Abstract: A method for controlling an information terminal, including: (a) causing a display of the information terminal to display a first screen that includes a message recommending an action that leads to a reduction in a power consumption amount of a facility; and (b) causing the display to display a second screen that prompts an operator to execute an input operation for adjusting the frequency at which (a) is executed, in which, when the input operation is executed, (a) is executed at the frequency adjusted according to the input operation.

Abstract: An information terminal control method includes: (a) predicting whether an amount of power consumption in a shop exceeds a target value; (b) when the amount of power consumption in the shop is predicted to exceed the target value, causing a display of an information terminal to display a screen displaying a time period during which the amount of power consumption in the shop is predicted to exceed the target value; and (c) causing the display to display a screen displaying a message that presents an action to reduce the amount of power consumption in the time period.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A method for controlling an information terminal, including: (a) causing a display of the information terminal to display a first screen that includes a message recommending an action that leads to a reduction in a power consumption amount of a facility; and (b) causing the display to display a second screen that prompts an operator to execute an input operation for adjusting the frequency at which (a) is executed, in which, when the input operation is executed, (a) is executed at the frequency adjusted according to the input operation.

Abstract: An information terminal control method includes: (a) predicting whether an amount of power consumption in a shop exceeds a target value; (b) when the amount of power consumption in the shop is predicted to exceed the target value, causing a display of an information terminal to display a screen displaying a time period during which the amount of power consumption in the shop is predicted to exceed the target value; and (c) causing the display to display a screen displaying a message that presents an action to reduce the amount of power consumption in the time period.

Abstract: 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?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.

Abstract: 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: controlling application of current to the secondary battery; obtaining, as measurement information, at least a voltage value of the secondary battery measured while the current is flowing through the secondary battery; and estimating the degradation state of the secondary battery, based on a model for estimating the degradation state of the secondary battery and the measurement information obtained in the obtaining. In the controlling, at least one of a current value of the current and duration during which a predetermined current value is maintained is determined according to a provisional degradation state of the secondary battery.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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?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.

Abstract: An artificial feather for a shuttlecock including a vane portion in a thin film form, corresponding to a vane, and a rachis portion in a bar form extending integrally and continuously from an upper tip end to a lower distal end, corresponding to a rachis, to imitate a natural feather, the vane portion being made of thermoplastic resin having interconnecting bubbles therein, and having low specific gravity and low elasticity relative to the rachis portion, the rachis portion being made of thermoplastic resin being fixed to the vane portion at a vane support portion, having the vane support portion set as an area that is fixed to the vane portion along the tip end to a bottom end of the vane portion, and having a calamus portion set as an area that protrudes to a lower side of the vane portion and spans from a bottom end of the vane support portion to the distal end, to correspond to a calamus of the natural feather.

Abstract: 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.

Abstract: 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: controlling application of current to the secondary battery; obtaining, as measurement information, at least a voltage value of the secondary battery measured while the current is flowing through the secondary battery; and estimating the degradation state of the secondary battery, based on a model for estimating the degradation state of the secondary battery and the measurement information obtained in the obtaining. In the controlling, at least one of a current value of the current and duration during which a predetermined current value is maintained is determined according to a provisional degradation state of the secondary battery.

Abstract: A device (300s) has an authentication ID generator (320) for applying a first one-way function to a combination of a process password and information to be shared, and generating an authentication ID; an anonymizer (330) for generating anonymized information from the authentication ID and the information to be shared; an information sharing section (340) for causing the anonymized information to be held on another device; and an anonymized information process requesting section (350) for sending a process request containing the process password, and requesting the other device to subject the held anonymized information to a predetermined process, the request being sent on the basis of a match between the authentication ID of the anonymized information and the result of the first one-way function being applied to the combination of the process password and the anonymized information held on the other device.

Abstract: An artificial feather for a shuttlecock including a vane portion in a thin film form, corresponding to a vane, and a rachis portion in a bar form extending integrally and continuously from an upper tip end to a lower distal end, corresponding to a rachis, to imitate a natural feather, the vane portion being made of thermoplastic resin having interconnecting bubbles therein, and having low specific gravity and low elasticity relative to the rachis portion, the rachis portion being made of thermoplastic resin being fixed to the vane portion at a vane support portion, having the vane support portion set as an area that is fixed to the vane portion along the tip end to a bottom end of the vane portion, and having a calamus portion set as an area that protrudes to a lower side of the vane portion and spans from a bottom end of the vane support portion to the distal end, to correspond to a calamus of the natural feather.

Abstract: A plurality of artificial feathers for a shuttlecock, when a hemispherical base portion of the shuttlecock is set on a lower side, the artificial feathers being embedded in an annular ring form on a peripheral border of a circular top end face of the base portion, the artificial feathers for a shuttlecock each including a vane portion in a thin film form, corresponding to a vane, the vane portion being provided with a reinforcement coating made of applied resin, and a rachis portion in a bar form extending integrally and continuously from an upper tip end to a lower distal end, corresponding to a rachis, to imitate a natural feather, the rachis portion being fixed to the vane portion at a vane support portion, having the vane support portion set as an area that is fixed to the vane portion along the tip end to a bottom end of the vane portion, and having a calamus portion set as an area that protrudes to a lower side of the vane portion and spans from a bottom end of the vane support portion to the distal end

Abstract: 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.