Nonlinear fuzzy H∞ guidance law with saturation of actuators against maneuvering targets

被引:73
作者
Chen, BS [1 ]
Chen, YY
Lin, CL
机构
[1] Natl Tsing Hua Univ, Dept Elect Engn, Hsinchu 30043, Taiwan
[2] Feng Chia Univ, Inst Automat Control Engn, Taichung 40724, Taiwan
关键词
fuzzy control; guidance; maneuvering target tracking; missile; nonlinear H-infinity control;
D O I
10.1109/TCST.2002.804122
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 [计算机科学与技术];
摘要
A nonlinear H-infinity guidance law based on a fuzzy model is proposed for tactical missiles pursuing maneuvering targets in three-dimensional (3-D) space. In the proposed guidance scheme, the relative motion equations between the missile and target are first interpolated piecewise by Takagi-Sugeno linear fuzzy models. Then, a nonlinear fuzzy H-infinity guidance law is designed to eliminate the effects of approximation error and external disturbances to achieve the desired goal. The linear matrix inequality (LMI) technique is then employed to treat this H-infinity optimal guidance design in consideration of control constraints. Finally, the problem is further transformed into a standard eigenvalue problem so that it can be efficiently solved via a convex optimization algorithm, which is available from a numerical computation software.
引用
收藏
页码:769 / 779
页数:11
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