# [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] 点击复制 基于干扰观测器的卫星姿态误差四元数模糊滑模控制() 分享到： var jiathis_config = { data_track_clickback: true };

42

2012年第5期

886-891

2012-09-20

## 文章信息/Info

Title:
Error quaternion fuzzy sliding mode control of attitude for spacecraft based on disturbance observer

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):
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

Keywords:

TP273
DOI:
10.3969/j.issn.1001-0505.2012.05.017

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.

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