Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Panasonic Intellectual Property Corporation of America

Takahiro Kudoh

Takashi Akita

Tsuyoshi Kindo

Seiya Miyazaki

Jun Ozawa

Takashi Tajima

Tatsuto Kinjo

Eiichi Naito

Yutaka Yamamoto

Masaaki Nagahara

Mototaka Yoshioka

Kenichi Watanabe

Naoki Hayashi

Yoshikatsu Ito

Hiroshi Takao

Mitsuru Kaji

Takuya Hirai

Masayuki Nakahara

Minoru Takazawa

Kei Murayama

Masaaki Takegata

Makoto Hashimoto

Tomomi Katou

Keiji Nishihara

Gou Nishida

The server acquires first data concerning a load applied to a body of an electric mobile apparatus, acquires second data concerning the performance of a storage battery mounted on the mobile apparatus, calculates a remaining lifetime of the body on the basis of the first data, calculates a remaining lifetime of the battery on the basis of the second data, compares the remaining lifetime of the body with the remaining lifetime of the storage battery, and instructs at least one of an activation of an unused function and an enhancement of a used function among a plurality of functions consuming the electric power of the mobile apparatus when the remaining lifetime of the body is shorter than the remaining lifetime of the storage battery.

Information processing method, control device, and information processing system calculating remaining life of battery

An information processing device includes: a state information acquisition unit that acquires state information representing a state of a battery mounted on an electric device driven by the battery; an association information acquisition unit that acquires association information representing an association between the state of the battery and a deterioration rate of the battery; a deterioration information deriving unit that derives deterioration information related to the deterioration rate of the battery, based on the state information and the association information; and an output unit that outputs the deterioration information.

Information processing device, computer-readable recording medium recording a program, and information processing method

An electric power control method according to an aspect of the present disclosure includes determining a control threshold value at a start of a demand time period based on a demand target value, measuring an amount of demand electric power of a customer which has received an electric power supply from an external power source and consumed electric power from the start of the demand time period to an arbitrary time point during the demand time period, updating the control threshold value based on the measured amount of demand electric power and the demand target value, and supplying electric power to the customer from a distributed power source when an instantaneous value of an electric power consumption of the customer exceeds the control threshold value during the demand time period.

Electric power control method, electric power control device, and electric power control system

A power system stabilization method includes: receiving a power command value from a power control center that monitors a power system; transmitting the power command value to a power supply device; causing the power supply device to supply power to the power system according to the power command value; generating a prediction command value according to past power command values received from the power control center, the prediction command value being a prediction value of a power command value to be transmitted from the power control center next after the power command value; transmitting the prediction command value to a power supply device; causing the power supply device to supply power to the power system according to the power prediction command value; receiving the next power command value from the power control center; transmitting the next power command value to the power supply device.

Method and system for power system stabilization using prediction confidence based on high-frequency components of power command value

A charge or discharge control method includes: receiving a power instruction value with respect to a power storage apparatus; obtaining a remaining state of charge (SOC) and a target SOC which is a target value of the SOC of the power storage apparatus; controlling charge or discharge of the power storage apparatus according to the power instruction value when the power instruction value is received; wherein, in the controlling, a delay time is determined according to a difference between the target SOC and the remaining SOC, and the power storage apparatus is controlled according to the power instruction value at a timing when the delay time passes after the power instruction value is received.

Charge and discharge control method, charge and discharge control system, and charge and discharge control apparatus

A control apparatus includes: a target value obtaining unit obtaining a total target value of power to be discharged from storage batteries; an SOH obtaining unit obtain information on a state of health for each of the storage batteries; a charge control unit determining how the power of the total target value is divided among and discharged from each of the storage battery. The charge control unit (i) compares the state of health of a first storage battery and the state of health of a second storage battery, and, in the case where the state of health of the second storage battery is higher than the state of health of the first storage battery, (ii) discharges from the second storage battery second power lower than first power which is discharged from the first storage battery.

Power control apparatus, method, program, and integrated circuit, and storage battery unit

A method including: setting a weighting function based on an amount of change in impedance of a control target; and determining, for a power controller, a transfer function composed of a transfer function of an internal model obtainable by performing Laplace transform on the voltage reference value and a transfer function of a partial controller, the transfer function of the partial controller being for outputting the control output after receiving, as an input, an output of the transfer function of the internal model, wherein the determining includes determining the transfer function of the partial controller using an H&#x221e;control theory so as to reduce (i) a first amount of control obtainable by multiplying the control output and the weighting function and (ii) a second amount of control that is an output of the transfer function of the internal model.

Method for designing power controller, power controller, and power control device

Provided is a degradation state estimating method which decreases degradation in a secondary battery caused by estimating the degradation state. The degradation state estimating method is a method of estimating the degradation state of a secondary battery, includes:

Degradation state estimating method and degradation state estimating apparatus

A method for designing a control apparatus includes: determining first, second and third threshold values; setting a first weighting function for calculating a first controlled variable by being multiplied by a difference between a control target value and an output value of a storage battery, a second weighting function for calculating a second controlled variable by being multiplied by the output value of the storage battery, and a third weighting function for calculating a third controlled variable by being multiplied by an integrated value of the output value of the storage battery; and determining a transfer function of the control apparatus in accordance with an H-infinity control theory such that the first controlled variable, the second controlled variable and the third controlled variable are respectively smaller than the first, second and third threshold values.

Method for designing a control apparatus and control apparatus

A power control apparatus includes: a control unit that controls discharged power of a first battery and discharged power of a second battery; and a power acquisition unit that acquires a total power to be supplied from the first and second batteries to a load device connected to the first and second batteries. The control unit: in a first period, changes the discharged power of the first battery according to a change in the acquired total power, and changes the discharged power of the second battery toward a first direction in which the discharged power of the second battery approximates the discharged power of the first battery; and, in a second period after the first period, changes the discharged power of the second battery according to the change in the acquired total power, and changes the discharged power of the first battery toward a second direction opposite the first direction.

Power control apparatus and power control method

The control device includes: an acquisition unit which acquires voltage information indicating a voltage applied to a capacitor provided between a power generation unit and a load via first and second power supply lines, and deterioration information indicating a state of deterioration of a storage battery connected to the power generation unit; a determination unit which compares the acquired voltage information with a reference voltage so as to detect a fluctuation of the voltage, and determines power to be outputted so as to suppress the fluctuation; and an informing unit which informs the storage battery of a current value corresponding to the power to be outputted, wherein the determination unit detects the state of deterioration of the storage battery using the deterioration information, and determines power to be outputted in accordance with the state of deterioration.

Power control device, power control method, and power supply system

A travel history editing device including: a position information detecting unit detecting position information of a vehicle; a map information accumulation unit accumulating pre-registered position information and name information; and an arrival point name providing unit, (i) reading out a name of a facility, and providing the read name as the arrival point when the arrival point corresponds to a position of the facility, and (ii) reading out other name information from the map information accumulation unit, and providing the other name information when the arrival point does not correspond to the position of the facility. Further the device includes an arrival point history accumulation unit accumulating an arrival point corresponding to the facility and the name; and a name editing unit editing the name of the arrival point for which the other name is provided as the name of the facility accumulated in the arrival point history accumulation unit.

Travel history editing device

The voltage control apparatus () includes: a first information obtaining unit () obtaining an output value of active power output from each of the distributed generations, and a voltage deviation amount or a voltage value at a point of common coupling of each of the distributed generations; and a control variable calculating unit () calculating a control variable corresponding to an amount of the active power or reactive power that should be changed and is to be output from each of the distributed generations to the distribution system so that the voltage deviation amount or the voltage value at one of the points of common coupling falls within a predetermined proper range in advance, wherein the control variable calculating unit calculates the control variable to be larger, as the output value of the active power output from one of the distributed generations is larger.

Voltage control apparatus, method, and program

A navigation apparatus dynamically sets a frequency of updating a guide arrow in accordance with certain circumstances. The navigation apparatus performs the route guidance by displaying the photographed image and includes a searching section for searching a route from a current position to a destination; and a drawing section for displaying the guide arrow which indicates the route searched by the searching section such that the guide arrow is superimposed on the photographed image, wherein the drawing section dynamically sets a frequency of updating a display of the guide arrow based on a predetermined condition.

Navigation apparatus

A map displaying device for displaying an accessible range in an arbitrary display form determined in accordance with the scale of a displayed map and/or with the running state of a vehicle is provided. The map displaying device includes: a display unit for displaying map information stored in a map database; a search unit for calculating travel time information regarding a travel time to an arbitrary point accessible from a reference point; and a time information drawing unit for displaying the travel time information in a superimposed manner on the display unit by varying a display form in accordance with the scale of a map and/or with the running state of a user's vehicle.

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Kyoto, Japan

Takahiro Kudoh