WO2013102998A1 - 列車情報管理装置 - Google Patents
列車情報管理装置 Download PDFInfo
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- WO2013102998A1 WO2013102998A1 PCT/JP2012/050039 JP2012050039W WO2013102998A1 WO 2013102998 A1 WO2013102998 A1 WO 2013102998A1 JP 2012050039 W JP2012050039 W JP 2012050039W WO 2013102998 A1 WO2013102998 A1 WO 2013102998A1
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- central device
- terminal device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
- B61L15/0018—Communication with or on the vehicle or vehicle train
- B61L15/0036—Conductor-based, e.g. using CAN-Bus, train-line or optical fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
- B61L15/0072—On-board train data handling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
- B61L25/028—Determination of vehicle position and orientation within a train consist, e.g. serialisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Definitions
- the present invention relates to a train information management device.
- the train information management device collects and manages the status data of the devices mounted on each vehicle of the train, and can control the operation individually.
- Train information management devices are generally composed of a central device and terminal devices.
- the central device is mounted on the leading and trailing vehicles of the train
- the terminal device is mounted on each of the other intermediate vehicles
- the central device and the terminal device are connected to each other by a backbone transmission line disposed between the vehicles.
- the central device and the terminal device each collect and manage the status data of the devices in the vehicle on which the device is mounted, and transmit and receive the collected status data to each other by inter-vehicle communication via the backbone transmission path. Sharing.
- Patent Document 1 describes a configuration example in which a central device is mounted on a leading vehicle of a train and a terminal device is mounted on another vehicle.
- the central device is connected to the master controller (master controller), and transmits control information (for example, powering notch information or brake notch information) input from the master controller to the terminal device, and the terminal device receives the received control. Information is transmitted to the device to be controlled, and the device to be controlled operates according to the received control information.
- control information for example, powering notch information or brake notch information
- the terminal device needs to receive the control information sequentially transmitted from the central device and perform control in that order. For example, when each control information is transmitted from the central device in the order of deceleration 8 notch ⁇ deceleration 2 notch ⁇ deceleration 1 notch ⁇ acceleration 1 notch, the terminal device receives these control information in this order, These controls need to be implemented in order.
- the central device of the leading vehicle is used as transmission data so that the terminal device and the central device of the trailing vehicle can receive the control information sequentially transmitted by the central device of the leading vehicle in order.
- a serial number is attached and transmitted.
- 1 to N N is a natural number greater than 1 can be used in ascending order and circulatingly.
- the central device of the leading vehicle transmits the control information in the order of deceleration 8 notch ⁇ deceleration 2 notch ⁇ deceleration 1 notch ⁇ acceleration 1 notch
- the central device includes the control information for deceleration 8 notch.
- Transmission data with serial number “1” is created, transmission data with serial number “2” is created for the deceleration 2 notch control information, and transmission data “3” is appended to the deceleration 1 notch control information Data is created, and transmission data with serial number “4” added to the control information of acceleration 1 notch is created.
- the reception side can confirm the transmission order set on the transmission side, and can perform control so that the order is not reversed.
- the central device of both end vehicles starts to operate as a terminal device, and a new central device starts giving a serial number.
- the terminal device of the vehicle at the separation point starts to operate as the central device, and the new central device starts giving the serial number.
- the central device fails, the terminal device of the vehicle adjacent to the vehicle on which the central device is mounted can start assigning a serial number instead of the central device.
- the central apparatus recovers from the failure, the central apparatus starts assigning serial numbers again in place of the terminal apparatus.
- the central device or terminal device that newly starts assigning a serial number is the first number that is used at the start of the serial number, regardless of the continuity with the serial number that was used immediately before the start. ”Starts numbering.
- the terminal device when the terminal device receives the control information with the serial number “1” after receiving the serial number “30” immediately before, the terminal device has the sequence number from “30” to “1”. ", The control information with the serial number” 1 "is discarded and is not used for control.
- the terminal device performs the same process until control information with a serial number of “31” or more is received, during which a control blank period occurs. Such a blank period of control becomes longer as the serial number used immediately before the serial number is reset becomes longer, which is not preferable for vehicle control.
- the present invention has been made in view of the above, and receives a series of control information with serial numbers transmitted from the central device in the order in which it is transmitted, performs control in that order, and the central device changes, etc. It is an object of the present invention to provide a train information management device that can prevent a blank period of control from occurring even when the serial number is reset.
- the train information management device is mounted on each of the central device mounted on the vehicles at both ends of the train formation and the intermediate vehicle of the train formation, respectively.
- a train information management device comprising a terminal device, wherein the central device and the terminal device are communicably connected to each other via a trunk transmission line, and the central device is directed toward another central device.
- the first serial number consisting of a plurality of numbers whose order is defined in advance is limited to the first time after the activation of the central device.
- the second serial number is composed of a plurality of numbers defined in the order and a number subsequent to the first serial number after all of the first serial numbers are used.
- the data is returned to the earliest number and given to the data sequentially, and the terminal device receives the data received from the terminal device of the adjacent vehicle on the central device side or the central device. If the serial number included in the first serial number and the serial number included in the previously received and stored data is the second serial number, the received data is stored and the other In the central device, the serial number included in the data received from the terminal device of the adjacent vehicle on the central device side is the first serial number, and the serial number included in the data received and stored last time is the second serial number. In the case of the serial number, the received data is stored.
- a series of control information with a serial number transmitted from the central device is received in the order in which it is transmitted, and control is performed in that order, and control is performed even when the central device is changed and the serial number is reset. It is possible to provide a train information management device that can avoid the occurrence of the blank period.
- Drawing 1 is a figure showing an example of organization of a train by which a train information management device concerning an embodiment is carried.
- FIG. 2 is a diagram illustrating an example of a serial number used in the embodiment.
- FIG. 3 is a diagram illustrating an example of transmission data of the train information management device.
- FIG. 4 is a diagram illustrating an example of transmission data of the train information management device.
- FIG. 5 is a diagram illustrating a data transmission method between train information management apparatuses.
- FIG. 6 is a diagram illustrating an example of the internal configuration of the central device.
- FIG. 7 is a diagram illustrating an example of an internal configuration of the terminal device.
- FIG. 1 is a figure showing an example of organization of a train by which a train information management device concerning an embodiment is carried.
- FIG. 2 is a diagram illustrating an example of a serial number used in the embodiment.
- FIG. 3 is a diagram illustrating an example of transmission data of the train information management device.
- FIG. 4 is a diagram
- FIG. 8 is a flowchart showing determination processing when the train information management device validates or invalidates the serial number assigning function regarding data transmission from the leading vehicle side to the trailing vehicle side.
- FIG. 9 is a flowchart showing a determination process when the train information management device validates or invalidates the serial number assigning function with respect to data transmission from the rear vehicle side to the leading vehicle side.
- FIG. 10 is a flowchart showing a train information management method according to the embodiment.
- FIG. 11 is a diagram illustrating an example of a redundant system of the train information management device.
- FIG. 1 is a diagram showing an example of train organization on which the train information management device according to the present embodiment is mounted.
- the train organization is composed of, for example, six vehicles, specifically composed of vehicles TC1, M2-1, M1-1, M2-2, M1-2, and TC2, each of cars No. 1 to No. 6 Equivalent to car No.
- the first car is the leading vehicle and the sixth car is the rear vehicle.
- the present embodiment can be applied to the formation of any number of vehicles. In addition, this knitting can be combined or separated.
- Trains TC1 and TC2 which are vehicles at both ends of the train, are equipped with central devices (hereinafter simply referred to as “central devices”) 1-1 and 1-2 of train information management devices, respectively.
- the vehicles M2-1, M1-1, M2-2, and M1-2 which are intermediate vehicles, are respectively terminal devices (hereinafter simply referred to as “terminal devices”) 2-1 and 2-2 of the train information management device. , 2-3 and 2-4.
- the train information management device according to the present embodiment includes central devices 1-1 and 1-2 and terminal devices 2-1 to 2-4.
- the central devices 1-1 and 1-2 and the terminal devices 2-1 to 2-4 are communicably connected to each other via a trunk transmission line (inter-vehicle transmission line) 4 arranged between vehicles.
- the central devices 1-1 and 1-2 and the terminal devices 2-1 to 2-4 are connected in a daisy chain.
- the vehicle TC1 includes a central device 1-1, devices 3-1 to 3-3 connected to the central device 1-1 via branch line transmission lines (in-vehicle transmission lines) 5, and a central device 1-1. And a master controller (master controller) 3-4 connected via a branch transmission line 5.
- a master controller master controller
- the branch line transmission path 5 is a communication path disposed in the vehicle.
- the central device 1-1 transmits control information for controlling the devices 3-1 to 3-3, and acquires device information (status data) from the devices 3-1 to 3-3.
- the master controller 3-4 is also controlled and managed by the central device 1-1 in the same manner as the devices 3-1 to 3-3.
- the master controller 3-4 transmits control information such as power running notch information (acceleration information) and brake notch information (deceleration information) input from the cab (not shown) to the central device 1-1.
- the vehicle M2-1 includes a terminal device 2-1, and devices 3-5 to 3-7 connected to the terminal device 2-1 via the branch line transmission path 5, respectively.
- the terminal device 2-1 transmits control information for controlling the devices 3-5 to 3-7, and acquires device information (status data) from the devices 3-5 to 3-7, respectively.
- the vehicle M1-1 includes a terminal device 2-2, devices 3-5, 3-6, and 3-8 connected to the terminal device 2-2 via the branch line transmission path 5, and a terminal device 2-2.
- a VVVF (propulsion device) 3-9 connected via the branch line transmission line 5 and a brake device 3-10 connected to the terminal device 2-2 via the branch line transmission line 5 are provided.
- VVVF 3-9 is a VVVF (Variable Voltage Variable Frequency) inverter, and controls vehicle propulsion by varying the voltage and frequency of a motor (not shown).
- the terminal device 2-2 transmits control information for controlling each of the devices 3-5, 3-6, 3-8, the VVVF 3-9, and the brake device 3-10, and the devices 3-5, 3-6. , 3-8, VVVF 3-9, and brake device 3-10, respectively, device information (status data) is acquired.
- the vehicle M2-2 has the same configuration as the vehicle M2-1. That is, the vehicle M2-2 includes a terminal device 2-3 and devices 3-5 to 3-7 connected to the terminal device 2-3 via the branch transmission line 5, respectively.
- the terminal device 2-3 has the same function as the terminal device 2-1.
- the vehicle M1-2 has the same configuration as the vehicle M1-1. That is, the vehicle M1-2 includes a terminal device 2-4, devices 3-5, 3-6, 3-8 connected to the terminal device 2-4 via the branch line transmission path 5, and a terminal device 2- 4 includes a VVVF (propulsion device) 3-9 connected to the terminal device 2-4 via the branch line transmission line 5, and a brake device 3-10 connected to the terminal device 2-4 via the branch line transmission line 5.
- the terminal device 2-4 has the same function as the terminal device 2-2.
- Vehicle TC2 has the same configuration as vehicle TC1. That is, the vehicle TC2 includes a central device 1-2, devices 3-1 to 3-3 connected to the central device 1-2 via branch transmission lines (in-vehicle transmission lines) 5, and a central device 1- 2 includes a master controller (master controller) 3-4 connected to the main line 2 via a branch line transmission path 5.
- the central device 1-2 has the same function as the central device 1-1.
- the device 3 when the device 3 is simply described, not only the devices 3-1 to 3-3 and 3-5 to 3-8 but also the master controller 3-4, the VVVF 3-9, and the brake device 3-10 These devices are collectively referred to. Further, when the terminal device 2 is simply described, the terminal devices 2-1 to 2-4 are collectively referred to. Further, when the central device 1 is simply described, the central devices 1-1 and 1-2 are collectively represented.
- the central device 1 transmits the state data collected for the equipment 3 in the own vehicle to the terminal device 2 and other central devices 1 through the trunk transmission line 4 as the own car information.
- the central device 1 includes control information such as power running notch information or brake notch information input from the master controller 3-4 in its own car information (in this case, for example, information on the first car), and the terminal device 2 and other devices. Transmit to the central device 1.
- the terminal device 2 transmits the state data collected about the equipment 3 in the own vehicle to the other terminal device 2 and the central device 1 through the trunk transmission line 4 as the own car information. In this way, the central device 1 and the terminal device 2 can share the state data of each vehicle of the train.
- the central device 1 and the terminal device 2 manage the collected state data, information relating to train travel, and the like as train information.
- the train information management device can be configured as a redundant system.
- the train information management apparatus comprised by the duplex system is shown. That is, the central devices 1-1-1 and 1-2-1 and the terminal devices 2-1-1 to 2-4-1 represent one system, and the central devices 1-1-2 and 1-2-2.
- the terminal devices 2-1-2 to 2-4-2 indicate two systems.
- a transmission path between the 1-system and 2-system for example, a transmission path 4b connecting the central device 1-1-1 and the central device 2-1-1, a central device 2-1-1 and the central device 2
- the transmission line 4d connecting -1-2 is shown with a reference numeral.
- transmission data between vehicles is sequentially transmitted from the first car to the sixth car in one direction, or sequentially transmitted from the sixth car to the first car in one direction.
- FIG. 2 is a diagram showing an example of a serial number used in the present embodiment.
- FIG. 3 is a diagram illustrating an example of transmission data of the train information management device.
- the serial numbers are, for example, 1 to N.
- N is a natural number larger than 1, but is actually set to a sufficiently large value.
- the central device 1-1 starts using the serial number from “1”, which is the smallest number, when starting up or resetting such as when the power is turned on, and then uses the numbers after “1” in ascending order.
- the process returns to M + 1 (here, 1 ⁇ M ⁇ N), and thereafter the numbers M + 1 to N are repeatedly used. That is, numbers 1 to M are numbers that are used only for the first time after the central device 1-1 is started or reset, and are not used thereafter as long as the central device 1-1 is operating normally.
- the central apparatus 1-1 uses M + 1 to N cyclically after the priority sequence number is used.
- M + 1 to N are referred to as “circulation serial numbers” (second serial numbers).
- the serial number may be arbitrary as long as the order is determined according to a certain rule. Therefore, more generally, order identification information can be given instead of a serial number.
- the serial number may be descending instead of ascending.
- a decimal number is described as an example, but a hexadecimal number may be used, for example.
- FIG. 3A shows an example of data D1-1 transmitted by the central device 1-1.
- the data D1-1 includes a header part and the first car information.
- the header portion includes, for example, “address information” such as a source address and “serial number n”.
- n is any number from 1 to N.
- the first car information includes the car number ("1st car") as the own vehicle ID, and the "data length" and "data content” of the data body.
- Data content is control information such as power running notch information or brake notch information.
- information other than the example of illustration can be included in a header part and 1st car information, respectively.
- the terminal device 2-1 receives the data D1-1 transmitted from the central device 1-1 via the trunk transmission line 4, and the own car information (in this case, the second car) is received in the data D1-1.
- Data D1-2 to which information is added is created, and this data D1-2 is transmitted to the third car via the trunk transmission line 4.
- FIG. 3B shows an example of data D1-2 transmitted by the terminal device 2-1.
- the data D1-2 includes the information on the second car in addition to the data D1-1.
- the No. 2 car information includes the car number (“No. 2 car”) as the own vehicle ID, and the “data length” and “data content” of the data body.
- the terminal device 2-2 receives the data D1-2 transmitted from the terminal device 2-1 through the trunk transmission line 4, and the own car information (in this case, the third car) is received in the data D1-2.
- Data D1-3 to which (information) is added is created, and this data D1-3 is transmitted to the fourth car via the trunk transmission line 4.
- FIG. 3C shows an example of data D1-3 transmitted by the terminal device 2-2.
- the data D1-3 includes the third car information in addition to the data D1-2.
- the No. 3 car information includes the No. car number (“No. 3 car”) as the own vehicle ID, and the “data length” and “data content” of the data body.
- the terminal device 2-3 receives the data D1-3 transmitted from the terminal device 2-2 via the trunk transmission line 4, and the own car information (in this case, the fourth car) is received in the data D1-3.
- Data D1-4 to which (information) is added is created, and this data D1-4 is transmitted to the fifth car via the trunk transmission line 4.
- FIG. 3D shows an example of data D1-4 transmitted by the terminal device 2-3.
- the data D1-4 includes the information on the fourth car in addition to the data D1-3.
- the No. 4 car information includes the car number ("No. 4 car") as the own vehicle ID, and the "data length" and "data content" of the data body.
- the terminal device 2-4 receives the data D1-4 transmitted from the terminal device 2-3 via the trunk transmission line 4, and stores the own car information (in this case, the fifth car) in the data D1-4.
- Data D1-5 to which information is added is created, and this data D1-5 is transmitted to the sixth car via the trunk transmission line 4.
- FIG. 3E shows an example of data D1-5 transmitted by the terminal device 2-4.
- the data D1-5 includes the fifth car information in addition to the data D1-4.
- the No. 5 car information includes the car number ("No. 5 car") as the own vehicle ID, and the "data length" and "data content" of the data body.
- the central device 1-2 receives the data D1-5 transmitted from the terminal device 2-4 via the trunk transmission line 4.
- the central device 1-2 can acquire all the vehicle information in the train by combining the 1st to 5th car information and the own car information (6th car information) included in the data D1-5.
- the transmission method in this case is also substantially the same as the case of transmission from the first car to the sixth car in one direction. That is, in the sixth car, the central device 1-2 transmits the own car information (in this case, the sixth car information) as transmission data to the fifth car via the trunk transmission line 4 at a fixed period T1. At this time, the central device 1-2 transmits the transmission data with a serial number. That is, the central device 1-2 assigns a serial number to the transmission data transmitted toward the leading vehicle side. Note that the serial number is as described in FIG. 2, for example, but may be the same as the serial number used by the central apparatus 1-1 or may be different.
- FIG. 4 is a diagram illustrating an example of transmission data of the train information management device.
- FIG. 4A shows an example of data D2-1 transmitted by the central device 1-2.
- the data D2-1 includes a header part and No. 6 car information.
- the header portion includes, for example, “address information” such as a source address and “serial number m”.
- m is any number from 1 to N.
- the No. 6 car information includes the car number (“No. 6 car”) as the own vehicle ID, and the “data length” and “data content” of the data body.
- information other than the example of illustration can be included in a header part and No. 6 car information, respectively.
- the terminal device 2-4 receives the data D2-1 transmitted from the central device 1-2 via the trunk transmission line 4, and the own car information (in this case, the fifth car) is received in the data D2-1.
- Data D2-2 to which information is added is created, and this data D2-2 is transmitted to the fourth car via the trunk transmission line 4.
- the terminal device 2-4 combines all the vehicle information in the train by combining the No. 6 car information included in the data D2-1, the No. 1 to No. 4 information included in the data D1-4, and the own car information (No. 5 car information). Can be obtained.
- FIG. 4B shows an example of data D2-2 transmitted by the terminal device 2-4.
- the data D2-2 includes the fifth car information in addition to the data D2-1.
- the No. 5 car information includes the car number ("No. 5 car") as the own vehicle ID, and the "data length" and "data content" of the data body.
- the terminal device 2-3 receives the data D2-2 transmitted from the terminal device 2-4 via the trunk transmission line 4, and the own car information (in this case, in this case)
- the data D2-3 to which (car 4 information) is added is created, and this data D2-3 is transmitted to the car 3 via the trunk transmission line 4.
- the terminal device 2-3 combines all the information on the fifth and sixth cars included in the data D2-2, the first to third car information included in the data D1-3, and the own car information (car 4 information). Vehicle information can be acquired.
- the terminal device 2-2 receives the data D2-3 transmitted from the terminal device 2-3 via the trunk transmission line 4, and stores the own car information (in this case, the third car) in the data D2-3. Data D2-4 to which information is added is created, and this data D2-4 is transmitted to the second car via the trunk transmission line 4.
- the terminal device 2-2 combines all the information on the No. 4 to 6 cars included in the data D2-3, the No. 1 and 2 car information included in the data D1-2, and the own car information (No. 3 car information). Vehicle information can be acquired.
- the terminal device 2-1 receives the data D2-4 transmitted from the terminal device 2-2 via the trunk transmission line 4, and the own car information (in this case, the second car) is received in the data D2-4.
- Data D2-5 to which information is added is created, and this data D2-5 is transmitted to the first car via the trunk transmission line 4.
- the terminal device 2-1 combines all the vehicle information in the train by combining the 3rd to 6th car information included in the data D2-4, the 1st car information included in the data D1-1, and the own car information (car 2 information). Can be obtained.
- the central device 1-1 receives the data D2-5 transmitted from the terminal device 2-1 via the trunk transmission line 4.
- the central device 1-1 can acquire all the vehicle information in the train by combining the 2nd to 6th vehicle information and the own vehicle information (1st vehicle information) included in the data D2-5.
- FIG. 5 is a diagram showing a data transmission method between train information management devices.
- the transmission directions of the data D1-1 to D1 to 5 transmitted from the first car to the sixth car are indicated by arrows, and the data D2-1 to D1 transmitted from the sixth car to the first car are transmitted in one direction.
- the transmission directions of D2 to D5 are indicated by arrows.
- the train information management devices that create a header portion and assign serial numbers in the composition are the central devices 1-1 and 1-2 at the composition end in principle.
- FIG. 6 is a diagram illustrating an example of the internal configuration of the central apparatus 1.
- FIG. 7 is a diagram illustrating an example of the internal configuration of the terminal device 2.
- the central device 1 includes a control processing unit 6, a storage unit 9 connected to the control processing unit 6, and data transmission between vehicles connected to the control processing unit 6 via the trunk transmission line 4.
- a transmission / reception unit 8 capable of performing transmission / reception and a transmission / reception unit 7 connected to the control processing unit 6 and capable of transmitting / receiving data in the vehicle via the branch line transmission path 5 are provided.
- the control processing unit 6 includes other vehicle information reception detection units 6a and 6b, a transmission information creation unit 6c, and a serial number comparison determination unit 6d as functional configurations.
- the control processing unit 6 is composed of hardware such as a CPU and operates according to a control program that defines the control operation.
- the other vehicle information reception detection unit 6a detects whether or not transmission data from the adjacent car on the leading vehicle side is received by the transmission / reception unit 8.
- the central device 1 is the central device 1-1 mounted on the leading vehicle
- the other vehicle information reception detection unit 6a does not detect reception of transmission data.
- the central device 1 is the central device 1-2 mounted on the rear vehicle
- the other vehicle information reception detection unit 6a detects whether the transmission data from the fifth vehicle is received by the transmission / reception unit 8. .
- the other vehicle information reception detection unit 6b detects whether or not transmission data from the adjacent car on the rear vehicle side is received by the transmission / reception unit 8.
- the central device 1 is the central device 1-2 mounted on the rear vehicle
- the other vehicle information reception detection unit 6b does not detect reception of transmission data.
- the central device 1 is the central device 1-1 mounted on the leading vehicle
- the other vehicle information reception detection unit 6b detects whether or not transmission data from the second car is received by the transmission / reception unit 8. .
- the transmission information creation unit 6c creates data to be transmitted to the adjacent car.
- the central device 1 When the central device 1 is the central device 1-1, the central device 1 creates the data D1-1 described above.
- the central device 1 When the central device 1 is the central device 1-2, the central device 1 creates the data D2-1 described above.
- the transmission information creation unit 6c transmits the data created via the transmission / reception unit 8 to the adjacent car.
- the transmission information creation unit 6c has a serial number assigning function, and assigns a serial number to data to be transmitted.
- the serial number comparison / determination unit 6d has a serial number assigned to the data received from the adjacent car (hereinafter referred to as "reception serial number”) and a serial number assigned to the data used for the control previously received from the adjacent car ( Hereinafter, it is referred to as “old number”), and it is determined whether to use the data assigned with the reception serial number for control or to discard it according to the comparison result. Details of the processing of the serial number comparison / determination unit 6d will be described later.
- the terminal device 2 includes a control processing unit 15, a storage unit 18 connected to the control processing unit 15, and data transmission between vehicles connected to the control processing unit 15 via the trunk transmission line 4.
- a transmission / reception unit 17 capable of performing transmission / reception and a transmission / reception unit 16 connected to the control processing unit 15 and capable of transmitting / receiving data in the vehicle via the branch line transmission path 5 are provided.
- the control processing unit 15 includes other vehicle information reception detection units 15a and 15b, a transmission information creation unit 15c, and a serial number comparison determination unit 15d as functional configurations.
- the control processing unit 15 includes hardware such as a CPU, and operates according to a control program that defines the control operation.
- the other vehicle information reception detection unit 15a detects whether or not transmission data from the adjacent car on the leading vehicle side is received by the transmission / reception unit 17.
- the terminal device 2 is, for example, the terminal device 2-1 mounted on the second car
- the other vehicle information reception detection unit 15a detects whether or not transmission data from the first car is received by the transmission / reception unit 17.
- the other vehicle information reception detection unit 15b detects whether or not transmission data from the next car on the rear vehicle side is received by the transmission / reception unit 17. For example, when the terminal device 2 is the terminal device 2-1 mounted on the second car, the other vehicle information reception detection unit 15b detects whether or not transmission data from the third car is received by the transmission / reception unit 17.
- the transmission information creation unit 15c creates data to be transmitted to the adjacent car. For example, when the terminal device 2 is the terminal device 2-1 mounted on the second car, the terminal device 2-1 creates the data D1-2 and D2-5 described above.
- the transmission information creation unit 15c transmits the data created via the transmission / reception unit 17 to the adjacent car.
- the transmission information creation unit 6c has a serial number assigning function similar to the transmission information creation unit 15c, except for the case where the knitting is separated and the terminal device 2 is arranged at the knitting end and functions as a central device.
- the serial number assigning function is in a disabled state, and no serial number is assigned to the data to be transmitted.
- the serial number comparison / determination unit 15d compares the serial number (reception serial number) given to the data received from the adjacent car with the serial number (old number) given to the data used for the control previously received from the adjacent car. Then, according to the comparison result, it is determined whether to use the data assigned with the reception serial number for the control or discard it. For example, when the terminal device 2 is the terminal device 2-1 mounted on the second car, the serial number comparison / determination unit 15d compares the received serial number with the old number for the data D1-1 received from the first car, and the data D1- It is determined whether 1 is used for control or discarded.
- serial number comparison / determination unit 15d compares the received serial number with the old number for the data D2-4 received from the third car, and determines whether the data D2-4 is used for control or discarded. Details of the processing of the serial number comparison / determination unit 15d will be described later.
- the serial number assigning function is in principle enabled in the central devices 1-1 and 1-2 at the knitting end (both ends vehicle).
- the central device 1-1 operates as a terminal device after merging. Therefore, after the merging, the central device 1-1 operating as a terminal device needs to invalidate its serial number assignment function and stop the serial number assignment.
- the terminal devices 2-2 and 2-3 operate as central devices after the separation.
- each of the terminal devices 2-2 and 2-3 operating as the central device needs to activate the serial number assigning function and start giving the serial number. Furthermore, for example, when the central device 1-1 fails or a disconnection occurs in the main transmission line 4 that connects the central device 1-1 and the terminal device 2-1, the terminal devices 2-1 communicate with each other. Since it will be arranged at one end of the train information management device group connected in a daisy chain form as possible, it can be set to activate the sequence number assigning function and start the sequence number assignment. In any of these cases, the train information management device that has been assigned the serial number until then stops giving the serial number (header creation), and another train information management device starts giving the serial number (header creation).
- FIG. 8 is a flowchart showing a determination process when the train information management device validates or invalidates the serial number assigning function regarding data transmission from the leading vehicle side to the trailing vehicle side.
- FIG. 9 is a flowchart showing determination processing when the train information management device validates or invalidates the serial number assigning function with respect to data transmission from the rear vehicle side to the leading vehicle side.
- the train information management device is the central device 1 or the terminal device 2.
- the train information management device performs a data reception detection process from the head vehicle side (S20).
- the train information management device is the central device 1
- the other vehicle information reception detection unit 6a constantly detects the presence or absence of transmission data from the adjacent car on the leading vehicle side.
- the other vehicle information reception detection part 6a outputs a detection result to the transmission information preparation part 6c.
- the train information management device is the terminal device 2
- the other vehicle information reception detection unit 15 a always detects the presence or absence of transmission data from the adjacent car on the leading vehicle side.
- the other vehicle information reception detection part 15a outputs a detection result to the transmission information preparation part 15c.
- the train information management device determines whether or not transmission data has been received from the leading vehicle side within a predetermined time T2 (S21).
- the transmission information creation unit 6c receives transmission data from the adjacent car on the leading vehicle side within a certain time T2 based on the output of the other vehicle information reception detection unit 6a. It is determined whether or not.
- the transmission information creation unit 15 c transmits transmission data from the next car on the leading vehicle side within a predetermined time T 2 based on the output of the other vehicle information reception detection unit 15 a. It is determined whether or not it has been received.
- the train information management device assigns a serial number for data transmission from the head vehicle side to the tail vehicle side.
- the function is disabled (S22).
- the train information management device gives a serial number for data transmission from the leading vehicle side to the trailing vehicle side.
- the function is activated (S23). The above processing is repeated.
- the central device 1-1 when the train information management device is the central device 1-1, the central device 1-1 does not receive data from the adjacent vehicle on the leading vehicle side as long as it is mounted on the leading vehicle. Therefore, in this case, the transmission information creation unit 6c maintains a state in which the serial number assigning function is validated for data transmission from the leading vehicle side to the trailing vehicle side.
- the central device 1-1 when the knitting is combined with another knitting (not shown) on the vehicle TC1, the central device 1-1 operates as a terminal device after merging, and therefore receives data from the leading vehicle side. In this case, the transmission information creation unit 6c disables the serial number assignment function for data transmission from the leading vehicle side to the trailing vehicle side.
- the transmission information creation unit 15c maintains a state where the serial number assigning function is invalidated for data transmission from the leading vehicle side to the trailing vehicle side.
- the transmission information creating unit 15c disables the serial number assigning function for data transmission from the leading vehicle side to the trailing vehicle side.
- the train information management device is the terminal device 2-1
- the central device 1-1 fails or the trunk transmission line 4 connecting the central device 1-1 and the terminal device 2-1 is disconnected. Since the terminal device 2-1 does not receive data from the central device 1-1 in this case, the transmission information creation unit 15c relates to the serial number for data transmission from the leading vehicle side to the trailing vehicle side.
- the grant function is enabled.
- the train information management device performs data reception detection processing from the rear vehicle side (S30).
- the other vehicle information reception detection unit 6b always detects the presence or absence of transmission data from the adjacent car on the rear vehicle side. And the other vehicle information reception detection part 6b outputs a detection result to the transmission information preparation part 6c.
- the train information management device is the terminal device 2
- the other vehicle information reception detection unit 15 b always detects the presence or absence of transmission data from the adjacent car on the rear vehicle side.
- the other vehicle information reception detection part 15b outputs a detection result to the transmission information preparation part 15c.
- the train information management device determines whether or not transmission data has been received from the rear vehicle side within a predetermined time T2 (S31).
- T2 is as described above.
- the transmission information creation unit 6c receives transmission data from the next car on the rear vehicle side within a predetermined time T2 based on the output of the other vehicle information reception detection unit 6b. It is determined whether or not.
- the transmission information creation unit 15 c receives transmission data from the adjacent car on the rear vehicle side within a predetermined time T 2 based on the output of the other vehicle information reception detection unit 15 b. It is determined whether or not it has been received.
- the train information management device gives a serial number for data transmission from the rear vehicle side to the leading vehicle side.
- the function is disabled (S32).
- the train information management device assigns a serial number for data transmission from the rear vehicle side to the leading vehicle side.
- the function is activated (S33). The above processing is repeated.
- the central device 1-2 when the train information management device is the central device 1-2, the central device 1-2 does not receive data from the adjacent vehicle on the rear vehicle side as long as it is mounted on the rear vehicle. Therefore, in this case, the transmission information creation unit 6c maintains a state where the serial number assigning function is validated for data transmission from the rear vehicle side to the leading vehicle side. However, when the knitting is combined with another knitting (not shown) on the vehicle TC2 side, the central device 1-2 operates as a terminal device after merging. In this case, the transmission information creation unit 6c Regarding the data transmission from the rear vehicle side to the leading vehicle side, the serial number assigning function is disabled.
- the terminal device 2-3 when the train information management device is the terminal device 2-3, the terminal device 2-3 normally receives the data D2-2 from the fifth car at a cycle T1. Therefore, in this case, the transmission information creation unit 15c maintains a state where the serial number assigning function is invalidated for data transmission from the rear vehicle side to the leading vehicle side.
- FIG. 10 is a flowchart showing a train information management method according to the present embodiment.
- FIG. 10 is applied to both data transmission from the leading vehicle side to the trailing vehicle side and data transmission from the trailing vehicle side to the leading vehicle side.
- data transmission from the leading vehicle side to the rear vehicle side will be described as an example.
- Data transmission from the rear vehicle side to the leading vehicle side can be described in the same manner.
- the train information management device receives other vehicle information (S1). That is, the train information management device receives data from the adjacent car on the leading vehicle side via the transmission / reception unit. For example, when the train information management device is the central device 1-2, the central device 1-2 receives the data D1-5 from the terminal device 2-4 of the fifth car. For example, when the train information management device is the terminal device 2-1, the terminal device 2-1 receives the data D1-1 from the central device 1-1 of the first car.
- the train information management device acquires a reception serial number (assumed to be n) from the received data (S2). For example, when the train information management device is the central device 1-2, the serial number comparison / determination unit 6d acquires the reception serial number n from the data D1-5. For example, when the train information management device is the terminal device 2-1, the serial number comparison / determination unit 15d acquires the reception serial number n from the data D1-1.
- the train information management device determines whether or not the reception serial number n is M or less (S3).
- M is as described in FIG.
- the serial number comparison determination unit 6d determines whether n ⁇ M.
- the serial number comparison determination unit 15d determines whether or not n ⁇ M.
- the subject of processing is the serial number comparison / determination unit 6d when the train information management device is the central device 1, and the serial number comparison / determination unit 15d when the train information management device is the terminal device 2. is there.
- the train information management device further determines whether or not the reception serial number n is larger than the old number (n prev ) (S4). ). That is, the serial number received this time is compared with the serial number received last time. And as a result of determination in S4, when n prev ⁇ n (S4, Yes), the train information management device uses the received data (S5).
- the train information management apparatus saves the received data as vehicle information in the storage unit and uses it for control.
- the train information management device further determines whether or not the old number n prev is equal to or greater than M + 1 (S6).
- the train information management device uses the received data (S5).
- the reception sequence number n is a priority sequence number (n ⁇ M)
- the old number n prev is a circulation sequence number (old number n prev ⁇ M + 1)
- the train information management device does not reverse the sequence number sequence.
- the train information management device discards the received data (S7). That is, when the reception sequence number n is a priority sequence number (n ⁇ M), the old number n prev is also a priority sequence number (old number n prev ⁇ M), and the reception sequence number is smaller than the old number (n prev > n) Although the train information management device receives data after resetting the serial number, the received data is not received in the order of transmission, and is discarded without using this received data.
- the train information management device further determines whether the reception serial number n is larger than the old number n prev (S8).
- the old number n prev is a priority number and the reception sequence number n is a circulation sequence number. Therefore, the received data is received in the transmission order, and the train information management device The received data is stored in the storage unit as vehicle information and used for control.
- the train information management apparatus further determines whether or not nn prev ⁇ L (S9).
- L is a preset threshold value. If the result of determination in S9 is nn prev ⁇ L (S9, Yes), the train information management device uses the received data (S5). On the other hand, if nn prev ⁇ L as a result of the determination in S9 (S9, No), the train information management device discards the received data (S10).
- the train information management apparatus further determines whether or not nn prev + NM ⁇ L (S11). Since the serial numbers are used in a circulating manner, the order cannot be determined only by comparing the sizes, but the order of the order is determined in relation to the threshold value. If the result of determination in S11 is nn prev + NM ⁇ L (S11, Yes), the train information management device uses the received data (S5). On the other hand, if the result of determination in S11 is nn prev + NM ⁇ L (S11, No), the train information management device discards the received data (S10).
- the old number n prev is set to 0, for example. That is, the old number when the power is turned on is set to a value smaller than the smallest one of the priority serial numbers.
- the reception sequence number n which is the sequence number of the latest received data is the priority sequence number (n ⁇ M) and the sequence number of the data received last time.
- the old number n prev is a circulation serial number (old number n prev ⁇ M + 1)
- the latest received data is stored in the storage unit as vehicle information and used for control. That is, in this case, the train information management device receives the priority sequence number, so that the combination of the trains, separation, failure of the central device, recovery from the failure of the central device, failure of the trunk transmission line 4, restart of the central device For example, it is determined that the serial number has been reset, and the data to which the priority serial number is assigned is preferentially used.
- a series of control information with serial numbers transmitted from the central apparatus 1 is received in the order in which it is transmitted, control is performed in the order, and the central apparatus 1 is changed. It is possible to provide a train information management device capable of avoiding the occurrence of a blank period of control even when the serial number is reset.
- the present invention is useful as a train information management device.
Abstract
Description
図1は、本実施の形態に係る列車情報管理装置が搭載された列車の編成の一例を示す図である。図1では、列車の編成は例えば6台の車両からなり、具体的には、車両TC1,M2-1,M1-1,M2-2,M1-2,TC2で構成され、それぞれ1号車~6号車に相当する。この場合、1号車が先頭車両、6号車が後尾車両である。なお、本実施の形態は、任意の車両数の編成に適用できることは言うまでもない。また、この編成は、編成の併結又は分離が可能である。
2,2-1~2-4 端末装置
3,3-1~3-8 機器
3-4 マスターコントローラ
3-9 VVVF(推進装置)
3-10 ブレーキ装置
4,4a,4c 基幹伝送路
4b,4d 伝送路
5 支線伝送路
6,15 制御処理部
6a,6b,15a,15b 他車両情報受信検出部
6c,15c 送信情報作成部
6d,15d 通番比較判断部
7,8,16,17 送受信部
9,18 記憶部
Claims (9)
- 列車の編成の両端の車両にそれぞれ搭載された中央装置と、前記編成の中間車両にそれぞれ搭載された端末装置とを備え、前記中央装置と前記端末装置とが基幹伝送路により互いに通信可能に接続されてなる列車情報管理装置であって、
前記中央装置は、他の中央装置側に向けて自車両情報を含むデータを一定周期で前記基幹伝送路を介して送信する際に、当該中央装置の起動後の初回に限り、予め順序が規定された複数個の番号からなる第1の通番を送信順序に応じて順次前記データに付与し、前記第1の通番がすべて使用された後は、前記順序で規定された複数個の番号からなりかつ前記第1の通番よりも後の番号からなる第2の通番を送信順序に応じて順次かつ最後の番号まで使用した後は再び最先の番号に戻って順次前記データに付与し、
前記端末装置は、前記中央装置側の隣の車両の端末装置又は前記中央装置から受信したデータに含まれる通番が前記第1の通番であり、かつ、前回受信し保存したデータに含まれていた通番が前記第2の通番である場合には、当該受信したデータを保存し、
前記他の中央装置は、前記中央装置側の隣の車両の端末装置から受信したデータに含まれる通番が前記第1の通番であり、かつ、前回受信し保存したデータに含まれていた通番が前記第2の通番である場合には、当該受信したデータを保存することを特徴とする列車情報管理装置。 - 前記端末装置は、前記中央装置側の隣の車両の端末装置又は前記中央装置から受信したデータに含まれる通番が前記第1の通番であり、かつ、前回受信し保存したデータに含まれていた通番が前記第1の通番である場合には、今回受信したデータに含まれる通番が前回受信し保存したデータに含まれていた通番よりも後の場合にのみ当該受信したデータを保存し、それ以外は当該受信したデータを破棄し、
前記他の中央装置は、前記中央装置側の隣の車両の端末装置から受信したデータに含まれる通番が前記第1の通番であり、かつ、前回受信し保存したデータに含まれていた通番が前記第1の通番である場合には、今回受信したデータに含まれる通番が前回受信し保存したデータに含まれていた通番よりも後の場合にのみ当該受信したデータを保存し、それ以外は当該受信したデータを破棄すること特徴とする請求項1に記載の列車情報管理装置。 - 前記端末装置は、前記中央装置側の隣の車両の端末装置又は前記中央装置から受信したデータに含まれる通番が前記第2の通番であり、かつ、前回受信し保存したデータに含まれていた通番が前記第2の通番であって、今回受信したデータに含まれる通番が前回受信し保存したデータに含まれていた通番よりも後である場合において、今回受信したデータに含まれる通番と前回受信し保存したデータに含まれていた通番との差分が予め設定された閾値よりも小さいときは、当該受信したデータを保存し、前記差分が前記閾値以上のときは、当該受信したデータを破棄し、
前記他の中央装置は、前記中央装置側の隣の車両の端末装置から受信したデータに含まれる通番が前記第2の通番であり、かつ、前回受信し保存したデータに含まれていた通番が前記第2の通番であって、今回受信したデータに含まれる通番が前回受信し保存したデータに含まれていた通番よりも後である場合において、今回受信したデータに含まれる通番と前回受信し保存したデータに含まれていた通番との差分が予め設定された閾値よりも小さいときは、当該受信したデータを保存し、前記差分が前記閾値以上のときは、当該受信したデータを破棄すること特徴とする請求項2に記載の列車情報管理装置。 - 前記端末装置は、前記中央装置側の隣の車両の端末装置又は前記中央装置から受信したデータに含まれる通番が前記第2の通番であり、かつ、前回受信し保存したデータに含まれていた通番が前記第1の通番である場合には、当該受信したデータを保存し、
前記他の中央装置は、前記中央装置側の隣の車両の端末装置から受信したデータに含まれる通番が前記第2の通番であり、かつ、前回受信し保存したデータに含まれていた通番が前記第1の通番である場合には、当該受信したデータを保存すること特徴とする請求項3に記載の列車情報管理装置。 - 前記端末装置は、前記中央装置側の隣の車両の端末装置又は前記中央装置から受信したデータに自車両情報を加えた後当該データを前記他の中央装置側の隣の車両の端末装置又は前記中央装置へ送信することを特徴とする請求項1に記載の列車情報管理装置。
- 前記中央装置は、編成の併結又は分離に伴って起動した時に、前記データに付与する通番を前記第1の通番とすることを特徴とする請求項5に記載の列車情報管理装置。
- 前記中央装置は、編成の併結に伴い前記他の中央装置側と反対側から前記基幹伝送路を介したデータの送信が発生するか否かを常時検出しており、前記一定周期よりも長い所定の期間内に前記反対側からデータの受信がない場合は前記第1又は第2の通番を付与する機能を維持し、前記所定の期間内に前記反対側からデータの受信があった場合は前記第1又は第2の通番を付与する機能を無効化することを特徴とする請求項6に記載の列車情報管理装置。
- 前記端末装置は、編成の分離に伴い前記中央装置側からの前記基幹伝送路を介したデータの送信が無くなるか否かを常時検出しており、前記一定周期よりも長い所定の期間内に前記中央装置側からデータの受信がない場合は前記第1又は第2の通番を付与する機能を有効化した後、前記中央装置と同様にして前記他の中央装置側に向けて自車両情報を含むデータに前記第1又は第2の通番を付して前記一定周期で前記基幹伝送路を介して送信し、前記所定の期間内に前記中央装置側からデータの受信があった場合は前記第1又は第2の通番を付与する機能を無効化することを特徴とする請求項6に記載の列車情報管理装置。
- 前記自号車情報には、マスターコントローラから前記中央装置へ入力された力行ノッチ情報又はブレーキノッチ情報が含まれること特徴とする請求項1に記載の列車情報管理装置。
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US14/370,493 US9553931B2 (en) | 2012-01-04 | 2012-01-04 | Train-information managing apparatus |
JP2012515046A JP5052704B1 (ja) | 2012-01-04 | 2012-01-04 | 列車情報管理装置 |
KR1020147018255A KR101499408B1 (ko) | 2012-01-04 | 2012-01-04 | 열차 정보 관리 장치 |
PCT/JP2012/050039 WO2013102998A1 (ja) | 2012-01-04 | 2012-01-04 | 列車情報管理装置 |
CN201280065940.8A CN104040955B (zh) | 2012-01-04 | 2012-01-04 | 列车信息管理装置 |
EP12864367.3A EP2802104B1 (en) | 2012-01-04 | 2012-01-04 | Train information management device |
TW101111023A TW201328924A (zh) | 2012-01-04 | 2012-03-29 | 列車資訊管理裝置 |
HK15100129.7A HK1199777A1 (en) | 2012-01-04 | 2015-01-07 | Train information management device |
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WO2018055732A1 (ja) * | 2016-09-23 | 2018-03-29 | 三菱電機株式会社 | 端末装置、中央装置、列車情報管理システムおよび列車情報管理方法 |
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JPWO2013102998A1 (ja) | 2015-05-11 |
JP5052704B1 (ja) | 2012-10-17 |
HK1199777A1 (en) | 2015-07-17 |
CN104040955A (zh) | 2014-09-10 |
KR20140100976A (ko) | 2014-08-18 |
EP2802104A1 (en) | 2014-11-12 |
EP2802104A4 (en) | 2015-09-02 |
TW201328924A (zh) | 2013-07-16 |
CN104040955B (zh) | 2017-07-14 |
US20140376554A1 (en) | 2014-12-25 |
EP2802104B1 (en) | 2016-09-21 |
US9553931B2 (en) | 2017-01-24 |
KR101499408B1 (ko) | 2015-03-05 |
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