基于自适应直接模糊控制器的卫星三轴姿态控制

Mostafa Rahimi Dizadji, A. Yousefi-Koma, Ziba Gharehnazifam
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引用次数: 7

摘要

针对一颗典型卫星,设计了一种自适应直接模糊控制系统,以达到期望的定位。卫星动力学用欧拉公式计算。从姿态控制的四元数描述出发,给出了组合非线性模型。采用滑动面作为自适应律的主变量来调节直接模糊控制器的输出。为了评估所设计的控制器的性能,在存在干扰的情况下进行了不同的仿真。将仿真结果与典型经典控制器的仿真结果进行比较,表明系统响应有了明显改善。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
3-Axis Attitude Control of Satellite using Adaptive Direct Fuzzy Controller
The research is dedicated to design an adaptive direct fuzzy control system for a typical satellite to attain desired orientation. Satellite dynamic is obtained using Euler formulation. Having kinematics from quaternion description of the attitude control, the combined nonlinear model is provided. Sliding surface used as primary variable of the adaptive law to regulate the output of direct fuzzy controller. In order to evaluate the designed controller performance, different simulations are performed in the presence of disturbance. Comparing the simulation results against that of a typical classic controller shows the significant improvement in the system response.
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