A speed limit control method for distributed electric drive vehicles
A vehicle speed limit control, electric drive technology, applied in electric vehicles, control drives, vehicle components, etc., can solve the control requirements that cannot take into account torque output and speed limit, acceleration, torque discontinuity and other problems, to achieve The effect of improving reliability and fault-tolerant operation
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[0036] The present invention will be further explained below in conjunction with the accompanying drawings.
[0037] A distributed electric drive vehicle speed limit control method, based on such as figure 1 The control device shown includes a power battery, a vehicle controller VCU, drive motors M1, M2, Mn, motor controllers MCU1, MCU2, MCUn, a first communication bus CAN1 and a second communication bus CAN2, each motor controller externally With 2 CAN buses. The power battery is connected to the motor controller through the positive and negative command buses, the three-phase output of the motor controller is connected to the three-phase input of the driving motor, and the position sensor and temperature sensor of the motor are connected to the low-voltage signal interface of the motor controller. One of the buses of each motor controller MCU1, MCU2, and MCUn is connected to the CAN bus of the vehicle controller VCU after being jointed, and communicates with the vehicle con...
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