Design of longitudinal automatic landing control law of transport aircraft with μ synthesis
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摘要: 研究运输机的自动着陆问题,分析了运输机自动着陆的过程与特点,采用结构奇异值μ综合的控制系统设计方法,设计了运输机的二级自动着陆控制律,实现对理想下滑线精确跟踪;并对系统的鲁棒性进行了分析.仿真结果表明,在存在飞机模型不确定性,测量噪声和外界阵风干扰的情况下,所设计的自动着陆控制律满足运输机的自动着陆要求.Abstract: The process and characteristic of landing of transport aircraft was analyzed. The synthesis method based on structured singular value was adopted to design the automatic landing control system to accurately follow the slide path of landing. The robust performance of the landing system was analyzed. The simulation results showed that the designed control law satisfied the requirements of automatic landing of transport aircraft when there are uncertainties of transport aircraft model, measurement noises and gust disturbances.
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Key words:
- automatic landing /
- robust control /
- flight control /
- μ synthesis /
- robust performance analysis
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