Range extender control system and method
A control method and a technology of a range extender, which are applied in engine-driven traction, battery/battery traction, electric vehicles, etc., can solve the problem of untimely speed response, complex working conditions, and failure to provide engine and generator speed and torque decoupling control to achieve reliable work and improve control accuracy
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[0046] figure 1 It is a schematic diagram of the power system structure of an extended-range electric vehicle. There are two CAN networks in the picture. Specifically, it includes a first CAN bus and a second CAN bus. It also includes a range extender controller RCU, a power battery management system BMS, a drive motor controller MCU, and a vehicle controller VCU connected to the first CAN bus. It also includes the engine controller ECU and the generator controller GCU. The range extender controller is connected to the engine controller ECU of the range extender and the generator controller GCU through the second CAN bus through the RCU.
[0047] The engine controller ECU is connected to control the engine, the generator controller GCU is connected to control the generator, and the drive motor controller MCU is connected to control the drive motor. The power battery is connected to the generator through the inverter. The power battery is connected to the drive motor through t...
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