直升机涡轴发动机燃油调节系统建模与仿真

Modeling and Simulation of Fuel Conditioning System for Turbo-Shaft Engine of Helicopter

依据直升机涡轴发动机控制原理,分析了直升机动力系统的控制回路,在已有对直升机动力系统研究的基础上,给出某型涡轴发动机及直升机旋翼的数学模型,并对某型直升机涡轴发动机燃油调节器进行具体的机理分析,建立了该调节器的数学模型。在以上数学模型的基础上,对该型直升机涡轴发动机燃油调节系统进行了全数字仿真研究,揭示了该型燃油调节器的基本控制规律,完成了该型涡轴发动机控制器数字化改造的初步工作。

According to the controlling principle of the helicopter turbo-shaft engine,this paper analyzes the controlling loop of the helicopter dynamical system.Based on the study of the helicopter dynamical system,it builds the mathematical models of a certain turbo-shaft engine and the helicopter rotor wing,and analyzes the fuel controller.Based on the mathematical models,this paper makes the full digital simulations for the turbo-shaft engine fuel control system associated with hydraulic-mechanism controller,then it can find out the basic controlling rules of the fuel controller.This study can complete the preliminary work for the digital transformation of the helicopter turbo-shaft engine controller.