Abstract: A wireless communication method includes receiving, by a wireless communication device from a network, at least one port parameter, determining, by the wireless communication device, at least one uplink codebook parameter, and determining, by the wireless communication device, a precoder for an uplink transmission based on the at least one uplink codebook parameter and the at least one port parameter.

Abstract: Presented are systems and methods for uplink frequency selective precoding. A wireless communication device may receive a first signaling from the wireless communication node. The first signaling may include a plurality of precoding information associated with a plurality of port groups. The wireless communication device may determine signals precoded according to the plurality of precoding information. The wireless communication device may transmit the signals to the wireless communication node.

Abstract: Disclosed are a point cloud encoding and decoding method and device based on a two-dimensional regularization plane projection. The encoding method includes: acquiring original point cloud data; performing two-dimensional regularization plane projection on the original point cloud data to obtain a two-dimensional projection plane structure; obtaining a plurality of pieces of two-dimensional image information according to the two-dimensional projection plane structure; and encoding the plurality of pieces of two-dimensional image information to obtain code stream information.

Abstract: An electrified vehicle and associated inverter configured for powering two different types of external loads include first and second phase/line legs combined with a first neutral leg coupled to a vehicle chassis, and a second floating neutral leg that is not coupled to the vehicle chassis. The first/second phase legs and first neutral leg are coupled to a first receptacle configured to receive a corresponding plug to power a first load, such as a power tool or accessory. The first/second phase legs and the second neutral leg are coupled to a second receptacle configured to receive a corresponding plug to power a second load, such as a home or building having an earth grounding electrode. The inverter may include an isolation transformer between the loads and the traction battery, and/or may be configured to provide single phase, split-phase, or three-phase power for either or both of the neutral connections.

Abstract: The invention pertains to the field of catalysts. Disclosed is a method for preparing an oxygen reduction catalyst employing graphite of a negative electrode of a waste battery. The method comprises the following steps: (1) recovering graphite slag from a waste battery, then performing heat treatment on the graphite slag; (2) performing ball-milling and mixing on the treated graphite slag, an iron salt, and a nitrogenous organic compound to acquire a catalyst precursor; (3) performing carbonization treatment on the catalyst precursor in an inert gas atmosphere to acquire a carbon-based mixture comprising iron and nitrogen; and (4) dissolving the carbon-based mixture comprising iron and nitrogen in an acid solution, performing filtration and drying, performing carbonization treatment again in an inert gas atmosphere, so as to acquire an oxygen reduction catalyst employing graphite of a negative electrode of a waste battery.

Abstract: An electrified vehicle and associated inverter configured for powering two different types of external loads include first and second phase/line legs combined with a first neutral leg coupled to a vehicle chassis, and a second floating neutral leg that is not coupled to the vehicle chassis. The first/second phase legs and first neutral leg are coupled to a first receptacle configured to receive a corresponding plug to power a first load, such as a power tool or accessory. The first/second phase legs and the second neutral leg are coupled to a second receptacle configured to receive a corresponding plug to power a second load, such as a home or building having an earth grounding electrode. The inverter may include an isolation transformer between the loads and the traction battery, and/or may be configured to provide single phase, split-phase, or three-phase power for either or both of the neutral connections.

Abstract: The invention pertains to the field of catalysts. Disclosed is a method for preparing an oxygen reduction catalyst employing graphite of a negative electrode of a waste battery. The method comprises the following steps: (1) recovering graphite slag from a waste battery, then performing heat treatment on the graphite slag; (2) performing ball-milling and mixing on the treated graphite slag, an iron salt, and a nitrogenous organic compound to acquire a catalyst precursor; (3) performing carbonization treatment on the catalyst precursor in an inert gas atmosphere to acquire a carbon-based mixture comprising iron and nitrogen; and (4) dissolving the carbon-based mixture comprising iron and nitrogen in an acid solution, performing filtration and drying, performing carbonization treatment again in an inert gas atmosphere, so as to acquire an oxygen reduction catalyst employing graphite of a negative electrode of a waste battery.

Abstract: A system for a vehicle includes a converter configured to, responsive to a first signal from a first adaptor indicating a first plug type having a first electrical parameter configuration, output power to the adaptor according to the first electrical parameter configuration, and responsive to a second signal from a second adaptor indicating a second plug type having a second electrical parameter configuration, output power to the adaptor according to the second configuration.

Abstract: A vehicle system includes a converter, outlets, and a switching arrangement electrically between the outlets and the converter. A controller is programmed to, responsive to a first request, operate the switching arrangement to electrically connect a line and a neutral to a first outlet and operate the converter to output single-phase power to the first outlet. Responsive to a second request, the controller is configured to operate the switching arrangement to electrically connect a plurality of lines and not the neutral to a second outlet, and operate the converter to output three-phase power to the second outlet.

Abstract: A vehicle includes a pair of power converters. The vehicle includes a socket having an array of power terminals arranged to accept outlets of different power terminal configurations to interconnect the pair therewith. The vehicle includes a panel having an outlet engaged with the socket. The panel includes a controller configured to communicate an electrical rating of the outlet via the socket to define a switching scheme for the pair. The communication is responsive to detecting panel and socket engagement.

Abstract: A vehicle includes a power-electronics converter and an electrical outlet in electric communication with the power-electronics converter and configured to power external loads. The vehicle includes at least one electrical outlet including at least a first socket configured to power a first category of external loads and a second socket configured to power a second category of external loads. The vehicle is configured to only power one of the first and second loads at a time. This may be accomplished using physical features or electronically.

Abstract: A vehicle includes an electric machine, an IGBT, and a gate driver. The IGBT has a gate, an emitter, and a collector and is configured to flow an electric charge through a phase of the electric machine. The gate driver is configured to flow current onto the gate at a first level, and in response to a time integral of a voltage across the phase exceeding a predetermined level, transition from the first level to a second level less than the first level.

Abstract: A vehicle system includes a controller programmed to receive power outlet data from an interchangeable outlet panel via a communication channel and operate an inverter to supply power to the interchangeable outlet panel via a power interface according the power outlet data.

Abstract: A power converter cartridge for a vehicle includes a housing slidably insertable into a body cavity of the vehicle and including electrical outlets and coolant, data, and power interface ports configured to connect to corresponding ports of the cavity, a converter, and a controller configured to, responsive to a signal from the vehicle via the data port, cause the converter to convert power received from a traction battery of the vehicle via the power interface port to supply corresponding external loads connected to the outlets.

Abstract: A vehicle includes a power-electronics converter and an electrical outlet in electric communication with the power-electronics converter and configured to power external loads. The vehicle includes at least one electrical outlet including at least a first socket configured to power a first category of external loads and a second socket configured to power a second category of external loads. The vehicle is configured to only power one of the first and second loads at a time. This may be accomplished using physical features or electronically.

Abstract: A system and method for powering an electrical load. The system and method including a first inverter for converting a first DC power provided from a battery within a vehicle to a first AC power. The system and method also including a rectifier that includes an input connected to a secondary winding of a transformer. The rectifier also having an output connected to at least two capacitors. The rectifier and capacitors converting the first AC power to a second DC power. The system and method also including an inverter for converting the second DC power to an output AC power that is supplied to a split-phase output. The system and method also connecting one leg of the split-phase output between the at least two capacitors and to a center tap of the transformer to modify a voltage amplitude of the second DC power.

Abstract: A vehicle power system includes a power converter including one or more phase leg lines and a negative rail line. The system also includes a controller that operates the power converter to flow current through some of the phase leg lines and the negative rail line to output DC power, and operates the power converter to flow current through the some of the phase leg lines and not the negative rail line to output AC power.

Abstract: A vehicle includes an inverter configured to power an external device. The vehicle further includes a controller programmed to cause the inverter to output a voltage at a steady-state amplitude and a steady-state frequency and, responsive to detecting an inrush current event in progress that is caused by the external device, operate the inverter to reduce the voltage to prevent an overcurrent. The controller is programmed to identify the type of load connected and return the voltage to the steady-state amplitude and steady-state frequency based on the type of load.

Abstract: An exemplary charging system includes, among other things, a first portable charger that electrically couples to an electrified vehicle to charge a traction battery of the electrified vehicle while a second portable charger is providing electrical energy to charge the traction battery. An exemplary charging method includes, among other things, electrically coupling both a first and a second portable charger to an electrified vehicle to charge a traction battery of the electrified vehicle using electrical energy from both the first and the second portable chargers.

Abstract: A vehicle includes an inverter configured to power an external device. The vehicle further includes a controller programmed to cause the inverter to output a voltage at a steady-state amplitude and a steady-state frequency and, responsive to detecting an inrush current event in progress that is caused by the external device, operate the inverter to reduce the voltage to prevent an overcurrent. The controller is programmed to identify the type of load connected and return the voltage to the steady-state amplitude and steady-state frequency based on the type of load.