Abstract: Discussed is a battery control apparatus that may include an information obtaining unit configured to obtain information about a mobility, information about a first battery configured to supply power to a module included in the mobility, and information about a second battery provided in the module and configured to supply power to the module as an auxiliary power source for the first battery based on an operation of the mobility and a controller configured to generate a control signal for controlling an operation of the first battery and an operation of the second battery based on the information about the mobility, the information about the first battery, and the information about the second battery.

Abstract: A master battery management system (BMS) used for a battery system in which a plurality of slave BMSs and the master BMS communicate wirelessly includes: a receiving unit configured to receive, from each slave BMS, data of the corresponding slave BMS and data transmission information of at least one other slave BMS except for the corresponding slave BMS among the plurality of slave BMS during one period in which each of the plurality of slave BMSs transmits data at least once; and a determination unit configured to determine a communication error or an abnormal slave BMS by using the data of the corresponding slave BMS and the at least one other slave BMS data received from each slave BMS during one period. The data transmission information of the at least one other slave BMS is information on a history that the other slave BMS transmits data.

Abstract: An energy hub apparatus includes a first communicator for receiving state of charge (SOC) information and state of health (SOH) information from a plurality of battery management systems (BMSs), each BMS monitors and controls an energy storage system (ESS) rack, a controller for determining at least one to perform discharging or charging using at least one of load output information, SOC information, and SOH information received from an external device among the plurality of ESS racks, and an energy storage for receiving power from the at least one ESS rack and transmitting the power to an external load.

Abstract: A wireless battery management system includes a plurality of slave BMSs coupled to a plurality of battery modules in one-to-one correspondence. Each slave BMS is configured to operate in active mode and sleep mode. Each slave BMS is configured to wirelessly transmit a detection signal indicating a state of the battery module. The wireless battery management system further includes a master BMS configured to wirelessly receive the detection signal from each of the plurality of slave BMSs. The master BMS is configured to set a scan cycle and a scan duration for each of the plurality of slave BMSs based on the detection signal, and wirelessly transmit a control signal to the plurality of slave BMSs. The control signal includes a wireless balancing command indicating the scan cycle and the scan duration set for each of the plurality of slave BMSs.

Abstract: A battery control system according to the present disclosure is for an electric vehicle including a vehicle controller connected between a first node and a second node, a vehicle communication unit operably coupled to the vehicle controller, an electric motor connected between the second node and a third node, and a battery pack connected between a fourth node and the second node. The battery control system provides a sub power path between the battery pack and the vehicle controller prior to providing a main power path from the battery pack to the electric motor, in response to receiving an ignition signal for the electric vehicle.

Abstract: A battery pack management device capable of reducing power consumption while transmitting and receiving data between a master BMS and a slave BMS by using a wireless communication method. The battery pack management device according to the present disclosure includes: a master BMS including an external communicator, an internal communicator, and a master controller and a slave BMS including a power supply, a state measurement sensor, a slave wireless communicator, and a slave controller.

Abstract: A master battery management system (BMS) used for a battery system in which a plurality of slave BMSs and the master BMS communicate wirelessly includes: a receiving unit configured to receive, from each slave BMS, data of the corresponding slave BMS and data transmission information of at least one other slave BMS except for the corresponding slave BMS among the plurality of slave BMS during one period in which each of the plurality of slave BMSs transmits data at least once; and a determination unit configured to determine a communication error or an abnormal slave BMS by using the data of the corresponding slave BMS and the at least one other slave BMS data received from each slave BMS during one period. The data transmission information of the at least one other slave BMS is information on a history that the other slave BMS transmits data.

Abstract: A battery pack management device capable of reducing power consumption while transmitting and receiving data between a master BMS and a slave BMS by using a wireless communication method. The battery pack management device according to the present disclosure includes: a master BMS including an external communicator, an internal communicator, and a master controller and a slave BMS including a power supply, a state measurement sensor, a slave wireless communicator, and a slave controller.

Abstract: A wireless battery management system includes a plurality of slave BMSs coupled to a plurality of battery modules in one-to-one correspondence. Each slave BMS is configured to operate in active mode and sleep mode. Each slave BMS is configured to wirelessly transmit a detection signal indicating a state of the battery module. The wireless battery management system further includes a master BMS configured to wirelessly receive the detection signal from each of the plurality of slave BMSs. The master BMS is configured to set a scan cycle and a scan duration for each of the plurality of slave BMSs based on the detection signal, and wirelessly transmit a control signal to the plurality of slave BMSs. The control signal includes a wireless balancing command indicating the scan cycle and the scan duration set for each of the plurality of slave BMSs.

Abstract: A wireless battery management system includes a plurality of slave BMSs coupled to a plurality of battery modules in one-to-one correspondence. Each slave BMS is configured to operate in active mode and sleep mode. Each slave BMS is configured to wirelessly transmit a detection signal indicating a state of the battery module. The wireless battery management system further includes a master BMS configured to wirelessly receive the detection signal from each of the plurality of slave BMSs. The master BMS is configured to set a scan cycle and a scan duration for each of the plurality of slave BMSs based on the detection signal, and wirelessly transmit a control signal to the plurality of slave BMSs. The control signal includes a wireless balancing command indicating the scan cycle and the scan duration set for each of the plurality of slave BMSs.

Abstract: Discussed is an application that efficiently utilizes a vehicle battery by predicting performance of the vehicle battery and an available driving distance based on environmental condition of an area where a vehicle is parked and state information of the vehicle battery.

Abstract: The present invention relates to a method of turning on an electric scooter by supplying power to the ECU when the interchangeable battery pack is driven by eliminating the auxiliary battery that always supplies power to the ECU that turns on the start of the electric scooter, providing an interchangeable battery packs using wireless communication type, and using a wireless communication signal received from a smart device as a driving signal of the interchangeable battery pack.

Abstract: Provided are a battery management system and a battery pack including the same. The battery management system includes a plurality of slave controllers, a plurality of temperature sensors, and a master controller. The plurality of temperature sensors are disposed in a plurality of different regions within the battery pack in a distributed fashion. The master controller is communicably coupled to the plurality of temperature sensors through a wired communication network. The master controller is communicably coupled to the plurality of slave controllers through a wireless communication network. The master controller determines a position of each of the plurality of slave controllers based on a temperature value of each region measured by the plurality of temperature sensors.

Abstract: A device and a method for equalizing and precharging a cell module, which may form a circuit for performing a corresponding operation by a converter unit by selectively connecting the converter unit and one or more cell modules by controlling a conduction state of a switching unit based on an operation which the converter intends to perform.

Abstract: A system of predicting a failure rate of a contactor before the generation of a failure by counting a lifespan index of the contactor based on normality of through-currents of a primary side and a secondary side of the contactor, and determining that a failure rate of the contactor increases when a count value for an abnormal through-current exceeds a predetermined threshold value.

Abstract: The present invention includes a battery system including a battery pack having a metal housing capable of accommodating a plurality of battery modules, a plurality of slave battery management systems configured to manage the plurality of battery modules, and a master battery management system installed outside the metal housing to wirelessly communicate with a first battery management system among the plurality of slave battery management systems, wherein the first slave battery management system which communicates with the master battery management system is installed at a boundary of the metal housing so as not to be shielded with the metal housing.

Abstract: Provided is an apparatus for assigning identification information to a plurality of slave battery management units. The apparatus assigns different identification information to a plurality of slave battery management units. The apparatus includes: a casing jig configured to at least partially cover the plurality of slave battery management units; a wireless communication unit including a plurality of antennas disposed so as to correspond one-to-one to the plurality of slave battery management units; and a controller configured to control the wireless communication unit so as to transmit a wireless signal including different identification information to the plurality of slave battery management units.

Abstract: A relay diagnosis circuit capable of diagnosing whether a relay connected to a negative electrode of a battery pack normally operates using voltage applied from a positive electrode of the battery pack.

Abstract: A battery module equalization apparatus includes a plurality of slave controllers each electrically connected to the plurality of battery modules to measure voltage values of the plurality of battery modules, and having a slave charging/discharging channel through which the current that charges and discharges each battery module flows, and a master controller that receives the voltage value of each battery module from the plurality of slave controllers, selects at least one of the plurality of slave controllers based on the received voltage value, and transmits a CHARGE or DISCHARGE command to the at least one selected slave controller, and having a master charging/discharging channel through which the charging current supplied to the at least one slave controller and the discharging current supplied from the at least one slave controller flow.

Abstract: Disclosed are a wireless battery management system and a method for protecting a battery pack using the same. The battery pack includes a plurality of battery modules and at least one relay. The wireless battery management system includes a plurality of slave controllers electrically coupled to the plurality of battery modules one-to-one, and a master controller wirelessly coupled to each slave controller so as to be able to communicate with each slave controller. Each slave controller measures an operational parameter of the battery module electrically coupled thereto. Each slave controller wirelessly transmits a fault signal to the master controller when the measured operational parameter is outside of a predetermined normal range. The master controller turns off the at least one relay when the fault signal is received.