WO2022209241A1 - 充電管理方法、プログラム、及び充電管理システム - Google Patents
充電管理方法、プログラム、及び充電管理システム Download PDFInfo
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- WO2022209241A1 WO2022209241A1 PCT/JP2022/003382 JP2022003382W WO2022209241A1 WO 2022209241 A1 WO2022209241 A1 WO 2022209241A1 JP 2022003382 W JP2022003382 W JP 2022003382W WO 2022209241 A1 WO2022209241 A1 WO 2022209241A1
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Classifications
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Definitions
- the present disclosure relates to a charging management method, a program, and a charging management system for managing charging of a storage battery in a moving object driven by electricity as an energy source.
- Patent Document 1 relates to a rapid charging facility and charging facility system for electric vehicles that are linked to a power generation device such as a photovoltaic module or a charging and discharging device such as a stationary storage battery. Energy management of each device linked to the charging facility A method is disclosed.
- Patent Document 2 discloses a charging system for an electric vehicle that includes power transmission means and power reception means.
- the power transmission means includes a power transmission section that is installed below the ground surface and below the protection plate and that supplies power using an electromagnetic induction method.
- the power receiving means charges a storage battery for running via a power receiving section that receives power supplied from the power transmitting section by electromagnetic induction.
- An object of the present disclosure is to provide a charging management method, a program, and a charging management system that facilitate leveling of charging demand in one or more charging facilities.
- a charging management method includes an acquisition step, a prediction step, and a planning step.
- the obtaining step position information of a moving body driven by electricity as an energy source, battery information about the remaining capacity of a storage battery mounted on the moving body, and history information about the charging history of the storage battery are acquired.
- the prediction step charging demand for one or more charging facilities is predicted based on the location information, the battery information, and the history information acquired in the acquisition step.
- the planning step based on the charging demand predicted in the predicting step, a charging plan for charging the storage battery is determined so as to keep the charging demand below a predetermined value.
- a program according to one aspect of the present disclosure causes one or more processors to execute the charging management method.
- a charging management system includes an acquisition unit, a prediction unit, and a planning unit.
- the acquisition unit acquires position information of a moving body that is driven by electricity as an energy source, battery information about the remaining capacity of a storage battery mounted on the moving body, and history information about the charging history of the storage battery.
- the prediction unit predicts charging demand for one or more charging facilities based on the location information, the battery information, and the history information acquired by the acquisition unit.
- the planning unit determines a charging plan for charging the storage battery based on the charging demand predicted by the prediction unit so as to keep the charging demand below a predetermined value.
- the present disclosure has the advantage of facilitating leveling of charging demand at one or more charging facilities.
- FIG. 1 is a diagram showing an overview of a charging management system according to an embodiment.
- FIG. 2 is a block diagram showing the configuration of the charging management system according to the embodiment.
- FIG. 3 is a diagram showing a distribution example of a plurality of charging facilities.
- FIG. 4 is a diagram showing an example of charging demand predicted by the prediction unit of the charging management system according to the embodiment.
- FIG. 5 is a diagram showing an example of a screen presenting a charging plan in the information terminal according to the embodiment.
- FIG. 6 is a diagram illustrating an example of a screen presenting a charging completion result in the information terminal according to the embodiment.
- FIG. 1 is a diagram showing an overview of a charging management system according to an embodiment.
- FIG. 2 is a block diagram showing the
- a charging management method includes an acquisition step, a prediction step, and a planning step.
- the obtaining step position information of a moving body driven by electricity as an energy source, battery information about the remaining capacity of a storage battery mounted on the moving body, and history information about the charging history of the storage battery are acquired.
- the prediction step charging demand for one or more charging facilities is predicted based on the location information, the battery information, and the history information acquired in the acquisition step.
- the planning step based on the charging demand predicted in the predicting step, a charging plan for charging the storage battery is determined so as to keep the charging demand below a predetermined value.
- the charging demand can be adjusted so that the charging demand does not exceed the threshold Th1 (predetermined value)
- the charging demand in one or more charging facilities 3 can be easily leveled. be.
- the charging plan is determined so that the storage battery is charged during a time period that includes the lower limit of the charging demand.
- the storage battery 21 is preferentially charged in the time period (time period T2) including the lower limit of the charging demand, the possibility that the charging demand in the time period exceeds the threshold Th1 (predetermined value) is low. , there is an advantage that it becomes easier to suppress the charging demand to the threshold value Th1 or less.
- reservation information including a schedule for charging the storage battery by the user of the mobile object is further acquired.
- the planning step if the scheduled charging time indicated by the reservation information acquired in the acquiring step includes a peak time when the charging demand exceeds the predetermined value, the charging schedule is changed so as to change the scheduled charging time. Decide on a plan.
- the mobile body has an automatic movement function that allows it to move autonomously without a human being.
- the charging management method includes automatic charging control for automatically moving the moving object to one of the one or more charging facilities and automatically charging the storage battery according to the charging plan determined by the planning step. Further comprising steps.
- the user does not need to drive the mobile object 2 himself to go to the charging facility 3 specified in the charging plan and charge the storage battery 21 during the time period specified in the charging plan.
- the charging plan is determined so that the storage battery is charged at a charging facility within a range in which the mobile body can move within a predetermined time, among the one or more charging facilities.
- the storage battery 21 can be charged at the charging facility 3 within a range in which the moving body 2 can move within a predetermined time, when the moving body 2 returns to the current position P1 after charging is completed, Another advantage is that the charged power is less likely to be wasted.
- the charging plan is determined so that the storage battery is charged at a charging facility within a range in which the mobile body can move within a predetermined distance, among the one or more charging facilities.
- the storage battery 21 can be charged at the charging facility 3 within a range in which the moving body 2 can move within a predetermined distance, when the moving body 2 returns to the current position P1 after charging is completed, Another advantage is that the charged power is less likely to be wasted.
- the charging plan is determined so as to charge the storage battery in a time period based on the schedule of the user of the mobile object.
- the charging management method further includes a presentation step of presenting the charging plan determined by the planning step to the user of the mobile object.
- the user is presented with guidance information that prompts the user to charge the storage battery while avoiding peak times when the charging demand exceeds the predetermined value.
- the guidance information includes information indicating that the unit price for charging the storage battery during the peak hours is higher than the unit price for charging the storage battery during times other than the peak hours.
- a program according to one aspect of the present disclosure causes one or more processors to execute the charge management method.
- the charging demand can be adjusted so that the charging demand does not exceed the threshold Th1 (predetermined value)
- the charging demand in one or more charging facilities 3 can be easily leveled. be.
- a charging management system includes an acquisition unit, a prediction unit, and a planning unit.
- the acquisition unit acquires position information of a moving body that is driven by electricity as an energy source, battery information about the remaining capacity of a storage battery mounted on the moving body, and history information about the charging history of the storage battery.
- the prediction unit predicts charging demand for one or more charging facilities based on the location information, the battery information, and the history information acquired by the acquisition unit.
- the planning unit determines a charging plan for charging the storage battery based on the charging demand predicted by the prediction unit so as to keep the charging demand below a predetermined value.
- the charging demand can be adjusted so that the charging demand does not exceed the threshold Th1 (predetermined value)
- the charging demand in one or more charging facilities 3 can be easily leveled. be.
- FIG. 1 is a diagram showing an overview of a charging management system 100 according to an embodiment.
- a charging management system 100 is a system for managing charging of a storage battery 21 in a mobile body 2 that is driven by electricity as an energy source. Charging of the storage battery 21 is performed by supplying electric power from the charging power source 4 to the storage battery 21 of the moving body 2 via the charging facility 3 .
- the moving body 2 uses electricity stored in the storage battery 21 as an energy source and moves using an electric motor as a power source.
- the moving body 2 may have multiple energy sources including electricity.
- the mobile object 2 may be a hybrid type that uses both electricity and gasoline as energy sources and moves using an electric motor and an internal combustion engine as power sources, respectively.
- the mobile object 2 is an electric vehicle such as an electric vehicle.
- electric vehicles may include motorcycles, bicycles, and the like.
- the mobile object 2 may include, for example, a UAV (Unmanned Aerial Vehicle) such as a drone, which is an unmanned and autonomous flying object.
- UAV Unmanned Aerial Vehicle
- the mobile object 2 (electric vehicle) has an automatic movement function (automatic driving function) that allows unmanned and autonomous movement.
- the moving body 2 is equipped with an automated driving system of level 3 or higher defined by the standard of SAE J3016: Taxonomy and Definitions for Terms Related to Driving Automation Systems for On-Road Motor Vehicles. Therefore, in the embodiment, even when the user is not driving, the moving body 2 can autonomously move to the charging facility 3 and automatically charge the storage battery 21 .
- the charging management system 100 manages mobile bodies 2 owned or temporarily rented by users who have concluded a usage contract with the business operator that operates the charging management system 100 .
- the charging power supply 4 is connected to the charging facility 3 via power transmission equipment and/or transformer equipment, and supplies power to the storage battery 21 mounted on the mobile body 2 via the charging equipment 3 .
- charging power source 4 includes a plurality of power sources having different power generation modes.
- the charging power supply 4 includes a base load power supply 41 , a middle power supply 42 and a peak power supply 43 .
- the base load power supply 41 is basically a power supply that supplies power by constantly operating and generating power.
- the baseload power source 41 includes power sources that supply power generated by, for example, coal-fired power, hydroelectric power, geothermal power, or nuclear power.
- the unit price of electricity generated by the base load power source 41 (that is, the cost of power generation per kWh) is lower than the unit price of electricity generated by the middle power source 42 and the peak power source 43 .
- the middle power supply 42 is a power supply that supplies power by operating to generate power when the power demand cannot be met by the power generation by the baseload power supply 41 alone.
- the middle power source 42 includes, for example, a power source that supplies power generated by thermal power generation using liquefied natural gas (LNG) or thermal power generation using liquefied petroleum gas (LPG).
- LNG liquefied natural gas
- LPG liquefied petroleum gas
- the unit price of electricity generated by the middle power source 42 is higher than the unit price of electricity generated by the base load power source 41 .
- the peak power source 43 is a power source that operates to supply power by generating power when the power demand cannot be met even if both the base load power source 41 and the middle power source 42 are operated.
- the peak power source 43 includes, for example, a power source that supplies power generated by thermal power generation using petroleum or pumped-storage hydroelectric power generation.
- the unit price of electricity generated by the peak power source 43 is higher than the unit price of electricity generated by the base load power source 41 and the middle power source 42 .
- the charging power supply 4 supplies power generated using renewable energy such as sunlight, wind power, or biomass, in addition to the base load power supply 41, middle power supply 42, and peak power supply 43 described above. may include a power supply for
- the charging facility 3 is installed by the operator or another operator affiliated with the operator in the area (for example, the entire country) where the operator who operates the charging management system 100 provides services.
- FIG. 3 is a diagram showing a distribution example of a plurality of charging facilities 3. As shown in FIG. Although FIG. 3 shows only the charging facility 3 that is managed by the charging management system 100, other charging facilities that are not managed may actually be installed. That is, the charging facility 3 in the embodiment is a charging facility to be managed by the charging management system 100 .
- a plurality of (for example, several thousand) charging facilities 3 are distributed and installed in the above area. Only one charging facility 3 may be installed at each installation location, or several or more than ten charging facilities may be installed.
- the charging facility 3 may include, for example, a quick charger with a higher output than the normal charger, in addition to the normal charger.
- the charging equipment 3 is a wireless power supply charger.
- the charging equipment 3 is a wireless power supply type charger, by using electromagnetic induction technology, power is supplied from the power transmission coil embedded in the road surface to the power reception coil mounted on the moving object 2 in a non-contact manner. It is possible to charge the accumulator 21 of the body 2 .
- the charging facility 3 may include a charger with a charging cable in addition to the outlet-type charger. If the charging facility 3 is a socket-type charger, the power plug provided at one end of the charging cable mounted on the moving body 2 is inserted, and the charging connector provided at the other end of the charging cable is connected to the moving body 2 . It is possible to charge the storage battery 21 of the moving body 2 by connecting to the charging port provided in the mobile body 2 . Further, when the charging equipment 3 is a charger with a charging cable, the storage battery 21 of the moving body 2 can be charged by connecting a charging connector provided at one end of the charging cable to a charging port provided on the moving body 2. It is possible to charge. If the charging equipment 3 is a plug-type charger or a charger with a charging cable, the moving object 2 can be automatically charged if it has a mechanism for automatically connecting to the charger. .
- the charging management system 100 is configured by, for example, a server device. In the following description, unless otherwise specified, one mobile object 2 or one user will be focused on. In practice, the charging management system 100 executes the processing described below for each mobile object 2 or each user.
- FIG. 2 is a block diagram showing the configuration of the charging management system 100 according to the embodiment.
- the charging management system 100 includes an acquisition unit 11 , a prediction unit 12 , a planning unit 13 , a presentation unit 14 and an automatic charging control unit 15 .
- the acquisition unit 11 acquires position information of the mobile object 2, battery information related to the remaining capacity of the storage battery 21 mounted on the mobile object 2, and history information related to the charging history of the storage battery 21.
- Acquisition unit 11 is the execution entity of acquisition step ST1 (see FIG. 8) in the charging management method.
- the location information of the mobile object 2 includes, for example, coordinates of the current location of the mobile object 2 determined by a positioning system such as GPS (Global Positioning System).
- the battery information may include, for example, the current remaining capacity of the storage battery 21, or the chargeable capacity obtained by subtracting the current remaining capacity from the fully charged capacity.
- the battery information may include SoC (State of Charge).
- the history information includes the location, time zone, amount of charge, etc. when the storage battery 21 was charged in the past. Note that the history information may not include data on all charges performed in the past, and may include data on charges performed during a predetermined period in the past, for example. In this case, the history information does not include data on charging performed before the predetermined period.
- the acquisition unit 11 requests, for example, a server device operated by a manufacturer that manufactures the mobile object 2 via a communication network such as the Internet, and obtains location information, battery information, and periodically acquire history information. This is because such a manufacturer manages the state of the mobile unit 2 by periodically acquiring the location information, battery information, and history information of the mobile unit 2 from the mobile unit 2 . Note that the acquisition unit 11 may directly acquire the position information, battery information, and history information of the mobile object 2 by communicating with the mobile object 2 via a communication network.
- the acquisition unit 11 (acquisition step ST1) further acquires reservation information including the charging schedule of the storage battery 21 by the user of the mobile object 2 .
- the charging schedule includes a time zone in which the user wishes to charge the storage battery 21 and the charging facilities 3 in which the user wishes to charge the storage battery 21 .
- the acquisition unit 11 acquires the reservation information input by the user through the information terminal 5 by communicating with the information terminal 5 owned by the user via a communication network.
- the information terminal 5 may include a stationary terminal such as a desktop or laptop personal computer as well as a portable terminal such as a smart phone or a tablet terminal.
- the information terminal 5 is installed with a dedicated application for using the charging management system 100 .
- the user can reserve charging of the storage battery 21 at the charging facility 3 and at the time slot desired by the user.
- the reservation screen is displayed on the display unit 51 of the information terminal 5 .
- the information terminal 5 displays the reservation information. and transmits a signal including the generated reservation information to charging management system 100 via a communication network.
- the acquisition unit 11 acquires the reservation information by receiving this signal.
- the prediction unit 12 predicts charging demand for one or more charging facilities 3 (here, a plurality of charging facilities 3) based on the location information, battery information, and history information acquired by the acquisition unit 11 (acquisition step ST1). do.
- the prediction unit 12 is the execution entity of the prediction step ST2 in the charging management method.
- the charging demand is the total amount of power required for charging the storage battery 21 that is expected to occur in each charging equipment 3 in the future.
- the power consumption is predicted for each time period, such as in the morning or every hour.
- the prediction unit 12 uses position information (current position of each mobile object 2) acquired from each mobile object 2, battery information (remaining capacity of the storage battery 21), and history information (remaining capacity of the storage battery 21 in the past).
- the charging demand of one or more charging facilities 3 is predicted by calculating the amount of electric power estimated to be required in the future by each charging facility 3 based on the location, time period, and charging amount.
- the prediction unit 12 predicts charging demand further based on the reservation information when the acquisition unit 11 has acquired the reservation information. That is, the prediction unit 12 can grasp future charging in the specified time slot by referring to the reservation information.
- the charge is not a predicted charge, but a charge that is generally determined to occur in the future. Therefore, there is an advantage that the accuracy of predicting charging demand can be expected to be improved by further referring to the reservation information by the prediction unit 12 .
- the planning unit 13 determines a charging plan for charging the storage battery 21 so as to keep the charging demand below a predetermined value.
- the planning unit 13 is the executing entity of the planning step ST3 in the charging management method.
- a charging plan is determined for each storage battery 21, that is, for each user.
- the storage battery 21 of each mobile body 2 is charged at the time slot and charging facility 3 designated by the corresponding charging plan. That is, the automatic charging control unit 15, which will be described later, autonomously moves each moving body 2 to the charging facility 3 specified by the corresponding charging plan, and charges the storage battery 21 during the time period specified by the corresponding charging plan. .
- FIG. 4 is a diagram showing an example of charging demand predicted by the prediction unit 12 of the charging management system 100 according to the embodiment.
- the vertical axis represents charging demand (unit: kW) of one or more charging facilities 3 (here, multiple charging facilities 3), and the horizontal axis represents time.
- FIG. 4 shows, as an example, the charging demand predicted by the prediction unit 12 at 1:00 pm (13:00) on July 7, 2025 (Monday).
- the prediction unit 12 predicts the charging demand from 2:00 pm (14:00) on July 7, 2025 to 2:00 pm (14:00) on July 8, 2025 on the following day.
- the threshold Th1 represents the upper limit value (predetermined value) of charging demand assumed by the charging management system 100 (charging management method). For example, when the charging demand exceeds the threshold Th1, the excess can be met only by operating the peak power source 43 or operating both the middle power source 42 and the peak power source 43 . Further, in FIG. 4, a threshold Th2 represents the lower limit value of charging demand assumed by the charging management system 100 (charging management method).
- time period T11 from 7:00 pm (19:00) to 9:00 pm (21:00) on Monday, July 7, 2025, and from 6:00 am on Tuesday, July 8, 2025
- the time slot T12 at 2:00 pm (14:00) is peak time T1 in which the charging demand exceeds the threshold Th1 (predetermined value). Therefore, the planning unit 13 determines a charging plan for each storage battery 21 so that the charging demand in the time periods T11 and T12 is below the threshold Th1.
- the planning unit 13 determines the charging plan so as to designate a time zone other than the time zones T11 and T12 for some of the plurality of storage batteries 21 . Further, for example, the planning unit 13 sets the reserved time slot for the storage battery 21 reserved to be charged in the time slots T11 and T12 among the plurality of storage batteries 21 to a time slot other than the time slots T11 and T12. Decide on a charging plan to change to That is, when the scheduled charging time indicated by the reservation information acquired by the acquisition unit 11 (acquisition step ST1) includes the peak time T1 when the charging demand exceeds the threshold Th1 (predetermined value), the planning unit 13 (planning step ST3) , determine the charging plan to change the scheduled charging time.
- the planning unit 13 determines the charging plan so that the storage battery 21 is preferentially charged during the time slot T2 when the charging demand is below the threshold Th2. That is, the planning unit 13 (planning step ST3) determines the charging plan so that the storage battery 21 is charged during the time slot T2 including the lower limit of the charging demand. For example, it is assumed that the planning unit 13 has determined a charging plan to charge the storage battery 21 in time slots close to the time slots T11 and T12. In this case, charging the storage battery 21 during the time period may cause the charging demand during the time period to exceed the threshold Th1 (predetermined value). On the other hand, if the storage battery 21 is preferentially charged in the time period T2 when the charging demand is lower than the threshold Th2, the charging demand in the time period T2 is unlikely to exceed the threshold Th1. There is an advantage that it becomes easier to suppress the following.
- the planning unit 13 designates the charging facility 3 for charging the storage battery 21 according to the situation where the moving body 2 is placed. For example, as shown in FIG. 3, the planning unit 13 charges the storage battery 21 at the charging facility 3 existing within a virtual circle A1 centered at the current position P1 of the mobile object 2 and having a radius of a predetermined distance D1. You may designate as the charging equipment 3.
- the predetermined distance D1 is, for example, approximately several kilometers. That is, the planning unit 13 (planning step ST3) selects one or more charging facilities 3 (here, a plurality of charging facilities 3) within a range in which the moving body 2 can move within a predetermined distance.
- a charging plan may be determined so that the storage battery 21 is charged by
- the planning unit 13 charges the storage battery 21 of the charging facility 3 that is within a range that can be moved from the current position P1 of the mobile object 2 within a predetermined time (for example, several tens of minutes to an hour). You may designate as the charging equipment 3. That is, the planning unit 13 (planning step ST3) selects one or more charging facilities 3 (here, a plurality of charging facilities 3) within a range in which the moving body 2 can move within a predetermined time. A charging plan may be determined so that the storage battery 21 is charged by
- a charging facility 3 located relatively far from the current position P1 of the moving body 2 is specified as the charging facility 3 for charging the storage battery 21, the moving body 2 must be reciprocated in order to charge the storage battery 21 at the charging facility 3. By doing so, the charged power may be wasted.
- the storage battery 21 is charged at the charging facility 3 within a range where the moving body 2 can move within a predetermined distance (or for a predetermined time) as described above, the moving body 2 can move after charging is completed. There is an advantage that the charged power is less likely to be wasted when returning to the current position P1.
- the planning unit 13 may determine the charging plan so that the storage battery 21 is charged during the time period based on the schedule. Specifically, the planning unit 13 may determine the charging plan so as to charge the storage battery 21 while avoiding the time period when the user uses the moving body 2 . In this case, for example, it is possible to charge the storage battery 21 by effectively utilizing the time zone in which the user does not use the mobile object 2. Therefore, the user cannot use the mobile object 2 to charge the storage battery 21. There is an advantage that it is easy to avoid
- the presentation unit 14 presents the charging plan determined by the planning unit 13 (planning step ST3) to the user of the mobile object 2.
- the presentation unit 14 is the execution subject of the presentation step ST4 in the charging management method. Specifically, the presentation unit 14 generates presentation information including the time period specified in the charging plan and the position information of the charging equipment 3, and sends a signal including the generated presentation information to the information terminal via the communication network. 5.
- the information terminal 5 Upon receiving the signal, the information terminal 5 causes the display unit 51 to display the presentation information included in the signal. That is, the presentation unit 14 presents the charging plan to the user via the information terminal 5 .
- FIG. 5 is a diagram showing an example of a screen presenting a charging plan on the information terminal 5 according to the embodiment.
- the screen shown in FIG. 5 is presented to the user after the planning unit 13 determines the charging plan.
- the display unit 51 displays a map including the current position P1 of the mobile object 2 and the installation location of the "charging facility A" which is the charging facility 3 specified in the charging plan. ing.
- the display unit 51 displays a message M1 that reads, "Charging at charging facility A from 1:00 am to 2:00 am on Tuesday, July 8, 2025.” , and a second icon I2 including the character string "change" are displayed.
- the user can grasp the charging plan by looking at the screen shown in FIG. 5 displayed on the display unit 51 of the information terminal 5. Then, if there is no problem with the presented charging plan, the user selects the first icon I1 by, for example, touching the display unit 51 with a finger. In this case, the automatic charging control unit 15 controls the mobile body 2 according to the charging plan presented to the user. On the other hand, if the user wants to change the presented charging plan, the user selects the second icon I2. In this case, the charging plan may be changed by the user operating the information terminal 5, or the planning unit 13 may re-determine the charging plan, and the presentation unit 14 may present the re-determined charging plan again. good too.
- FIG. 6 is a diagram showing an example of a screen presenting the charging completion result on the information terminal 5 according to the embodiment.
- the screen shown in FIG. 6 is presented to the user after the storage battery 21 is automatically charged according to the charging plan.
- a map is displayed on the display unit 51 as in the example shown in FIG.
- the display unit 51 displays a message M2 including a character string "automatic charging is completed", a character string indicating the date and time when charging was performed, and a character string indicating the location where charging was performed. ing.
- the user can recognize that charging of the storage battery 21 has been completed.
- FIG. 7 is a diagram showing an example of a screen prompting change of the charging plan on the information terminal 5 according to the embodiment.
- the screen shown in FIG. 7 is presented to the user when the user reserves charging of the storage battery 21 and when the reserved time slot is included in the peak time T1.
- a map is displayed on the display unit 51 in the same manner as in the example shown in FIG.
- a message M3 including a character string "Reservation time will be changed" a character string indicating the reservation time before change, and a character string indicating the reservation time after change, and "Accept" are displayed.
- a third icon I3 including a character string "change” and a fourth icon I4 including a character string "change” are displayed. That is, in this example, the presentation unit 14 (presentation step ST4) presents to the user guidance information that prompts the user to charge the storage battery 21 while avoiding the peak time T1 when the charging demand exceeds the threshold Th1 (predetermined value).
- Th1 predetermined value
- the guidance information may include, for example, information indicating that the unit price for charging the storage battery 21 during the peak time T1 is higher than the unit price for charging the storage battery 21 during times other than the peak time T1.
- the display unit 51 of the information terminal 5 may display a message such as "Charging at the reservation time before the change may increase the charge unit price.” as guidance information.
- the user who is concerned about the increase in the unit price of charging the storage battery 21 will change the time slot so as to charge the storage battery 21 at a time other than the peak time T1. It has the advantage of making it easier to accept changes.
- the user can grasp the charging plan after the change. Then, if there is no problem with the presented charging plan after the change, the user selects the third icon I3 by, for example, touching the display unit 51 with a finger. In this case, the automatic charging control unit 15 controls the moving body 2 according to the changed charging plan presented to the user. On the other hand, the user selects the fourth icon I4 if he/she wishes to further change the presented charging plan after the change. In this case, the charging plan may be changed by the user operating the information terminal 5, or the planning unit 13 may re-determine the charging plan, and the presentation unit 14 may present the re-determined charging plan again. good too.
- the automatic charging control unit 15 automatically moves the moving body 2 to one of the one or more charging facilities 3 (here, a plurality of charging facilities 3) according to the charging plan determined by the planning unit 13 (planning step ST3). and automatically charge the storage battery 21.
- the automatic charging control unit 15 is the executing entity of the automatic charging control step ST5 in the charging management method.
- the automatic charging control unit 15 issues a command to move to the charging facility 3 specified in the charging plan and a time period specified in the charging plan. to generate control information including a command to charge the storage battery 21 at . Then, the automatic charging control unit 15 transmits a signal including the generated control information to the mobile body 2 via the communication network. Upon receiving the signal, the moving body 2 autonomously moves to the specified charging facility 3 according to the control information included in the signal, and automatically charges the storage battery 21 during the specified time period. After the automatic charging of the storage battery 21 is completed, the moving body 2 autonomously moves to the original position (that is, the current position P1) and returns.
- Automatic charging of the storage battery 21 is performed by, for example, if the charging facility 3 is a wireless power charger, the moving body 2 is parked in a position facing the power transmission coil embedded in the road surface of the charging facility 3. . Further, automatic charging of the storage battery 21 can be performed by, for example, if the charging equipment 3 is a socket-type charger or a charger with a charging cable, the moving body 2 is parked near the charging equipment 3 and the charger is automatically charged. It is executed by connecting directly.
- FIG. 8 is a flow chart showing an example of the operation of the charging management system 100 according to the embodiment. In the following description, it is assumed that the user of the mobile object 2 accepts the charging plan presented by the presentation unit 14 .
- the acquisition unit 11 periodically acquires location information, battery information, and history information from the mobile object 2 (S1). Processing S1 is executed without depending on other processing described below. Further, the acquisition unit 11 acquires the reservation information by receiving a signal including the reservation information transmitted from the information terminal 5 (S2). Processing S ⁇ b>2 is executed only when the user operates the information terminal 5 to reserve charging of the storage battery 21 .
- the processes S1 and S2 correspond to the acquisition step ST1 in the charging management method.
- the prediction unit 12 predicts charging demand for one or more charging facilities 3 (here, a plurality of charging facilities 3) based on the location information, battery information, history information, and reservation information acquired by the acquisition unit 11. Predict (S3). Processing S3 corresponds to prediction step ST2 in the charging management method. The process S3 is executed, for example, each time the acquisition unit 11 acquires position information or the like.
- Processing S4 corresponds to planning step ST3 in the charging management method. Processing S4 is performed, for example, each time the prediction unit 12 predicts the charging demand.
- the presentation unit 14 presents the charging plan determined by the planning unit 13 to the user of the mobile object 2 (S5).
- Processing S5 corresponds to presentation step ST4 in the charge management method. Specifically, the presentation unit 14 generates presentation information including the time period specified in the charging plan and the position information of the charging equipment 3, and sends a signal including the generated presentation information to the information terminal via the communication network. 5. Processing S5 is performed, for example, when the planning unit 13 determines the charging plan for the first time and when the charging plan determined by the planning unit 13 is changed from the previously determined charging plan.
- the automatic charging control unit 15 automatically moves the moving body 2 to one of the one or more charging facilities 3 (here, the plurality of charging facilities 3) according to the charging plan determined by the planning unit 13, and , automatic charging control is executed to automatically charge the storage battery 21 (S6).
- Processing S6 corresponds to automatic charging control step ST5 in the charging management method. Processing S6 is executed, for example, when the user has consented to the charging plan and when the time slot specified in the charging plan approaches. Hereafter, the above series of processes are repeated.
- the charging demand when the charging demand is relatively large, for example, when the charging demand exceeds the threshold Th1 (predetermined value), the charging demand cannot be satisfied by operating only the base load power supply 41, and the middle power supply 42 is temporarily operated, and the peak power supply 43 is also required to be temporarily operated.
- the cost of procuring the power source is calculated based on the unit price of the electricity generated by the middle power source 42 and/or the peak power source 43. Therefore, the cost of procuring power can be very high.
- leveling refers to reducing the disparity in charging demand that may differ depending on the time period or season. Specifically, leveling means keeping changes in charging demand within a specified range.
- the charging demand at one or more charging facilities 3 is predicted, and based on the predicted charging demand, the charging demand is set to a threshold value Th1 (predetermined value ), it is possible to determine a charging plan for charging the storage battery 21 in such a way as to: That is, in the embodiment, since the charging demand can be adjusted so that the charging demand does not exceed the threshold Th1, there is an advantage that the charging demand in one or more charging facilities 3 can be easily leveled. Therefore, in the embodiment, there is an advantage that charging demand can be easily met without operating the middle power supply 42 and/or the peak power supply 43, and as a result, the cost of procuring power supplies can be easily suppressed.
- Th1 predetermined value
- the prediction unit 12 estimates the charging demand for one or more charging facilities 3 by further referring to the history of past traffic volume in the area where each charging facility 3 is installed. You can predict.
- charging management system 100 may not include presentation unit 14 .
- the charge management method may not include the presentation step ST4.
- the moving body 2 does not have to have an automatic movement function.
- the user can go to the charging facility 3 specified in the charging plan by driving the mobile body 2 by himself/herself, and charge the storage battery 21 during the time zone specified in the charging plan.
- the charging management system 100 does not have to include the automatic charging control unit 15 .
- the charging management method may not include the automatic charging control step ST5.
- the charging management system 100 may further include a power source procurement unit (power source procurement step).
- the power supply procurement unit procures the charging power supply 4 for each of the plurality of charging facilities 3 based on the charging demand predicted by the prediction unit 12 (prediction step ST2).
- the power source procuring unit procure the charging power source 4 for each charging facility 3 so that the electric power necessary for charging the storage battery 21 at the charging facility 3 in the future will not be insufficient.
- Procurement means for procuring the charging power source 4 may include, for example, means for procuring from the charging power source 4 (for example, power plant, etc.) owned by the business operator that operates the charging management system 100 .
- the procurement means may include means for procuring power from the charging power supply 4 of the electric power company that owns the charging power supply 4 by concluding a power purchase contract with the power company.
- the procurement means may include means for procuring from the charging power supply 4 purchased on the wholesale power exchange market (for example, JEPX (Japan Electric Power Exchange) in Japan).
- the power supply procurement unit uses one or more procurement means among the plurality of procurement means to procure the charging power supply 4 for each charging equipment 3 .
- the power supply procurement unit may vary the procurement means for each type of charging power supply 4 .
- the power supply procurement unit procures the baseload power supply 41 from the baseload power supply 41 owned by the first electric power company, and the middle power supply 42 from the second electric power company different from the first electric power company. It may be procured from the middle power supply 42 or the like.
- the power source procurement unit may procure the charging power source 4 so as to satisfy all the charging demand of each charging facility 3, or may procure only the insufficient charging power source 4 in each charging facility 3. may be procured.
- machine learning may be used to calculate the charging demand by the prediction unit 12 .
- machine learning is performed using various parameters such as time period and past charging history as inputs. Since charging demand changes from moment to moment, machine learning may be performed so that newer parameters and data have higher priority.
- the charging facility 3 may be, for example, a road in which a power transmission coil is embedded.
- the mobile body 2 can charge the storage battery 21 while traveling on the road.
- each processing unit included in the charging management system 100 and the like according to the above embodiment is typically realized as an LSI, which is an integrated circuit. These may be made into one chip individually, or may be made into one chip so as to include part or all of them.
- circuit integration is not limited to LSIs, and may be realized with dedicated circuits or general-purpose processors.
- An FPGA Field Programmable Gate Array
- a reconfigurable processor that can reconfigure the connections and settings of the circuit cells inside the LSI may be used.
- each component may be configured with dedicated hardware or realized by executing a software program suitable for each component.
- Each component may be realized by reading and executing a software program recorded in a recording medium such as a hard disk or a semiconductor memory by a program execution unit such as a CPU or processor.
- the division of functional blocks in the block diagram is an example, and a plurality of functional blocks can be realized as one functional block, one functional block can be divided into a plurality of functional blocks, and some functions can be moved to other functional blocks.
- single hardware or software may process the functions of a plurality of functional blocks having similar functions in parallel or in a time-sharing manner.
- each step in the flowchart is executed is for illustrative purposes in order to specifically describe the present disclosure, and orders other than the above may be used. Also, some of the above steps may be executed concurrently (in parallel) with other steps.
- charging management system 100 was realized as a single device, but may be realized by a plurality of devices.
- charging management system 100 is realized by a plurality of devices, the components included in charging management system 100 may be distributed among the plurality of devices in any way.
- the present disclosure may be implemented by cloud computing or by edge computing.
- the present disclosure can be applied, for example, to a system that manages charging of a storage battery in a moving object that uses electricity as an energy source.
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Abstract
Description
[1.概要]
まず、実施の形態に係る充電管理システムの概要を説明する。図1は、実施の形態に係る充電管理システム100の概要を示す図である。図1に示すように、充電管理システム100は、電気をエネルギー源として駆動する移動体2における蓄電池21の充電を管理するためのシステムである。蓄電池21の充電は、充電設備3を介して、充電用電源4から移動体2の蓄電池21へ電力を供給することにより実行される。
次に、充電管理システム100について詳細に説明する。充電管理システム100は、例えばサーバ装置により構成されている。以下では、特に断りのない限り、1台の移動体2又は1人のユーザに焦点を当てて説明する。実際には、充電管理システム100は、以下に説明する処理を移動体2ごと又はユーザごとに実行する。
以下、実施の形態に係る充電管理システム100(充電管理方法)の動作例について図8を用いて説明する。図8は、実施の形態に係る充電管理システム100の動作の一例を示すフローチャートである。以下では、移動体2のユーザが、提示部14により提示された充電計画を承諾することとして説明する。
以下、実施の形態に係る充電管理システム100(充電管理方法)の利点について説明する。図4に示すような充電需要を満たすためには、各充電設備3に電源を調達する必要があるが、電源を調達する費用は充電需要に応じて異なり得る。例えば、充電需要が比較的小さい場合は、ベースロード電源41のみを稼働することで充電需要を満たすことが可能である。この場合、ベースロード電源41により発電される電気の単価は低いため、電源を調達する費用も低くなる。
以上、実施の形態に係る充電管理システム100(充電管理方法)について説明したが、本開示は、この実施の形態に限定されるものではない。
11 取得部
12 予測部
13 計画部
2 移動体
21 蓄電池
3 充電設備
ST1 取得ステップ
ST2 予測ステップ
ST3 計画ステップ
ST4 提示ステップ
ST5 自動充電制御ステップ
T1 ピーク時間
Th1 閾値(所定値)
Claims (12)
- 電気をエネルギー源として駆動する移動体の位置情報、前記移動体に搭載されている蓄電池の残容量に関する電池情報、及び前記蓄電池の充電履歴に関する履歴情報を取得する取得ステップと、
前記取得ステップが取得した前記位置情報、前記電池情報、及び前記履歴情報に基づいて、1以上の充電設備の充電需要を予測する予測ステップと、
前記予測ステップが予測した前記充電需要に基づいて、前記充電需要を所定値以下に抑えるように前記蓄電池を充電する充電計画を決定する計画ステップと、を含む、
充電管理方法。 - 前記計画ステップでは、前記充電需要の下限を含む時間帯で前記蓄電池を充電するように、前記充電計画を決定する、
請求項1に記載の充電管理方法。 - 前記取得ステップでは、前記移動体のユーザによる前記蓄電池の充電予定を含む予約情報を更に取得し、
前記計画ステップでは、前記取得ステップが取得した前記予約情報の示す前記充電予定の時間が、前記充電需要が前記所定値を上回るピーク時間を含む場合、前記充電予定の時間を変更するように前記充電計画を決定する、
請求項1又は2に記載の充電管理方法。 - 前記移動体は、無人で自律移動する自動移動機能を有しており、
前記計画ステップが決定した前記充電計画に従って、前記移動体を前記1以上の充電設備のいずれかに自動的に移動させ、かつ、自動的に前記蓄電池を充電させる自動充電制御ステップを更に含む、
請求項1~3のいずれか1項に記載の充電管理方法。 - 前記計画ステップでは、前記1以上の充電設備のうち、前記移動体が所定の時間内で移動可能な範囲にある充電設備にて前記蓄電池を充電するように前記充電計画を決定する、
請求項4に記載の充電管理方法。 - 前記計画ステップでは、前記1以上の充電設備のうち、前記移動体が所定の距離内で移動可能な範囲にある充電設備にて前記蓄電池を充電するように前記充電計画を決定する、
請求項4又は5に記載の充電管理方法。 - 前記計画ステップでは、前記移動体のユーザのスケジュールに基づく時間帯で前記蓄電池を充電するように前記充電計画を決定する、
請求項4~6のいずれか1項に記載の充電管理方法。 - 前記計画ステップが決定した前記充電計画を、前記移動体のユーザに提示する提示ステップを更に含む、
請求項1~7のいずれか1項に記載の充電管理方法。 - 前記提示ステップでは、前記充電需要が前記所定値を上回るピーク時間を避けて前記蓄電池を充電するように促す誘導情報を前記ユーザに提示する、
請求項8に記載の充電管理方法。 - 前記誘導情報は、前記ピーク時間における前記蓄電池の充電の単価が、前記ピーク時間以外の時間における前記蓄電池の充電の単価よりも高いことを示す情報を含む、
請求項9に記載の充電管理方法。 - 1以上のプロセッサに、
請求項1~10のいずれか1項に記載の充電管理方法を実行させる、
プログラム。 - 電気をエネルギー源として駆動する移動体の位置情報、前記移動体に搭載されている蓄電池の残容量に関する電池情報、及び前記蓄電池の充電履歴に関する履歴情報を取得する取得部と、
前記取得部が取得した前記位置情報、前記電池情報、及び前記履歴情報に基づいて、1以上の充電設備の充電需要を予測する予測部と、
前記予測部が予測した前記充電需要に基づいて、前記充電需要を所定値以下に抑えるように前記蓄電池を充電する充電計画を決定する計画部と、を備える、
充電管理システム。
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