摘要
对飞行模拟机用的多变量控制的双轴加力涡扇发动机实时性能仿真模型进行了研究。根据某型发动机的控制规律、各部件间的共同工作关系及大量的实验数据 ,结合飞行模拟机的发动机模型的特点 ,研究了数据拟合 ,表格插值 ,公式推导 ,正交设计等数学方法在发动机模型中的应用 ,采用 C+ +语言 ,在计算机上实现了一台双轴混排加力涡扇发动机的实时仿真 ,模拟了发动机的工作状况。稳态模型误差小于 2 % ,动态模型误差小于 5 % ,完成一次计算任务时间小于
Study of real-time performance simulation of a mixed-flow two-spool augmented turbofan engine used in a flight simulator was carried out. Based on the engine control law, component matching relationships and experimental data, taking into account features of flight simulator, the application of curve fitting, interpolation method, orthogonal design etc., to engine real time model was investigated. A real-time simulation model of a mixed-flow two-spool augmented turbofan engine was established with C++ language. The results show that the error of steady state performance is less than 2% and that of the transient performance is less than 5%, and every 4 ms or less the model can complete a performance calculation.
出处
《航空动力学报》
EI
CAS
CSCD
北大核心
2005年第1期13-17,共5页
Journal of Aerospace Power
