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针对新型飞机电源系统部件种类多、控制复杂以及电路级仿真运算量大、速度慢的特点,提出了基于行为模型的飞机电源系统电能部件的建模方法。从电能部件的输入输出出发,依据功率平衡关系,并且结合受控源,来描述部件功能特征。利用Simulink软件,建立了系统中的关键部件的行为模型,并且构建了整个电源系统仿真模型。通过该模型,开展了飞机电源系统的特性仿真研究。仿真结果表明,所建立模型简单、方便、可以反映部件和系统的行为特性,仿真速度比电路模型更快。
In view of the characteristics of the new aircraft power system components such as many types, complex control and circuit-level simulation, the modeling method of the power components of the aircraft power system based on the behavioral model is proposed. Starting from the input and output of electrical components, the functional characteristics of the components are described according to the power balance relationship, combined with the controlled source. Using Simulink software, the behavior model of key components in the system is established, and the entire power system simulation model is constructed. Through the model, the simulation study of the characteristics of aircraft power system is carried out. Simulation results show that the proposed model is simple and convenient, and can reflect the behavior of components and systems. The simulation speed is faster than the circuit model.