[1]穆朝絮,孙长银,钱承山.基于干扰观测器的卫星姿态误差四元数模糊滑模控制[J].东南大学学报(自然科学版),2012,42(5):886-891.[doi:10.3969/j.issn.1001-0505.2012.05.017]
 Mu Chaoxu,Sun Changyin,Qian Chengshan.Error quaternion fuzzy sliding mode control of attitude for spacecraft based on disturbance observer[J].Journal of Southeast University (Natural Science Edition),2012,42(5):886-891.[doi:10.3969/j.issn.1001-0505.2012.05.017]
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基于干扰观测器的卫星姿态误差四元数模糊滑模控制()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
42
期数:
2012年第5期
页码:
886-891
栏目:
自动化
出版日期:
2012-09-20

文章信息/Info

Title:
Error quaternion fuzzy sliding mode control of attitude for spacecraft based on disturbance observer
作者:
穆朝絮1 孙长银1 钱承山12
1 东南大学自动化学院,南京 210096; 2 南京信息工程大学信息与控制学院,南京 210044
Author(s):
Mu Chaoxu1 Sun Changyin1 Qian Chengshan12
1 School of Automation, Southeast University, Nanjing 210096,China
2 College of Information and Control,Nanjing University of Information Science and Technology, Nanjing 210044,China
关键词:
误差四元数 干扰观测器 模糊滑模控制 姿态控制
Keywords:
error quaternion disturbance observer fuzzy sliding mode control attitude control
分类号:
TP273
DOI:
10.3969/j.issn.1001-0505.2012.05.017
摘要:
针对刚体卫星的姿态控制问题,提出了一种基于干扰观测器的误差四元数模糊滑模控制方法.首先研究了由误差四元数和误差角速度描述的卫星动力学方程和运动学方程,避免了卫星姿态控制中最终姿态表示的非单值性问题.然后,根据卫星姿态控制系统的数学模型,利用Lyapunov方法设计了滑模控制律,并采用干扰观测器对外界干扰进行估计补偿.为克服滑模控制中存在的抖振,设计了基于干扰观测器的模糊滑模控制器.对卫星姿态控制的仿真结果表明,在外界干扰存在的条件下,设计的控制律能有效地实现卫星姿态控制,避免了传统滑模控制的抖振问题,具有良好的鲁棒性.
Abstract:
Aiming at the attitude control problem of rigid body spacecrafts, the method of error quaternion fuzzy sliding mode control based on disturbance observer is proposed. Firstly, the dynamics equation and the kinematics equation described by error quaternion and error angular velocity are studied, which avoid the non-single question of the end attitude of spacecrafts. Secondly, according to the mathematical model of the satellite attitude system, the sliding mode controller is designed by the Lyapunov approach, and the disturbance observer is used as the compensator to estimate external disturbances. In order to eliminate the intrinsic chattering of the sliding mode control, a fuzzy sliding mode controller with disturbance observer is designed to achieve the attitude control. The simulation results of the spacecraft attitude control show that the proposed control scheme can effectively achieve the spacecraft attitude control when disturbances exist. Besides, it can eliminate the chattering of traditional sliding mode control and keep good robustness.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 穆朝絮(1984—),女,博士生; 孙长银(联系人),男,博士,教授,博士生导师,cysun@seu.edu.cn.
基金项目: 国家杰出青年科学基金资助项目(61125306)、国家自然科学基金重大研究计划资助项目(91016004)、江苏省研究生科技创新资助项目(CXLX-0119)、东南大学优秀博士论文基金资助项目.
引文格式: 穆朝絮,孙长银,钱承山.基于干扰观测器的卫星姿态误差四元数模糊滑模控制[J].东南大学学报:自然科学版,2012,42(5):886-891. [doi:10.3969/j.issn.1001-0505.2012.05.017]
更新日期/Last Update: 2012-09-20