Article | Proceedings of the 10<sup>th</sup> International Modelica Conference; March 10-12; 2014; Lund; Sweden | Wavelet Library for Modelica Linköping University Electronic Press Conference Proceedings
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Title:
Wavelet Library for Modelica
Author:
Jianbo Gao: Technische Universitaet Muenchen, Munich, Germany Yang Ji: German Aerospace Center, Wessling, Germany Johann Bals: German Aerospace Center, Wessling, Germany Ralph Kennel: Technische Universitaet Muenchen, Munich, Germany
DOI:
10.3384/ecp140961123
Download:
Full text (pdf)
Year:
2014
Conference:
Proceedings of the 10th International Modelica Conference; March 10-12; 2014; Lund; Sweden
Issue:
096
Article no.:
117
Pages:
1123-1130
No. of pages:
8
Publication type:
Abstract and Fulltext
Published:
2014-03-10
ISBN:
978-91-7519-380-9
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet

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Wavelet analysis is being widely used in different fields for signal processing to increase efficiency and flexibility. A wavelet library has been a standard component in many simulation programs. However; wavelet analysis has not yet been included in Modelica as a standard component. To fill this blank; a comprehensive wavelet library has been developed for Modelica. This library includes fifteen commonly used wavelet families. It can carry out continuous transform; forward and inverse discrete transforms; and multi-level decomposition and reconstruction in one-dimensional space. In addition; special application tools for multi-resolution analysis and wavelet denoising are provided. Moreover; some examples are given to provide the users a quick start point to build up their own algorithms. This library was programmed and tested according to the Modelica language specification 3.2 under the Dymola platform version 2013. The test results prove the functionalities of the library.

Keywords: Modelica; Dymola; wavelet; Modelica library

Proceedings of the 10th International Modelica Conference; March 10-12; 2014; Lund; Sweden

Author:
Jianbo Gao, Yang Ji, Johann Bals, Ralph Kennel
Title:
Wavelet Library for Modelica
DOI:
http://dx.doi.org/10.3384/ecp140961123
References:

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[7] T. Bünte, A. Sahin and N. Bajcinca. Inversion of Vehicle Steering Dynamics with Modelica / Dymola. Proceedings of the 4th International Modelica Conference, pp 319-328. Hamburg, Germany, March 7-8, 2005.

[8] Y. Ji and J. Bals. A Modelica signal analysis tool towards design of More Electric Aircraft. Proceedings of 2010 International Conference on Information and Applied Electronics, pp 152 - 156. Chendu, China, June 9-11 2010.

[9] J. Gao, Y. Ji, J. Bals and R. Kennel. Fault Detection of Power Electronic Circuit using Wavelet Analysis in Modelica. Prodeedings of the 9th International Modelica Conference, pp 513 – 521. Munich, Germany, Sept. 3-5, 2012.

[10] E. Jacobsen and R. Lyons. The sliding DFT. Signal Processing Magazine, vol. 20, issue 2, pp. 74–80, March 2003.

Proceedings of the 10th International Modelica Conference; March 10-12; 2014; Lund; Sweden

Author:
Jianbo Gao, Yang Ji, Johann Bals, Ralph Kennel
Title:
Wavelet Library for Modelica
DOI:
https://doi.org10.3384/ecp140961123
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