Abstract: A charge and discharge control device includes a storage charge level determining unit that selects one range from a first charge level range lower than a second charge level range and a third charge level range higher than the second charge level range, and determines a charge level at storage during which charge and discharge of a battery are not performed. The second charge level range can be a range of charge level including a maximum value of storage degradation, and the storage degradation can be degradation of the battery over time. The charge and discharge control device can further comprise a charge and discharge control unit that controls charge and discharge of the battery on the basis of the charge level at storage.

Abstract: A motor control device includes: a power source device including a DC-output power conversion device having a first mode for outputting first voltage and a second mode for outputting second voltage higher than the first voltage; a power supply device; and a control device, and controls a motor. When a flying object takes off, the control device controls the power conversion device in the second mode. When the control device judges that flight information which is one or both of information of a motor parameter obtained along with control for the motor and information of an environmental factor relevant to the flight altitude satisfies a predetermined condition, or when the control device has received an operation mode signal for which the first mode is selected on the basis of the flight information during control for the motor, the control device controls the power conversion device in the first mode.

Abstract: The storage battery diagnosis device includes: a data point sequence generation unit which generates, on the basis of a current of a storage battery detected by a current detection device and a voltage detected by a voltage detection device, a data point sequence including a Zth-order derivative/integral curve expressed with a Zth-order derivative/integral voltage or a Zth-order derivative/integral capacity where Z represents a real number; a reference data provision unit which provides, as a reference, a reference data point sequence of the storage battery or an electrode; a point set registration unit which performs point set registration between the reference data point sequence and the data point sequence generated by the data point sequence generation unit; and a diagnosis unit which estimates a parameter indicating a state of degradation of the storage battery or the electrode on the basis of a result from the point set registration unit.

Abstract: Provided is a characteristic estimation device for a storage battery including: a voltage detection unit configured to detect a terminal voltage of the storage battery; a time-series data acquisition unit configured to acquire time-series data on the terminal voltage in a stopped state of the storage battery; a model provision unit configured to provide a storage battery model; and a model parameter estimation unit configured to estimate a model parameter of the storage battery model based on the time-series data on the terminal voltage acquired by the time-series data acquisition unit and on the storage battery model provided by the model provision unit. The storage battery model includes an OCV term for expressing OCV of the storage battery and an interparticle diffusion term which is based on a fundamental solution of a one-dimensional diffusion equation expressing ion diffusion among particles forming electrodes of the storage battery.

Abstract: A motor control device includes: a step-down device including a DC-output power conversion device having a first mode for outputting first voltage and a second mode for outputting second voltage lower than the first voltage; a power supply device; and a control device, and controls a motor. When a flying object takes off, the control device controls the power conversion device in the first mode. When the control device judges that flight information which is one or both of information of a motor parameter obtained along with control for the motor and information of an environmental factor relevant to the flight altitude of satisfies a predetermined condition, or when the control device has received an mode signal for which the second mode is selected on the basis of the flight information during control for the motor, the control device controls the power conversion device in the second mode.

Abstract: A device for controlling a storage battery system is provided. The device includes: a state information calculator configured to calculate state information on each of batteries of a plurality of storage battery modules; a conversion efficiency characteristics calculator configured to calculate a power conversion efficiency of each of DC/DC converters of the plurality of storage battery modules; and a storage battery module selector configured to select one or a plurality of storage battery modules to be used while the storage battery system is charged or discharged and to determine a charge power or a discharge power of each of the selected storage battery modules, based on the state information of the batteries and the power conversion efficiencies of the DC/DC converters.

Abstract: An ammeter measures current when a storage battery having a plurality of single batteries connected in series is charged or discharged. A voltmeter measures total voltage of the storage battery. A calculation device calculates dV/dt obtained by differentiating the total voltage with respect to time on the basis of a relationship between the total voltage and charging time or discharging time, separates a characteristic peak obtained by a dV/dt curve into peaks for the respective single batteries, and diagnoses soundness of the storage battery on the basis of the separated peaks.

Abstract: After the temperature of a battery rises to a predetermined diagnosis temperature, a charge/discharge control unit controls a charge/discharge circuit to charge or discharge the battery. A current-voltage detection unit detects current and voltage of the battery during a period in which the battery is charged or discharged. A differential voltage calculation unit calculates a differential voltage of the battery on the basis of the detected current and voltage. A deterioration state estimation unit estimates a deterioration state of the battery on the basis of a change in the calculated differential voltage.

Abstract: A storage battery internal state estimation device includes a data generation unit and an estimation unit. The data generation unit generates time-series data for estimation from time-series data of a current value and a voltage value acquired from a storage battery. The estimation unit estimates a model function of the storage battery on the basis of the time-series data for estimation. The time-series data for estimation includes ZDj-th (j=1,..., ND) order differential voltage curves, the number of which is “ND” that is an integer of one or more, where “ZDj” is a positive real number, and ZDk?1 for at least one “k”.

Abstract: A motor control device includes: a power source device including a DC-output power conversion device having a first mode for outputting first voltage and a second mode for outputting second voltage higher than the first voltage; a power supply device; and a control device, and controls a motor. When a flying object takes off, the control device controls the power conversion device in the second mode. When the control device judges that flight information which is one or both of information of a motor parameter obtained along with control for the motor and information of an environmental factor relevant to the flight altitude satisfies a predetermined condition, or when the control device has received an operation mode signal for which the first mode is selected on the basis of the flight information during control for the motor, the control device controls the power conversion device in the first mode.

Abstract: Provided is a storage battery diagnostic device including: a positive/negative electrode OCV model function generation unit (106) configured to generate a positive electrode OCV model function and a negative electrode OCV model function for N storage batteries by a sum of OCV element functions; and a storage battery model function parameter group estimation unit (107), which is configured to generate a storage battery model function based on the positive electrode OCV model function and the negative electrode OCV model function, and to generate an evaluation function L indicating an error between the time-series data stored in the data storage unit (104) and time-series data on estimation data calculated by using the storage battery model function, to thereby calculate such an optimal group of estimation parameters of the storage battery model functions for the respective storage batteries as to minimize a value of the evaluation function L.

Abstract: A motor control device includes: a step-down device including a DC-output power conversion device having a first mode for outputting first voltage and a second mode for outputting second voltage lower than the first voltage; a power supply device; and a control device, and controls a motor. When a flying object takes off, the control device controls the power conversion device in the first mode. When the control device judges that flight information which is one or both of information of a motor parameter obtained along with control for the motor and information of an environmental factor relevant to the flight altitude of satisfies a predetermined condition, or when the control device has received an mode signal for which the second mode is selected on the basis of the flight information during control for the motor, the control device controls the power conversion device in the second mode.

Abstract: A deterioration degree diagnosis device includes: a charging/discharging control unit configured to control charging or discharging of a battery; a battery information measurement unit configured to measure a voltage and a current of the battery and measure a capacity and voltage transition during charging or discharging; a multiple data integration unit configured to integrate battery capacity voltage data in at least two different sections measured by the battery information measurement unit, and create a battery capacity voltage curve; and a deterioration degree diagnosis unit configured to estimate a deterioration degree of the battery on the basis of the battery capacity voltage curve.

Abstract: To provide a storage battery state estimation device that can accurately perform deterioration diagnosis even when there is no characteristic information of a storage battery. The storage battery state estimation device includes: a baseline function estimation unit for separating a data point sequence including a capacity and differential voltage of a storage battery into a baseline point sequence and a peak point sequence, and estimating a baseline function on the basis of the baseline point sequence; a peak function estimation unit for estimating a peak function on the basis of the peak point sequence; a model function estimation unit for estimating a model function on the basis of the baseline function and the peak function; an error peak detection unit for detecting presence or absence of an error peak.

Abstract: A charge and discharge control device includes a storage charge level determining unit that selects one range from a first charge level range lower than a second charge level range and a third charge level range higher than the second charge level range, and determines a charge level at storage during which charge and discharge of a battery are not performed, the second charge level range being a range of charge level including a maximum value of storage degradation, the storage degradation being degradation of the battery over time; and a charge and discharge control unit that controls charge and discharge of the battery on the basis of the charge level at storage.

Abstract: Provided is a characteristic estimation device for a storage battery including: a voltage detection unit configured to detect a terminal voltage of the storage battery; a time-series data acquisition unit configured to acquire time-series data on the terminal voltage in a stopped state of the storage battery; a model provision unit configured to provide a storage battery model; and a model parameter estimation unit configured to estimate a model parameter of the storage battery model based on the time-series data on the terminal voltage acquired by the time-series data acquisition unit and on the storage battery model provided by the model provision unit. The storage battery model includes an OCV term for expressing OCV of the storage battery and an interparticle diffusion term which is based on a fundamental solution of a one-dimensional diffusion equation expressing ion diffusion among particles forming electrodes of the storage battery.

Abstract: In response to demands for stably and precisely estimating states, a rechargeable battery state estimation device includes a current detecting unit which detects a charge-discharge current of the rechargeable battery as a detected current; a voltage detecting unit which detects a voltage between terminals of the rechargeable battery as a detected voltage; an OCV estimation method SOC estimation unit which calculates an OCV estimation method state of charge, based on the detected current and the detected voltage; a current integration method parameter estimation unit which estimates a current integration method parameter including a capacity retention rate, based on the detected current and the OCV estimation method state of charge; and a corrected SOC estimation unit which calculates an estimated state of charge, based on the detected current, the OCV estimation method state of charge, and the current integration method parameter.

Abstract: A device for controlling a storage battery system is provided. The device includes: a state information calculator configured to calculate state information on each of batteries of a plurality of storage battery modules; a conversion efficiency characteristics calculator configured to calculate a power conversion efficiency of each of DC/DC converters of the plurality of storage battery modules; and a storage battery module selector configured to select one or a plurality of storage battery modules to be used while the storage battery system is charged or discharged and to determine a charge power or a discharge power of each of the selected storage battery modules, based on the state information of the batteries and the power conversion efficiencies of the DC/DC converters.

Abstract: Provided is a storage battery diagnostic device including: a positive/negative electrode OCV model function generation unit (106) configured to generate a positive electrode OCV model function and a negative electrode OCV model function for N storage batteries by a sum of OCV element functions; and a storage battery model function parameter group estimation unit (107), which is configured to generate a storage battery model function based on the positive electrode OCV model function and the negative electrode OCV model function, and to generate an evaluation function L indicating an error between the time-series data stored in the data storage unit (104) and time-series data on estimation data calculated by using the storage battery model function, to thereby calculate such an optimal group of estimation parameters of the storage battery model functions for the respective storage batteries as to minimize a value of the evaluation function L.

Abstract: A distributed equipment abnormality detection system is provided for monitoring physical amounts of equipments of identical type and detecting an abnormality of each equipment. The distributed equipment abnormality detection system includes equipment management apparatuses that manage the equipments; and a management server apparatus for communicating the equipment management apparatuses.