The invention discloses a power transmission system and a vehicle with the same. The power transmission system comprises a first input shaft, a second input shaft, a first output shaft, a second output shaft, a motor power shaft, a first motor generator, a reverse gear, a first reverse intermediate gear, a second reverse intermediate gear and an engine, wherein a transmission gear is fixed on the first input shaft or the second input shaft; the input shafts and the output shafts are in transmission through a gearshift gear pair; a motor power shaft gear which is in cooperation transmission with the transmission gear is arranged on the motor power shaft in an empty sleeving manner; the first motor generator is connected with the motor power shaft; the reverse gear, the first reverse intermediate gear and the second reverse intermediate gear can be linked; the second reverse intermediate gear is meshed with the first reverse intermediate gear and is meshed with a driving gear on one of the input shafts; the engine is selectively jointed to at least one input shaft. According to the power transmission system disclosed by the invention, the transmission modes are enriched, so that varied working conditions of charging during parking, synchronous driving and charging of the engine, and the like can be realized.

Power transmission system for vehicle and vehicle with power transmission system

The invention provides an inhibiting method and system for battery electric vehicle shaking. According to the method, the current needed torque of a driving motor is obtained firstly; then whether the needed torque needs compensation or not is judged; if the needed torque needs to be compensated, a torque compensation step is conducted; if not, the driving motor is controlled to operate according to the needed torque; and the torque compensation step comprises the content that the compensation torque is obtained through a preset algorithm according to the current motor rotating speed of the driving motor, the compensation torque is used to compensate the needed torque, the output torque is obtained, and the driving motor is controlled to operate according to the output torque. The output torque of the driving motor is obtained through compensation of the compensation torque obtained according to the current motor rotating speed, so that fluctuation of the rotating speed of the driving motor can be eliminated, shaking of the electric vehicle is inhibited, and comfort of a driver in driving is improved.

Control method and system for battery electric vehicle shaking

The invention discloses a balanced type range extender engine, comprising an air cylinder 4, an air inlet piston 14, an air exhaust piston 5, an oil sprayer 18, two sparking plugs and a power generator 11, wherein the top faces of the air inlet piston 14 and the air exhaust piston 5 are arranged in the air cylinder 4 are oppositely arranged in the air cylinder 4 in a mirror image manner; the oil sprayer 18 is arranged on the upper side of a middle position of the air cylinder 4; the two sparking plugs are located on the same circumference with the oil sprayer 18 and further horizontally and symmetrically arranged in a manner of being perpendicular to the direction of a semidiameter in which the oil sprayer 18 is located; and the air inlet piston 14 and the exhaust piston 5 are connected with the power generator 11 through a respective transmission device. With the adoption of the balanced type range extender engine provided by the invention, the defects such as poor economical efficiency and poor emission performance of the traditional two-stroke gasoline engine can be effectively prevented; and moreover, the balanced type range extender engine has the advantages of simple and compact structure, good balance, high power density, high heat efficiency and the like.

Balance type range extender engine

The invention provides a vehicle motor control method and device and a vehicle. The vehicle motor control method and device and the vehicle aim to solve the problem that a deviation exists in the prior art when torque compensation is conducted on a vehicle motor through a vehicle anti-shake mode. The vehicle motor control method comprises the steps that a practical rotation speed of the vehicle motor is collected; a compensation rotation speed of the motor is obtained according to the variable quantity of the practical rotation speed of the motor; the compensation torque of the motor is obtained according to the compensation rotation speed of the motor; and a target torque of the motor is obtained according to the compensation torque of the motor and an order torque of the motor, and the motor is controlled to output the target torque. According to the scheme of the vehicle motor control method and device and the vehicle, compensation to the motor torque is more accurate, and the anti-shake effect of the vehicle is improved.

Vehicle motor control method and device and vehicle

The invention discloses a fuel battery hybrid power automobile system, and belongs to the field of B60W or B60K classification. The system comprises a fuel battery pack, a single-stage boost inverter, a storage battery pack and a motor. The fuel battery pack serves as an input power supply (Vin) of the single-stage boost inverter. The single-stage boost inverter is connected with the storage battery pack (Bat) and finally connected to the motor, and comprises a coupled inductor, wherein a primary side winding and a secondary side winding of the coupled inductor are tightly coupled, and the number of turns of the primary side winding N1 is smaller than the number of turns of the secondary side winding N2. An excitation inductor is in parallel connection with the two ends of the primary side winding of the coupled inductor. The cost of the fuel battery hybrid power automobile system can be lowered, the structure of the fuel battery hybrid power automobile system can be simplified, the reliability of the fuel battery hybrid power automobile system can be improved, and the service life of the fuel battery hybrid power automobile system can be prolonged.

Fuel battery hybrid power automobile system

The invention discloses a vehicle torsional vibration control method, device and system. The method comprises the steps of receiving a torque signal emitted by a vehicle controller, detecting the current actual rotating speed of a vehicle and extracting a torsional vibration component of the vehicle, calculating a compensation torque signal with phase opposite to that of the torque signal according to the torsional vibration component, and conducting compensation on the torque signal according to the compensation torque signal. By the adoption of the vehicle torsional vibration control method, device and system, torsional vibration of transmission systems of electric vehicles can be reduced, and vehicle driving smoothness can be improved.

Vehicle torsional vibration control method, device and system

Integrated motor driving system

The invention provides a power supply system of a hybrid electric vehicle, and the power supply system is connected with a motor drive system for driving the vehicle to run, and the power supply system comprises a fuel battery, a hydrogen supply system, a fuel battery accessory, an auxiliary power source and a power supply converter; the power supply system also comprises a control element, a contactor and a diode, wherein the control element is connected with the power supply converter and connected with the fuel battery and the motor drive system when the power supply converter does not work; the contactor is provided with a first connecting end and a second connecting end and arranged between the fuel battery and the power supply converter, the first connecting end is connected with the fuel battery, and the second connecting end is connected with the power supply converter; and the diode is used for controlling the fuel battery to supply power to the fuel battery accessory, an anode of the diode is connected with the power supply converter, and a cathode of the diode is connected with the fuel battery accessory. Due to the adoption of the power supply system, the problems of the existing power supply system that the cost of the power supply converter is high, the size is large and the running efficiency of the fuel battery system is low can be solved.

Power supply system of hybrid electric vehicle

The utility model discloses a range extender structure of an electric vehicle, which comprises an engine and a generator. The engine is connected with the generator by a clutch, the clutch consists of a clutch pressure plate and a clutch friction disc, an output shaft of the engine is connected with a flywheel, the clutch pressure plate presses the clutch friction disc so that the clutch friction disc is in frictional connection with the flywheel, and a driving shaft of the generator is coaxially and rigidly connected with the clutch friction disc. The engine of the range extender structure of the electric vehicle is connected with the generator by the clutch, the axial dimension of a space between the engine and the generator can be effectively reduced, the integration degree of a system is high, and the range extender structure is favorable for controlling the installation positioning precision of a power transmission shaft. In addition, when power torque load of the generator is increased, the clutch friction disc of the clutch and the flywheel can slip relatively, accordingly, the power torque load can be effectively reduced, and overload damage to the power transmission shaft between the engine and the generator is prevented.

Range extender structure of electric vehicle

The invention relates to an inverter, an automobile power supply device, and an automobile apparatus. The inverter comprises a DC portion, an inversion unit, a first AC portion, and a second AC portion. The DC portion is used for receiving bus voltage provided by an external power supply device. The inversion unit comprises three-phase bridge arms. Each bridge arm is independently connected with the DC portion in series. The inversion unit is used for applying first AC voltage to a first external device on the basis of the first AC portion when being connected with the first external device and applying second AC voltage to a second external device on the basis of the second AC portion when being connected with the second external device. The inverter may solve adverse power supply influence caused by integration of an automobile equipment inverter.

Inverter, automobile power supply device, and automobile apparatus

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