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大迎角机动导弹各通道之间存在着严重的气动力交叉耦合。本文基于一拍采样周期进行跟踪的原理,研究了大迎角机动导弹的显模型跟踪解耦控制系统,提出了系统的设计方法。仿真表明,模型跟踪及解耦性能良好,提高了导弹的控制精度。对如何选取采样周期及显模型带宽进行了讨论,分析了模型跟踪系统的鲁棒特性。
There is a serious aerodynamic cross-coupling between the channels of the high-attack mobile missile. In this paper, based on the principle of one-shot sampling period tracking, the model-guided decoupling control system for high angle-of-attack maneuvering missiles is studied and the system design method is proposed. The simulation shows that the tracking and decoupling performance of the model is good and the control accuracy of the missile is improved. The paper discusses how to choose the sampling period and the model bandwidth, and analyzes the robustness of the model tracking system.