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对失控翻滚目标任意位置悬停的模糊控制 预览

Fuzzy control for any selected position hovering over uncontrolled tumbling satellite
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摘要 针对失控翻滚目标任意位置悬停的控制问题进行研究。在目标器轨道坐标系下建立任意偏心率的三维相对运动方程,并分析失控翻滚目标的姿态运动特性。将悬停问题解耦为三个通道的二维模糊控制问题,并以x通道为例进行Mamdani型模糊控制器设计。确定相应的模糊子集、隶属度函数以及模糊控制规则表,采用面积中心法解模糊化。通过数值仿真验证了模糊控制器的控制性能。 The problem of any selected position hovering control of uncontrolled tumbling satellite was researched. A three-dimensional relative motion equation of arbitrary eccentricity was established in the target orbital coordinate system,and the attitude motion characteristics of the uncontrolled tumbling satellite were analyzed. The hovering problem was decoupled into two-dimensional fuzzy control problem of three channels,and the Mamdani fuzzy controller was designed with the channel x as an example. Determining the corresponding fuzzy subset,membership function and fuzzy control rule table,the fuzzy was solved by using the area center method. The control performance of the designed fuzzy controller was verified by numerical simulations.
作者 刘将辉 李海阳 LIU Jianghui;LI Haiyang(College of Aeronautics and Astronautics,National University of Defense Technology,Changsha 410073,China)
出处 《国防科技大学学报》 EI CAS CSCD 北大核心 2019年第2期44-50,共7页 Journal of National University of Defense Technology
基金 国家自然科学基金资助项目(11472301).
关键词 失控翻滚目标 任意位置悬停 模糊控制 隶属度函数 面积中心法 uncontrolled tumbling satellite any selected position hovering fuzzy control membership function area center method
作者简介 刘将辉(1987-),男,江西于都人,博士研究生,E-mail:liujianghui16@163.com;通信作者:李海阳,男,教授,博士,博士生导师,E-mail:lihaiyang@nudt.edu.cn.
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