JP2000348296A - Vehicle allocation system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To drastically reduce waiting time for a vehicle and to drastically improve a delivery efficiency by making the arrival time of a vehicle traveling to a collection and delivery place to be accurately predicted and starting loading preparation. SOLUTION: This system transmits vehicle allocation information generated by a vehicle allocation plan operation processor 6 to the satellite communication equipment 4 of each vehicle 3 via a communication satellite, and makes the driver of the self-vehicle 3 grasp a scheduled arrival time of the vehicle 3 and drive the vehicle 3. Positional information obtained in such a manner that the equipment 4 of the self-vehicle 3 detects the position of the self-vehicle 3 and a vehicle ID allocated to each vehicle 3 are made to be transmitted to the processor 6 via the communication satellite, and the arrival time of each vehicle 3 is predicted. Then, a load preparation instruction is outputted to the staff at a collection and delivery place 7 on the basis of the predicted arrival time of each vehicle 3 obtained by a predictive operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle dispatching system for managing vehicles used in a distribution system or the like, and more particularly, to managing the position of vehicles using communication satellites and the like, and performing operations such as preparation for loading cargo. Regarding the dispatch system to be started.

[0002]

2. Description of the Related Art The following procedures are known for delivering cargo stored in a distribution warehouse or the like to each factory or each store using a vehicle such as a truck. First, the management company that manages the distribution warehouse sorts out shipping requests from each factory and each store, and determines a shipping schedule for the next day. The determined shipping schedule is notified to the driver of each vehicle and the like, and the vehicle arrives at the collection / delivery site of the distribution warehouse at the time specified by the shipping schedule. Then, let the workers at the collection and delivery place load the luggage, and when the loading of the luggage specified in the shipping schedule is completed, the luggage stored in the logistics warehouse by the procedure of starting the vehicle, at each factory, They are shipped to each store.

[0003] Procedures other than such procedures are also known. When delivering packages stored in distribution warehouses to factories and stores, etc., the management company that manages the distribution warehouse organizes shipment requests from each factory and each store and schedules the next day's shipping schedule. Decide. This shipping schedule is notified to the driver of each vehicle and the like, and the vehicle arrives at the collection / delivery site of the distribution warehouse at the time specified in the shipping schedule. Next, the driver of the vehicle operates the terminal device to notify the workers waiting in the work place that the vehicle has arrived at the collection / delivery site, collects the workers at the collection / delivery site, and collects the luggage. Let them do the loading. When the loading of the luggage specified in the shipping schedule is completed, the vehicle is started. With such a procedure, the luggage stored in the distribution warehouse is shipped to each factory or each store.

[0004]

However, in such a conventional shipping procedure, each vehicle arrives at a pickup / distribution station based on a shipment schedule determined the day before and is monitored by a worker at the pickup / discharge station. After confirming that the vehicle has arrived, or after the terminal device is operated by the driver of each vehicle and notified that the vehicle has arrived, preparations for loading luggage to be shipped are started. However, there is a problem that it takes a certain amount of time from when the vehicle arrives at the pickup and delivery place to when the loading operation of the luggage starts, and the vehicle that arrives at the pickup and delivery place is kept waiting.

[0005] Further, if the arrival of vehicles is delayed due to traffic congestion on general roads, etc., it is necessary to change to a shipping schedule, and the changed shipping schedule must be notified to the driver of each vehicle. There is a problem that a considerable burden is imposed on the employees of the management company that manages the warehouse and each driver of the transportation company.

SUMMARY OF THE INVENTION In view of the above circumstances, according to the present invention, according to the present invention, the arrival time of a vehicle heading to a pickup and delivery place is accurately predicted, preparation for loading is started, and when the vehicle arrives at the pickup and delivery place, the cargo Can be carried out,
Accordingly, an object of the present invention is to provide a vehicle allocation system that can significantly reduce the waiting time of a vehicle and significantly reduce the delivery efficiency.

According to the second aspect of the present invention, the position of the own vehicle can be detected by each vehicle using the existing system, so that the system construction cost can be reduced. It is an object of the present invention to provide a vehicle allocation system that can dramatically improve the accuracy of detecting and predicting the arrival time of each vehicle.

[0008] According to claim 3, by one management device,
It is possible to manage a plurality of pickup and delivery stations, thereby facilitating the increase and decrease of pickup and delivery stations, and to enhance the flexibility of the system. It is an object of the present invention to provide a vehicle allocation system that can improve the delivery efficiency of vehicles.

In order to achieve the above object, according to the present invention, according to the present invention, vehicle allocation information is provided to a vehicle,
In a dispatch system that loads cargo at a pickup / delivery station, a display processing unit mounted on the vehicle and displaying dispatch information received via a communication satellite or via a mobile phone line,
An in-vehicle apparatus having position detection processing means for detecting the position of the vehicle and generating position information, and transmission processing means for transmitting the position information obtained by the position detection processing via a communication satellite or a mobile phone line; Instruction processing means for creating dispatch information for the vehicle based on the dispatch plan data, transmitting the information to a vehicle-mounted device of the vehicle via a communication satellite or a mobile phone line, and displaying the information, and via a communication satellite or a mobile phone line Prediction processing means for predicting a time at which the vehicle arrives at a pickup / delivery site based on the position information of the vehicle transmitted from the on-vehicle device; and a method for matching the predicted arrival time of the vehicle obtained by the prediction processing means. And a management device having a loading instruction processing means for issuing a loading preparation instruction to the collection and delivery site.

According to a second aspect of the present invention, in the vehicle allocation system according to the first aspect, the position detection processing means uses a GPS satellite to notify the position of the vehicle using a GPS satellite, a radio wave beacon, an optical beacon, or a radio wave. Is characterized by using a VICS for notifying the position of.

According to a third aspect of the present invention, in the vehicle allocation system according to any one of the first and second aspects, the management device includes a wireless LAN.
It is characterized in that a loading preparation instruction is transmitted and displayed to each loading terminal device arranged in each pickup / distribution hall using any of an AN, an Internet line, a public telephone line, and a mobile telephone line.

According to the first aspect of the present invention, the on-vehicle device mounted on the vehicle performs the display processing for displaying the content received via the communication satellite or the mobile phone line, and the display processing from the position notification system. It performs a position detection process of receiving a signal and creating position information of the own vehicle, and a transmission process of transmitting the position information obtained by the position detection process via a communication satellite or a mobile phone line. On the other hand, the management device creates dispatching information for the vehicle based on the dispatching plan data, transmits the information to a vehicle-mounted device of the vehicle via a communication satellite or a mobile phone line, and displays it. A prediction process for predicting a time at which a vehicle will arrive at a pickup / delivery site based on vehicle position information transmitted from an on-vehicle device of the vehicle via a telephone line, and collecting / distributing according to the predicted arrival time of the vehicle obtained by the prediction process. A loading instruction process for issuing a loading preparation instruction to the shop is performed. As a result, it is possible to accurately predict the arrival time of the vehicle heading to the pickup and delivery place,
The loading preparation is started, and when the vehicle arrives at the pickup / delivery site, the loading operation is performed, so that the waiting time of the vehicle is significantly reduced, and the delivery efficiency is significantly reduced.

According to the second aspect of the present invention, as a position notification system used as a position detection means of an on-vehicle device, a GP for notifying the position of a vehicle using a GPS satellite is provided.
S, or a VICS that uses a radio beacon, an optical beacon, or a radio wave to notify the position of the vehicle. This allows
Using the existing system, each vehicle can detect the position of its own vehicle, while keeping the system construction cost low,
Accuracy at the time of making each vehicle detect the position of the own vehicle and predicting the arrival time of each vehicle is greatly improved.

According to the third aspect of the present invention, the management device includes a wireless LAN, an Internet line, a public telephone line,
Using any one of the mobile telephone lines, a loading preparation instruction is transmitted and displayed to each loading terminal device arranged at each pickup / distribution hall. This allows a single management device to manage a plurality of pick-up and drop-off stations, facilitate the increase and decrease of pick-up and drop-off points, enhance system flexibility, centralize information management processing, transport efficiency of each vehicle, and deliver each pick-up and drop off point. Improve efficiency.

[0014]

FIG. 1 is a block diagram showing an embodiment of a vehicle allocation system according to the present invention.

The vehicle allocation system 1 shown in FIG. 1 includes a satellite communication device 4 mounted on each vehicle 3 traveling on a general road 2,
A vehicle allocation plan calculation processing device 6 disposed in a building 5 of a management company that manages the vehicle allocation system 1 and a distribution warehouse 20 provided in a pickup / distribution place 7 for packages 6,
A loading yard terminal device 9 for loading the luggage 6 into the vehicle 3 entering the pickup / delivery yard 7 while communicating with the dispatching plan calculation processing device 6 via the AN 8 and an orbit centered on the earth. Satellite communication device 4 mounted on each vehicle 3 while rotating
And a communication satellite 10 that supports communication between the vehicle and the vehicle allocation plan calculation processing device 6 disposed in the management company. The vehicle allocation information is transmitted to the satellite communication device 4 of each vehicle 3 via the
, The vehicle 3 is driven, the position of the own vehicle 3 is detected by the satellite communication device 4 of each vehicle 3, and the position information obtained by this detection operation and each vehicle 3 Is transmitted to the dispatching plan calculation processing device 6 via the communication satellite, and the arrival time of each vehicle 3 is predicted. The predicted arrival time of each vehicle 3 obtained by this prediction operation is On the basis of this, a loading preparation instruction is issued to a staff member of the collection / delivery place 7, and when each vehicle 3 arrives at the collection / delivery place 7, the loading operation of the luggage 6 is started.

A communication satellite 10 transmits a plurality of GPS (Global Positioning S) signals transmitting GPS signals including position information, time information, and the like while orbiting the earth.
ystem) satellites, or CS (Communication Satellite) satellites that receive radio waves transmitted from the ground side while orbiting around the earth and transmit them to the ground side. When the radio wave including the vehicle allocation information is transmitted from the vehicle allocation plan calculation processing device 6 disposed in the vehicle 3, the radio wave is received and transmitted to the satellite communication device 4 mounted on each vehicle 3, and is also mounted on each vehicle 3. When a radio wave including vehicle information is transmitted from the satellite communication device 4
This is received and transmitted to the vehicle allocation plan calculation processing device 6 arranged in the management company.

As shown in FIG. 2, the satellite communication device 4 is mounted on each vehicle 3 such as a truck, and receives GPS signals transmitted from GPS satellites, VICS (Vehicle Infomati).
on and communication system), a VICS signal transmitted as an optical beacon, a radio beacon, an FM radio wave, etc., to detect the current position of the own vehicle 3 and generate position information; A communication unit 12 that transmits and receives radio waves to and from a communication satellite 10 via an on-board satellite communication antenna (not shown), position information output from the position detection unit 11 and a preset vehicle ID (each A process of generating vehicle information by pairing with a unique code identifying the vehicle 3 and transmitting a radio wave including the vehicle information from the satellite communication antenna, including the radio wave from the communication satellite 10 received by the satellite communication antenna. A display device (not shown) disposed in the driver's seat of the vehicle 3 that reproduces the dispatching information (information indicating the time, pickup location, etc.)
And a control unit 13 for performing processing for displaying the information on the display.

In the satellite communication device 4, a radio wave including vehicle allocation information is transmitted from the vehicle allocation plan calculation processing device 6,
When this is relayed by the communication satellite 10 and received by the satellite communication antenna, the vehicle allocation information included in the radio wave is reproduced and displayed on the display device arranged in the driver's seat of the vehicle 3. In parallel with this operation, a GPS signal transmitted from a GPS satellite, a VICS signal transmitted from a VICS, and the like are received to detect the current position of the vehicle 3 and position information obtained by the detection operation. A radio wave including vehicle information is transmitted from a satellite communication antenna in combination with a preset vehicle ID.

The vehicle allocation plan calculation processing device 6 includes an ID information database device 14 in which each vehicle ID set in each satellite communication device 4 mounted on each vehicle 3 is stored.
Vehicle allocation plan database device 15 storing vehicle allocation plan data corresponding to a shipping plan created by an operator
And a communication unit 14 for transmitting and receiving radio waves to and from the communication satellite 10 via a satellite communication antenna (not shown) arranged on the roof of the building 6 in which the management company is located, and a vehicle allocation plan database device 15. A process of generating vehicle allocation information for each vehicle 3 according to the stored vehicle allocation plan data, controlling the communication unit 14 to transmit a radio wave including vehicle allocation information from a satellite communication antenna, and receiving a radio wave by the satellite communication antenna. When the vehicle information included in the radio wave is output from the communication unit 14, the position information included in the vehicle information is analyzed, and the order in which each vehicle 3 arrives at the pickup and delivery place 7 (the estimated arrival order). , Time (estimated arrival time),
Vehicle I stored in the ID information database device 14
D, with reference to the dispatch plan data stored in the dispatch plan database device 15, vehicle arrival information such as the predicted arrival order of each vehicle 3, the estimated arrival time, the number of the load 6 to be loaded, the loading operation Processing unit 16 for performing a process of generating loading preparation information such as the number of a place where the vehicle is to be loaded, a vehicle arrival information and loading preparation information output from the processing unit 16 and
And a communication unit 17 for supplying the loading terminal device 9 via the communication terminal 8.

The vehicle allocation plan calculation processing device 6 generates vehicle allocation information based on vehicle allocation plan data registered in the vehicle allocation plan database device 14, and
The radio wave including the dispatch information is transmitted to the communication satellite 10, and the display device of each vehicle 3 displays dispatch information (information indicating a time, a pickup location, etc.) for each vehicle 3, and
Radio waves transmitted from each vehicle 3 and relayed by the communication satellite 10 are received, the current position of each vehicle 3, the state of congestion, and the like are grasped, and the order and time at which each vehicle 3 arrives at the pickup and delivery place 7 are predicted. Then, vehicle arrival information and loading preparation information are generated in the order of arrival of each vehicle 3 and supplied to the loading terminal device 9 via the wireless LAN 8.

The loading terminal device 9 communicates with the dispatching plan calculation processing device 6 via the wireless LAN 8 through a communication section 18.
And the vehicle arrival information received by the communication unit 18,
A display unit 19 for displaying the contents of the loading preparation information and the like in a light-emitting format, a screen display format, and the like, and when the vehicle arrival information, loading preparation information, and the like are transmitted from the vehicle allocation plan calculation processing device 6, the wireless LAN 8 is connected. Upon receiving the information, a loading preparation instruction, a vehicle arrival notification, and the like are displayed, and the vehicle 6 entering the collection / delivery station 7 is prepared for the load 6 to be loaded.

Next, the operation of this embodiment will be described with reference to the configuration diagram shown in FIG. 1 and the block diagram shown in FIG.

First, the operator of the management company operates the keyboard device and the like of the vehicle allocation plan calculation processing device 6 to control the vehicle I of the satellite communication device 4 mounted on each vehicle 3.
D is registered in the ID information database device 14.

Thereafter, based on the shipping plan of the package 6 to be shipped from the pickup / delivery site 7, the operator
When a keyboard device or the like is operated to input the contents of the dispatch plan corresponding to the shipping plan, the arithmetic processing unit 16 creates dispatch plan data corresponding to the contents of the dispatch plan, and this is used as the dispatch plan database device 15. Registered in.

In parallel with this operation, the arithmetic processing unit 16
With reference to the vehicle allocation plan data registered in the vehicle allocation plan database device 15, the vehicle allocation information (information indicating the time, collection location, etc.) required to ship the package 6 to be delivered on the day or the next day. Is generated, and the dispatch information is supplied to the communication unit 14, and a radio wave including the dispatch information is transmitted from the communication unit 14, and this is transmitted by the communication unit 14 → the communication satellite 10 → the communication of the satellite communication device 4 of each vehicle 3. It is supplied through the path of the section 12.

The control unit 13 of each satellite communication device 4 mounted on each vehicle 3 analyzes the vehicle allocation information received by each communication unit 12 and displays the vehicle allocation information on the display device of each vehicle 3. While the dispatch information for 3 is displayed,
The driver of each vehicle 3 understands the contents of the vehicle allocation plan on the day or the next day, and the vehicle 3 is driven so that the vehicle 3 can arrive at the collection and delivery place 7 at the estimated arrival time.

In parallel with this operation, the position detection unit 11 of the satellite communication device 4 mounted on each
A GPS signal transmitted from the S satellite, a VICS signal transmitted from the VICS, and the like are received, and the current position of each vehicle 3 is detected. Based on the detection result, position information is generated and at predetermined time intervals. After the control unit 13 of each satellite communication device 4 operates to generate vehicle information including the current position information obtained by the position detection unit 11 and the vehicle ID of the own vehicle 3, the communication unit 12 transmits a radio wave including vehicle information, which is transmitted from the communication unit 12 to the communication satellite 10 →
The vehicle information is supplied through the route of the communication unit 14 of the vehicle allocation plan calculation processing device 6, and the communication unit 14 outputs the vehicle information included in the radio wave.

Then, the arithmetic processing unit 16 connected to the communication unit 14 refers to the vehicle ID of each vehicle 3 stored in the ID information database device 14 to generate the vehicle information output from the communication unit 14. Vehicle I included
D, the position information is analyzed to determine the position of each vehicle 3, the presence or absence of congestion, and the like, and based on the determination result, the order in which each vehicle 3 arrives at the pickup and delivery place 7 (estimated arrival order), time (arrival) Prediction time) is predicted.

Next, based on the prediction result, the vehicle allocation information stored in the vehicle allocation planning database device 15 is referred to, and the vehicle arrival information including the order prediction and the predicted arrival time at which each vehicle 3 arrives at the pickup and delivery place 7. And loading preparation information including information on the luggage 6 to be loaded into each vehicle 3, which is supplied to the loading terminal 9 via the wireless LAN 8, and Is displayed on the display unit 19.

Thus, each attendant at the pickup / delivery hall 7 knows the vehicle 3 arriving next and the luggage 6 that must be loaded on this vehicle 3, and immediately when the next vehicle 3 arrives, Preparation for loading the luggage 6 is started so that loading can be started, and when the next vehicle 3 arrives at the pickup / delivery site 7, the loading operation of the luggage 6 already prepared is started by each attendant.

As described above, in this embodiment, the dispatching plan calculation processing unit 6 creates dispatching information for each vehicle 3 and transmits the information to the satellite communication device 4 of each vehicle 3 via the communication satellite.
To the driver of each vehicle 3 so that the driver of each vehicle 3 knows the estimated time of arrival of the vehicle 3, and drives the vehicle 3. The satellite communication device 4 of each vehicle 3 determines the position of the vehicle 3. Then, the location information obtained by this detection operation and the vehicle ID assigned to each vehicle 3 are transmitted to the dispatching plan calculation processing device 6 via a communication satellite, and the arrival time of each vehicle 3 is predicted. , Each vehicle 3 obtained by this prediction operation
The arrival time of the vehicle 3 heading to the collection and delivery station 7 is accurately predicted, and the preparation for loading is started. When the vehicle 3 arrives at the collection / delivery site 7, the loading operation of the luggage 6 can be performed, whereby the waiting time of the vehicle 3 can be significantly reduced, and the delivery efficiency can be significantly reduced.

In this embodiment, the GPS, VI
Since the position of the own vehicle 3 is detected by each vehicle 3 using a signal transmitted from an existing system such as CS, the vehicle allocation plan calculation process is performed while the construction cost of the vehicle allocation system 1 is kept low. The position of each vehicle 3 can be ascertained by the device 6, thereby greatly improving the accuracy of predicting the arrival time of each vehicle 3 and the like.

Further, in this embodiment, a plurality of vehicles 3 and a plurality of pickup and delivery stations 7 are managed by one vehicle assignment plan calculation processing device 6, so that the number of pickup and delivery stations 7 is increased. Even when the time is reduced, the flexibility of the system can be enhanced by easily coping with the situation, and the information management processing can be concentrated to reduce the transportation efficiency of each vehicle 3 and the delivery efficiency of each collection / delivery place 7. Can be improved.

Also, in the above-described embodiment, the communication satellite 10 orbiting the earth connects the vehicle allocation plan calculation processing device 6 to each satellite communication device 4 mounted on each vehicle 3. Although the communication is supported, a line other than such a satellite communication line, for example, a line such as a mobile phone line, is used, and the vehicle allocation plan calculation processing device 6 and each satellite communication mounted on each vehicle 3 are used. Communication with the device 4 may be supported.

Also in this case, it is possible to support communication between the vehicle allocation plan calculation processing device 6 and each satellite communication device 4 mounted on each vehicle 3 without newly constructing a communication system. .

In the above-described embodiment, the wireless LA
N8 is used to support communication between the dispatching plan calculation processing device 6 and the loading terminal device 9. However, any one of the Internet line, public telephone line, and mobile telephone line is used. Thus, communication between the vehicle allocation plan calculation processing device 6 and the loading terminal device 9 may be supported.

Also in this case, as in the above-described embodiment, one vehicle allocation plan calculation processing device 6 issues a vehicle allocation instruction to each vehicle 3 and causes the position of each vehicle 3 to be grasped. A loading preparation instruction is issued to the pickup / delivery hall 7, whereby information management processing can be concentrated, and the transportation efficiency of each vehicle 3 and the delivery efficiency of each collection / delivery hall 7 can be improved, and the management cost can be reduced. it can.

[0038]

As described above, according to the present invention, in the vehicle dispatching system according to the first aspect, the arrival time of the vehicle heading to the pickup and delivery place is accurately predicted, preparation for loading is started, and the vehicle is picked up and delivered. At the time of arrival at the place, the loading operation of the luggage can be performed, and the waiting time of the vehicle can be greatly reduced, and the delivery efficiency can be greatly reduced.

In the vehicle allocation system according to the second aspect, the position of the host vehicle can be detected by each vehicle using an existing system, and the position of the host vehicle can be detected while keeping the system construction cost low. , And the accuracy of predicting the arrival time of each vehicle can be dramatically improved.

In the vehicle dispatching system according to the third aspect, a plurality of pickup and delivery stations can be managed by one management device, the number of pickup and delivery stations can be easily increased and decreased, and the flexibility of the system can be increased. By concentrating, it is possible to improve the transportation efficiency of each vehicle and the distribution efficiency of each collection and delivery place.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing an embodiment of a vehicle allocation system according to the present invention.

FIG. 2 is a block diagram showing an example of a circuit configuration of the vehicle allocation system shown in FIG.

[Explanation of symbols]

 1: Vehicle allocation system 2: General road 3: Vehicle 4: Satellite communication device (vehicle device) 5: Building 6: Vehicle allocation plan calculation processing device (management device) 7: Collection and delivery area 8: Wireless LAN 9: Loading terminal device 10 : Communication satellite 11: Position detection unit 12, 17, 18: Communication unit 13: Control unit 14: ID information database device 15: Vehicle assignment plan database device 16: Operation processing unit 19: Display unit 20: Distribution warehouse

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tetsuya Nakamura 1-1-1, Shibaura, Minato-ku, Tokyo F-term in the head office of Toshiba Corporation 5B049 AA01 AA02 BB31 CC11 CC40 FF03 GG02 GG03 GG06 GG09 5H180 AA15 BB02 BB04 BB05 BB15 FF05 FF10 FF12 FF13 FF27 FF32

Claims (3)

[Claims] Claims: 1. A dispatching system for providing dispatch information to a vehicle and loading luggage at a pickup / delivery station, wherein the display processing means is mounted on the vehicle and displays dispatch information received via a communication satellite or via a mobile phone line. And position detection processing means for detecting the position of the vehicle and generating position information, and transmission processing means for transmitting the position information obtained by the position detection processing means via a communication satellite or a mobile phone line. An in-vehicle device, instruction processing means for creating dispatch information for the vehicle based on the dispatch plan data, transmitting the information to an in-vehicle device of the vehicle via a communication satellite or a mobile phone line, and displaying the information, and Prediction processing means for predicting the time at which the vehicle will arrive at a pickup and delivery place based on the position information of the vehicle transmitted from the on-board device via a telephone line,
A management device having a loading instruction processing means for issuing a loading preparation instruction to the collection and delivery site to match the predicted arrival time of the vehicle obtained by the prediction processing means. 2. The vehicle allocation system according to claim 1, wherein the position detection processing means uses a GPS satellite to notify the position of the vehicle, or a radio beacon, an optical beacon, or a radio wave to determine the position of the vehicle. A vehicle allocation system using VICS for notification. 3. The vehicle dispatching system according to claim 1, wherein the management device uses one of a wireless LAN, an Internet line, a public telephone line, and a mobile telephone line to collect and deliver the information. A load preparation instruction is transmitted to each loading terminal device disposed in the vehicle and displayed.