An upper limit value of discharging power of a battery mounted on a moving object is made larger when a predetermined event has occurred than when it has not occurred.

An upper limit value of discharging power of a battery mounted on a moving object is made larger when a predetermined event has occurred than when it has not occurred.

A power supply system includes a first power circuit coupled to a capacity-type first battery and a drive motor, a second power circuit coupled to an output-type second battery, a voltage converter that converts a voltage between the first power circuit and the second power circuit, and a converter ECU and a management ECU that operate the voltage converter to control converter passing power in the voltage converter. The management ECU sets, when a first SOC that is a percentage of charge in the first battery is less than a predetermined lamp-on threshold and a first maximum output P1_lim that is a maximum output of the first battery is more them a predetermined output threshold Pe0 maximum converter passing power Pcnv_max corresponding to maximum power with respect to the converter passing power to 0 to prohibit discharging of the second battery.

A driving control method and apparatus for a vehicle, and a vehicle are provided, and relate to the field of vehicle control. The vehicle includes at least two carriages, and the driving control method includes the following steps: obtaining battery level information of a power battery corresponding to each of the carriages; obtaining at least one of a level allocated to each carriage or a payload allocated to each carriage according to the battery level information of the power battery corresponding to each carriage; and obtaining an output torque of each carriage according to the at least one of the level allocated to each carriage or the payload allocated to each carriage.

A control device that controls an in-vehicle battery and a charger in a demand and supply control system is configured to obtain total demand for electric power or the like generated in in-vehicle equipment, determine whether or not the total demand is able to be satisfied with electric power or the like suppliable from the in-vehicle battery, when the total demand is not able to be satisfied solely with the in-vehicle battery, and bring the charger into a drive state in a case where the total demand is able to be satisfied with total electric power or the like suppliable from the in-vehicle battery and the charger.

A management apparatus includes an acquisition unit configured to acquire battery information regarding a secondary battery mounted on a vehicle and vehicle information regarding traveling of the vehicle from the vehicle, a first identification unit configured to identify a state of the secondary battery by applying the battery information to a battery state identification model for identifying the state of the secondary battery, a second identification unit configured to identify a state of the vehicle by applying the vehicle information to a vehicle state identification model for identifying the state of the vehicle, and a control unit configured to control transmission and reception of electric power between an electric power system and the secondary battery on the basis of the state of the secondary battery identified by the first identification unit and the state of the vehicle identified by the second identification unit.

A management apparatus includes an acquisition unit configured to acquire battery information regarding a secondary battery mounted on a vehicle and vehicle information regarding traveling of the vehicle from the vehicle, a first identification unit configured to identify a state of the secondary battery by applying the battery information to a battery state identification model for identifying the state of the secondary battery, a second identification unit configured to identify a state of the vehicle by applying the vehicle information to a vehicle state identification model for identifying the state of the vehicle, and a control unit configured to control transmission and reception of electric power between an electric power system and the secondary battery on the basis of the state of the secondary battery identified by the first identification unit and the state of the vehicle identified by the second identification unit.

A controller generates a first command for battery array sensors to sense voltages of battery cell arrays of a traction battery, and generates a second command to sample a value of current through the traction battery at a time following the first command that is defined by durations of analog to digital conversion operations of some of the battery array sensors and an analog to digital conversion operation associated with sampling the value.

A battery device includes a battery unit which has a plurality of batteries connected in series; first and second lines each led from a cathode and an anode of the battery unit; first and second semiconductor switch elements which are inserted into the first line; a driver configured to generate a drive signal to turn off one of the first and second semiconductor switch elements when a protective operation is performed; a third semiconductor switch element which is inserted between a gate of at least one of the first and second semiconductor switch elements and an intermediate voltage point of the battery unit; and a semiconductor switch controller including a detector configured to turn on the third semiconductor switch element when the drive signal is detected and to apply a potential smaller than a source potential to a gate of one of the first.

In a power supply system, a plurality of voltage converters have chargeable/dischargeable batteries connected to the respective primary sides and have respective secondary sides connected in parallel to each other. For each of the voltage converters, a voltage transformation rate is set such that the current measured by a primary side current measuring instrument is maintained within a first range between the discharge current maximum value of the batteries connected to the primary sides and the charge current maximum value of the batteries.