柔性空间结构的闭形语法学与模型约简

Proceedings of the 27th IEEE Conference on Decision and Control Pub Date : 1988-12-07 DOI:10.1109/CDC.1988.194500

T. Williams

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引用次数: 44

摘要

推导了柔性空间结构动力学模型语素在模态坐标下的解析表达式。这些精确的结果提供了对此类系统动力学的深入了解，并减少了已知的在轻阻尼、宽分离模态情况下的近似表达式。本文概述了一种新的算法，该算法使用这些方法以有效的方式计算这种系统的显性降阶模型。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Closed-form Grammians and model reduction for flexible space structures

Analytical expression are derived for the Grammians of a model in modal coordinates for the dynamics of a flexible space structure (FSS). These exact results provide insight into the dynamics of such systems and reduce the known approximate expressions in the case of lightly damped, widely separated modes. A novel algorithm is outlined that uses these to compute a dominant reduced-order model for such a system in an efficient manner.<>

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Proceedings of the 27th IEEE Conference on Decision and Control

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