Provided are an electric drive system for a motor vehicle and a motor vehicle using the electric drive system. The electric drive system for a motor vehicle comprises: an inverter unit (100) configured to convert externally-supplied DC power to AC power; an electric motor unit (300) configured to convert the power from the inverter unit (100) into mechanical rotation and output the mechanical rotation from an output shaft (303); and a gearbox unit (200) configured to decelerate the rotation transmitted from an input shaft (202) and output the decelerated rotation. The electric motor unit (300), the gearbox unit (200) and the inverter unit (100) have respective independent enclosures. The electric motor unit (300), the gearbox unit (200) and the inverter unit (100) are detachably and mutually connected in an axial direction along the input shaft (202) of the gearbox unit (200) with the gearbox unit (200) positioned in between. The enclosure of the inverter unit (100) has the minimum thickness in the axial direction.

A method and a system for calibrating the active cooling power of an energy storage unit. The present method and system for calibrating the active cooling power of an energy storage unit solve the problem of low efficiency and high costs when performing active cooling calibration tests of energy storage units in a wind tunnel environment chamber. The method for calibrating the active cooling power of an energy storage unit comprises the following steps: a heating apparatus making the inlet temperature of the energy unit reach a target temperature (S100); a cooling system cooling the energy unit in order to maintain the inlet temperature of the energy unit at the target temperature (S200); and calibrating the parameters of the cooling system when the inlet temperature is stabilised at the target temperature (S300). By means of calibrating the parameters of the cooling system when the heating apparatus makes the entry temperature of the energy unit reach a target temperature and the cooling unit maintains the entry temperature of the energy unit at the target temperature, active cooling calibration tests of energy storage units in a wind tunnel environment chamber can be simulated or even replaced, effectively reducing development costs and improving development efficiency.

The present invention provides a method for determining the position of a moving object, comprising: Step a, obtaining a surround-view image of the surroundings of a moving object for each unit of time; Step b, determining, on the basis of the surround-view image, a virtual target area using a pre-trained recognition model; Step c, determining imaging position information of each virtual key point of the virtual target area for the virtual target area using the recognition model; Step d, computing, on the basis of a mapping relation between an imaging coordinate system of the surround-view image and a subject coordinate system of the moving object and according to the imaging position information of each virtual key point, a relative distance between an actual target area corresponding to the virtual target area and the moving object; and Step e, for each unit of time, correcting the relative distance obtained by means of Steps a to d at a current unit of time by using a difference between the relative distance obtained by means of Steps a to d at a previous unit of time before the current unit of time and a movement distance of the moving object in the previous unit of time, so as to obtain a corrected relative distance at the current unit of time.

An automatic lane changing control method for a vehicle, comprising: determining whether a vehicle is in a lane changeable operating condition; in the case that the vehicle is in the lane changeable operating condition, prompting the driver to activate an automatic lane changing mode; and in response to activation of the automatic lane changing mode, executing the following steps: (a) selecting a target lane changing track from a predetermined lane changing track set according to road conditions and an estimated lane changing time; (b) determining a steering wheel rotation angle request according to a curvature change in the target lane changing track; and (c) controlling, according to the steering wheel rotation angle request, the vehicle to change lanes along the target lane changing track. The present invention also provides a corresponding automatic lane changing control device for a vehicle

A method and system for power distribution for an electric transport vehicle. The method comprises: a) acquiring a parameter for estimation from a battery management system of the transport vehicle (10); b) estimating the available discharging power of a battery on the basis of the acquired parameter for estimation (12); c) determining, on the basis of the available discharging power and of power demands of multiple electricity demanding components of the transport vehicle, the power to be distributed to each of the multiple electricity demanding components (14); d) outputting the distributed power to the electricity demanding components and, insofar as the conversion of the power into torque is required, converting the distributed power into torque and then outputting same (16).

A new physical scenario is suggested to estimate the stopping power of energetic α particles in solid-density Be, Na, and Al at room temperature in an ab initio way based on the average atom model. In the scenario the stopping power is caused by the transition of free electrons to higher energy states and the ionization of bound electrons of the atom. Our results are found generally in good agreement with the recommended data in Al, Be and Na as well as the experimental data in Al. A comparison of energy loss with the recent experiment of protons in Be indicates that the scenario is more reasonable than the local density approximation in this case.

A method for adjusting the adaptive driving behavior of an electric automobile, for use in resolving the problem of energy recovery modes of the prior art failing to fully satisfy driving mileage requirements of the electric automobile and the problem of failing to accurately determine a charging or battery-swapping time. The method comprises the following steps: estimating the driving mileage capacity of an electric automobile; obtaining the position of the nearest charging pile or destination information by means of a GPS; obtaining, by means of the GPS, information about the lane on which the electric automobile is currently driven; and enabling the electric automobile to selectively enter a compulsory adaptive driving mode or a selectable adaptive driving mode, on the basis of the driving mileage capacity of the electric automobile, the position of the nearest charging pile or the destination information and the information about the lane. By means of the method, the electric automobile can be prevented from breaking down or failing to arrive at a destination due to failure to recharge in time, and a driver can be reminded of mileage capacity under practical conditions, so that electric energy can be saved, the mileage capacity can be accordingly increased, the electric automobile can be prevented from breaking down due to power shortage and the driving experience can be improved.