Abstract: A charging system for charging an electric vehicle battery, including a charging inlet connected to an external direct current (DC) charging station providing a predefined charging inlet voltage, a battery having a nominal voltage of 400V or 800V connected to the charging inlet, the battery including two 400V-battery units, and a voltage outlet, the voltage outlet supplying an output voltage to an auxiliary component connected to the voltage outlet having a nominal voltage corresponding to the nominal voltage of the battery, a DC/DC converter converting the charging inlet voltage into the nominal voltage of the auxiliary component, and at least three circuit breakers being arranged to connect the two 400V-battery units to form a charging circuit having a nominal charging voltage corresponding to the supplied charging inlet voltage and/or to selectively integrate the DC/DC converter into the charging circuit to provide the auxiliary component with the nominal voltage during charging.

Abstract: A method for providing awareness of objects located in a path of a vehicle. The method includes capturing data on an external environment using at least one perception sensor. The method further includes detecting one or more objects in the path of the vehicle based on the data that is captured. The method further includes estimating locations of the one or more objects in the path of the vehicle. The method further includes presenting one or more virtual objects using at least one display positioned inside the vehicle, where the one or more virtual objects represent the one or more objects that are detected.

Abstract: There is disclosed an antenna circuitry for a radio node, the antenna circuitry being connected or connectable to an antenna arrangement having a plurality of antenna subarrays, the antenna circuitry having a plurality of local oscillators in which each of the local oscillators is connected to at least one of the antenna subarrays. The antenna circuitry is adapted for performing calibration of local oscillators based on calibration signalling transmitted by a transmitting subarray associated to a first local oscillator and received by at least one receiving subarray. The receiving subarray is associated to a second local oscillator different from the first local oscillator. The disclosure also pertains to related devices and methods.

Abstract: There is disclosed antenna circuitry for a radio node, the antenna circuitry being connected or connectable to, and/or included in, an antenna arrangement having a plurality of antenna subarrays, the antenna circuitry being adapted to connect each of a plurality of Digital-to-Analog Converters, DACs, and/or Analog-to Digital Converters, ADCs, to a different one of the plurality of antenna subarrays for signal transmission; The antenna circuitry has a calibration network, the calibration network being adapted to provide signalling from one or more of the DACs to one or more of the ADCs. The disclosure also pertains to related devices and methods.

Abstract: Devices, systems, methods, computer-implemented methods, and/or computer program products to facilitate an intelligent battery cell with integrated monitoring and switches are provided. According to an embodiment, a device can comprise active battery cell material. The device can further comprise an internal circuit coupled to the active battery cell material and comprising: one or more switches coupled to battery cell poles of the device; and a processor that operates the one or more switches to provide a defined value of electric potential at the battery cell poles.

Abstract: A battery control assembly for a battery system. The battery control assembly includes a plurality of cell-level control units, each including a cell-level switching unit being operable as a cell-level inverter. The plurality of cell-level control units are arranged in three control unit strings and the cell-level control units of each control unit string are electrically connected in series. First ends of each control unit string are electrically connected to a corresponding AC charging terminal. Second ends of the control unit strings are electrically connected in series via a first end switch and a second end switch. Moreover, at least one of the control unit strings includes an inner connection terminal. Furthermore, an electric drivetrain for an electric vehicle having such a battery control assembly is presented.

Abstract: Devices, systems, methods, computer-implemented methods, and/or computer program products to facilitate an intelligent battery cell with integrated monitoring and switches are provided. According to an embodiment, a device can comprise active battery cell material. The device can further comprise an internal circuit coupled to the active battery cell material and comprising: one or more switches coupled to battery cell poles of the device; and a processor that operates the one or more switches to provide a defined value of electric potential at the battery cell poles.

Abstract: Devices, systems, methods, computer-implemented methods, and/or computer program products to facilitate an intelligent battery cell with integrated monitoring and switches are provided. According to an embodiment, a device can comprise active battery cell material. The device can further comprise an internal circuit coupled to the active battery cell material and comprising: one or more switches coupled to battery cell poles of the device; and a processor that operates the one or more switches to provide a defined value of electric potential at the battery cell poles.

Abstract: Devices, systems, methods, computer-implemented methods, and/or computer program products to facilitate an intelligent battery cell with integrated monitoring and switches are provided. According to an embodiment, a device can comprise active battery cell material. The device can further comprise an internal circuit coupled to the active battery cell material and comprising: one or more switches coupled to battery cell poles of the device; and a processor that operates the one or more switches to provide a defined value of electric potential at the battery cell poles.

Abstract: A propulsion system for an electric vehicle comprising a high voltage battery unit having a first high voltage battery connected in series with a second high voltage battery, which may also be referred to as a first and second battery bank, and one or more power inverters arranged to connect the battery banks to one or more electric machines. The one or more power inverters and the one or more electric machines are configured to form a first and a second three-phase system. The described architecture incorporating dual battery banks, and dual and/or multiphase inverters and electric machines can provide enhanced redundancy and limp home functionality in cases where a fault or error occurs in the inverter and/or in the electric machine so that a faulty three-phase system can be operated in a safe-state mode.

Abstract: A battery assembly for an electric vehicle including a first battery unit, a DC/DC converter, and a battery receptacle for selectively receiving a second battery unit. The first battery unit is electrically connected to the DC/DC converter. Moreover, a first electric connection interface is positioned in the battery receptacle and is electrically connected to the DC/DC converter. Additionally, a vehicle including such a battery assembly is presented. Furthermore, a method for operating an electric vehicle is explained. A first operational mode includes electrically connecting the first battery unit to an electric traction machine and electrically connecting the second battery unit to the first battery unit. A second operational mode includes electrically connecting the second battery unit to the electric traction machine.

Abstract: A propulsion system for an electric vehicle comprising a high voltage battery unit having a first high voltage battery connected in series with a second high voltage battery, which may also be referred to as a first and second battery bank, and one or more power inverters arranged to connect the battery banks to one or more electric machines. The one or more power inverters and the one or more electric machines are configured to form a first and a second three-phase system. The described architecture incorporating dual battery banks, and dual and/or multiphase inverters and electric machines can provide enhanced redundancy and limp home functionality in cases where a fault or error occurs in the inverter and/or in the electric machine so that a faulty three-phase system can be operated in a safe-state mode.

Abstract: A battery control assembly for a battery system. The battery control assembly includes a plurality of cell-level control units, each including a cell-level switching unit being operable as a cell-level inverter. The plurality of cell-level control units are arranged in three control unit strings and the cell-level control units of each control unit string are electrically connected in series. First ends of each control unit string are electrically connected to a corresponding AC charging terminal. Second ends of the control unit strings are electrically connected in series via a first end switch and a second end switch. Moreover, at least one of the control unit strings includes an inner connection terminal. Furthermore, an electric drivetrain for an electric vehicle having such a battery control assembly is presented.

Abstract: A propulsion system for an electric vehicle comprising a high voltage battery unit having a first high voltage battery connected in series with a second high voltage battery, which may also be referred to as a first and second battery bank, and one or more power inverters arranged to connect the battery banks to one or more electric machines. The one or more power inverters and the one or more electric machines are configured to form a first and a second three-phase system. The described architecture incorporating dual battery banks, and dual and/or multiphase inverters and electric machines can provide enhanced redundancy and limp home functionality in cases where a fault or error occurs in the inverter and/or in the electric machine so that a faulty three-phase system can be operated in a safe-state mode.

Abstract: A charging system for charging an electric vehicle battery, including a charging inlet connected to an external direct current (DC) charging station providing a predefined charging inlet voltage, a battery having a nominal voltage of 400V or 800V connected to the charging inlet, the battery including two 400V-battery units, and a voltage outlet, the voltage outlet supplying an output voltage to an auxiliary component connected to the voltage outlet having a nominal voltage corresponding to the nominal voltage of the battery, a DC/DC converter converting the charging inlet voltage into the nominal voltage of the auxiliary component, and at least three circuit breakers being arranged to connect the two 400V-battery units to form a charging circuit having a nominal charging voltage corresponding to the supplied charging inlet voltage and/or to selectively integrate the DC/DC converter into the charging circuit to provide the auxiliary component with the nominal voltage during charging.

Abstract: Devices, systems, methods, computer-implemented methods, and/or computer program products to facilitate an intelligent battery cell with integrated monitoring and switches are provided. According to an embodiment, a device can comprise active battery cell material. The device can further comprise an internal circuit coupled to the active battery cell material and comprising: one or more switches coupled to battery cell poles of the device; and a processor that operates the one or more switches to provide a defined value of electric potential at the battery cell poles.

Abstract: Devices, systems, methods, computer-implemented methods, and/or computer program products to facilitate an intelligent battery cell with integrated monitoring and switches are provided. According to an embodiment, a device can comprise active battery cell material. The device can further comprise an internal circuit coupled to the active battery cell material and comprising: one or more switches coupled to battery cell poles of the device; and a processor that operates the one or more switches to provide a defined value of electric potential at the battery cell poles.

Abstract: Devices, systems, methods, computer-implemented methods, and/or computer program products to facilitate an intelligent battery cell with integrated monitoring and switches are provided. According to an embodiment, a device can comprise active battery cell material. The device can further comprise an internal circuit coupled to the active battery cell material and comprising: one or more switches coupled to battery cell poles of the device; and a processor that operates the one or more switches to provide a defined value of electric potential at the battery cell poles.

Abstract: Devices, systems, methods, computer-implemented methods, and/or computer program products to facilitate an intelligent battery cell with integrated monitoring and switches are provided. According to an embodiment, a device can comprise active battery cell material. The device can further comprise an internal circuit coupled to the active battery cell material and comprising: one or more switches coupled to battery cell poles of the device; and a processor that operates the one or more switches to provide a defined value of electric potential at the battery cell poles.

Abstract: A high voltage electrical system for a vehicle, the system comprising: a high voltage battery unit having a first high voltage battery connected in series with a second high voltage battery such that a nominal operating voltage of the battery unit is the sum of a voltage of the first high voltage battery and a voltage of the second high voltage battery; a bi-directional high voltage DC/DC-converter connected in parallel with the first high voltage battery and with the second high voltage battery, the DC/DC-converter being arranged to receive a charging voltage from a high voltage inlet or from a propulsion converter connected to an electrical machine; wherein the DC/DC converter is configured to control charging of the first and second high voltage battery to balance a state of charge of the first and second high voltage battery.