Zeros of Modal Models of Flexible Structures

Douglas K. Lindner; Karl M. Reichard; Lynne M. Tarkenton

doi:10.1109/9.237650

Zeros of Modal Models of Flexible Structures

Douglas K. Lindner, Karl M. Reichard, Lynne M. Tarkenton

Applied Research Laboratory (ARL)

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

In this note, we examine the zeros of a modal models of flexible structures. It is shown that in some situations the zero patterns change radically with model order. The refinement of the model by the addition of higher order modes can cause the appearance of zeros at low frequencies or in the right-half plane. Structures instrumented with piezoelectric actuators and / or fiber optic sensors are also considered.

Original language	English (US)
Pages (from-to)	1384-1388
Number of pages	5
Journal	IEEE Transactions on Automatic Control
Volume	38
Issue number	9
DOIs	https://doi.org/10.1109/9.237650
State	Published - Sep 1993

All Science Journal Classification (ASJC) codes

Control and Systems Engineering
Computer Science Applications
Electrical and Electronic Engineering

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10.1109/9.237650

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title = "Zeros of Modal Models of Flexible Structures",

abstract = "In this note, we examine the zeros of a modal models of flexible structures. It is shown that in some situations the zero patterns change radically with model order. The refinement of the model by the addition of higher order modes can cause the appearance of zeros at low frequencies or in the right-half plane. Structures instrumented with piezoelectric actuators and / or fiber optic sensors are also considered.",

author = "Lindner, {Douglas K.} and Reichard, {Karl M.} and Tarkenton, {Lynne M.}",

note = "Funding Information: Manuscript received July 26, 1991. This work was supported in part by NASA under Grant NAG-1-1006 and in part by the ICAM Research Experience Program for Undergraduates at Virginia Tech. D. K. Lindner is with the Bradley Department of Electrical Engineering Virginia Tech, Blacksburg, VA 24061. K. M. Reichard is with the Applied Research Lab Penn State State College, PA 16804. L. M. Tarkenton is with the Lockheed Missiles and Space Co. Austin Division 6800 Burleson Rd. Austin, TX 78760. IEEE Log Number 9205232.",

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N2 - In this note, we examine the zeros of a modal models of flexible structures. It is shown that in some situations the zero patterns change radically with model order. The refinement of the model by the addition of higher order modes can cause the appearance of zeros at low frequencies or in the right-half plane. Structures instrumented with piezoelectric actuators and / or fiber optic sensors are also considered.

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Zeros of Modal Models of Flexible Structures

Abstract

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