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采用部件法建立涡轴发动机通用模型的难点是:如何为发动机模型的各部件参数和特性数据块建立统一的输入接口;建立的稳态模型和动态模型均要在全包线范围内收敛;动态模型要求在任意高度和马赫数下均能满足实时性要求。文章利用Vc++编程语言建立了统一特性数据输入接口;综合使用多种方法使数学模型达到全包线范围内收敛和满足实时性要求的目的。
The difficulty of using component method to establish general model of turboshaft engine is how to establish a uniform input interface for each component parameter and characteristic data block of engine model. The established steady state model and dynamic model must all converge within the whole envelope. Dynamic Model requirements at any height and Mach number can meet the real-time requirements. The article uses Vc + + programming language to establish a uniform characteristic data input interface; a variety of methods are used synthetically to make the mathematical model achieve the goal of convergence and satisfaction of real-time requirements in the whole envelope.