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Identification of a stable model for a flexible plate using frequency domain subspace methods

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Identification of a stable model for a flexible plate using frequency domain subspace methods. / Ahmadizadeh, Saeed; Montazeri, Allahyar; Poshtan, Javad.
18th IFAC World Congress. IFAC, 2011. p. 6517-6522.

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

Harvard

Ahmadizadeh, S, Montazeri, A & Poshtan, J 2011, Identification of a stable model for a flexible plate using frequency domain subspace methods. in 18th IFAC World Congress. IFAC, pp. 6517-6522, 18th IFAC World Congress, Milan, Italy, 28/08/11. https://doi.org/10.3182/20110828-6-IT-1002.03238

APA

Vancouver

Ahmadizadeh S, Montazeri A, Poshtan J. Identification of a stable model for a flexible plate using frequency domain subspace methods. In 18th IFAC World Congress. IFAC. 2011. p. 6517-6522 doi: 10.3182/20110828-6-IT-1002.03238

Author

Ahmadizadeh, Saeed ; Montazeri, Allahyar ; Poshtan, Javad. / Identification of a stable model for a flexible plate using frequency domain subspace methods. 18th IFAC World Congress. IFAC, 2011. pp. 6517-6522

Bibtex

@inproceedings{8a4f085b906646e5a0ef592db72fcc87,
title = "Identification of a stable model for a flexible plate using frequency domain subspace methods",
abstract = "Having a suitable model is one of the most important steps in active noise and vibration control systems. There are many applications in which the derived numerical model does not show the system behavior appropriately. In such cases, obtaining a model using system identification methods can play a special role. To this aim, in this paper the problem of identification of a flexible plate which is attached to upper side of an enclosure is addressed. The frequency response of the plate is measured between the two specific points and the data are applied to the several subspace-based frequency domain identification algorithms with and without Instrumental Variable method. Since the real system, by nature, is stable and the models identified in all cases are unstable, in the next step stabilization algorithm with different initial values is used to extract the stable part of the system. Finally, the qualities of the stabilized identified models are evaluated by calculating the RMS error between the measured and identified models.",
author = "Saeed Ahmadizadeh and Allahyar Montazeri and Javad Poshtan",
year = "2011",
doi = "10.3182/20110828-6-IT-1002.03238",
language = "English",
pages = "6517--6522",
booktitle = "18th IFAC World Congress",
publisher = "IFAC",
note = "18th IFAC World Congress ; Conference date: 28-08-2011 Through 02-09-2011",

}

RIS

TY - GEN

T1 - Identification of a stable model for a flexible plate using frequency domain subspace methods

AU - Ahmadizadeh, Saeed

AU - Montazeri, Allahyar

AU - Poshtan, Javad

PY - 2011

Y1 - 2011

N2 - Having a suitable model is one of the most important steps in active noise and vibration control systems. There are many applications in which the derived numerical model does not show the system behavior appropriately. In such cases, obtaining a model using system identification methods can play a special role. To this aim, in this paper the problem of identification of a flexible plate which is attached to upper side of an enclosure is addressed. The frequency response of the plate is measured between the two specific points and the data are applied to the several subspace-based frequency domain identification algorithms with and without Instrumental Variable method. Since the real system, by nature, is stable and the models identified in all cases are unstable, in the next step stabilization algorithm with different initial values is used to extract the stable part of the system. Finally, the qualities of the stabilized identified models are evaluated by calculating the RMS error between the measured and identified models.

AB - Having a suitable model is one of the most important steps in active noise and vibration control systems. There are many applications in which the derived numerical model does not show the system behavior appropriately. In such cases, obtaining a model using system identification methods can play a special role. To this aim, in this paper the problem of identification of a flexible plate which is attached to upper side of an enclosure is addressed. The frequency response of the plate is measured between the two specific points and the data are applied to the several subspace-based frequency domain identification algorithms with and without Instrumental Variable method. Since the real system, by nature, is stable and the models identified in all cases are unstable, in the next step stabilization algorithm with different initial values is used to extract the stable part of the system. Finally, the qualities of the stabilized identified models are evaluated by calculating the RMS error between the measured and identified models.

U2 - 10.3182/20110828-6-IT-1002.03238

DO - 10.3182/20110828-6-IT-1002.03238

M3 - Conference contribution/Paper

SP - 6517

EP - 6522

BT - 18th IFAC World Congress

PB - IFAC

T2 - 18th IFAC World Congress

Y2 - 28 August 2011 through 2 September 2011

ER -