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近20年来,变结构系统(VSS)理论的发展日益引人注目。本文旨在将变结理论引入到飞行控制系统的设计,并提出一种新的设计方法和工程实现的方案,通过系统仿真,证实了这种方法和方案是可行的。 在变结构飞行控制系统的设计上,Anthong J.Calise和Friedrich S.Kramer以及C.M.Derling先后研究了在一定飞行状态下变结构系统对相对飞行模型误差的鲁棒性的影响。本文将讨论飞行状态(空域,速度等)变化情况下,VSS的控制效果,并以某型无人机为例,与传统的PD控制结果进行比较。研究将集中于飞机的纵向运动控制。
In the past two decades, the development of the theory of variable structure system (VSS) has drawn more and more attention. This paper aims to introduce the theory of variable knot into the design of flight control system and propose a new design method and project realization scheme. Through the system simulation, it is proved that this method and scheme is feasible. In the design of variable structure flight control system, Anthong J. Calise and Friedrich S. Kramer and C.M. Deringer studied successively the effect of variable structure system on the robustness of relative flight model error under a certain flight condition. This article will discuss the effect of VSS on the flight conditions (airspace, speed, etc.), and compare the results of a conventional UAV with a UAV. The research will focus on longitudinal motion control of aircraft.