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Modeling and analysis of the EDS Mag...

Ko, Wonsuk.

Modeling and analysis of the EDS Maglev system with the Halbach magnet array.

紀錄類型:	書目-電子資源 : 單行本
正題名/作者:	Modeling and analysis of the EDS Maglev system with the Halbach magnet array./
作者:	Ko, Wonsuk.
面頁冊數:	107 p.
附註:	Source: Dissertation Abstracts International, Volume: 68-08, Section: B, page: 5454.
Contained By:	Dissertation Abstracts International68-08B.
標題:	Engineering, Automotive. -
電子資源:	Download PDF (下載PDF全文)
ISBN:	9780549181910

Modeling and analysis of the EDS Maglev system with the Halbach magnet array.
Ko, Wonsuk.

Modeling and analysis of the EDS Maglev system with the Halbach magnet array. - 107 p.

Source: Dissertation Abstracts International, Volume: 68-08, Section: B, page: 5454.

Thesis (Ph.D.)--University of Central Florida, 2007.

The magnetic field analysis based on the wavelet transform is performed. The Halbach array magnetic field analysis has been studied using many methods such as magnetic scalar potential, magnetic vector potential, Fourier analysis and Finite Element Methods. But these analyses cannot identify a transient oscillation at the beginning stage of levitation. The wavelet transform is used for analyzing the transient oscillatory response of an EDS Maglev system. The proposed scheme explains the under-damped dynamics that results from the cradle's dynamic response to the irregular distribution of the magnetic field. It suggests this EDS Maglev system that responds to a vertical repulsive force could be subject to such instability at the beginning stage of a low levitation height. The proposed method is useful in analyzing instabilities at the beginning stage of levitation height.

ISBN: 9780549181910Subjects--Topical Terms:

1000006179
Engineering, Automotive.

Modeling and analysis of the EDS Maglev system with the Halbach magnet array.
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245 1 0 $a Modeling and analysis of the EDS Maglev system with the Halbach magnet array.
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500 $a Source: Dissertation Abstracts International, Volume: 68-08, Section: B, page: 5454.
500 $a Adviser: Chan Ham.
502 $a Thesis (Ph.D.)--University of Central Florida, 2007.
520 $a The magnetic field analysis based on the wavelet transform is performed. The Halbach array magnetic field analysis has been studied using many methods such as magnetic scalar potential, magnetic vector potential, Fourier analysis and Finite Element Methods. But these analyses cannot identify a transient oscillation at the beginning stage of levitation. The wavelet transform is used for analyzing the transient oscillatory response of an EDS Maglev system. The proposed scheme explains the under-damped dynamics that results from the cradle's dynamic response to the irregular distribution of the magnetic field. It suggests this EDS Maglev system that responds to a vertical repulsive force could be subject to such instability at the beginning stage of a low levitation height. The proposed method is useful in analyzing instabilities at the beginning stage of levitation height.
520 $a A controller for the EDS maglev system with the Halbach array magnet is designed for the beginning stage of levitation and after reaching the defined levitation height. To design a controller for the EDS system, two different stages are suggested. Before the object reaches a stable position and after it has reached a stable position. A stable position can be referred to as a nominal height. The former is the stage I and the latter is the stage II. At the stage I, to achieve a nominal height the robust controller is investigated. At the stage II, both translational and rotational motions are considered for the control design. To maintain system stability, damping control as well as LQR control are performed. The proposed method is helpful to understand system dynamics and achieve system stability.
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