Abstract: A cooperative control method for an energy conversion apparatus is disclosed.

Abstract: The present invention relates to the technical field of vehicles, and provides an energy conversion device and a vehicle. The energy conversion device includes a reversible pulse-width modulation (PWM) rectifier, a motor coil connected with the reversible PWM rectifier, a one-way conduction module, and a capacitor. A DC charging circuit or a DC discharging circuit is formed by an external DC port with an external battery by using the energy conversion device, and a driving circuit is formed by the external battery with the reversible PWM rectifier and the motor coil in the energy conversion device. The one-way conduction module is connected between a first end of the capacitor and a second end of the external DC port, or the one-way conduction module is connected between a second end of the capacitor and a first end of the external DC port.

Abstract: A method for controlling a multi-screen system includes acquiring a control instruction for the multi-screen system; and controlling a plurality of display screens to move according to the control instruction. The multi-screen system includes a plurality of display screens and a driving mechanism configured to drive the plurality of display screens to move in space.

Abstract: A power-drive system for a vehicle and a vehicle.

Abstract: The present disclosure relates to a vehicle thermal management system, a control method thereof, and a vehicle using same. The vehicle thermal management system includes a battery and electric drive thermal management system. The battery and electric drive thermal management system includes a first coolant flow path, a second coolant flow path, and a four-way valve. A heat exchanger, a power battery, and a first pump are disposed on the first coolant flow path. The first coolant flow path has one end connected to a first port of the four-way valve and another end connected to a second port of the four-way valve. A motor, a radiator, and a second pump are disposed on the second coolant flow path. The second coolant flow path has one end connected to a third port of the four-way valve and another end connected to a fourth port of the four-way valve.

Abstract: The present disclosure discloses a motor drive apparatus, a method for controlling the same, a vehicle, and a readable storage medium, where the control method includes: obtaining a required heating power and a required charging power; and adjusting a current value and direction of each phase current of a three-phase motor based on the required heating power, the required charging power, and an output of the motor at a zero torque, to simultaneously control a process of charging a power battery by a power supply module, the torque of the three-phase motor at a zero output, and a three-phase inverter and the three-phase motor to heat a heat exchange medium flowing through at least one of the three-phase inverter or the three-phase motor.

Abstract: This application provides a vehicle and a power battery heating apparatus and method thereof. In the power battery heating method, when a current temperature value of a power battery is lower than a preset temperature value, and a heating condition of the power battery meets a preset condition, a three-phase inverter is controlled to cause a three-phase alternating current motor to generate heat according to heating energy to heat a coolant flowing through the power battery.

Abstract: The present disclosure provides a power-drive system for a vehicle and a vehicle. The power-drive system comprises: an engine; a plurality of input shafts; a plurality of output shafts, the plurality of output shafts linking with a differential of the vehicle; a first clutch device, arranged between the engine and the plurality of input shafts, so that the engine selectively engages with at least one of the plurality of input shafts; a first motor generator, configured to link with the differential of the vehicle; and a second motor generator, wherein the second motor generator and the engine are located on an input side of the first clutch device, the plurality of input shafts is located on an output side of the first clutch device, and the second motor generator is configured to carry out stationary power generation using at least part of power of the engine when the vehicle is parked.

Abstract: An acceleration slip regulation method and device for a four-wheel drive electric vehicle are disclosed. The method comprises the following steps: detecting wheel speeds of four wheels of an electric vehicle and a depth of depression of an accelerator pedal; estimating a vehicle speed of the electric vehicle according to the wheel speeds of the four wheels, determining a road condition at the location of the electric vehicle according to the wheel speeds of the four wheels and the vehicle speed, and acquiring a required torque of the electric vehicle according to the depth of depression of the accelerator pedal, wherein the road condition comprising a low adhesion starting road, a joint road, and a bisectional road; and performing acceleration slip regulation on the four wheels respectively according to the road condition and the required torque.

Abstract: A hybrid power-driven system and a vehicle are provided. The hybrid power-driven system includes an engine, a transmission, and a motor power apparatus. The transmission includes a transmission mechanism and a main reducer. The motor power apparatus includes a motor and a power distribution mechanism. The power distribution mechanism includes a motor power distribution shaft, a mode selection apparatus, a first transmission apparatus, and a second transmission apparatus. The motor power distribution shaft is disposed independently from the transmission mechanism, and the motor power distribution shaft is disposed independently from the motor. A motor driven gear configured to receive power of the motor is disposed on the motor power distribution shaft.

Abstract: A vehicle body structure of an electric vehicle is provided, including a floor panel and a battery pack anti-collision structure. A battery pack and a motor are disposed below the floor panel, and the motor is located behind the battery pack. The battery pack anti-collision structure is disposed between the battery pack and the motor, and is configured to prevent the motor from crashing into the battery pack when a rear collision occurs to the electric vehicle.

Abstract: A vehicle body structure and a vehicle are provided. The vehicle body structure includes a front longitudinal beam, a front compartment crossbeam, and a dash panel. The front longitudinal beam includes a left front longitudinal beam and a right front longitudinal beam that are disposed at an interval in a transverse direction. The front compartment crossbeam is mounted on the left front longitudinal beam and the right front longitudinal beam, and is located in front of the dash panel. A projection area of the front compartment crossbeam on the dash panel in an X direction at least partially covers a projection of a preset area surrounding a pedal center point on the dash panel in the X direction.

Abstract: A vehicle body structure and a vehicle are provided. The vehicle body structure includes a front longitudinal beam, a front compartment crossbeam, and a dash panel. The front longitudinal beam includes a left front longitudinal beam and a right front longitudinal beam that are disposed at an interval in a transverse direction. The front compartment crossbeam is mounted on the left front longitudinal beam and the right front longitudinal beam, and is located in front of the dash panel. A projection area of the front compartment crossbeam on the dash panel in an X direction at least partially covers a projection of a preset area surrounding a pedal center point on the dash panel in the X direction.

Abstract: A power transmission system includes: a power source; a speed change unit, where the speed change unit is suitable for being selectively power-coupled to the power source; a first motor generator unit; a system power output portion; a first mode conversion device, where at least one of the speed change unit and the first motor generator unit is power-coupled to or power-decoupled from the system power output portion through the first mode conversion device; and a second mode conversion device, where the speed change unit can be power-coupled to or power-decoupled from the first mode conversion device through the second mode conversion device, and the speed change unit can be power-coupled to the first mode conversion device through the second mode conversion device, so that power from the power source is decelerated sequentially through the speed change unit and the second mode conversion device and then output to the first mode conversion device.

Abstract: A power transmission system includes: a power source; a speed change unit, where the speed change unit is selectively power-coupled to the power source; a first motor generator unit; a system power output portion; and a mode conversion device, where the mode conversion device includes: a conversion device input portion and a conversion device output portion, the conversion device input portion outputs power from at least one of the power source and the first motor generator unit, the conversion device output portion is connected to an input end of the system power output portion, and the conversion device input portion is selectively power-coupled to the conversion device output portion; and when the conversion device input portion is power-coupled to the conversion device output portion, the rotational speed of the conversion device input portion is greater than or equal to the rotational speed of the conversion device output portion.

Abstract: The present disclosure discloses a power drive system and a vehicle, the power drive system including: an engine; a plurality of input shafts, the engine being configured to be selectively engaged with at least one of the plurality of input shafts each provided with a gear driving gear; a plurality of output shafts each provided with a gear driven gear, a plurality of gear driven gears being meshed with a plurality of gear driving gears respectively; a reverse shaft provided with a first gear for the reverse shaft, the first gear for the reverse shaft being meshed with one of the gear driving gears; a reverse output gear linked with the reverse shaft; and a first electric generator, the first electric generator and the plurality of output shafts linked with a differential power input gear of the vehicle respectively.

Abstract: The present disclosure provides a power-drive system for a vehicle and a vehicle. The power-drive system comprises: an engine; a plurality of input shafts, the engine being configured to selectively engage with at least one of the plurality of input shafts; a plurality of output shafts; a first motor power shaft, a motor power shaft first gear being arranged on the first motor power shaft, the motor power shaft first gear and the plurality of output shafts linking with a differential of the vehicle respectively; a second motor power shaft, a motor power shaft second gear linking with one gear-position driven gear being arranged on the second motor power shaft; a transfer gear, configured to selectively engage with the motor power shaft first gear to link with the motor power shaft first gear, and selectively engage with the motor power shaft second gear to link with the motor power shaft second gear; and a first motor generator, configured to link with the transfer gear.

Abstract: The present disclosure discloses a power-driven system and a vehicle. The power-driven system includes: a power coupling device, where the power coupling device includes a first sun gear, a first planet carrier, a first ring gear, a second sun gear, a second planet carrier, a second ring gear, and a power transmission part; a power source; a first motor generator and a second motor generator; and a first braking device directly or indirectly braking the power transmission part. The power transmission part is coaxially linked to the first sun gear and the second sun gear. The power source is configured to selectively connect to the power transmission part. The first motor generator is linked to the first ring gear, and the second motor generator is linked to the second ring gear.

Abstract: A power-driven system includes: a differential; a power output shaft configured to link to a power input end of the differential; multiple input shafts; and a first motor generator. The differential includes a first planet carrier, a second planet carrier, a first planet gear, a second planet gear, a first ring gear, and a second ring gear. The first planet gear and the second planet gear are respectively disposed on the first planet carrier and the second planet carrier and respectively meshed with the first ring gear and the second ring gear. One input shaft of the multiple input shafts is configured to selectively link to the power output shaft, and another input shaft of the multiple input shafts is configured to link to the power output shaft. The first motor generator is configured to link to the one input shaft of the multiple input shafts.