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针对电传动装甲车辆发动机-发电机系统建模难的问题,采用BP神经网络辨识发动机转矩,设计了发动机-发电机系统动态实验,在测得发动机在不同油门开度时的转速动态响应,并将电励磁旋转整流同步发电机等效为直流发电机的基础上,建立发动机-发电机系统动态模型。仿真与实验对比结果表明:模型满足车辆仿真精度要求。
Aiming at the difficulty in modeling the engine-generator system of electric transmission armored vehicles, the BP neural network is used to identify the engine torque. The dynamic experiment of the engine-generator system is designed. When the engine dynamic response at different throttle opening is measured, Based on the equivalent of DC excited synchronous generator, the dynamical model of engine-generator system is established. Simulation and experimental results show that: the model meets the requirements of vehicle simulation accuracy.