Vehicle, power supply system including same, and power supply plan creation method

Abstract

To increase the accuracy of a scheduled charge amount at arrival at a destination, regarding a vehicle which can be charged while traveling.SOLUTION: A vehicle 100 can be charged while traveling using electric power from a power transmitting device 200 located on a road. The vehicle comprises a power receiving device 130, a battery 150 which is chargeable with electric power received by the power receiving device, a communication device 120, and an ECU 110. The power receiving device is capable of contactlessly receiving the electric power supplied from the power transmitting device. The communication device is capable of receiving information regarding the power transmitting device on a travel route to a destination and weather information. The ECU is capable of creating a power feeding plan for the battery using electric power from the power transmitting device located on the travel route to the destination. The ECU acquires, from the weather information, information related to the strength of a wind at a position where the power transmitting device is located, predicts the amount of electric power receivable from the power transmitting device in accordance with the strength of a wind, and creates the power feeding plan.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present disclosure relates to a vehicle, a power supply system including the vehicle, and a power supply plan creation method, and more particularly to a technique for creating a power supply plan for a vehicle that can be charged wirelessly using external power while traveling. [Background technology]

[0002] Known charging methods for batteries mounted on vehicles that run on electricity, such as hybrid cars or electric cars, include plug-in charging, contactless charging, solar charging, etc. JP 2016-140193 A (Patent Document 1) discloses a configuration for a vehicle capable of charging the battery using multiple charging methods, in which a charging schedule for each charging method is determined taking into account information related to electricity rates and weather information. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2016-140193 A Summary of the Invention [Problem to be solved by the invention]

[0004] In recent years, in addition to "parked power supply," which supplies power to vehicles that are parked, "in-motion power supply," which supplies power from a power transmission device installed on the road while the vehicle is moving, has been considered as a contactless power supply method.

[0005] In the contactless power transfer method, the misalignment between the power transmission coil on the power transmission device and the power receiving coil mounted on the vehicle affects the power receiving efficiency. Here, when the vehicle is traveling and the vehicle body is subjected to a crosswind, the wind may cause the traveling position to shift sideways from the traveling direction. If this happens, the charging amount during the traveling will be less than expected, and the planned charging amount may not be secured when the vehicle arrives at the destination.

[0006] The present disclosure has been made to solve such problems, and its purpose is to improve the accuracy of the planned charging amount upon arrival at a destination for a vehicle capable of being powered while traveling. [Means for solving the problem]

[0007] A vehicle according to a first aspect of the present disclosure is capable of being charged while traveling using power from a power transmission device arranged on a road. The vehicle includes a power receiving device, a battery capable of being charged with power received by the power receiving device, a communication device, and a control device. The power receiving device can contactlessly receive power supplied from the power transmission device. The communication device can receive information on the power transmission device and weather information on a travel route to a destination. The control device can create a power supply plan for the battery using power from a power transmission device arranged on a travel route to the destination. The control device acquires information related to wind strength at a position where the power transmission device is arranged from weather information, and creates a power supply plan by predicting an amount of power that can be received from the power transmission device according to the wind strength.

[0008] In one embodiment, when creating a power supply plan, the control device reduces the amount of power that can be received from the power transmitting device when the wind is strong, compared to when the wind is weak.

[0009] With this configuration, in a vehicle capable of receiving power while traveling, a power supply plan is created taking into consideration the decrease in power receiving efficiency according to the wind strength at the location where the power transmitting device is installed. Therefore, the difference between the predicted charge amount and the actual charge amount upon arrival at the destination can be reduced, and the accuracy of the predicted charge amount can be improved.

[0010] In one embodiment, the control device further obtains information about wind direction from the weather information and creates a power supply plan taking the wind direction into account.

[0011] In one embodiment, the control device creates a power supply plan by predicting the amount of power that can be received from a power transmission device based on the angle between the wind direction and the traveling direction of the vehicle at a position where the power transmission device is installed.

[0012] In one embodiment, when the wind is blowing strongly from the side of the vehicle, the control device reduces the amount of power that can be received from the power transmitting device, compared to when the wind is weak.

[0013] With this configuration, the power supply plan is created taking into account the wind direction as well as the wind strength, which improves the accuracy of the predicted amount of charge upon arrival at the destination.

[0014] In one embodiment, when the control device predicts that the power received from the power transmission device will not be enough to raise the battery's state of charge to a reference value or higher, the control device creates a power supply plan to charge the battery after arriving at the destination to make up for the shortfall.

[0015] With this configuration, it is possible to create a power supply plan that uses power supply while the vehicle is stopped in addition to power supply while the vehicle is moving.

[0016] In one embodiment, the control device updates the power supply plan using the state of charge of the battery and the state of power received from the power transmitting device while traveling to the destination.

[0017] With this configuration, even if a difference occurs between the initial power supply plan and the actual power receiving state during driving, the power supply plan can be adapted to the actual state, thereby improving the accuracy of the predicted charging amount upon arrival at the destination.

[0018] A power supply system according to a second aspect of the present disclosure includes a vehicle and a server configured to be able to communicate with the vehicle. The vehicle can be charged using power from a power transmission device arranged on a road while traveling. The vehicle includes a power receiving device that receives power supplied from the power transmission device in a non-contact manner, a battery that can be charged with the power received by the power receiving device, and a communication device. The communication device can receive information on the power transmission device and weather information on a travel route to a destination from the server. The control device can create a power supply plan for the battery using power from the power transmission device arranged on the travel route to the destination. The control device obtains information related to wind strength at a position where the power transmission device is arranged from the weather information, and creates a power supply plan by predicting an amount of power that can be received from the power transmission device according to the wind strength.

[0019] A method according to a third aspect of the present disclosure relates to a method for creating a power supply plan for a vehicle capable of charging an on-board battery using power from a power transmission device disposed on a road while traveling. The method includes the steps of (a) acquiring information on the power transmission device and weather information along a travel route to a destination, (b) acquiring information related to wind strength at a position where the power transmission device is disposed from the weather information, and (c) predicting an amount of power that can be received from the power transmission device according to the wind strength and creating a power supply plan.

[0020] With this configuration, in a vehicle capable of receiving power while traveling, a power supply plan is created taking into consideration the decrease in power receiving efficiency according to the wind strength at the location where the power transmitting device is installed, thereby improving the accuracy of the predicted amount of charge upon arrival at the destination. Effect of the Invention

[0021] In the vehicle according to the present disclosure, in a vehicle capable of receiving power while traveling, a power supply plan is created taking into consideration the decrease in power receiving efficiency according to the wind strength at the location where the power transmitting device is installed. Therefore, the difference between the predicted charge amount and the actual charge amount at the time of arrival at the destination can be reduced, and the accuracy of the predicted charge amount can be improved. [Brief description of the drawings]

[0022] [Figure 1] 1 is an overall schematic diagram of a power supply system according to an embodiment of the present invention; [Diagram 2] FIG. 2 is a functional block diagram for explaining details of the vehicle and the power supply facility in FIG. [Diagram 3] FIG. 2 is a diagram for explaining an overview of a method for creating a power supply plan executed in the vehicle of FIG. [Figure 4] FIG. 1 is a first diagram for explaining a positional deviation between a power transmitting device and a vehicle caused by the influence of wind. [Diagram 5] FIG. 2 is a second diagram for explaining a positional deviation between the power transmitting device and the vehicle caused by the influence of wind. [Figure 6] 5 is a flowchart for explaining control executed in the power supply plan creation system according to the present embodiment. [Figure 7] 7 is a detailed flowchart of step S130 in FIG. 6. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0023] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the drawings. In the drawings, the same or corresponding parts are designated by the same reference characters and their description will not be repeated.

[0024] [System Overview] FIG. 1 is an overall schematic diagram of a power supply system 10 including a vehicle 100 according to the present embodiment. Referring to FIG. 1, the power supply system 10 includes the vehicle 100 and a server 300. The vehicle 100 and the server 300 are configured to be able to communicate with each other via a communication network 400 such as the Internet. The communication between the vehicle 100 and the communication network 400 is performed wirelessly. The communication between the server 300 and the communication network 400 may be wired or wireless. The vehicle 100 is configured to be able to receive power contactlessly from a power transmitting device 200 arranged externally.

[0025] When the server 300 receives destination information from the vehicle 100, the server 300 uses map information to search for a driving route from the current position of the vehicle 100 to the destination, and transmits the route information to the vehicle 100. In the vehicle 100, one of the driving routes presented by the server 300 is selected by the user. As the vehicle 100 travels, the server 300 provides guidance on the driving route selected by the user.

[0026] The route information includes information on the power transmission devices 200 arranged on each travel route. The vehicle 100 calculates the received power from the power transmission devices 200 arranged on the selected travel route, and creates a power supply plan for the vehicle 100 during travel and after arriving at the destination.

[0027] The server 300 includes a processor 310, a storage device 320, and a communication device 330. The storage device 320 includes a memory 321, a map database (DB) 322, a power transmitting device database 323, and a weather database 324. The processor 310, the memory 321, the map database 322, the power transmitting device database 323, the weather database 324, and the communication device 330 are connected to each other by a common bus 340, and are configured to be able to send and receive information to and from each other.

[0028] The processor 310 is, for example, a CPU (Central Processing Unit) and is configured to execute a predetermined arithmetic processing described in a program. The memory 321 includes a ROM (Read Only Memory) and a RAM (Random Access Memory). The ROM stores the program executed by the processor 310. The RAM temporarily stores data generated by the execution of the program in the processor 310 and data input via the communication device 330. The RAM also functions as a temporary data memory used as a working area.

[0029] The communication device 330 is a communication interface for transmitting and receiving data to and from the vehicle 100 via the communication network 400. As described above, communication between the server 300 and the communication network 400 is performed by wire or wirelessly.

[0030] Map database 322 stores map information including road information. When processor 310 receives information on the current position and destination transmitted from vehicle 100, processor 310 refers to the map information contained in map database 322 and searches for candidates for a driving route from the current position to the destination.

[0031] The power transmission device database 323 stores information about the power transmission devices 200 arranged on roads. The information about the power transmission devices 200 includes position information and specification information about the power transmission devices 200. In searching for candidates for the selected travel route, the processor 310 acquires information about the power transmission devices 200 arranged on each travel route from the power transmission device database 323.

[0032] The weather database 324 stores weather information for the position on the travel route where the power transmitting device 200 is located. The information in the weather database 324 is information that can be obtained from the Japan Meteorological Agency or other weather forecast services.

[0033] [Vehicle and power transmission device configuration] Next, detailed configurations of vehicle 100 and power transmitting device 200 will be described with reference to Fig. 2. First, the configuration of vehicle 100 will be described with reference to Fig. 2. Vehicle 100 includes ECU (Electronic Control unit) 110, which is a control device, communication device 120, power receiving coil 130, charging device 140, power storage device (battery) 150, PCU (Power Control Unit) 160, which is a drive device, motor generator (MG) 165, and navigation device 170.

[0034] The power receiving coil 130 is disposed on the lower surface of a floor panel that forms the bottom surface of the vehicle 100. The power receiving coil 130 receives the power transmitted from the power transmitting device 200 in a non-contact manner. The power received by the power receiving coil 130 is output to the charging device 140.

[0035] The charging device 140 includes, for example, an AC / DC converter or a rectifier. The charging device 140 is controlled by the ECU 110, and converts the AC power received by the power receiving coil 130 into DC power suitable for charging the battery 150, to charge the battery 150. The battery 150 is an assembled battery including a plurality of cells, and each cell included in the battery 150 is a secondary battery such as a lithium ion battery or a nickel metal hydride battery.

[0036] The PCU 160 includes, for example, a DC / DC converter and an inverter. The PCU 160 converts DC power from the battery 150 into AC power to drive the MG 165. The MG 165 is a rotating electric machine that is driven by the AC power from the PCU 160 and applies a drive torque to the drive wheels 166 to make the vehicle 100 run.

[0037] The communication device 120 is a communication interface for transmitting and receiving signals with the server 300 via the communication network 400. The communication device 120 is also configured to be able to communicate with the communication device 260 of the power transmitting device 200. The communication between the communication device 120 and the communication network 400 and between the communication device 120 and the power transmitting device 200 is performed wirelessly.

[0038] The navigation device 170 includes a touch panel (not shown) and presents and guides the user to a destination specified by the user. The navigation device 170 transmits destination information input by the user to the server 300 via the communication device 120. The navigation device 170 receives candidate information of driving routes to the destination searched for by the server 300 and displays the candidate information on the touch panel. When the user selects a desired driving route from the displayed candidates, the navigation device 170 guides the user based on the selected driving route.

[0039] Next, the configuration of the power transmission device 200 will be described. The power transmission device 200 includes a power transmission unit 210, a power supply device 220, a control device 250, and a communication device 260. The power transmission unit 210 includes a plurality of power transmission coils 210A-210E. Note that, in FIG. 2, an example is shown in which the power transmission device 200 includes five power transmission coils 210A-210E arranged in a row on the road surface, but the number of power transmission coils is not limited to this, and may be four or less, or six or more. The power transmission coils may be arranged in a plurality of rows along the road surface.

[0040] The control device 250 includes a CPU and a memory, neither of which are shown, and performs overall control of other devices in the power transmitting device 200. Specifically, the control device 250 selects the power transmitting coils to be used for power transmission, based on information received from the vehicle 100 via the communication device 260, and determines the power to be supplied to each power transmitting coil.

[0041] The communication device 260 is a communication interface for wirelessly communicating with the vehicle 100. The control device 250 transmits and receives, via the communication device 260, vehicle position information, information on the specifications of the power receiving device, information on the SOC (State of Charge) of the battery 150, billing information, and the like.

[0042] The power transmission coils 210A-210E are connected to the power supply device 220. The power supply device 220 is connected to an AC power source 230 arranged outside the power transmission device 200. The power supply device 220 converts the AC power received from the AC power source 230 into AC power of a predetermined frequency in accordance with a command from the control device 250, and outputs the AC power to the power transmission coils 210A-210E. At this time, the control device 250 supplies the AC power from the AC power source 230 to the power transmission coils, among the power transmission coils 210A-210E, above which the power reception coil 130 of the vehicle 100 is located, based on the position of the vehicle 100.

[0043] More specifically, for example, when the power receiving coil 130 is positioned above the power transmitting coil 210B in an opposing manner, the control device 250 supplies AC power from the power feeding device 220 to the power transmitting coil 210B. An electromagnetic field is formed around the power transmitting coil 210B by an AC current flowing through the power transmitting coil 210B. The power receiving coil 130 on the vehicle 100 side receives power from the power transmitting coil 210B in a non-contact manner through the electromagnetic field formed by the power transmitting coil 210B.

[0044] Then, when the power receiving coil 130 is removed from above the power transmitting coil 210B, the control device 250 controls the power feeding device 220 to stop the supply of AC power to the power transmitting coil 210B. This series of controls is sequentially performed for each of the power transmitting coils 210A-210E, so that power can be transmitted contactlessly to the traveling vehicle 100. Naturally, even when the vehicle 100 is stopped on the power transmitting device 200, power can be transmitted contactlessly from the power transmitting device 200 to the vehicle 100. The power transmitting coils 210A-210E may be disposed on the road surface of a travel lane, or may be disposed at a position where the vehicle stops at an intersection while waiting for a traffic light to turn on.

[0045] The control device 250 determines whether or not a power receiving coil is located above each power transmitting coil based on a sensor (not shown) provided in the power transmitting device 200 and / or vehicle position data transmitted from the vehicle 100.

[0046] In this way, when the power transmitting device 200 is placed on a road on which the vehicle travels, it is possible to perform "power supply while traveling" in which power is supplied while the vehicle 100 is traveling. Also, when the power transmitting device 200 is placed in a parking space of a parking lot, it is possible to perform "power supply while the vehicle is stopped" in which power is supplied while the vehicle is stopped.

[0047] [Creating a power supply plan] When the user selects a driving route to a specified destination from among the candidates proposed by the server 300, the ECU 110 creates a power supply plan for the battery 150 along the route from the current location to the destination based on information about the power transmission devices 200 arranged along the selected driving route and the current SOC of the battery 150. More specifically, the ECU 110 predicts the amount of power received by power supply during driving using the power transmission devices arranged along the driving route and the amount of power received by power supply while the vehicle is stopped at the destination, and creates a power supply plan so that the battery 150 is fully charged.

[0048] 3 is a diagram for explaining an outline of a method for creating a power supply plan executed by ECU 110. In FIG. 3, a case is considered in which power transmission devices 200-1 to 200-N are arranged at N locations on a travel route from a current location 500 to a destination 510. Here, the amount of power supplied by power supply during travel in each power transmission device is expressed as W i (i = 1 to N), and the amount of power supplied by the vehicle while stopped at the destination is W dist In this case, the total power supply W total can be expressed as the following equation (1).

[0049]

number

[0050] In addition, when the insufficient SOC is met by power supply while driving, the amount of power supplied by power supply while stopped W dist will be zero.

[0051] Here, the power that can be supplied from the power transmission coil of each power transmission device is P i (i=1 to N), and the time it takes for the vehicle 100 to pass the power transmission device is t i (i = 1 to N). Note that the passing time t i Regarding the distance L of the section in which the power transmission coils of each power transmission device are arranged, i (i=1 to N) and the standard vehicle speed Vi (i=1 to N) for the relevant section, t i =L i In this case, the amount of electric power W that the vehicle 100 can receive from the power transmitting device 200 is calculated as follows: i can ideally be expressed as the following equation (2).

[0052] W i =P i t i …(2) However, in actual driving, the positional relationship between the power transmitting coil and the power receiving coil is not necessarily ideal, and the power receiving efficiency may decrease and become lower than the amount of power in the above formula (2). For example, as shown in Fig. 4, when vehicle 100 is blown by a strong wind from the side (the direction of arrow AR1 in Fig. 4) while vehicle 100 is driving, the driving position of vehicle 100 may be shifted in a direction perpendicular to the traveling direction (the direction of arrow AR2 in Fig. 4) due to the influence of the wind.

[0053] 5, when wind strikes vehicle 100 with a wind direction (arrow AR1) at an angle of θ with respect to the traveling direction of vehicle 100 (arrow AR3), a force of F·sinθ is applied to vehicle 100 in a direction perpendicular to the traveling direction (arrow AR2), where F is wind force (=wind speed). In other words, the amount of misalignment between the power transmitting coil and the power receiving coil changes depending on the direction and strength of the wind hitting vehicle 100, which can reduce the power receiving efficiency.

[0054] In this embodiment, a configuration is adopted that improves the accuracy of the planned charging amount upon arrival at the destination by predicting the amount of power supplied from the power transmission device, taking into account the decrease in power receiving efficiency due to the influence of wind at the location where the power transmission device is located.

[0055] More specifically, as shown in FIG. 3, when the power transmitting device 200 has m power transmitting coils 210-1 to 210-m, parameters related to the wind direction and wind strength at the position of each power transmitting coil (θ j ,F j ) (j = 1 to m) are obtained, and based on these parameters, the power receiving efficiency degradation coefficient K j is calculated as shown in equation (3).

[0056]

number

[0057] And this reduction coefficient K j The amount of power W supplied from each power transmission device is calculated using the i is defined as equation (4).

[0058]

number

[0059] In addition, in equation (3), the parameter F related to wind strength j is expressed as a ratio to the reference maximum wind speed, for example, and C is an adjustment coefficient.

[0060] Thus, the reduction coefficient K j By using this, when the wind is strong, it is possible to predict that the amount of receivable power will be smaller than when the wind is weak. Also, even when the wind strength is the same, it is possible to predict that the amount of receivable power will be smaller the closer the wind direction is to a direction perpendicular to the vehicle's traveling direction (i.e., to the side). In other words, the larger the angle θ, the greater the impact on the reduction in power receiving efficiency. When the angle θ is close to zero, i.e., in the case of a headwind or tailwind, the rate of reduction in power receiving efficiency due to the influence of the wind is smaller.

[0061] In this way, by taking into account the effect of wind when predicting the amount of power to be supplied in a power transmission device arranged along the travel route, it is possible to improve the accuracy of the amount of power supplied by in-travel power supply.

[0062] The above-mentioned prediction formula for the amount of receivable power is merely an example, and the amount of power may be predicted using another prediction formula.

[0063] Fig. 6 is a flowchart for explaining details of the control executed by the vehicle 100 and the server 300 in the power supply system 10 according to this embodiment. The flowchart in Fig. 6 is called from a main routine and executed in the ECU 110 of the vehicle 100 and the processor 310 of the server 300 when a predetermined condition is satisfied. Each step in the flowchart is realized by software processing of the ECU 110 and the processor 310, but some or all of the steps may be realized by hardware such as an LSI (Large Scale Integration) included in the ECU 110 and the processor 310.

[0064] 6, in step (hereinafter, step is abbreviated as S) 100, ECU 110 of vehicle 100 acquires destination information input to navigation device 170 by a user's operation. Next, in S110, ECU 110 calculates the SOC based on information from sensors arranged in battery 150, and transmits vehicle information INFO including the destination and SOC to server 300 via communication network 400.

[0065] In S200, processor 310 of server 300 determines whether or not vehicle information INFO has been acquired from vehicle 100. If vehicle information INFO has not been acquired (NO in S200), the process returns to S200, and processor 310 waits for vehicle information INFO to be transmitted from vehicle 100.

[0066] When the vehicle information INFO is acquired (YES in S200), the process proceeds to S210, where the processor 310 searches for candidates for a driving route to the destination using the map database 322 and the power transmission device database 323. When the candidates for the driving route are determined, the processor 310 transmits, in S220, route information RTCD including route candidate information for the determined driving route and weather information at the position of the power transmission device on each driving route to the vehicle 100.

[0067] When the ECU 110 receives the route information RTCD from the server 300 (S120), it then creates a power supply plan for each of the searched candidate travel routes in S130, and displays it on the navigation device 170 together with the acquired candidate travel route information.

[0068] Next, in S140, ECU 110 accepts a user's operation to select a travel route. Then, in S150, ECU 110 transmits to server 300 selected route information RT regarding the selected travel route.

[0069] When the processor 310 receives the selected route information RT from the vehicle 100 (S230), in S240, the processor 310 edits information required for navigation (navigation information NVI) and transmits it to the vehicle 100. In S160, the ECU 110 starts guidance (navigation) to the destination using the navigation device 170 based on the navigation information acquired from the server 300.

[0070] 6, when the vehicle 100 reaches the power transmitting device 200 on the travel route, the processor 310 outputs a power supply command to the power transmitting device 200. Then, the ECU 110 operates the charging device 140 to charge the battery 150.

[0071] Fig. 7 is a detailed flowchart of the power supply plan creation process in step S130 in Fig. 6. Referring to Fig. 7, when receiving the route information RTCD from the server 300 in S120, the ECU 110 calculates in S131 the amount of power W supplied from each power transmission device by using the formula (4) as described in Fig. 3 based on the position information of each power transmission device included in the route information RTCD and the information on the wind at the position. i Then, in step S132, the ECU 110 estimates the calculated amount of electric power W i The total amount of power supplied by the power supply during travel is calculated by adding the above.

[0072] Then, in S133, ECU 110 determines whether or not a SOC equal to or greater than a reference value will be achieved when the vehicle arrives at the destination, based on the amount of power obtained by power supply during travel and the amount of power consumed until the vehicle arrives at the destination. Here, an SOC equal to or greater than a reference value is an SOC close to full charge.

[0073] If the SOC is predicted to be less than the reference value when the vehicle arrives at the destination (NO in S133), the ECU 110 proceeds to S134 to calculate the amount of power to be supplied by power supply during the vehicle stop after the vehicle arrives at the destination. Then, the ECU 110 displays the created power supply plan on the navigation device 170 in S135.

[0074] On the other hand, if it is predicted that the SOC will be equal to or greater than the reference value when the vehicle arrives at the destination (YES in S133), the ECU 110 skips S134 and advances the process to S135, where it displays the created power supply plan on the navigation device 170.

[0075] When the display of the power supply plan in S135 is completed, the ECU 110 executes the above-mentioned processing from S140 onwards.

[0076] As described above, in a vehicle capable of receiving power while traveling, a power supply plan can be created taking into consideration the decrease in power receiving efficiency according to the wind conditions (wind direction, wind speed) at the location where the power transmitting device is installed. Therefore, the difference between the predicted charge amount and the actual charge amount upon arrival at the destination can be reduced, and the accuracy of the predicted charge amount can be improved.

[0077] In the above description, the power supply plan is created before starting to travel to the destination, but even after starting to travel, the power supply plan may be updated successively based on the SOC of the battery 150 and the power receiving state up to that point, at predetermined time intervals or whenever a predetermined condition is satisfied. In this way, by correcting the power supply plan based on the power receiving record while traveling, the accuracy of the predicted charge amount can be further improved.

[0078] In addition, when a plurality of vehicles travel in a convoy on a travel route, it is preferable to create a power supply plan on the premise that the vehicle traveling at the front of the convoy is more affected by wind than the following vehicles and therefore consumes more power than the following vehicles. Conversely, it is preferable to create a power supply plan on the premise that the following vehicles when traveling in a convoy consume less power than the leading vehicle.

[0079] In the above embodiment, the power supply plan is created on the vehicle side. However, the power supply plan may be created on the server side.

[0080] The embodiments disclosed herein should be considered to be illustrative and not restrictive in all respects. The scope of the present disclosure is defined by the claims, not by the description of the embodiments described above, and is intended to include all modifications within the meaning and scope of the claims. [Explanation of symbols]

[0081] 10 power supply system, 100 vehicle, 110 ECU, 120, 260, 330 communication device, 130 power receiving coil, 140 charging device, 150 battery, 166 drive wheel, 170 navigation device, 200, 200-1 to 200-N power transmission device, 210 power transmission unit, 210-1 to 210-m, 210A to 210E power transmission coil, 220 power supply device, 230 AC power source, 250 control device, 300 server, 310 processor, 320 storage device, 321 memory, 322 map database, 323 power transmission device database, 324 weather database, 340 bus, 400 communication network, 500 current location, 510 destination.

Claims

1. A vehicle that can be charged using power from a power transmission device installed on a road while traveling, a power receiving device that receives power supplied from the power transmitting device in a wireless manner; a battery capable of charging the power received by the power receiving device; a communication device capable of receiving information on the power transmission device and weather information along a travel route to a destination; a control device that creates a power supply plan for the battery using electric power from the power transmission device that is disposed on a travel route to the destination, The control device includes: acquiring information related to wind strength at a position where the power transmitting device is installed from the meteorological information; The vehicle predicts an amount of power that can be received from the power transmitting device in accordance with the wind strength, and creates the power supply plan.

2. The vehicle according to claim 1 , wherein, in creating the power supply plan, the control device reduces an amount of power that can be received from the power transmitting device when the wind is strong, compared to when the wind is weak.

3. The control device includes: Further obtaining information regarding wind direction from the meteorological information; The vehicle according to claim 1 or 2, wherein the power supply plan is created taking into account the wind direction.

4. 4. The vehicle according to claim 3, wherein the control device creates the power supply plan by predicting an amount of power that can be received from the power transmission device based on an angle between a traveling direction of the vehicle at a position where the power transmission device is installed and the wind direction.

5. The vehicle according to claim 4 , wherein the control device reduces the amount of electric power that can be received from the power transmitting device when the strength of the wind blowing from a side of the vehicle is strong, compared to when the strength of the wind is weak.

6. The vehicle according to any one of claims 1 to 5, wherein, when it is predicted that the charge state of the battery cannot be increased to a reference value or higher with the power received from the power transmission device, the control device creates the power supply plan so as to charge the battery with an insufficient amount of power after arriving at the destination.

7. The vehicle according to any one of claims 1 to 6, wherein the control device updates the power supply plan using a state of charge of the battery and a state of power received from the power transmission device while traveling to the destination.

8. A vehicle that can be charged using power from a power transmission device installed on a road while traveling; A server configured to be able to communicate with the vehicle, The vehicle is a power receiving device that receives power supplied from the power transmitting device in a wireless manner; a battery capable of charging the power received by the power receiving device; a communication device capable of receiving information on the power transmission device and weather information on a travel route to a destination from the server, a control device that creates a power supply plan for the battery using electric power from the power transmission device that is disposed on a travel route to the destination, The control device includes: acquiring information related to wind strength at a position where the power transmitting device is installed from the meteorological information; The power supply system predicts an amount of power that can be received from the power transmission device according to the wind strength, and creates the power supply plan.

9. A method for creating a power supply plan for a vehicle capable of charging an on-board battery using electric power from a power transmission device disposed on a road while the vehicle is traveling, the method comprising the steps of: acquiring, by the control device, information on the power transmission device and meteorological information on a travel route to a destination; acquiring, by the control device, information related to wind strength at a position where the power transmitting device is installed, from the meteorological information; and creating the power supply plan by the control device by predicting an amount of power that can be received from the power transmitting device according to the wind strength.

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