Eigenstructure Assignment and Robustness Improvement Using a Gradient-Based Method

被引：0

作者：

Karlsson, Erik ^{[1
]}

Myschik, Stephan ^{[2
]}

Holzapfel, Florian ^{[1
]}

机构：

[1] Tech Univ Munich, Inst Flight Syst Dynam, Munich, Germany

[2] Ind Anlagen Betriebsgesell MbH, Ottobrunn, Germany

来源：

ADVANCES IN AEROSPACE GUIDANCE, NAVIGATION AND CONTROL | 2011年

关键词：

DESIGN;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a gradient-based method for increasing the robustness of multivariable systems, measured by the stability margins of the broken SISO loops. The method uses iterative perturbations of the closed loop eigenvalues to minimize a certain cost function containing weighted gain and phase margins and the variation of the eigenvalues. The initial and perturbed closed loop dynamics are specified using eigenstructure assignment. The algorithm presented is used in the gain design process of the lateral part of the flight control system for a generic transport aircraft. Results obtained with this novel approach are analyzed regarding the SISO and MIMO stability margins.

引用

页码：67 / 77

页数：11

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