Abstract: The present disclosure relates to methods and associated systems for managing a plurality of device-exchange stations. The method includes, for example, (1) receiving empirical information regarding exchanges of energy storage devices from each of the plurality of device-exchange stations in an initial time period; (2) determining a target time period; (3) identifying a plurality of reference factors and associated weighting values based on empirical information regarding exchanges of energy storage devices; (4) determining demand information during the target time period for each of the plurality of device-exchange stations during the target time period for each of the device-exchange stations; and (5) forming a plurality of charging plans for each of the plurality of device-exchange stations according to demand information during the target time period.

Abstract: The present disclosure relates to methods and associated systems for operating a battery exchange station. The present technology (1) receives battery information from a memory attached to each of a plurality of exchangeable batteries positioned in the battery exchange station; (2) receives a battery demand prediction associated with the battery exchange station; and (3) identifying one or more uninterruptible-power-supply (UPS) batteries from the plurality of exchangeable batteries at least partially based in part on the battery demand prediction and individual state of charges (SoCs) of the plurality of exchangeable batteries.

Abstract: A caster brake device includes a brake gear, receiving unit, driving unit, elastic element and operating unit connected to the driving unit. The brake gear is disposed at an axle or wheel of a mobile carrier. Stop slots are disposed at the brake gear circumferentially. The receiving unit has a penetrating recess corresponding in position to the stop slots. The driving unit is disposed in the receiving unit and includes a penetrating portion corresponding in position to the penetrating recess and a stop spindle penetrating the penetrating recess and the penetrating portion. Two ends of the stop spindle correspond in position to the stop slots and thus are movably confined to the penetrating recess to enter or exit the stop slots. The elastic element has two ends abutting against the receiving unit and driving unit, respectively, to enable the stop spindle to undergo reciprocating motion within the penetrating recess.

Abstract: The present disclosure relates to methods and associated systems for providing two energy storage devices positioned in a device-exchange station. The method includes, for example, (1) receiving a request for retrieving two energy storage devices in the device-exchange station; (2) selecting a first energy storage device from a plurality of energy storage devices positioned in the device-exchange station based on characteristic information of each of the energy storage devices; (3) selecting a second energy storage device from the rest of the plurality of energy storage devices positioned in the device-exchange station based on the characteristic information of the first energy storage device and the rest of the plurality of energy storage devices; and (4) releasing the first and second energy storage device.

Abstract: The present disclosure relates to methods and associated systems for maintaining energy storage devices positioned in a device-exchange station. The method includes, for example, (1) periodically sending, by the device-exchange station, a request to a battery management system (BMS) associated with an energy storage device positioned in the device-exchange station; (2) receiving, by the device-exchange station, maintenance information from the BMS; and (3) in response to the maintenance information, determine whether to perform a maintenance action.

Abstract: The present disclosure relates to methods and associated systems for charging exchangeable energy storage devices positioned in a device-exchange station. The method includes, for example, (1) receiving demand information; (2) determining a charging plan for the device-exchange station at least partially based on a state-of-charge (SoC) of each of the exchangeable energy storage devices positioned in the device-exchange station, the demand information, and a charging threshold for each of the exchangeable energy storage devices positioned in the device-exchange station; (3) generating a charging command for each of the exchangeable energy storage devices based on the charging rule for each of the exchangeable energy storage devices; and (4) transmitting the charging commands to the device-exchange station.

Abstract: The present disclosure relates to methods and associated systems for managing a plurality of device-exchange stations. The method includes, for example, (1) determining a score for each of the plurality of device-exchange stations based on an availability of energy storage devices positioned in each of the device-exchange stations; (2) determining a sequence of the plurality of device-exchange stations based on the score of each of the device-exchange stations; and (3) determining a price rate for each of the device-exchange stations by mapping the sequence of the device-exchange stations to a characteristic curve corresponding to a distribution of the price rate.

Abstract: The present disclosure relates to methods and associated systems for managing a plurality of device-exchange stations. The method includes, for example, (1) receiving empirical information regarding exchanges of energy storage devices from each of the plurality of device-exchange stations in an initial time period; (2) determining a target time period; (3) identifying a plurality of reference factors and associated weighting values based on empirical information regarding exchanges of energy storage devices; (4) determining demand information during the target time period for each of the plurality of device-exchange stations during the target time period for each of the device-exchange stations; and (5) forming a plurality of charging plans for each of the plurality of device-exchange stations according to demand information during the target time period.

Abstract: The present disclosure relates to methods and associated systems for managing energy storage devices positioned in a device-exchange station. The method includes, for example, (1) receiving, by the device-exchange station from a server, information indicative of at least one characteristic associated with the energy storage devices; (2) selecting, by the device-exchange station, at least one energy storage device based on the at least one characteristic; and (3) adjusting the swapping priority of the at least one selected energy storage device.

Abstract: The present disclosure relates to methods and associated systems for managing a battery-exchange station. The method includes (1) receiving, from a server, demand information for the battery-exchange station corresponding to a first time period; and (2) forming a charging plan for a plurality of batteries positioned in the battery-exchange station corresponding to the first time period based on a first instruction set stored in the battery-exchange station and the demand information corresponding to the first time period. The first instruction set includes one or more charging rules and information indicative of assigning the one or more charging rules to each of the batteries positioned in the battery-exchange station. The charging plan comprises one or more assigned charging rules for each of the batteries positioned in the battery-exchange station.

Abstract: The present disclosure relates to methods and associated systems for charging exchangeable energy storage devices positioned in a device-exchange station. The method includes, for example, (1) receiving demand information; (2) determining a charging plan for the device-exchange station at least partially based on a state-of-charge (SoC) of each of the exchangeable energy storage devices positioned in the device-exchange station, the demand information, and an available power of the device-exchange station; (3) generating a charging command for each of the exchangeable energy storage devices based on the charging rule for each of the exchangeable energy storage devices; and (4) transmitting the charging commands to the device-exchange station.

Abstract: A caster brake device includes a brake gear, receiving unit, driving unit, elastic element and operating unit connected to the driving unit. The brake gear is disposed at an axle or wheel of a mobile carrier. Stop slots are disposed at the brake gear circumferentially. The receiving unit has a penetrating recess corresponding in position to the stop slots. The driving unit is disposed in the receiving unit and includes a penetrating portion corresponding in position to the penetrating recess and a stop spindle penetrating the penetrating recess and the penetrating portion. Two ends of the stop spindle correspond in position to the stop slots and thus are movably confined to the penetrating recess to enter or exit the stop slots. The elastic element has two ends abutting against the receiving unit and driving unit, respectively, to enable the stop spindle to undergo reciprocating motion within the penetrating recess.

Abstract: An earphone including a housing, a first speaker and an audio outlet is provided. The housing includes an insertion end and a main body. The insertion end is into the entrance of a user's ear when worn by the user, and the main body extends from the insertion end and defines an auricle contact surface and an external connecting surface opposite to the auricle contact surface. The auricle contact surface faces the user's auricle and the external connecting surface communicates to the external environment when the earphone is worn. The first speaker is contained within the main body to divide into a front chamber and a first rear chamber. A part of the first rear chamber is adjacent to the auricle contact surface. A sound output surface of the first speaker faces the external connecting surface. The audio outlet is formed in the insertion end to let out the sound.

Abstract: An earphone including a housing, a first speaker and an audio outlet is provided. The housing includes an insertion end and a main body. The insertion end is into the entrance of a user's ear when worn by the user, and the main body extends from the insertion end and defines an auricle contact surface and an external connecting surface opposite to the auricle contact surface. The auricle contact surface faces the user's auricle and the external connecting surface communicates to the external environment when the earphone is worn. The first speaker is contained within the main body to divide into a front chamber and a first rear chamber. A part of the first rear chamber is adjacent to the auricle contact surface. A sound output surface of the first speaker faces the external connecting surface. The audio outlet is formed in the insertion end to let out the sound.

Abstract: An active antenna module is disclosed. The active antenna module comprises a loop antenna, a RF transistor, a LR series circuit, a first bypass capacitor and a second bypass capacitor. The RF transistor comprises a control port, a first port, and a second port. Each of two ends of the loop antenna is electrically connected to one of the control port and the second port, and the control port and the second port are out of phase. The second port is electrically connected to the first port via the first bypass capacitor. The first port is electrically connected to ground via the LR series circuit. The second bypass capacitor and a resistor of the LR series circuit are connected in parallel.

Abstract: A lighting device includes a microwave sensor for adjusting its sensing range based on a range gate selected from multiple range gates. An active antenna module transmits first FMCW signal toward a target based on the selected range gate and for receiving second FMCW signal reflected from the target. The microwave sensor demodulates the first FMCW signal and the second FMCW signal to generate beat frequency signal. Then another demodulator demodulates the beat frequency signal to generate Doppler signal. The microwave sensor calculates a range between the microwave sensor and the target based on the beat frequency signal, calculates velocity of the target according to frequency of the Doppler signal, and determine whether to generate triggering signal according to the calculated velocity and the calculated range, when the object located within the range gate. The power module enables a lamp based on the triggering signal.

Abstract: A microwave sensor adjusts its sensing range based on a range gate selected from multiple range gates. An active antenna module transmits a first FMCW signal toward a target based on the selected range gate and for receiving second FMCW signal reflected from the target. A modulating module is used for generating modulation signal. The bandwidth of the first FMCW signal depends on an amplitude of the modulation signal. A first demodulator is used for demodulating the first FMCW signal and the second FMCW signal to generate beat frequency. A second demodulator is used to demodulate the beat frequency signal to generate a Doppler signal. An indentifying circuit is used for generating a triggering signal based on a voltage difference between integral of the Doppler signal from an object within the rage gate and an integral of clutter.

Abstract: A microwave sensor is disclosed. The microwave sensor includes an active antenna module, a first low pass filter, a second demodulator, a modulation module, and a discrimination control module. The active antenna module is utilized for transmitting a first FMCW signal towards a target and receiving a second FMCW signal reflected back from the target according to a sweep period. The active antenna module includes a loop antenna and a radio frequency transistor. The first low pass filter and the radio frequency transistor form a first demodulator. The first demodulator and the second demodulator perform two-stage down converting and demodulating to extract information for calculating range and velocity, respectively. The present invention adjusts a radio frequency bandwidth of the FMCW signal by first adjusting an amplitude of a modulation signal generated by the modulation module to control various detection ranges.

Abstract: A microwave sensor adjusts its sensing range based on a range gate selected from multiple range gates. An active antenna module transmits a first FMCW signal toward a target based on the selected range gate and for receiving second FMCW signal reflected from the target. A modulating module is used for generating modulation signal. The bandwidth of the first FMCW signal depends on an amplitude of the modulation signal. A first demodulator is used for demodulating the first FMCW signal and the second FMCW signal to generate beat frequency. A second demodulator is used to demodulate the beat frequency signal to generate a Doppler signal. An indentifying circuit is used for generating a triggering signal based on a voltage difference between integral of the Doppler signal from an object within the rage gate and an integral of clutter.

Abstract: A lighting device includes a microwave sensor for adjusting its sensing range based on a range gate selected from multiple range gates. An active antenna module transmits first FMCW signal toward a target based on the selected range gate and for receiving second FMCW signal reflected from the target. The microwave sensor demodulates the first FMCW signal and the second FMCW signal to generate beat frequency signal. Then another demodulator demodulates the beat frequency signal to generate Doppler signal. The microwave sensor calculates a range between the microwave sensor and the target based on the beat frequency signal, calculates velocity of the target according to frequency of the Doppler signal, and determine whether to generate triggering signal according to the calculated velocity and the calculated range, when the object located within the range gate. The power module enables a lamp based on the triggering signal.