit creation information 305 shown in FIG. 16, the speed limits corresponding to travel times of 91 seconds and 92 seconds are both 99 km / h. Similarly, the speed limit corresponding to the travel time of 93 to 95 seconds is 98 km / h.
- the speed limit creation information 305 when the same speed limit corresponds to different travel times, only the speed limit corresponding to the lowest travel time value is retained.
- the speed limit of 99 km / h corresponding to the traveling time of 91 seconds and 92 seconds described above holds only the relationship between the traveling time of 92 seconds and the speed limit of 99 km / h.
- the speed limit 98 km / h corresponding to the travel time of 93 to 95 seconds only the relationship between the travel time 95 seconds and the speed limit 98 km / h is retained. Accordingly, the content of the speed limit creation information 305 shown in FIG. 16 becomes the content shown in FIG. 17, and the amount of data to be held can be reduced.
- FIG. 29 shows a procedure when the speed limit creating device 304 calculates the speed limit from the travel time using the speed limit creating information 305 shown in FIG.
- the travel time is calculated from the estimated departure time and the estimated arrival time in a process 4002.
- the travel time held in the speed limit creation information 305 corresponding to the average speed calculated in the process 4003 is acquired.
- the travel time is 94 seconds
- the travel time is set to 94 seconds or more and 95 seconds which is the smallest value by the processing 4005.
- a speed limit corresponding to the travel time acquired in process 4006 is acquired. Since the running time is 94 seconds, the corresponding speed limit is 98 km / h from FIG. Then, processing 4007 ends.
- the speed limit 98 km / h corresponding to the travel time 94 seconds calculated from the predicted departure time and the predicted arrival time according to this procedure is the travel time 94 seconds described in the speed limit creation information 305 shown in FIG. 16 used in the fifth embodiment.
- the operation management device 301 determines the departure and arrival of the train according to the estimated departure time and the estimated arrival time of the operation prediction information, the maximum number of trains between the stations, and the average speed that is equal to or higher than the minimum speed. Driving is possible.
- this invention is not limited to the above-mentioned Example, Various modifications are included.
- the above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the configurations described.
- a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment.
- Each of the above-described configurations, functions, processing units, processing means, and the like may be realized by hardware by designing a part or all of them with, for example, an integrated circuit.
- Each of the above-described configurations, functions, and the like may be realized by software by interpreting and executing a program that realizes each function by the processor.
- Information such as programs, tables, and files that realize each function can be stored in a memory, a hard disk, a recording device such as an SSD (Solid State Drive), or a recording medium such as an IC card, an SD card, or a DVD.
- SSD Solid State Drive
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Abstract
Description
しかし、特許文献1では、駅間の基準走行時間を制限速度として列車に与えることはできるが、基準走行時間より遅い時間で走行する場合については何ら考慮されていない。
また情報伝送装置201及び情報送信装置308は、例えば無線LANや公衆携帯電話回線、LCXケーブルを用いた通信等の公知の手段である。
列車101―1は駅503―2を時間幅dtだけ遅れたので、駅503―3の到着予測時刻702―31は到着計画時刻502―31より次式(2)で計算できる。
列車101―2について、駅503―1の出発予測時刻701―12は出発計画時刻501―12をそのまま適用する。これより701―12は次式(3)となる。
また列車101―2の駅503―2の到着予測時刻702―22は、各列車の到着計画時刻と出発計画時刻の差は発着時隔505―2を超えることより、列車101―2の到着計画時刻と、先行する列車である列車101―1の駅503―2における出発実績時刻に発着時隔505―2を加えた時刻のうち、大きい方の時刻値が設定可能な時刻となる。これより702―22は、次式(4)で計算できる。
= MAX(502―22, 501―21 + dt +505―2) ・・・式(4)
列車101―2の駅503―2の出発予定時刻701―22以降についても、同様の計算で求めることが出来る。この手順を繰り返すことで、列車運行予測装置303は列車運行予測情報を作成する。このように各列車の到着時刻を、先行する列車の出発時刻と発着時隔を用いて計算することができる。
駅間の列車数最大値は、公知のATSやATCなどの信号装置の制御内容と閉そく数によって定まる。例えば信号装置の制御で駅間の閉そく区間全てに同時に列車が存在出来る場合の例を図30に示す。路線103に閉そく区間104-1~104-6があり、この閉そく区間104-1~104-6の全てに同時に列車が存在出来る場合、列車は最大で列車101-1~101-6が在線するので、駅間の列車数最大値は閉そく区間数と等しくなる。また信号装置の制御で駅間の閉そく区間のひとつ置きに同時に列車が存在出来る場合、の例を、図31に示す。路線103に閉そく区間104-1~104-6があり、この閉そく区間104-1~104-6のひとつ置きに同時に列車が存在出来る場合、列車は最大で列車101-1~101-3が在線するので、駅間の列車数最大値は閉そく区間数の半分と等しくなる。
= (次駅の到着予測時刻 - 手前駅の出発予測時刻)/ 駅間距離 ・・・式(5)
これより列車101―2の駅503―1と駅503―2間における平均速度V212は次式(6)で計算できる。
ここでは列車101―2の駅503―1と駅503―2間における平均速度V212について、計算結果が40km/hとする。
= 501―12 + dt2 ・・・式(7)
これにより平均速度V212は最低速度45km/hを満たすので、処理1003に戻って平均速度を再計算し、処理1004で判定すると条件を満たさないため、処理1006に入る。処理1006は当該個所について計算済みを管理するフラグをセットする。そして処理1007で全列車全駅間について同様の処理を行い、全てについて計算済みとなると処理1008で終了となる。
この運行予測情報について、制限速度作成装置304は、制限速度作成情報305を用いて、列車101に与える制限速度情報を作成する。
= 「列車番号」「制限速度」「制限速度の始点駅」「制限速度の終点駅」「出発駅名」「出発予測時刻」「到着駅名」「到着予測時刻」
= 「列車101―2の列車番号」「制限速度55km/h」「制限速度開始駅503―1」「制限速度終了駅503―2」「駅503―1の駅名」「出発予測時刻701―12」「駅503―2の駅名」「到着予測時刻702―22」 ・・・式(8)
式(8)の伝送情報202は、出発実時刻601―21を検出した以降に出力を行う。出発実時刻601―21は、列車101―2の駅503―1における出発計画時刻501―12より早い時刻としているので、列車101―2は駅503―1を出発する以前に、駅503―1と503―2の間の制限速度55km/h、制限速度開始駅503―1、制限速度狩猟駅503―2、出発予測時刻701―12、到着予測時刻702―22の情報を得る。これにより列車101―2は駅503―1を出発予測時刻701―12に従って出発し、駅503―1と503―2の間を制限速度に従った走行を行い、駅503―2に到着予測時刻702―22に従って到着することが出来る。式(8)の伝送情報202について、列車101―2の列車番号を11M、制限速度を55km/h、制限速度範囲の始点となる駅をABC駅、制限速度範囲の終点となる駅をDEF駅、制限速度範囲始点より列車の進行方向手前側となるABC駅の出発予測時刻を13:50:00、の終点より列車の進行方向側となるDEF駅の到着予測時刻を15:54:30とし、また出発実時刻601―21を13:45:00とする場合の伝送内容例と伝送タイミングを、図34に示す。
伝送情報202 = 「列車番号」「制限速度」「制限速度開始駅」「制限速度終了駅」「出発駅」「出発予測時刻」 ・・・式(10)
伝送情報202 = 「列車番号」「制限速度」「制限速度開始駅」「制限速度終了駅」 ・・・式(11)
伝送情報202 = 「列車番号」「制限速度」「制限速度開始駅」「制限速度終了駅」「到着駅」「到着予測時刻」 ・・・式(12)
伝送情報202 = 「列車番号」「到着駅」「到着予測時刻」 ・・・式(13)
また、式(9)~(13)について、伝送内容例と伝送タイミングを、図34に示す。図34において、例えば式(9)における制限速度は不要な情報のため、伝送情報202では空欄を送っても良いし、当該個所の欄を詰めて送っても良い。
伝送情報202 = 「列車番号」「制限速度」「制限速度開始位置」「制限速度終了位置」 ・・・式(15)
伝送情報202 = 「全列車共通フラグ」「制限速度」「制限速度開始駅」「制限速度終了駅」 ・・・式(16)
伝送情報202 = 「全列車共通フラグ」「制限速度」「制限速度区間番号」 ・・・式(17)
伝送情報202 = 「全列車共通フラグ」「制限速度」「制限速度開始位置」「制限速度終了位置」 ・・・式(18)
式(14)~(18)について、各列車個別及び列車を限定せずに区間106―3として456を送る場合、各列車個別及び列車を限定せずに開始位置107―3として78.9kmと終了位置107―5として89.0kmを送る場合の伝送内容例を図35に示す。
別の例を以下に示す。制限速度として上記手順で作成した制限速度の代わりに、制限速度から制限速度の対象となる駅間の最高速度を引いた値、あるいは制限速度から制限速度の対象となる区間の最高速度を引いた値を送ってもよい。前出の式(11)に示した伝送情報202として列車番号と制限速度と制限速度開始駅と制限速度終了駅を送る場合について、列車番号が11M、制限速度が55km/h、駅間の最高速度が100km/h、区間の最高速度が90km/h、制限速度開始駅をABC駅、制限速度終了駅をDEF駅の場合を式(19)~(20)に示す。
= 「11M」「-45km/h」「ABC駅」「DEF駅」 ・・・式(19)
伝送情報202 = 「列車番号」「制限速度 - 区間の最高速度」「制限速度開始駅」「制限速度終了駅」
= 「11M」「-40km/h」「ABC駅」「DEF駅」 ・・・式(20)
式(8)~(10)に示した出発予測時刻の内容について、別の例を以下に示す。出発予測時刻として式(7)に示した繰り下げ時間幅dt2を反映した出発予測時刻701―12を送っても良いし、式(7)に示した繰り下げ時間幅dt2と反映前の式(3)の出発予測時刻701―12を送っても良い。また繰り下げ時間幅dt2だけを送っても良いし、式(7)に示した繰り下げ時間幅dt2を反映した出発予測時刻701―12と出発計画時刻501―12との時間差を送っても良い。前出の式(9)に示した伝送情報202として列車番号と出発駅と出発予測時刻を送る場合について、列車番号が11M、出発駅がABC駅、式(7)の出発予測時刻701―12が13:52:30、繰り下げ時間幅dt2が00:02:30、式(3)の出発予測時刻701―12が13:50:00、出発計画時刻501―12が13:50:00の場合を式(21)~(24)に示す。
= 「11M」「ABC駅」「13:52:30」 ・・・式(21)
伝送情報202 = 「列車番号」「出発駅」「繰り下げ時間幅dt2」「式(3)の出発予測時刻701―12」
= 「11M」「ABC駅」「00:02:30」「13:50:00」 ・・・式(22)
伝送情報202 = 「列車番号」「出発駅」「繰り下げ時間幅dt2」
= 「11M」「ABC駅」「00:02:30」 ・・・式(23)
伝送情報202 = 「列車番号」「出発駅」「式(7)の出発予測時刻701―12 - 出発計画時刻501―12」
= 「11M」「ABC駅」「00:02:30」 ・・・式(24)
式(8)、(12)~(13)に示した到着予測時刻の内容について、別の例を以下に示す。到着予測時刻として到着予測時刻702―22と到着計画時刻502―22との時間差を送っても良い。
= 「11M」「DEF駅」「00:01:00」 ・・・式(25)
列車101は受け取った伝送情報202に含まれる制限速度55km/hを情報表示装置102に表示し、制限速度に従った走行を行う。
また本方式により駅間での停止を回避することで、走行中の列車に発生する加減速度の変化頻度を最小限にすることが出来る。これにより乗り心地を向上することが出来る。
装置構成を図14に示す。
= (次駅の到着予測時刻 - 手前駅の出発予測時刻) ・・・式(31)
これより列車101―2の駅503―1と駅503―2間における走行時間T212は次式(32)で計算できる。
ここでは列車101―2の駅503―1と駅503―2間における走行時間T212について、計算結果が150秒とする。
処理3004の条件を満たした場合、処理3005で当該列車の手前駅出発時刻予測値を繰り下げる。そして当該列車の手前駅出発時刻予測値以降の発予測時刻を再計算し、再計算箇所の計算済フラグをクリアする。
= 501―12 + dt2 ・・・式(33)
これにより走行時間T212は最大走行時間120秒を満たすので、処理3003に戻って平均速度を再計算し、処理3004で判定すると条件を満たさないため、処理3006に入る。処理3006は当該個所について計算済みを管理するフラグをセットする。そして処理3007で全列車全駅間について同様の処理を行い、全てについて計算済みとなると処理3008で終了となる。
制限速度作成情報305の作成において、制限速度412―1~412―3に対応する運転曲線を計算して走行時間を計算する際に、計算の丸め誤差や四捨五入などによって、異なる走行時間に対応する制限速度の値が同じである場合が生じる。例えば図16に示す制限速度作成情報305の場合、走行時間91秒と92秒に対応する制限速度は、共に99km/hである。同様に走行時間93~95秒に対応する制限速度は全て98km/hである。
102 情報表示装置
103 路線
104-1~104-6 閉そく区間
105-1~105-4 区間
106-1~106-4 区間番号
107-1~107-5 位置
201 情報伝送装置
202 伝送情報
301 運行管理装置
302 ダイヤ情報
303 列車運行予測装置
304 制限速度作成装置
305 制限速度作成情報
306 列車出発時機作成装置
307 列車出発時機作成情報
308 情報送信装置
309 列車着発管理装置
401 制限速度作成情報作成装置
402 列車性能情報
403 路線情報
404 制限速度最低速度情報
405 制限速度最大走行時間情報
411 運転曲線
412―1~412―3 制限速度
413―2 制限速度412―2に従った運転曲線
501―01~501―33 出発計画時刻
502―01~502―33 到着計画時刻
503―0~503―4 駅
504―01~504―23 駅間距離
505―2 駅―2における発着時隔
601―01~601―33 出発実時刻
602―01~602―33 到着実時刻
701―01~701―33 出発予測時刻
702―01~702―33 到着予測時刻
1001~1008 列車出発時機作成装置の処理フロー
2001~2007 制限速度作成装置の処理フロー
3001~3008 列車出発時機作成情報に最大走行時間を用いる列車出発時機作成装置の処理フロー
4001~4007 列車出発時機作成情報に最大走行時間を用いる制限速度作成装置の処理フロー
Claims (10)
- 予め計画された列車の計画ダイヤと、先行列車と後続列車との間に必要な時間間隔である最小運転時隔と、各列車が走行可能な制限速度と列車位置との関係を示した運転曲線と、を記憶する記憶部と、
列車の運行に遅延が発生すると、後続の列車が所定の駅を出発する出発予測時刻、及び、前記所定の駅の次の駅に到着する到着予測時刻を前記計画ダイヤ及び前記最小運転時隔に基づいて求める処理と、前記到着予測時刻と前記出発予測時刻との差分時間を求め、前記後続の列車が前記運転曲線で走行した場合の走行時間が前記差分時間となるよう、または、前記運転曲線で走行した場合の平均速度が駅間を前記差分時間で走行した場合の平均速度となるように前記運転曲線を補正する処理と、補正した前記運転曲線から求められる制限速度を前記後続の列車へ提供する処理と、を実行する演算処理部と、
を備える列車運転支援システム。 - 請求項1において、
前記記憶部には、各駅間で許容可能な列車数の最大値である駅間最大列車数、または、各駅間の走行で許容可能な速度の最低値である駅間最低速度、が記憶されており、
前記演算処理部は、前記後続の列車の運行予測の結果、前記駅間最大列車数を超えるか、または、前記駅間平均速度を下回る場合には、前記出発予測時刻を変更することを特徴とする列車運転支援システム。 - 請求項1において、
前記運転曲線は、少なくとも各列車の加減速性能を記憶する列車性能情報と、少なくとも路線の勾配、曲率を記憶する路線情報と、に基づいて列車ごと、及び、走行区間ごとに求められることを特徴とする列車運転支援システム。 - 請求項1において、
前記演算処理部は、制限速度の対象となる制限速度範囲の開始駅と制限速度範囲の終了駅の情報を前記後続の列車へ提供することを特徴とする列車運転支援システム。 - 請求項4において、
前記演算処理部は、さらに出発駅における前記出発予測時刻、または、到着駅における前記到着予測時刻に関する情報を前記後続の列車へ提供することを特徴とする列車運転支援システム。 - 請求項1において、
前記演算処理部は、制限速度として最高速度に対する差分値、出発予測時刻として計画した出発時刻との差分値、到着予測時刻として計画した到着時刻との差分値、のうちいずれかを前記後続の列車へ提供することを特徴とする列車運転支援システム。 - 請求項1において、
前記演算処理部は、予め定められた周期に従って周期的に情報を提供することを特徴とする列車運転支援システム。 - 請求項1において、
前記演算処理部は、前記出発予測時刻と前記到着予測時刻を用いて列車の平均速度を計算し、前記記憶部に保持する平均速度と制限速度の対応情報を用いて、当該平均速度に対応する制限速度を計算することを特徴とする列車運転支援システム。 - 請求項1において、
前記演算処理部は、前記出発予測時刻と前記到着予測時刻を用いて列車の走行時間を計算し、前記記憶部に保持する走行時間と制限速度の対応情報を用いて、当該走行時間に対応する制限速度を計算することを特徴とする列車運転支援システム。 - 請求項1において、
列車上に設けられ前記演算処理部が提供する情報を表示する車上装置と、前記列車の運行を管理する運行管理装置と、からなり、
前記演算処理部及び前記記憶部は、前記車上装置または前記運行管理装置内に備えられることを特徴とする列車運転支援システム。
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