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Dynamics and Robust Control of a Sampled Data System for Large Space Structures. Volume 2. The LQG/LTR Methodology for the Discrete-time System and the Design of Reduced Order Robust Digital Controller for Orbiting Flexible Shallow Spherical Shell System.

机译：大空间结构采样数据系统的动力学与鲁棒控制。第2卷。离散时间系统的LQG / LTR方法和轨道柔性浅球壳系统的降阶鲁棒数字控制器设计。

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The analysis and design of robust controllers for multivariable discrete-time feedback systems in the frequency domain are studied. The robustness stability conditions for discrete-time systems with additive alteration, and with multiplicative alteration are developed. The robust LQG/LTR method has been extended from the continuous-time system to the discrete-time system. It has been proven that the LQG/LTR method is also valid for the LQG control of the discrete-time system with the filtering observer. As an application of the LQG/LTR technique for discrete-time systems, the design of reduced order optimal digital LQG controllers for the orbiting flexible shallow spherical shell system is considered. The comparison between the digital optimal LQG controller with the filtering observer and with the predicting observer for the orbiting flexible shallow spherical shell has been made.... Digital control, Large space structures, LQG/LTR method for discrete-time system, Robust controller design, Design of reduced order LQG controller.

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作者
Bainum, P. M.; Guangqian, X.; Ericsson, A. J.;
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年度 1992
页码 1-66
总页数 66
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Spacecraft; Flexible structures; Control systems; Comparison; Feedback; Filtration; Frequency domain; Observers; Stability; Time; Data management; Platforms; Input output processing; Multivariate analysis; Orbits; Discrete time systems;

机译：航天器;柔性结构;控制系统;比较;反馈;过滤;频域;观察者;稳定性;时间;数据管理;平台;输入输出处理;多变量分析;轨道;离散时间系统;

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Dynamics and Robust Control of a Sampled Data System for Large Space Structures. Volume 2. The LQG/LTR Methodology for the Discrete-time System and the Design of Reduced Order Robust Digital Controller for Orbiting Flexible Shallow Spherical Shell System.

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