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10480 results about "Motor controller" patented technology

A motor controller is a device or group of devices that serves to govern in some predetermined manner the performance of an electric motor. A motor controller might include a manual or automatic means for starting and stopping the motor, selecting forward or reverse rotation, selecting and regulating the speed, regulating or limiting the torque, and protecting against overloads and faults.

Integrated thermal cycling system of electric vehicle

ActiveCN102941791AAchieve mutual integrationMeet the high requirements of the service temperatureAir-treating devicesCell temperature controlAir conditioningElectric vehicle
The invention relates to the field of heat management of electric vehicles, and in particular to an integrated thermal cycling system of an electric vehicle. The integrated thermal cycling system of the electric vehicle comprises a motor system heat dissipation device, a motor, a motor controller, an air-conditioning system, a first water pump, an air heater, a water cooling jacket, a battery pack, a heater, a battery pack heat dissipation device, a second water pump, a heat exchanger and an evaporator; and a refrigerant pipeline and a water pipeline are connected onto the heat exchanger, the water cooling jacket is installed on the battery pack, and the motor system heat dissipation device, the first water pump, the motor controller and a motor are sequentially and circularly connected with each other according to the circulating water flowing direction, so that a motor cooling cycling circuit is formed. When the environment temperature is low, the battery pack is preheated and heated and an air conditioner in the vehicle is warmed up before the electric vehicle is started, when the environment temperature is high, the battery pack is cooled, a cab is refrigerated and the motor and the motor controller are cooled, accordingly, high requirements on the self operating temperatures of the motor system and a battery are satisfied, so that the service lives and efficiency of the motor system and the battery are increased.
Owner:SAIC MOTOR

Double-hub electrical motor electronic differential and speed regulation integrated controller

ActiveCN103101451ARealize the advantages of electronic controlEasy wiringSpeed controllerControl devicesControl signalElectric vehicle
The invention provides a double-hub electronic motor electrical differential and speed regulation integrated controller. A control signal integrated adjusting unit module, a right wheel speed signal preprocessing module, a right wheel pre-driving unit module, a left wheel pre-driving unit module, a left wheel speed signal preprocessing module, a left hub electrical motor controller, a right hub electrical motor controller, a driving module unit and a monolithic computer are arranged inside the double-hub electrical motor electronic differential and speed regulation integrated controller. The double-hub electrical motor electronic differential and speed regulation integrated controller is characterized in that an electronic differential mechanism, the left hub electrical motor controller and the right hub electrical motor controller are combined into a whole inside the double-hub electrical motor electronic differential and speed regulation integrated controller simultaneously, and all components inside the double-hub electrical motor electronic differential and speed regulation integrated controller are of module structures. Meanwhile, a control signal and speed feedback signal processing module needed by an electric vehicle is arranged inside the controller, pre-control circuits and terminal driving circuits of a left electrical motor and a right electrical motor are inserted in the controller, and thus the fact that a control assembly of the electric motor driven by a double-hub electrical motor has differential control in turning, speed control in driving, stop control in temporary stop and anti-theft control in parking is guaranteed.
Owner:徐州科悦电子科技有限公司

Range extended electric vehicle control system and method

The invention discloses a range extended electric vehicle control system, and relates to a whole vehicle control system. The range extended electric vehicle control system comprises an engine controlled by the conventional throttling valve, a generator which is integrally connected with a crank shaft of the engine and has functions of generating power and driving, a vehicle-mounted power battery, a whole vehicle controller, a range extender controller, a battery management system, a battery direct current sensor, an engine controller unit, a generator controller unit, a generator end direct current sensor and a permanent magnet synchronous driving motor, wherein the permanent magnet synchronous driving motor, the power battery and the generator are connected to a power line and used for driving wheels, a motor controller, a motor direct current sensor, the throttling valve and a crank shaft position sensor; the range extender controller communicates with the engine controller unit and the generator controller unit and sends a control instruction; and the range extender controller manages power generation energy and controls an auxiliary system according to a demand of a driver and a state of a range extender system. The invention also discloses a range extended electric vehicle control method. The range extended electric vehicle control system and the range extended electric vehicle control method can be used for electric automobiles.
Owner:BEIJING ELECTRIC VEHICLE

Double-motor controller with electronic differential function

The invention discloses a double-motor controller with an electronic differential function. The double-motor controller comprises a main control chip integrated with an electronic differential module, two groups of drive motor control chips, two groups of rotary transformer decoding chips, two groups of power drive modules for controlling a motor to operate, a capacitor bank, an angle decoding and conditioning circuit, two permanent magnet motors with built-in rotary transformers, and an active force battery pack, wherein the main control chip is used for processing a received signal; and a left drive wheel control signal and a right drive wheel control signal are transmitted into the drive motor control chips corresponding to wheels respectively through the operation of an electronic differential operation module. The drive motor control chips receive information of position values, speed values and the like of the drive motor returned by corresponding rotary transformer decoding chips; information provided by the main control chip is combined so as to be processed comprehensively; and a waveform is output to a corresponding power drive module so as to operate the wheels through the drive motor. The double-motor controller with the electronic differential function has the advantages of high drive efficiency, small volume, convenience in arrangement and installation, and capability of active differential.
Owner:CHENGDU LAINTEM MOTORS CONTROL TECH
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