Abstract: A management device includes an information acquirer configured to acquire battery information on a usage state of a secondary battery mounted in a vehicle and information on a user from the vehicle, a first feature deriver configured to derive a first feature indicating a state of the secondary battery based on a result obtained by applying the battery information to a battery state detection model that identifies the state of the secondary battery, a second feature deriver configured to derive a second feature indicating characteristics of the user based on the information on the user, and a selector configured to select a battery suitable for the user based on a result obtained by inputting the first feature and the second feature to a matching model that outputs a result showing compatibility between the user and a battery based on the first feature and the second feature.

Abstract: A state estimation method includes a first step of preparing a plurality of first estimation models estimating a state of an object to be monitored based on a state variable measured with respect to the state of the object to be monitored, a second step of preparing a second estimation model estimating, from among the plurality of first estimation models, which one of the first estimation models estimates the state of the object to be monitored with the highest accuracy based on the state variable measured with respect to the object to be monitored or a state variable measured with respect to a utilization device that runs by using the object to be monitored, and a third step of outputting a result of estimation of the state of the object to be monitored of the one first estimation model estimated by the second estimation model.

Abstract: An information providing device according to an aspect includes a setter that sets points for a user of a vehicle on the basis of one or both of information on a battery storing an electric power for traveling of the vehicle and information on driving of the vehicle, an information provider that provides information on the point set by the setter to the user of the vehicle, an acquirer that acquires distribution information in which at least some of the points are distributed as a point for causing an anthropomorphic character associated with the battery to perform a predetermined operation, and a match manager that generates information on a match between the anthropomorphic character and another anthropomorphic character on the basis of the distribution information acquired by the acquirer and provide the generated information to the user.

Abstract: A deterioration state estimation system of a secondary battery includes: a state variable measurement unit which measures a state variable including an output current and an output voltage of the secondary battery in operation at each prescribed timing; a preprocessing unit which outputs input data calculated on the basis of the measured state variable; and a deterioration state estimation unit which estimates a deterioration state of the secondary battery in operation through a trained deterioration state model using the input data, wherein the preprocessing unit includes a state variable processing unit which sets a unit amount of charge/discharge and a most recent section closest to a current time and one or more previous sections before the most recent section as a desired section based on the unit amount of charge/discharge used for calculating the input data, calculates, as section data, an amount of voltage change based on the state variable for each set section, includes the calculated section data in

Abstract: An information processing apparatus includes an acquirer that acquires first information indicating a remaining charge of a first battery that is detachably mounted in an electric vehicle and supplies electric power for traveling of the electric vehicle and second information regarding a destination of the electric vehicle, a travel route predictor that predicts a travel route of the electric vehicle based on the second information acquired by the acquirer, and a determiner that refers to map information indicating, on a map, positions of a plurality of charging stations at which a second battery to be rented to a user is charged and determines a charging station at which the second battery is rented as a replacement for the first battery mounted in the electric vehicle based on the travel route predicted by the travel route predictor.

Abstract: A management apparatus includes an acquisition unit configured to acquire battery information regarding a secondary battery mounted on a vehicle and vehicle information regarding traveling of the vehicle from the vehicle, a first identification unit configured to identify a state of the secondary battery by applying the battery information to a battery state identification model for identifying the state of the secondary battery, a second identification unit configured to identify a state of the vehicle by applying the vehicle information to a vehicle state identification model for identifying the state of the vehicle, and a control unit configured to control transmission and reception of electric power between an electric power system and the secondary battery on the basis of the state of the secondary battery identified by the first identification unit and the state of the vehicle identified by the second identification unit.

Abstract: A management apparatus includes an acquirer configured to acquire vehicle usage state information about a usage state of a vehicle, and a processing unit configured to apply the vehicle usage state information to a model which outputs feature amounts when vehicle usage information is input thereto to acquire the feature amounts, to select a secondary battery recommended to be mounted in the vehicle for which the vehicle usage state information is acquired from secondary batteries providable as the secondary battery to be mounted in the vehicle and storing electric power for travel on the basis of the acquired feature amounts, and to present the selected secondary battery.

Abstract: A display device includes: an acquisition unit configured to acquire information on a use status of a battery that stores electric power for traveling of a vehicle; a display unit configured to display an image; and a display control unit configured to cause the display unit to display an image in which a state of the battery is represented by an anthropomorphic character based on an acquisition result of the acquisition unit.

Abstract: An information providing apparatus according to an aspect includes an acquirer configured to acquire information on anthropomorphic characters correlated with a battery that stores power for allowing a vehicle to travel, and an information provider configured to provide information on a competition between the anthropomorphic character correlated with the battery and another anthropomorphic character when the vehicle is connected to a charging facility that supplies power to the battery to charge the battery.

Abstract: An information providing apparatus according to an aspect includes an acquirer configured to acquire traveling history of a vehicle, and an information provider configured to provide information on an anthropomorphic character correlated with information related to the vehicle. The information provider gives or grows the anthropomorphic character on the basis of the traveling history acquired by the acquirer.

Abstract: A state estimation system of a secondary battery includes: a state variable measurement unit which measures a state variable including an output current and an output voltage of the secondary battery in operation at each prescribed timing; a state variable processing unit which outputs a state variable processing data including an amount of charge/discharge and an amount of voltage change calculated on the basis of the state variable measured using the state variable measurement unit; and a characteristic identification unit which identifies SOC-OCV characteristics of the secondary battery through a trained characteristic identification model using the state variable processing data.

Abstract: A deterioration state estimation system of a secondary battery includes: a state variable measurement unit which measures a state variable including an output current and an output voltage of the secondary battery in operation at each prescribed timing; a preprocessing unit which outputs input data calculated on the basis of the measured state variable; and a deterioration state estimation unit which estimates a deterioration state of the secondary battery in operation through a trained deterioration state model using the input data, wherein the preprocessing unit includes a state variable processing unit which sets a unit amount of charge/discharge and a most recent section closest to a current time and one or more previous sections before the most recent section as a desired section based on the unit amount of charge/discharge used for calculating the input data, calculates, as section data, an amount of voltage change based on the state variable for each set section, includes the calculated section data in

Abstract: A state estimation system includes: a learned model generated through machine learning in which sample data of first and second state variables of a predetermined target is training data; a first state variable measurement unit configured to measure the first state variable of a monitoring target; a second state variable estimation unit configured to perform a second state variable estimation process of inputting a measured value of the first state variable into the learned model and acquiring an output of the learned model as an estimated value of the second state variable of the monitoring target; and an alternative estimation unit configured to output an alternative estimated value which is an alternative value of the estimated value of the second state variable in a case in which a predetermined first sudden change determination condition is satisfied by the estimated value of the second state variable acquired in response to an input of a first measured value of the first state variable through the secon

Abstract: An information processing device includes an acquirer that acquires first data indicating a use situation of a target vehicle and second data indicating a use situation of a battery mounted in the target vehicle, and a determiner that, when the first data and the second data of a certain vehicle are input, inputs the first data and the second data acquired by the acquirer into a classifier learned to output third data indicating the presence or absence of unauthorized use of the certain vehicle and determines whether the target vehicle has been unauthorized used on the basis of the third data output by the classifier into which the first data and the second data are input.

Abstract: A management device includes an information acquirer configured to acquire battery information on a usage state of a secondary battery mounted in a vehicle and information on a user from the vehicle, a first feature deriver configured to derive a first feature indicating a state of the secondary battery based on a result obtained by applying the battery information to a battery state detection model that identifies the state of the secondary battery, a second feature deriver configured to derive a second feature indicating characteristics of the user based on the information on the user, and a selector configured to select a battery suitable for the user based on a result obtained by inputting the first feature and the second feature to a matching model that outputs a result showing compatibility between the user and a battery based on the first feature and the second feature.

Abstract: A state estimation system includes a first processor, and the first processor executes: a first state variable measurement process of measuring a first state variable of a monitored object; a second state variable estimation repetition process of repeating a second state variable estimation process of inputting a measurement value of the first state variable into a learned model and acquiring an estimate value of a second state variable outputted from the learned model; and an estimation accuracy decline information output process of outputting estimation accuracy decline information when a predetermined estimate value sudden change determination condition is met with respect to a first estimate value of the second state variable acquired in response to input of a first measurement value of the first state variable.

Abstract: A charging facility guidance device includes: a communication unit 110 that makes communication with a vehicle-installed communication device and with a charging facility C; and a calculation unit 130 that calculates a route for charging in which the charging facility C where an electric vehicle 200 is to be charged is incorporated between a predetermined start point and a predetermined destination, on the basis of vehicle notification information stored in a storage unit 160, received by the communication unit 110, and including identification information about the electric vehicle 200, positional information about the electric vehicle 200, information indicating a charging state of the electric vehicle 200, and round trip route information about a round trip between the predetermined start point and the predetermined destination, the round trip being made by the electric vehicle 200 equipped with the vehicle-installed communication device.

Abstract: Provided is an information providing device capable of adding financial value to a secondary battery. An information providing device 200 includes: a management unit 211 that manages price information relating to price of a financial product relating to a secondary battery; a first calculation unit 212 that calculates a first price of the financial product traded on a first date based on the price information; a second calculation unit 213 that calculates a second price of the financial product traded on a second date based on the price information; a difference calculating unit 214 that calculates a difference between the first price and the second price, and a cost determination unit 215 that determines a vehicle-related cost relating to a vehicle using the secondary battery based on the difference.

Abstract: An information providing device according to an aspect includes a setter that sets points for a user of a vehicle on the basis of one or both of information on a battery storing an electric power for traveling of the vehicle and information on driving of the vehicle, an information provider that provides information on the point set by the setter to the user of the vehicle, an acquirer that acquires distribution information in which at least some of the points are distributed as a point for causing an anthropomorphic character associated with the battery to perform a predetermined operation, and a match manager that generates information on a match between the anthropomorphic character and another anthropomorphic character on the basis of the distribution information acquired by the acquirer and provide the generated information to the user.

Abstract: An information providing apparatus according to an aspect includes an acquirer configured to acquire information on anthropomorphic characters correlated with a battery that stores power for allowing a vehicle to travel, and an information provider configured to provide information on a competition between the anthropomorphic character correlated with the battery and another anthropomorphic character when the vehicle is connected to a charging facility that supplies power to the battery to charge the battery.