JP2000209710A - Device for controlling car information - Google Patents

Abstract

PROBLEM TO BE SOLVED: To shorten the response times of equipment mounted on electric cars by exchanging information between a central device and terminal devices at a certain cycle and by using a token passing transmission system in which the information is shared by the central and terminal devices. SOLUTION: A central device 7 transmits all its data to the terminal devices 1 of all of electric cars and, when the data transmission ends, transfers its transmission right to the terminal device 1 of the car No.1. The data of the terminal device of the car No.1 are transmitted to the central device 7 and the terminal devices 1 of all of the cars except itself and its transmission right is transferred to the terminal device 1 of the car No.2 upon the end of the transmission. The terminal device of the car No.2 transmits the data to the central device 7 and the terminal devices 1 of all of the cars except itself. The data transmissions are performed to the terminal device 1 of all the cars and the central device 7 and, when the transmission right is transferred to the terminal device 1 of the last car, the central device 7 regains the right and transmits the data in the same manner. This system enables a countermeasure for a failure to be performed speedily in accordance with a program installed in advance.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the collection of status information of on-vehicle equipment such as a drive control device and a brake control device mounted on a railway vehicle, the collection of train operation status information, and the master controller (mass control device). ), Or a vehicle information control device for transmitting information of a setting command switch in a cab to the vehicle-mounted device via a transmission line to control the device.

[0002]

2. Description of the Related Art The structure of an example of a conventional vehicle information control device and the flow of calculation information will be described with reference to the block diagram of FIG.
That is, for example, among the cars of the first car to the fourth car, for example, the cars of the second and third cars, excluding the first and fourth cars, constitute the terminal device (CC2) 1 and the brake device (ECU). 2, a drive control device (VVVF device) 4 and an air conditioner (HVAC) 5 are installed, and a terminal device (CC2) 1, a brake device (ECU) 2, and an air conditioner (HVAC) 5 are installed in the vehicle of the fourth car. Have been.

[0003] Further, a terminal device (CC) is provided on the first car.
1) 1, a brake device (ECU) 2, an SIV device (auxiliary power supply device) 3, and an air conditioner (HVAC) 5 are installed.
The central car (TC) 7 is installed in the car of the car No. 1, and a master controller (MC: Mascon) 8, an automatic driving device (ATO) 9, and a display (DSP) 11 are installed. These are connected to the central unit 7, and between the central unit 7 and each terminal device (CC1) 1 and each terminal device (CC2) 1 are connected by an inter-vehicle serial transmission line 10 and an in-vehicle serial transmission line 6. In between, information can be exchanged.

Information can be exchanged with each of the terminal devices 1 and any one of the brake device 2, the auxiliary power supply device 3, the air conditioner 5, and the drive control device 4.
And the master controller 8, the automatic driving device 9, the display 11
During the period, information can be exchanged.

[0005] Each terminal device 1 and central device 7 are connected to a serial transmission line 10 between vehicles and a serial transmission line 6 inside a vehicle.
The terminal device 1 sends information based on a request from the central device 7. The central device 7 collects them, performs an editing process, and displays the vehicle status on the display 11.

[0006] Conversely, the central unit 7 comprises a master controller 8,
Alternatively, the power running from the automatic driving device 9 and the supplementary braking command 12
Is transmitted to the brake device 2 and the VVVF device 4 via the terminal device 1, and the brake device 2 and the VVVF device 4 output a traction force or a braking force corresponding to the command value.

[0007] In transmitting and receiving such information, the central unit 7 becomes the "parent" in transmission, and polls between the terminal 1 which is the "child" in transmission and receives information from the terminal 1 designated by the parent. The method is adopted.

According to this polling method, the central unit 7 transmits a polling sequence to the terminal device 1 that intends to perform communication, and invites the terminal device 1 to transmit information to the other party. The invited terminal device 1 has information to be transmitted. In this case, information is transmitted to the central unit 7, and if there is no information to be transmitted, a negative response is transmitted.

In this configuration, if one brake device 2 fails and the remaining brake devices 2 control to compensate for the reduced braking force due to the failure, it is determined whether the central device 7 has failed first. The information is collected by transmission, and then the normal brake device 2 calculates how much correction should be performed to satisfy the required value from the master controller 8 or the automatic driving device 9, and calculates the terminal device 1. , The required braking force is sent to the brake device 2.

[0010]

In the above-mentioned conventional vehicle information control apparatus, a compensation operation or the like for maintaining the performance of the train is always calculated by the central device, and the calculation result is stored in the terminal device having each vehicle. Since the polling method is used for transmitting and supplying the brake control device and the drive control device connected to each terminal device, the information is transmitted to the vehicle-mounted devices such as the brake device 2 connected to the plurality of terminal devices 1. Takes a long time, and the response of the brake device 2 and the like becomes slow.

In this case, the flow of information needs to pass through the transmission path of the brake device 2 → terminal device 1 → central device 7 → terminal device 1 → brake device 2 as shown by the arrow in FIG. All vehicles are the same, and in this case, there is a disadvantage that response is slow. An object of the present invention is to provide a vehicle information control device that can quickly maintain the performance of a system.

[0012]

In order to achieve the above object, according to the present invention, a central unit constituting a master station and a plurality of slave stations are provided for each of a plurality of vehicles constituting one train. Any one of the terminal devices constituting the terminal device is mounted, and the central device and each of the terminal devices are connected by a transmission line, and the central device requires a powering command corresponding to the traction force required for the entire train, or a power command for the entire train. A command output device for outputting a brake command corresponding to the braking force to be connected is connected, a brake control device is mounted on each of the vehicles, and a drive control device is mounted on at least two of the vehicles, respectively; A brake control device or a drive control device is connected to the central device and the plurality of terminal devices, and transmits information between each of the terminal devices and the central device, from the command output device. In a vehicle information control device that controls each of the brake control devices or each of the drive control devices based on commands, as a method of transmitting information between the central device and each of the terminal devices, information is transmitted and received at a fixed cycle, and Using a token passing method in which the information of all the central units and the terminal units are temporarily stored, and utilizing that each terminal unit shares the same information with the central unit. Compensation calculation for maintaining the calculation, or calculation between vehicles is performed by one of the terminal devices, and the calculation result is transmitted to the terminal device that performed the calculation or a terminal device other than the central device. It is a vehicle information control device configured.

According to the first aspect of the present invention, a token passing method in which information is transmitted and received between a central device and a plurality of terminal devices at a constant period as an information transmission method, and information of each terminal device is shared with the central device. Since the transmission method is used,
In the conventional vehicle information control device, the calculation is always performed by the central device, and the time for transmitting the calculation result to the terminal device via the transmission line can be omitted, and the response time of the on-vehicle equipment can be reduced.

In order to achieve the above object, an invention according to claim 2 is a system in which a plurality of vehicles constituting the one train operate from the respective brake control devices as a whole train during power running control or brake control. Power, when there is a difference between the braking force obtained by the brake control device based on the command from the command output device, or the traction force acting as a whole train from each of the drive control devices, and from the command output device When a difference occurs in the traction force obtained by the drive control device based on the command from each drive control device, the command from the central device or the terminal device is changed to change the braking force of the brake control device or the drive. 2. The vehicle information control device according to claim 1, wherein a difference in tractive force of the control device is compensated.

According to the invention corresponding to claim 2, in addition to the effect of the invention corresponding to claim 1, in addition to the value based on the command value of the braking force or the traction force, the value from the brake control device or the drive control device is provided. Since the difference between the output values is compensated for, it is possible to prevent the performance of the entire train from deteriorating or the ride quality from becoming worse.

In order to achieve the above object, the invention according to claim 3 is characterized in that, when a plurality of vehicles constituting the one train are in power running control or brake control, a part of each brake control device or each drive control is performed. When a part of the device fails, the failure information is sent to the central device via the terminal device, and the central device removes the failed brake control device or the drive control device, and the remaining healthy brake control devices The vehicle information control device according to claim 1, wherein a command is given to the drive control device so as to supplement an output that the failed brake control device or the drive control device would output.

According to the third aspect of the present invention, in addition to the operation of the first aspect of the present invention, for a sound device other than a failed brake control device or a drive control device,
Since the output value that would be output by the failed device is supplemented, the output as the command value is obtained as the whole system.

[0018]

Embodiments of the present invention will be described below with reference to the drawings.

<First Embodiment (Embodiment Corresponding to Claim 1)> FIG. 1 is a block diagram showing a schematic configuration of the present invention. For example, each of the first to fourth cars constituting one train The vehicle-mounted equipment mounted on the vehicle is the same as the conventional apparatus shown in FIG. That is, for example, among the cars of the first car to the fourth car, for example, the cars of the second and third cars, excluding the first and fourth cars, constitute the terminal device (CC2) 1 and the brake device (ECU). 2, a drive control device (VVVF device) 4 and an air conditioner (HVAC) 5 are installed, and a terminal device (CC2) 1 and a brake device (EC)
U) 2 and an air conditioner (HVAC) 5 are installed.

Further, a terminal device (CC) is provided on the first car.
1) 1, a brake device (ECU) 2, an SIV device (auxiliary power supply device) 3, and an air conditioner (HVAC) 5 are installed.
The central car (TC) 7 is installed in the car of the car No. 1, and a master controller (MC: Mascon) 8, an automatic driving device (ATO) 9, and a display (DSP) 11 are installed. These are connected to the central unit 7, and between the central unit 7 and each terminal device (CC1) 1 and each terminal device (CC2) 1 are connected by an inter-vehicle serial transmission line 10 and an in-vehicle serial transmission line 6. In between, information can be exchanged.

Information can be exchanged with each of the terminal devices 1 and any one of the brake device 2, the auxiliary power supply device 3, the air conditioner 5, and the drive control device 4.
And the master controller 8, the automatic driving device 9, the display 11
During the period, information can be exchanged.

The terminal device 1 and the central device 7 are connected to a serial transmission line 10 between vehicles and a serial transmission line 6 inside a vehicle.
The terminal device 1 sends information based on a request from the central device 7. The central device 7 collects them, performs an editing process, and displays the vehicle status on the display 11.

On the other hand, the central device 7 has a master controller 8,
Alternatively, the power running from the automatic driving device 9 and the supplementary braking command 12
Is transmitted to the brake device 2 and the VVVF device 4 via the terminal device 1, and the brake device 2 and the VVVF device 4 output a traction force or a braking force corresponding to the command value.

In transmitting and receiving such information, the central device 7 becomes the "parent" in transmission and transmits information to the terminal device 1 which is the "child" in transmission by the token passing method. Has become.

In the token passing system, in a communication mode in which a plurality of communication devices are connected to a shared transmission line, for example, serial transmission lines 6 and 10, a token [transmission line to be shared] is used as a transmission right acquisition method for the transmission lines 6 and 10. Control word used for granting a transmission right (transmission right) to the When a token circulating on the transmission lines 6 and 10 comes to its own terminal device, if there is a transmission request, the transmission right is acquired by capturing this token. At this time, there are a method of extinguishing the token and a method of entering the transmission right acquisition in the token and making the next round. When the transmission is finished, the new token is released again on transmission lines 6,10.

FIG. 2 shows the flow of information by scan transmission. First, the central device 7 transmits all the data (information) D1 possessed by the central device 7 to the terminal device 1 of the vehicle, and transfers the transmission right to the terminal device 1 of the first car when the transmission of the data D1 is completed.

Next, the terminal device 1 of the first car sends the data (information) D2 to the central device 7 and the other terminal devices 1 other than the first car, and when this is completed, the transmission right is given to the terminal device 1 of the second car.
Transfer to Thereafter, the terminal device 1 of the second car sends the data (information) D3 to the central device 7 and other terminal devices other than the second car.

As described above, the terminal devices 1 of all vehicles
When the transmission right has passed to the terminal device of the last car, the central device 7 has the transmission right again and sends the data D1 to each terminal (the data D1 and the previous data D1). Has different data contents due to time lag.) By such a transmission operation, the central device 7 and all the terminal devices 1 share data with each other.

FIG. 3 shows an example of the contents of a transmission data area to be transmitted and received. The data describes information from a device connected to each terminal device 1. For example, device state information 20, traction command force 25, braking command force 2
6, the actual traction force 27, the actual braking force 28, and the like. The device state information 20 includes a slip information bit 21, a slide information bit 22, a VVVF device failure information bit 23, and a brake device failure information bit 24.

Assuming that this data is the data D2 from the terminal device 1 of the second car, the central device 7 receiving this data and the other terminal devices 1 other than the second car are connected to the terminal device 1. You can immediately understand the status of the on-board equipment.

That is, if a failure occurs in the brake device 2 connected to the terminal device 1, the information is as follows:
It will be transmitted to the information control device instantly. As a result, each device can quickly respond to the failure according to the program installed in advance.

<Second Embodiment (Embodiment Corresponding to Claim 2)> In the vehicle information control device configured as shown in FIG. 1, for example, when one VVVF device 4 cannot output a predetermined output. This is an embodiment when the output is insufficient shortly due to, for example, idling. In this case, in order to maintain the driving force of the entire train, it is necessary to supplement the insufficient driving force of the remaining idle VVVF device 4. In this case, the command data transmitted from the central unit 7 includes the braking command force 26 (FIG. 3) necessary for the entire train and each VVV
The actual traction force 27 (FIG. 3) output from the F device 4 is incorporated.

As a result, the VVVF device 4 which is not idling
Is controlled by the serial transmission lines 6, 10
The traction force to be supplemented is calculated from the traction command force 25 required for the entire train obtained from the above and the actual traction force 27 of the device running idle and lacking the traction force, and the VVV controlled by the terminal device 1 is calculated.
The F device 4 is requested to supply a supplementary driving force.

<Third Embodiment (Embodiment Corresponding to Claim 3)> In the vehicle information control device configured as shown in FIG. 1, for example, one brake device 2 is broken down. . In this case, in order to maintain the braking force of the entire train, the remaining sound braking device 2 needs to additionally output the braking force of the braking device 2 reduced by the failure in addition to the braking force that has been applied up to now. There is. In this case, the command data transmitted from the central device 7 includes the braking force necessary for the entire train, and the information from each terminal device 1 includes the operation status in the device status information 20 of each device (FIG. 3). [VV
VF device failure bit 23, brake device failure bit 24
(FIG. 3)].

As a result, the terminal device 1 that controls the sound device calculates the braking force necessary for the entire train obtained from the transmission and the braking force to be output from the state of the other devices, and calculates the terminal device 1 Can request a supplementary braking force from the brake device 2 controlled by the controller. The same applies to traction.

[0036]

According to the present invention, a master station as a central unit and a plurality of slave stations as a plurality of terminal devices are connected via a transmission line, and a token is established between the master station and the slave stations. By transmitting information by the passing method, it is possible to provide a vehicle information control device capable of quickly maintaining the performance of the system.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a schematic configuration for describing an embodiment of a vehicle information control device according to the present invention.

FIG. 2 is a view showing an operation state of scan transmission for explaining the operation of FIG. 1 and transmission contents according to the present invention.

FIG. 3 is a view showing data contents for explaining the operation of FIG. 1;

FIG. 4 is a diagram showing a configuration of a conventional vehicle information control device and a flow of calculation data.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Terminal device 2 ... Brake device 3 ... SIV device (auxiliary power supply device) 4 ... VVVF device (drive control device) 5 ... Air-conditioning device 6 ... Serial transmission line in a vehicle 7 ... Central device 8 ... Master controller (MC: Mascon) 9) Automatic driving device (ATO) 10 ... Serial transmission line between vehicles 11 ... Display 12 ... Supplementary braking command 13 ... Device information

Claims (3)

[Claims] 1. Each of a plurality of vehicles constituting one train,
Any one of the central device constituting the master station and the terminal devices constituting the plurality of slave stations is mounted, and the central device and each of the terminal devices are connected by a transmission line. A command output device that outputs a powering command corresponding to the traction force to be performed or a brake command corresponding to the braking force required for the entire train is connected, and each of the vehicles is provided with a brake control device, and at least one of the vehicles is provided with a brake control device. A drive control device is mounted on each of the two devices, and the brake control device or the drive control device is connected to the central device and the plurality of terminal devices, and transmits information between each of the terminal devices and the central device. A vehicle information control device that controls each of the brake control devices or each of the drive control devices based on a command from the command output device; As a method of transmitting information between terminal devices, information is transmitted and received at a fixed cycle, and each information is temporarily stored in all central devices and terminal devices, and a token passing method is used. The present invention utilizes the same information as that of the central device, and performs a compensation operation for maintaining train performance, or an operation between vehicles by using one of the terminal devices. A vehicle information control device configured to transmit a result to a terminal device that has performed the calculation or a terminal device other than the central device. 2. A method according to claim 1, wherein the plurality of vehicles constituting the one train are in power running control or brake control, and the brakes are applied based on a braking force acting as a whole train from each of the brake control devices and a command from the command output device. When a difference occurs in the braking force obtained by the control device, or the traction force acting as a whole train from each of the drive control devices, and the drive control device based on a command from each of the drive control devices from the command output device. When a difference occurs in the tractive force obtained by the above, the command from the central device or the terminal device is changed to compensate for the difference in the braking force of the brake control device or the tractive force of the drive control device. The vehicle information control device according to claim 1, wherein: 3. When a part of each of the brake control devices or a part of each of the drive control devices fails during power running control or brake control of a plurality of vehicles constituting the one train, the failure information is stored in the vehicle. Sending to the central unit via a terminal device, the central unit excluding the failed brake control unit or the drive control unit, for the remaining healthy brake control unit or the drive control unit, the failed brake control unit; 2. The vehicle information control device according to claim 1, wherein a command is given to supplement an output that the drive control device will output.