含有多级驱动机构卫星的多变量频域稳定性分析方法

doi:10.3969/j.issn.1674-1579.2018.03.002

空间控制技术与应用

含有多级驱动机构卫星的多变量频域稳定性分析方法

刘磊

北京控制工程研究所，北京 100094.

出版日期:2018-06-26 发布日期:2018-07-16
作者简介:作者简介：刘磊（1974—），男，研究员，研究方向为航天器执行机构及控制技术.
基金资助:
国家自然科学基金资助项目(61473037).

MultiVariable Frequency Domain Stability Analysis for Satellites with MultiStage Drive Mechanisms

LIU Lei

Beijing Institute of Control Engineering,Beijing 100094,China.

Online:2018-06-26 Published:2018-07-16
Supported by:
Supported by National Natural Science Foundation of China(61473037).

摘要/Abstract

摘要： 摘要：针对含有多级驱动机构卫星的多级复合控制系统，提出一种多变量频域稳定性分析方法.首先，基于小量假设建立含有多级驱动机构卫星一体化线性模型，针对星体和载荷姿态设计单通道输出线性反馈控制器，采用传递函数矩阵的矩阵分式描述，进行多项式矩阵变换得到多通道闭环系统极点分布规律，确定闭环系统多变量频域输入输出稳定性条件.算例和仿真结果表明，该方法能够验证含有多级驱动机构卫星闭环系统稳定性，并为控制器参数设计提供了有效工具.

关键词: 关键词：多级驱动机构, 多变量, 频域稳定性分析

Abstract: Abstract： A multivariable frequency domain stability analysis method is proposed in this paper for multistage compound control systems in satellites with multistage drive mechanisms. Firstly, a satellite integrated linear model with multistage drive mechanism is established based on the model simplification. A singlechannel output linear feedback controller is designed for the attitude control system. Using the transfer function matrix fractional description, the polynomial matrix transformation is used to obtain the pole distribution of multichannel closedloop systems. The stability conditions of multivariable frequency domain input and output of the closedloop system are determined. The example and simulation results show that this method can verify the stability of closedloop satellite system with multistage drive mechanism and provide an effective tool for controller parameter design.

Key words: Keywords： multistage drive mechanism, multivariable, frequency domain stability analysis

中图分类号:

中图分类号： V448-

刘磊. 含有多级驱动机构卫星的多变量频域稳定性分析方法[J]. 空间控制技术与应用, 2018, 44(3): 7-14.

LIU Lei. MultiVariable Frequency Domain Stability Analysis for Satellites with MultiStage Drive Mechanisms[J]. , 2018, 44(3): 7-14.

参考文献

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含有多级驱动机构卫星的多变量频域稳定性分析方法

MultiVariable Frequency Domain Stability Analysis for Satellites with MultiStage Drive Mechanisms

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