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公开(公告)号：US20230150680A1
公开(公告)日：2023-05-18
申请号：US17918290
申请日：2021-04-06
发明人： Nan UKUMORI , Daisuke KONISHI
CPC分类号： B64D27/24 , H02J7/0013 , H02J7/0063 , H02J7/342 , H02J7/0048 , H02J7/005 , H01M10/482 , H01M10/4264 , H02J2207/20 , B64D2221/00
摘要： An energy storage system used in a flight vehicle includes: a plurality of energy storage apparatuses; and a power transfer circuit that is connected to the plurality of energy storage apparatuses and transfer electric power between the plurality of energy storage apparatuses.
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公开(公告)号：US20210033675A1
公开(公告)日：2021-02-04
申请号：US16981855
申请日：2019-03-14
发明人： Nan UKUMORI
IPC分类号： G01R31/367 , G01R31/392 , G01R31/382 , G01R31/374 , H01M10/48 , H01M10/0525 , H02J7/00
摘要： This degradation estimating device is provided with: a state of health (SOH) acquiring unit which acquires the SOH of an energy storing device at a first time point, and acquires the SOH at a second time point later than the first time point; a representative value acquiring unit which acquires a representative value of the state of charge (SOC) of the energy storing device during the period from the first time point to the second time point; and a learning processing unit which causes a learning model to learn on the basis of learning data in which the SOH at the first time point and the representative value serve as input data, and the SOH at the second time point serves as output data.
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公开(公告)号：US20220373608A1
公开(公告)日：2022-11-24
申请号：US17754230
申请日：2020-09-30
发明人： Ryosuke TAKEHANA , Nan UKUMORI
IPC分类号： G01R31/392 , G01R31/382 , G01R31/374 , H02J7/00
摘要： An estimation device 4 is provided with: an acquisition unit 41 for acquiring time-series data about an SOC of a power storage element; a specification unit 41 for specifying a fluctuation range of the SOC in the time-series data and an SOC representative value representing an SOC region in the fluctuation range; and an estimation unit 41 for estimating a shape change of the power storage element on the basis of the specified fluctuation range and the specified representative value.
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公开(公告)号：US20200088807A1
公开(公告)日：2020-03-19
申请号：US16618475
申请日：2018-05-29
发明人： Yuichi IKEDA , Nan UKUMORI
IPC分类号： G01R31/3842 , H02J7/00 , H01M10/48 , H01M10/42
摘要： A management device is provided with an acquiring unit for acquiring the amount of variation between the voltage of a power storage element when conduction of power is suspended from a state in which power is being conducted to the power storage element and the voltage when a period has elapsed, and a determination unit for determining whether the amount of variation is included in a second range that corresponds to a first range in which the voltage difference between each power storage amount-voltage characteristic during charging and discharging for the same power storage amount is less than another range.
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公开(公告)号：US20200057113A1
公开(公告)日：2020-02-20
申请号：US16498868
申请日：2018-03-28
发明人： Nan UKUMORI
IPC分类号： G01R31/392 , G01R31/3842 , H01M10/48
摘要： A degradation estimating device includes: an acquiring unit that acquires time-series data of an SOC in an energy storage device; and an estimating unit that estimates degradation of the energy storage device based on a fluctuation magnitude of the SOC in the time-series data acquired by the acquiring unit. The degradation estimating method of an energy storage device acquires time-series data of an SOC in the energy storage device, and estimates the degradation of the energy storage device based on a fluctuation magnitude of the SOC in the acquired time-series data.
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公开(公告)号：US20220381831A1
公开(公告)日：2022-12-01
申请号：US17755938
申请日：2020-11-17
发明人： Nan UKUMORI
IPC分类号： G01R31/367 , G01R31/3842 , G01R31/388 , G01R31/392 , H01M10/48 , H02J13/00
摘要： This evaluation device comprises: a mathematical model acquisition unit that acquires a mathematical model expressing the state of a power storage element; an operation data acquisition unit that acquires operation data which includes time-series input data input during operation of a system constructed on the basis of the numerical model, and time-series output data output by the system on the basis of the time-series input data; a processing unit that inputs the time-series input data to the numerical model and executes processing causing time-series model output data to be output from the numerical model; and an evaluation unit that evaluates the design and the operation of the system on the basis of the time-series output data and the time-series model output data.
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公开(公告)号：US20200225292A1
公开(公告)日：2020-07-16
申请号：US16630957
申请日：2018-06-29
发明人： Nan UKUMORI , Katsuya INOUE , Yuichi IKEDA , Ryota KIDO
IPC分类号： G01R31/3828 , H01M10/48 , G01R31/392
摘要： An energy storage device has a single electrode containing an active material in which repeated charge-discharge changes a first characteristic that is an energy storage amount-potential charge characteristic, and a second characteristic that is an energy storage amount-potential discharge characteristic. An estimation device includes: a storage unit that stores first characteristics, second characteristics, or pieces of V-dQ/dV of the single electrode in accordance with a change in a feature value, which is changed by repeated charge-discharge, or stores as a function of the feature value; an acquisition unit that acquires the feature value of the energy storage device; and a first estimation unit that refers to the first characteristic, the second characteristic, or the V-dQ/dV, or refers to the function on the basis of the feature value acquired by the acquisition unit, to estimate the first characteristic, the second characteristic, or the V-dQ/dV of the single electrode.
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8.发明申请公开(公告)号：US20200166581A1
公开(公告)日：2020-05-28
申请号：US16618561
申请日：2018-05-25
发明人： Nan UKUMORI , Yuichi IKEDA
IPC分类号： G01R31/396 , G01R31/3835 , H01M10/48
摘要： A storage amount estimation device is provided that can estimate a storage amount of an energy storage device containing an active material in which a storage amount-voltage characteristic exhibits a hysteresis, an energy storage module including the storage amount estimation device, a storage amount estimation method, and a computer program. An energy storage device contains an active material exhibiting hysteresis between a storage amount-voltage charge characteristic and a storage amount-voltage discharge characteristic in a positive electrode and/or a negative electrode, the active material generating a plurality of electrochemical reactions according to transition of charge-discharge. A BMU includes an acquisition unit that acquires a storage amount-voltage charge characteristic for reference and/or a storage amount-voltage discharge characteristic for reference based on the first characteristic, the second characteristic, and voltage history of the charge-discharge and an estimation unit that estimates the storage amount based on the voltage history of the charge-discharge, the third characteristic and/or the fourth characteristic, and the acquired voltage.
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公开(公告)号：US20230249850A1
公开(公告)日：2023-08-10
申请号：US17919016
申请日：2021-04-06
发明人： Nan UKUMORI , Daisuke KONISHI
CPC分类号： B64U50/31 , B64U50/13 , H01M10/48 , B64U50/19 , B64U2201/20
摘要： In a method of controlling a flying object 1, from the flying object 1 that includes a flying object propulsion apparatus 16 and an energy storage apparatus 7, 8 having a plurality of energy storage devices 6 and configured to supply electricity to the flying object propulsion apparatus 16, one or a plurality of the energy storage devices 6 are separated.
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公开(公告)号：US20210270904A1
公开(公告)日：2021-09-02
申请号：US17254767
申请日：2019-06-19
发明人： Nan UKUMORI
IPC分类号： G01R31/385 , G01R31/392 , G01R31/36 , G06N7/00
摘要： A state estimation method for an energy storage device includes: acquiring, by a first method, a first probability distribution that expresses the state of the energy storage device 61 in the form of a probability distribution; acquiring, by a second method, a second probability distribution that expresses the state of the energy storage device in the form of a probability distribution; and estimating the state of the energy storage device on the basis of the first probability distribution and the second probability distribution.
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