Manifold path selection steering law for pyramid-type single-gimbal control moment gyros

被引：5

作者：

Guo, Jitang ^{[1
]}

Geng, Yunhai ^{[2
]}

Wu, Baolin ^{[2
]}

Kong, Xianren ^{[2
]}

机构：

[1] China Acad Space Technol, Qian Xuesen Lab, Beijing, Peoples R China

[2] Harbin Inst Technol, Res Ctr Satellite Technol, Harbin, Peoples R China

来源：

AEROSPACE SCIENCE AND TECHNOLOGY | 2020年 / 106卷

基金：

中国国家自然科学基金;

关键词：

Single-gimbal control moment gyros; Singularity; Terminal domain; Manifold path selection; Steering law; ATTITUDE-CONTROL; SINGULARITY ANALYSIS; SPACECRAFT; AVOIDANCE; ESCAPE; VSCMGS; LOGIC;

D O I：

10.1016/j.ast.2020.106207

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

The properties of singularities for pyramid-type single-gimbal control moment gyro (SGCMG) configuration are investigated in this paper. Manifold theory is applied to the SGCMG system and singular surfaces are classified by passability and directionality. A terminal domain is introduced as a small angular momentum space wrapped by internal elliptic singular surfaces and intersected hyperbolic singular surfaces. The hyperbolic singular surfaces in a terminal domain can provide the SGCMG system with a chance to select a manifold path containing no internal elliptic singularity. Thereafter, a manifold path selection (MPS) steering law based on a modified gradient method is proposed, which can achieve internal elliptic singularity avoidance without introducing torque errors. Compared with the other two steering laws, the effectiveness of the proposed method is demonstrated using attitude maneuver examples. (C) 2020 Elsevier Masson SAS. All rights reserved.

引用

页数：14

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