Results 81 to 90 of about 117 (112)

LQR synthesis via eigenstructure assignment

IFAC Proceedings Volumes, 1999
Abstract In this paper, a novel relation between the weighting matrix Q in LQR and an eigenstructure of the desired closed-loop system is proposed. The method of a block controller transformation is utilized to develop the scheme. Using the proposed algorithm, the state feedback gain with the desired eigenstructure in the LQR can be obtained.
Jae Weon Choi, Young Bong Seo
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Structural damage identification using assigned partial eigenstructure

AIAA Journal, 1997
Summary: We present a method of identifying damaged structural elements from measured modal data using an incomplete measurement set. The method uses a mathematical optimization strategy to minimize deviations between measured and analytical modal frequencies and partial mode shapes.
Cobb, Richard G., Liebst, Brad S.
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ROBUST EIGENSTRUCTURE ASSIGNMENT: NEW APPROACH

IFAC Proceedings Volumes, 2005
Abstract This paper considers the problem of robust eigenstructure assignment, which involves finding a feedback gain matrix that makes the closed-loop system insensitive to perturbations or parameter variations. The main contribution of the paper is to derive a new robustness measure using the matrix perturbation theory.
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Model Updating Using Constrained Eigenstructure Assignment

Journal of Sound and Vibration, 1994
Abstract A technique of constrained eigenstructure assignment (CEA) is presented. The technique can update small order finite element models by using experimental modal analysis data or assign analytical eigenstructure to dynamic models for purposes of simulation and design.
M.J. Schulz, D.J. Inman
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Regional pole assignment with eigenstructure robustness

International Journal of Systems Science, 1997
The paper provides a computational procedure for a type of robust regional pole assignment problem. It allows closed-loop poles to be settled at certain perturbation insensitive locations within some prespecified regions in the complex plane. The novelty of our approach lies in the versatility of the proposed algorithm which provides a rick set of ...
JAMES LAM, HEI KA TAM
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An Eigenstructure Assignment approach (1)

1997
This chapter is a description of the use of one particular methodology of eigenstructure assignment on the Robust Control Aircraft Model (RCAM) challenge as set out in [145]. Emphasis is put on the general methodology in order to concentrate on the similarities between traditional control system design methods and eigenstructure assignment. The results
Lester Faleiro, Roger Pratt
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Eigenstructure assignment by output feedback

International Journal of Control, 1991
This paper looks at the problem of eigenstructure assignment using the system outputs. The algorithm developed is a single pass solution based on the singular value decomposition used to assess rank deficiency. The technique uses metrics to assess the time response, actuator movement and output decoupling of the eigenstructure problem.
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Eigenstructure assignment in linear descriptor systems

IEEE Transactions on Automatic Control, 1995
Summary: Given a linear controllable system \(E\dot x= Fx+ Gu\), we study the limits of linear proportional feedback \(u= Kx+ v\) in assigning a desired finite and infinite eigenstructure of the closed-loop system \(E\dot x= (F+ GK)x+ Gv\). The closed-loop system is not restricted to be regular; its rank makes part of the specifications.
Zagalak, Petr, Kučera, Vladimír
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Direct Eigenstructure Assignment for Model Updating

AIAA Journal, 2021
A direct updating approach for stiffness and damping matrices based on eigenstructure assignment is presented.
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Eigenstructure assignment characterisation

2011
In this chapter, the eigenstructure synthesis using state variable feedback has been analysed. It is shown that the solution scheme is simple and just involves solving a set of linear equations to synthesise each eigenvector for a specified eigenvalue.
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