Abstract: Provided is an aerosol generation device with which it is possible to inexpensively observe a heater cooling process with high accuracy, and also possible to inexpensively detect a shortage or depletion of an aerosol source with high accuracy. An aerosol generation device includes an aerosol storage source; a load that atomizes the aerosol source by generating heat by power supplied from a power source, and has an electrical resistance value that changes depending on the temperature; a sensor that detects the electrical resistance value of the load; and a control unit that is configured so as to monitor the cooling process of the load after the temperature of the load has risen to or exceeded a temperature at which the aerosol source can be atomized.

Abstract: A flavor generation device comprising: a case; a first electronic component disposed in the case; a temperature sensor disposed in or in the vicinity of the first electronic component; a second electronic component disposed in the case; and a control device. The second electronic component is disposed away from the temperature sensor at a distance greater than a distance between the temperature sensor and the first electronic component. The control device is configured to detect or estimate the temperature of the second electronic component on the basis of an output value from the temperature sensor.

Abstract: A flavor generation device comprising: a power supply; a flow path for passing an air flow generated as a result of inhalation by a user; and a temperature sensor which outputs a detected value or estimated value of the temperature of the power supply. The temperature sensor is located in a position other than a position in which the air flow provides the highest cooling effect.

Abstract: Provided is an aerosol generating device which is capable of optimizing the timing at which aerosol generation is stopped. This aerosol generating device 100 includes: a power source 114 which supplies power in order to atomize an aerosol source and/or heat a flavor source; a sensor 106 which outputs a measurement value indicating a first physical quantity for controlling the power supplied; and a controller 130 which acquires the measurement value output by the sensor 106, stores a profile of the measurement value, and controls the supplied power by controlling a second physical quantity different to the first physical quantity, on the basis of the acquired measurement value and at least a part of the stored profile of the measurement value.

Abstract: Provided is an aerosol generating device which is capable of stopping aerosol generation at an appropriate timing. This aerosol generating device includes a power source which supplies power in order to atomize an aerosol source and/or heat a flavor source; a sensor which outputs a measurement value for controlling the power supplied; and a circuitry which controls the power supplied from the power source on the basis of the measurement value. The circuitry controls to increase a power supply amount per unit time in response to a first condition that the measured value is equal to or larger than a first threshold being satisfied, and to decrease the power supply amount per unit time in response to a second condition that the measured value is less than a second threshold greater than the first threshold and a third condition which is different from the first condition and the second condition being satisfied.

Abstract: There is provided an aerosol generation apparatus capable of determining whether an aerosol source is insufficient in quantity while suppressing variation in a generation quantity of aerosol in a period during which a user inhales aerosol.

Abstract: A power supply unit for an aerosol suction device includes: a power supply capable of discharging to a load for generating an aerosol from an aerosol generation source; and a controller capable of controlling charging and discharging of the power supply. The controller is capable of operating in a charging mode for controlling charging of the power supply, a first mode different from the charging mode, and a second mode different from the charging mode and the first mode, and is capable of executing diagnosis processes of the power supply in each of the first mode and the second mode.

Abstract: A power supply unit of an aerosol generation apparatus includes: a power supply capable of discharging to a load for generating an aerosol from an aerosol source; a controller configured to control the power supply; a housing configured to house the power supply and the controller; and a plurality of sensors capable of outputting the same physical quantity inside the housing. The controller is configured to diagnose a state of the power supply unit based on outputs of the plurality of sensors.

Abstract: An aerosol generation device includes: a load configured to heat an aerosol generation article by using power that is supplied from a power source, the aerosol generation article comprising an aerosol-forming substrate configured to hold or carry at least one of an aerosol source and a flavor source; and a control unit configured to control the power that is supplied from the power source to the load, in multiple phases where different control modes are executed.

Abstract: An aerosol generation device includes: a load configured to heat an aerosol generation article by using power that is supplied from a power source, the aerosol generation article comprising an aerosol-forming substrate configured to hold or carry at least one of an aerosol source and a flavor source; and a control unit configured to acquire a temperature of the load and to control the power that is supplied from the power source to the load by feedback control. The control unit is configured to determine the power that is supplied from the power source to the load, based on comparison between an operation value obtained in the feedback control and a predetermined value.

Abstract: An aerosol generation device includes: a load configured to heat an aerosol generation article including an aerosol-forming substrate configured to hold or carry at least one of an aerosol source and a flavor source; and a controller configured to control power that is supplied from a power source to the load. When a phase where a temperature of the load is equal to or higher than a value at which a predetermined amount or more of aerosols is capable of being generated from the aerosol generation article, the controller is configured to acquire the temperature of the load and a degree of progress of the phase, to execute feedback control so that the temperature of the load converges to a predetermined temperature, and to increase a gain in the feedback control or an upper limit value of the power, as the degree of progress progresses, in the feedback control.

Abstract: An aerosol generation device includes: a load used to heat an aerosol generation article by using power that is supplied from a power source, the aerosol generation article comprising an aerosol-forming substrate configured to hold or carry at least one of an aerosol source and a flavor source; and a control unit configured to acquire a temperature of the load, and to control the power that is supplied from the power source to the load by feedback control, based on a difference between the temperature of the load and a predetermined temperature. When a drop of the temperature of the load is detected during execution of the feedback control, the control unit is configured to change a value of a variable that is used in the feedback control, so as to increase the power that is supplied from the power source to the load.

Abstract: An aerosol generation device includes: a load configured to heat an aerosol generation article by using power that is supplied from a power source, the aerosol generation article comprising an aerosol-forming substrate configured to hold or carry at least one of an aerosol source and a flavor source; and a control unit configured to control the power that is supplied from the power source to the load. When starting the supply of power to the load in a non-operation state, or when the load is in a preparation state in which the load is not capable of generating a predetermined amount or more of aerosols from the aerosol generation article, the control unit is configured to control the power that is supplied from the power source to the load by feed-forward control.

Abstract: A selector is to choose a target facility from the at least one facility based on a supplier position and a quantity of the energy suppliable. A distance calculator is to calculate a vehicle-facility distance from a current position to a facility position of a target energy supplier. A drivable range calculator is to calculate a drivable range of a vehicle based on a quantity of energy stored in an energy storage. A determining device is to determine whether or not to permit a power supplier to supply an electrical energy to an external device based on the vehicle-facility distance and the drivable range to control electricity supply from the power supplier to the external device.

Abstract: Provided is an aerosol generation device that can more accurately detect shortage of an aerosol source after a cartridge has been replaced. An aerosol generation device 100A that comprises: a power source 110; a load 132 that has temperature-resistance value characteristics, has a temperature-variable electrical resistance value, and atomizes an aerosol source by generating heat due to supply of power from the power source 110; memory 114 that stores the temperature-resistance value characteristics; a sensor 112 that outputs a value that is related to the resistance value of the load 132; and a control part 106 that, on the basis of the correspondence between the output value from the sensor 112 and an estimated value for the temperature of the load 132 that corresponds to the output value, calibrates the stored temperature-resistance value characteristics.

Abstract: An external unit for an inhalation component generation device includes a connection part that is electrically connectable to a power supply unit of the inhalation component generation device, a sensor that is capable of outputting an output value related to an electrical resistance value of a resistor provided in the power supply unit, and a first control part that is configured to determine, based on the output value, whether to change a predetermined control with respect to the power supply unit connected to the connection part or whether to perform the predetermined control.

Abstract: Provided is an aerosol generation device that suppresses the effect that errors in the production of structural elements have on the accuracy with which shortage of an aerosol source is detected. An aerosol generation device that comprises: a power source 110; a load 132 that has a temperature-variable electrical resistance value and atomizes an aerosol source by generating heat due to supply of power from the power source 110; a first circuit 202 that is used for the load 132 to atomize the aerosol source; a second circuit 204 that is connected in parallel to the first circuit 202, has a higher electrical resistance value than the first circuit 202, and is used to detect voltage that changes as a result of changes in the temperature of the load 132; an acquisition part that acquires the value of voltage that is applied to the second circuit 204 and the load 132; and sensors 112B, 112D that output the value of the voltage that changes as a result of changes in the temperature of the load 132.

Abstract: A power supply unit on an inhalation component generation device includes a power supply, a first resistor that is connected to the power supply, a second resistor that is connected in series to the first resistor, a connection part that is electrically connectable to an external unit, the connection part including a first electrical terminal that is electrically connected to a first node between the first resistor and the second resistor, and a second electrical terminal that is electrically connected to a second node disposed at a side opposite to the first node with respect to the first resistor, a first switch that is electrically connected to the first node and forms an electrical path electrically parallel with the second resistor, and a detecting part that detects connection of the external unit to the connection part based on a voltage drop amount in the second resistor. The first switch is maintained in an open state when the external unit is not connected to the connection part.

Abstract: An inhalation component generation device includes a load configured to vaporize or atomize an inhalation component source with electric power from a power supply, and a control unit configured to be capable of acquiring a value related to an operation amount of the load and a voltage value of the power supply. The control unit is configured to be capable of estimating or detecting at least one of degradation and failure of the power supply based on the value related to the operation amount of the load operated in a period in which the acquired voltage value of the power supply is in a predetermined voltage range.

Abstract: An inhalation component generation device includes a load configured to vaporize or atomize an inhalation component source with electric power from a power supply, and a control unit configured to be capable of controlling supply of electric power from the power supply to the load. The control unit is configured to be capable of performing a first diagnostic function of estimating or detecting at least one of degradation and failure of the power supply during operation of the load, and a second diagnostic function of estimating or detecting at least one of degradation and failure of the power supply during charging of the power supply. The first diagnostic function and the second diagnostic function include different algorithms.