Abstract: A power supply/demand management device includes: a battery health acquisition controller configured or programmed to acquire a battery health X of the storage battery; a power selling amount management controller configured or programmed to acquire a desired power selling amount and correct desired power selling amount based on the battery health X acquired by the battery health acquisition controller; a power transmission/reception management controller configured or programmed to manage an amount of received/transmitted power between the storage battery and the power transmission/distribution system, based on the corrected power selling amount; and an incentive management controller configured or programmed to calculate an incentive to be provided to the user of the storage battery based on the corrected power selling amount.

Abstract: An guidance system of an electric mobility vehicle includes a registration section in which replacement places of replacement batteries for the electric mobility vehicle are registered, an estimation section that estimates a possible travel distance of the electric mobility vehicle from a battery remaining capacity of the electric mobility vehicle, and a display section that displays replacement places within a range of the estimated possible travel distance of the electric mobility vehicle among the replacement places of the replacement batteries registered in the registration section on map information.

Abstract: A power supply/demand management device includes: a battery health acquisition controller configured or programmed to acquire a battery health X of the storage battery; a power selling amount management controller configured or programmed to acquire a desired power selling amount and correct desired power selling amount based on the battery health X acquired by the battery health acquisition controller; a power transmission/reception management controller configured or programmed to manage an amount of received/transmitted power between the storage battery and the power transmission/distribution system, based on the corrected power selling amount; and an incentive management controller configured or programmed to calculate an incentive to be provided to the user of the storage battery based on the corrected power selling amount.

Abstract: The herein disclosed electrical grid system includes: a first obtaining controller that obtains the electric power demand or supply request information from the electric power transmission and distribution facility; a second obtaining controller that obtains an electric storage state information; a third obtaining controller that obtains a vehicle information of an electric vehicle; a supply and demand satisfaction level calculation controller that calculates a supply and demand satisfaction level based on the electric power demand or supply request information; a selection controller that selects an electric vehicle to be guided to the charge or discharge spot based on the vehicle information obtained by the third obtaining controller and the supply and demand satisfaction level calculated by the supply and demand satisfaction level calculation controller; and a communication controller that sends a guide information to the selected electric vehicle.

Abstract: A power system apparatus that suitably secures users of electric vehicles performing charge/discharge at the timing when power supply/demand adjustment is needed is provided. The power system apparatus disclosed herein includes: a power supply/demand information acquisition unit; a first calculator configured to calculate an urgency degree or a redundancy degree and a first rank point; a communication unit; a charge/discharge management unit; a second calculator configured to acquire a charge/discharge amount and calculate a second rank point; a rank setting unit configured to set a rank based on the first rank point calculated by the first calculator and the second rank point calculated by the second calculator; and an incentive management unit configured to calculate an incentive.

Abstract: A new system is provided that enables a resource aggregator to smoothly use on-board batteries of electric vehicles as an energy resource. A user is allowed to select whether or not to permit interchange of electric power between a charging and discharging facility and an electric vehicle through the resource aggregator when the electric vehicle is connected to the charging and discharging facility.

Abstract: A power supply/demand adjusting method disclosed here is a method for adjusting power supply and demand between a power transmission/distribution system and a storage battery mounted on an electric vehicle. The method includes the steps of: acquiring power selling approval of a storage battery; acquiring battery information of a storage battery for which the power selling approval is acquired based on the acquired power selling approval and power demand information from the power transmission/distribution system; calculating a power selling amount to be transmitted from the storage battery to the power transmission/distribution system, based on the acquired battery information of the storage battery and the acquired power demand information; supplying electric vehicle based on the power selling amount from the storage battery to the power transmission/distribution system; and calculating an incentive to be provided to a user of the electric vehicle based on the power selling amount.

Abstract: In order to stably reduce the level of induction noise using an inexpensive circuit configuration, reduce detection time delay, and accurately detect a battery temperature, a method has a detection step of detecting a battery temperature in a predetermined sampling period, and detecting a battery temperature change rate per unit time [(Traw?Told)/t]; and a step including, calculating the battery temperature using the change rate as an actual change rate (?T/?t now) of an old change rate (?T/?t old) prior to exceeding the maximum change rate (?T/?t max) or a predetermined set charge rate (?T/?t set), when the battery temperature change rate [(Traw?Told)/t] exceeds the maximum change rate (?T/?t max), and calculating the battery temperature using the detected change rate [(Traw?Told)/t] as the battery temperature change rate, when the battery temperature change rate [(Traw?Told)/t] is less than the maximum change rate (?T/?t max).

Abstract: Disclosed herein is camera module including: a lens barrel; an auto-focusing actuator; and a handshake compensating actuator, wherein the auto-focusing actuator and the handshake compensating actuator include a common magnet for actuating auto-focusing and handshake compensation, an auto-focusing corner magnet, a coil for auto-focusing, and a coil for handshake compensation, one surface of the common magnet for actuating auto-focusing and handshake compensation and the auto-focusing corner magnet face the coil for auto-focusing and the other surface of the common magnet for actuating auto-focusing and handshake compensation faces the coil for handshake compensation.

Abstract: Disclosed herein is camera module including: a lens barrel; an auto-focusing actuator; and a handshake compensating actuator, wherein the auto-focusing actuator and the handshake compensating actuator include a common magnet for actuating auto-focusing and handshake compensation, an auto-focusing corner magnet, a coil for auto-focusing, and a coil for handshake compensation, one surface of the common magnet for actuating auto-focusing and handshake compensation and the auto-focusing corner magnet face the coil for auto-focusing and the other surface of the common magnet for actuating auto-focusing and handshake compensation faces the coil for handshake compensation.

Abstract: A power supply device includes a battery, positive and negative-side contactors and a controller. The battery supplies power to a load. The positive-side contactor is serially connected to the positive side of the battery, and the negative-side contactor is serially connected to the negative side of the battery. The controller determines whether the load connected to the output sides of the positive-side contactor and the negative-side contactor is in a connected or non-contact state. The controller includes a voltage detecting circuit that detects the capacitor voltage of a capacitor connected to the output sides of the positive-side contactor and the negative-side contactor, and a determination circuit that compares the detected voltage with a predetermined voltage and determines the connected state of the load.

Abstract: The battery system has a current detection circuit 2, an amplifier 6, and a detection circuit 7 that detects the current flowing through batteries 1 from amplifier 6 output. The current detection circuit 2 is provided with a voltage source circuit 8 that supplies a test voltage to the input-side of the amplifier 6. Current detection lines 10 connect the current detection resistor 5 to the input-side of the amplifier 6, and the detection circuit 7 stores a reference voltage corresponding to the current detection lines 10 in the connected state. When the voltage source circuit 8 supplies the test voltage to the input-side of the amplifier 6, the detection circuit 7 compares the amplifier 6 output voltage with the reference voltage. The detection circuit 7 detects an open-circuit in the current detection lines 10 by the shift in voltage from the reference voltage.

Abstract: A battery ECU acquires open circuit voltages of a plurality of battery cells that are divided into a plurality of groups A, B, C using a plurality of detecting units, and calculates SOCs of the battery cells based on the open circuit voltages. Then, the battery ECU selects the group to which the battery cell having the largest SOC among the SOCs of the plurality of battery cells belongs, and selects the battery cell to be discharged in the selected group. A series circuit composed of a resistor and a switching element is connected in parallel with each battery cell. The battery ECU turns on the switching element corresponding to the selected battery cell. At this time, the battery cell is connected to the resistor, thus being discharged.

Abstract: An SOC of each battery cell is periodically detected, and an SOCmin and an SOCmax are determined. Battery cells having the SOCs larger than SOCmin+? are selectively discharged. After an elapse of a preset equalization processing time period, discharge of all the battery cells is stopped. The equalization processing time period is set based on a rate of change in the SOC of the battery cell subjected to discharge and a rate of change in the SOC of the battery cell not subjected to discharge such that a magnitude relationship between the SOC of the battery cell having the SOCmin and the SOC of another battery cell is not reversed.

Abstract: Disclosed are a lens actuator and a camera module having the lens actuator. The lens actuator, which includes: a housing; a magnet installed in the housing; a lens holder supporting a lens and installed to ascend and descend in the housing; a spring coupled to the lens holder and supported by the housing to elastically support the lens holder; and a coil coupled to the lens holder in such a way that the coil faces the magnet, a lead line of the coil being interposed between the lens holder and the spring, forms an electric connection structure between the coil and the spring that durable against shocks and humidity, improving the reliability of electric connection, and simplifies the connection structure between the spring and the coil, making it easier to manufacture the lens actuator.

Abstract: Disclosed are a lens actuator and a camera module having the lens actuator. The lens actuator, which includes: a housing; a magnet installed in the housing; a lens holder supporting a lens and installed to ascend and descend in the housing; a spring coupled to the lens holder and supported by the housing to elastically support the lens holder; and a coil coupled to the lens holder in such a way that the coil faces the magnet, a lead line of the coil being interposed between the lens holder and the spring, forms an electric connection structure between the coil and the spring that durable against shocks and humidity, improving the reliability of electric connection, and simplifies the connection structure between the spring and the coil, making it easier to manufacture the lens actuator.

Abstract: A power supply device includes a battery 1, positive and negative-side contactors 3A and 3B, and a controller 10. The battery 1 supplies power to a load 20. The positive-side contactor 3A is serially connected to the positive side of the battery 1. The negative-side contactor 3B is serially connected to the negative side of the battery 1. The controller 10 determines whether the load 20 connected to the output sides of the positive-side contactor 3A and the negative-side contactor 3B is in a connected or non-contact state. The controller 10 includes a voltage detecting circuit 12 that detects the capacitor voltage of a capacitor 21 connected to the output sides of the positive-side contactor 3A and the negative-side contactor 3B, and a determination circuit 13 that compares the detected voltage with a predetermined voltage and determines the connected state of the load 20.

Abstract: A battery ECU acquires open circuit voltages of a plurality of battery cells that are divided into a plurality of groups A, B, C using a plurality of detecting units, and calculates SOCs of the battery cells based on the open circuit voltages. Then, the battery ECU selects the group to which the battery cell having the largest SOC among the SOCs of the plurality of battery cells belongs, and selects the battery cell to be discharged in the selected group. A series circuit composed of a resistor and a switching element is connected in parallel with each battery cell. The battery ECU turns on the switching element corresponding to the selected battery cell. At this time, the battery cell is connected to the resistor, thus being discharged.

Abstract: An SOC of each battery cell is periodically detected, and an SOCmin and an SOCmax are determined. Battery cells having the SOCs larger than SOCmin+? are selectively discharged. After an elapse of a preset equalization processing time period, discharge of all the battery cells is stopped. The equalization processing time period is set based on a rate of change in the SOC of the battery cell subjected to discharge and a rate of change in the SOC of the battery cell not subjected to discharge such that a magnitude relationship between the SOC of the battery cell having the SOCmin and the SOC of another battery cell is not reversed.

Abstract: The battery system has a current detection circuit 2, an amplifier 6, and a detection circuit 7 that detects the current flowing through batteries 1 from amplifier 6 output. The current detection circuit 2 is provided with a voltage source circuit 8 that supplies a test voltage to the input-side of the amplifier 6. Current detection lines 10 connect the current detection resistor 5 to the input-side of the amplifier 6, and the detection circuit 7 stores a reference voltage corresponding to the current detection lines 10 in the connected state. When the voltage source circuit 8 supplies the test voltage to the input-side of the amplifier 6, the detection circuit 7 compares the amplifier 6 output voltage with the reference voltage. The detection circuit 7 detects an open-circuit in the current detection lines 10 by the shift in voltage from the reference voltage.