Information and telecommunications system, vehicular device, center device, and method for controlling the system

• US 8,473,135 B2
• Filed: 02/07/2012
• Issued: 06/25/2013
• Est. Priority Date: 02/09/2011
• Status: Active Grant

• Current Assignee: DENSO Corporation
• Original Assignee: DENSO Corporation
• Inventors: Fujita, Teruhiko, Sekijima, Erika, Noro, Satoru, Sawada, Kiyohiko
• Primary Examiner(s): Trammell, James P
• Assistant Examiner(s): WONG, YUEN H
• Application Number:
  US13/367,547
• Publication Number:
  US 20120203409A1
• Time in Patent Office: 504 Days
• Field of Search: 701/22, 701/400, 320/109
• US Class Current: 701/22
• CPC Class Codes: B60L 2240/622 by satellite navigation
• CPC Class Codes: B60L 53/66 Data transfer between charging stations and vehicles
• CPC Class Codes: G01C 21/3469 Fuel consumption; Energy use; Emission aspects
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 10/72 Electric energy management in electromobility
• CPC Class Codes: Y02T 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles

Abstract

A vehicle-side storage unit of a vehicular device associates and stores an already-traveled route and power consumption when a self vehicle has traveled the already-traveled route, as traveling history data. A vehicle-side control unit of the vehicular device transmits the traveling history data to a center device. A center-side storage unit of the center device stores the traveling history data transmitted from multiple vehicles. A center-side control unit of the center device calculates a necessary electric power for traveling a first route in a guide route, based on the traveling history data of an other vehicle stored in the center-side storage unit, the first route being not overlapping with the already-traveled route of the self vehicle stored in the center-side storage unit.

Claims

1. An information and telecommunications system comprising:

a vehicular device including

a vehicle-side communication unit,

a vehicle-side storage unit configured to

associate an already-traveled route with a power consumption when a self vehicle has traveled the already-traveled route and

store the associated already-traveled route and the power consumption, as traveling history data, and

a vehicle-side control unit configured to transmit the traveling history data; and

a center device including

a center-side communication unit configured to implement communications with the vehicle-side communication unit,

a center-side storage unit configured to store the traveling history data transmitted from a plurality of vehicles each equipped with the vehicular device,

a center-side first determination unit configured to determine whether a first route, which is not overlapping with the already-traveled route of the self vehicle, is included in a guide route, which is to be traveled by the self vehicle,

a center-side second determination unit configured to determine, when the center-side first determination unit determines that the first route is included in the guide route, whether traveling history data of an other vehicle including the first route is stored in the center-side storage unit,

a center-side search unit configured to search, when the center-side second determination unit determines that the traveling history data of an other vehicle including the first route is stored in the center-side storage unit, the traveling history data including the first route from the traveling history data of the other vehicle, and

a center-side control unit configured to

calculate, when the center-side second determination unit determines that the traveling history data of the other vehicle including the first route is stored in the center-side storage unit, a necessary electric power quantity for traveling the first route based on the traveling history data of the other vehicle including the first route searched by the center-side search unit, and

calculate, when the center-side first determination unit determines that the first route is not included in the guide route, a necessary electric power quantity for traveling based on an electric power consumption of the self vehicle.

2. The information and telecommunications system according to claim 1, wherein

the vehicle-side control unit is further configured to transmit, to the center device, a destination, which is being set, and a departure point, when moving to the destination,

the center-side storage unit is further configured to store the departure point and the destination received from the self vehicle, and

the center-side control unit is further configured to calculate a necessary electric power quantity for traveling the first route in the guide route from the departure point to the destination of the self vehicle stored in the center-side storage unit, based on the traveling history data of an other vehicle stored in the center-side storage unit.

3. The information and telecommunications system according to claim 2, wherein

the center device further includes a center-side route searching unit having map information and configured to search for the guide route from the departure point to the destination,

the center-side storage unit is further configured to store the guide route searched by the center-side route searching unit, and

the center-side control unit is further configured to calculate a necessary electric power quantity for traveling the first route in the guide route for the self vehicle stored in the center-side storage unit, based on the traveling history data of an other vehicle stored in the center-side storage unit.

4. The information and telecommunications system according to claim 2, wherein

the vehicular device further includes a vehicle-side route searching unit having map information and configured to search for the guide route from the departure point to the destination,

the vehicle-side control unit is further configured to transmit the guide route searched by the vehicle-side route searching unit to the center device,

the center-side storage unit is further configured to store the guide route transmitted from the self vehicle, and

the center-side control unit is further configured to calculate a necessary electric power quantity for traveling the first route in the guide route for the self vehicle stored in the center-side storage unit, based on the traveling history data of an other vehicle stored in the center-side storage unit.

5. The information and telecommunications system according to claim 1, wherein the center-side control unit is configured to calculate a necessary electric power quantity for traveling a second route, based on power consumption of the self vehicle for the already-traveled route, the second route being included in the guide route for the self vehicle and is overlapping with the already-traveled route of the self vehicle stored in the center-side storage unit.

6. The information and telecommunications system according to claim 5, wherein the center-side control unit is further configured to calculate a necessary electric power quantity for traveling a third route of the first route, based on the power consumption of an other vehicle for the third route, the third route being overlapping with the already-traveled route by an other vehicle, which has identical or similar vehicle type information to the self vehicle.

7. The information and telecommunications system according to claim 5, wherein

the center-side route searching unit includes map information having traveling environment data representing the traveling environment of a route, and

the center-side control unit is further configured to calculate a necessary electric power quantity for traveling a fourth route of the first route, based on the electric power consumption characteristics of the self vehicle and the traveling environment data of the fourth route, the fourth route being not overlapping with the already-traveled route by an other vehicle, which has identical or similar vehicle type information to the self vehicle.

8. The information and telecommunications system according to claim 7, wherein the traveling environment data includes at least one of a position of a signal, a number of signals, a position of a crossing, a number of crossings, a position of a stop, a number of stops, a road geometry, and a degree of congestion.

9. The information and telecommunications system according to claim 5, wherein

the center-side route searching unit includes map information having traveling environment data representing the traveling environment for a route, and

the center-side control unit is further configured to calculate a necessary electric power quantity for traveling a fourth route of the first route, based on the electric power consumption in a predetermined route of the self vehicle and the traveling environment data of the fourth route, the fourth route being not overlapping with the route traveled by an other vehicle, which has identical or similar vehicle type information to the self vehicle.

10. The information and telecommunications system according to claim 1, wherein

the vehicle-side control unit is further configured to transmit vehicle type information, which represents a classification of the self vehicle, to the center device,

the center-side storage unit is further configured to store the vehicle type information transmitted from a plurality of vehicles each equipped with the vehicular device, and

the center-side control unit is further configured to calculate the necessary electric power quantity, based on traveling history data of an other vehicle, which has identical or similar vehicle type information to the self vehicle.

11. The information and telecommunications system according to claim 10, wherein

the vehicular device further includes a driving characteristics data detection unit configured to detect data related to driver'"'"'s driving characteristics,

the vehicle-side control unit is further configured to transmit the driving characteristics data to the center device,

the center-side storage unit is further configured to store the driving characteristics data transmitted from a plurality of vehicles each equipped with the vehicular device, and

the center-side control unit is further configured to

determine relative electric power consumption characteristics based on driving characteristics data of a vehicle, which has identical or similar vehicle type information, among the driving characteristics data stored in the center-side storage unit and

calculate the necessary electric power quantity, based on the power consumption of an other vehicle, which has electric power consumption characteristics close to the electric power consumption characteristics of the self vehicle, among other vehicles, which have identical or similar vehicle type information to the self vehicle.

12. The information and telecommunications system according to claim 10, wherein

the vehicular device further includes a driving characteristics data detection unit configured to detect data related to driver'"'"'s driving characteristics,

the vehicle-side control unit is further configured to transmit the driving characteristics data to the center device,

the center-side storage unit is further configured to store the driving characteristics data transmitted from a plurality of vehicles each equipped with the vehicular device, and

the center-side control unit is further configured to

determine relative electric power consumption characteristics based on driving characteristics data of a vehicle, which has identical or similar vehicle type information, among the driving characteristics data stored in the center-side storage unit and

correct the power consumption of an other vehicle and calculate the necessary electric power quantity, based on the relation of the electric power consumption characteristics of the self vehicle and an other vehicle, which have identical or similar vehicle type information with each other.

13. The information and telecommunications system according to claim 1, wherein

the vehicle-side storage unit is further configured to

associate the already-traveled route of the self vehicle with a traveling time of day when the self vehicle has traveled the route and

store the associated already-traveled route and the traveling time of day, as the traveling history data,

the vehicle-side control unit is further configured to transmit, to the center device, the traveling history data, which includes the traveling time of day, and schedule information representing a time of day at an arbitrary point from the departure point to the destination,

the center-side storage unit is further configured to store the traveling history data, which are transmitted from a plurality of vehicles each equipped with the vehicular device, and the schedule information, which are transmitted from the self vehicle, and

the center-side control unit is further configured to calculate the necessary electric power quantity, based on the traveling history data, which satisfies that the traveling time of day of an other vehicle and the schedule information of the self vehicle are in a predetermined time difference, among the traveling history data of an other vehicles stored in the center-side storage unit.

14. The information and telecommunications system according to claim 1, wherein

the vehicular device further includes an electricity storage quantity detection unit configured to detect an electricity storage quantity of the self vehicle,

the vehicle-side control unit is further configured to transmit the electricity storage quantity detected by the electricity storage quantity detection unit to the center device,

the center-side storage unit is further configured to store the electricity storage quantity transmitted from the self vehicle, and

the center-side control unit is further configured to calculate an excess/deficit of electric power quantity of the self vehicle, based on the necessary electric power quantity of the self vehicle and the electricity storage quantity of the self vehicle stored in the center-side storage unit.

15. The information and telecommunications system according to claim 14, wherein

the center-side storage unit is further configured to store the excess/deficit of electric power quantity of a vehicle calculated by the center-side control unit based on the guide route, and

the center-side control unit is further configured to,

when the excess/deficit of electric power quantity of the self vehicle stored in the center-side storage unit is a deficit,

search for an other vehicle, of which the excess/deficit of electric power quantity stored in the center-side storage unit is an excessive, and of which a guide route overlaps with the guide route of the self vehicle or exists within a prescribed distance enabling electric power transmission/reception.

16. The information and telecommunications system according to claim 15, wherein the center-side control unit is further configured to search for a plurality of other vehicles so as to make a summation of the excessive electric power quantity of an other vehicles equal to or more than the deficit of electric power quantity of the self vehicle.

17. The information and telecommunications system according to claim 15, wherein

the vehicular device further includes an informing unit and an input unit,

the center-side control unit is further configured to transmit, to the other vehicle being searched for, electric power transmission information related to the electric power transmission from the other vehicle to the self vehicle,

the vehicle-side control unit of the other vehicle is configured to

inform a user of the vehicular device, by using the informing unit, of the electric power transmission information transmitted from the center device and

transmit, to the center device, information about acceptance/rejection of the electric power transmission, which the user has inputted by using the input unit,

the center-side control unit is further configured to,

when the information about acceptance/rejection of the electric power transmission transmitted from the other vehicle is acceptance,

transmit, to the self vehicle, power receiving information related to power receiving from the other vehicle to the self vehicle, and

the vehicle-side control unit of the self vehicle is further configured to inform a user, by using the informing unit, of the power receiving information transmitted from the center device.

18. The information and telecommunications system according to claim 14, further comprising:

a household terminal unit including

a home-side communication unit located in a home and configured to communicate with the center device, and

a home-side power transmission/reception unit located in the home and configured to supply electric power to a vehicle, wherein

the center-side storage unit is further configured to store a quantity of electric power supply in the household terminal unit transmitted by the home-side communication unit,

the center-side control unit is further configured to calculate the excess/deficit of electric power quantity of the self vehicle, based on the guide route, and

the center-side control unit is further configured to,

when the excess/deficit of electric power quantity of the self vehicle is a deficit,

search for an electric supply candidate home installed with the household terminal unit, of which the quantity of electric power supply stored in the center-side storage unit indicates capability of electric power supply to the self vehicle, and which is overlapping with the guide route of the self vehicle, or within the prescribed distance enabling the electric power transmission/reception.

19. The information and telecommunications system according to claim 18, wherein the center-side control unit is further configured to search for a plurality of the electric supply candidate homes each being installed with the household terminal unit so as to make a summation of the quantity of electric power supply from the household terminal unit equal to or more than the deficit of electric power quantity of the self vehicle.

20. The information and telecommunications system according to claim 18, wherein

the vehicular device further includes an informing unit,

the center-side control unit is further configured to transmit information, which is related to the electric power supply to the self vehicle, to the household terminal unit installed in the electric supply candidate home,

the household terminal unit is further configured to

inform the information, which is related to the electric power supply transmitted from the center device, to a resident of the home, in which the household terminal unit is installed and

transmit, to the center device, information about the acceptance/rejection of electric power supply from the resident,

the center-side control unit is further configured to,

when the information about acceptance/rejection of electric power supply transmitted from the household terminal unit is acceptance,

transmit, to the self vehicle, information related to the electric supply candidate home, and

the vehicle-side control unit of the self vehicle is further configured to inform a user, by using the informing unit, of the information related to the electric supply candidate home transmitted from the center device.

21. The information and telecommunications system according to claim 18, wherein

the household terminal unit further includes

a home-side power generation unit configured to generate electricity in the home, and

a home-side power storage unit configured to store the electric power generated by the home-side power generation unit,

the household terminal unit is further configured to transmit, to the center device, surplus electric power stored in the home-side power storage unit, as the quantity of electric power supply, and

the center-side control unit is further configured to search for the home equipped with the home-side power generation unit and the home-side power storage unit, as the electric supply candidate home.

22. The information and telecommunications system according to claim 18, wherein

the center-side storage unit is further configured to store a history of the quantity of electric power supply in the past in the household terminal unit, transmitted from the home-side communication unit, and

the center-side control unit is further configured to

calculate a predicted value of a surplus electric power at an expected arrival time of day when the vehicle, of which the excess/deficit of electric power quantity is a deficit, is expected to reach an electric supply candidate home, based on the history of the quantity of electric power supply in the past stored in the center-side storage unit and

search for the electric supply candidate home, based on the predicted value.

23. The information and telecommunications system according to claim 22, wherein

the center-side storage unit is further configured to

associate the history of the quantity of electric power supply in the past with the environmental information related to the environment of a home installed with the household terminal unit and

store the associated history of the quantity and the environmental information, and

the center-side control unit is further configured to search for the electric supply candidate home, based on the history of the quantity of electric power supply in the past and the environmental information.

24. The information and telecommunications system according to claim 1, wherein

the vehicular device further includes an electricity storage quantity detection unit configured to detect an electricity storage quantity of the self vehicle, and

the vehicle-side control unit is further configured to calculate an excess/deficit of electric power quantity of the self vehicle, based on the necessary electric power quantity transmitted from the center device, and the electricity storage quantity detected by the electricity storage quantity detection unit.

25. The information and telecommunications system according to claim 24, wherein

the vehicle-side control unit is further configured to transmit the excess/deficit of electric power quantity to the center device,

the center-side storage unit is further configured to store the excess/deficit of electric power quantity transmitted from a plurality of vehicles each equipped with the vehicular device, and

the center-side control unit is further configured to,

when the excess/deficit of electric power quantity of the self vehicle stored in the center-side storage unit is a deficit,

search for an other vehicle, of which the excess/deficit of electric power quantity stored in the center-side storage unit is an excessive, and of which a guide route overlaps with the guide route of the self vehicle or exists within a prescribed distance enabling electric power transmission/reception.

26. A center device comprising:

a center-side receiving unit configured to receive, from a plurality of vehicles, traveling history data including an already-traveled route, which is traveled by a vehicle, associated with power consumption when the vehicle has traveled the already-traveled route;

a center-side storage unit configured to store the traveling history data received by using the center-side receiving unit;

a center-side first determination unit configured to determine whether a first route, which is not overlapping with the already-traveled route of a predetermined vehicle, is included in a guide route, which is to be traveled by the predetermined vehicle,

a center-side second determination unit configured to determine, when the center-side first determination unit determines that the first route is included in the guide route, whether traveling history data of an other vehicle including the first route is stored in the center-side storage unit,

a center-side search unit configured to search, when the center-side second determination unit determines that the traveling history data of an other vehicle including the first route is stored in the center-side storage unit, the traveling history data including the first route from the traveling history data of the other vehicle, and

a center-side control unit configured to

calculate, when the center-side second determination unit determines that the traveling history data of the other vehicle including the first route is stored in the center-side storage unit, a necessary electric power quantity for traveling the first route based on the traveling history data of the other vehicle including the first route searched by the center-side search unit, and

calculate, when the center-side first determination unit determines that the first route is not included in the guide route, a necessary electric power quantity for traveling based on an electric power consumption of the predetermined vehicle.

27. A method for controlling an information and telecommunications system including a vehicular device and a center device respectively equipped with communication units for communicating with each other, the method comprising:

causing a vehicle-side storage unit of the vehicular device to associate an already-traveled route with a power consumption when a self vehicle has traveled the already-traveled route and to store the associated already-traveled route and the power consumption, as traveling history data;

causing a vehicle-side control unit of the vehicular device to transmit the traveling history data;

causing a center-side storage unit of the center device to store the traveling history data transmitted from a plurality of vehicles each equipped with the vehicular device; and

causing a center-side control unit of the center device to;

determine whether a first route, which is not overlapping with the already-traveled route of the self vehicle, is included in a guide route, which is to be traveled by the self vehicle,

determine, on determination that the first route is included in the guide route, whether traveling history data of an other vehicle including the first route is stored in the center-side storage unit;

search, on determination that the traveling history data of an other vehicle including the first route is stored in the center-side storage unit, the traveling history data including the first route from the traveling history data of an other vehicle;

calculate, on determination that the traveling history data of an other vehicle including the first route is stored in the center-side storage unit, a necessary electric power quantity for traveling the first route based on the traveling history data of an other vehicle including the first route searched by the center-side search unit; and

calculate, on determination that the first route is not included in the guide route, a necessary electric power quantity for traveling based on an electric power consumption of the self vehicle.

28. A non-transitory computer readable medium comprising instructions executed by a computer, the instructions including the method for controlling an information and telecommunications system including a vehicular device and a center device respectively equipped with communication units for communicating with each other, the instructions for:

causing a vehicle-side storage unit of the vehicular device to associate an already-traveled route with a power consumption when a self vehicle has traveled the already-traveled route and to store the associated already-traveled route and the power consumption, as traveling history data;

causing a vehicle-side control unit of the vehicular device to transmit the traveling history data;

causing a center-side storage unit of the center device to store the traveling history data transmitted from a plurality of vehicles each equipped with the vehicular device; and

causing a center-side control unit of the center device to;

determine whether a first route, which is not overlapping with the already-traveled route of the self vehicle, is included in a guide route, which is to be traveled by the self vehicle,

determine, on determination that the first route is included in the guide route, whether traveling history data of an other vehicle including the first route is stored in the center-side storage unit;

search, on determination that the traveling history data of an other vehicle including the first route is stored in the center-side storage unit, the traveling history data including the first route from the traveling history data of an other vehicle;

calculate, on determination that the traveling history data of an other vehicle including the first route is stored in the center-side storage unit, a necessary electric power quantity for traveling the first route based on the traveling history data of an other vehicle including the first route searched by the center-side search unit; and

calculate, on determination that the first route is not included in the guide route, a necessary electric power quantity for traveling based on an electric power consumption of the self vehicle.