Application of wavelet transformation for the identification of high frequency spurious signals in step down DC-DC converter circuits experiencing intermittent chaotic patterns
Application of wavelet transformation for the identification of high frequency spurious signals in step down DC-DC converter circuits experiencing intermittent chaotic patterns
- Author(s): D. Giaouris ; B. Zahawi ; G. El-Murr ; V. Pickert
- DOI: 10.1049/cp:20060138
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- Author(s): D. Giaouris ; B. Zahawi ; G. El-Murr ; V. Pickert Source: 3rd IET International Conference on Power Electronics, Machines and Drives (PEMD 2006), 2006 p. 394 – 397
- Conference: 3rd IET International Conference on Power Electronics, Machines and Drives (PEMD 2006)
- DOI: 10.1049/cp:20060138
- ISBN: 0 86341 618 7
- Location: Dublin, Ireland
- Conference date: 4-6 April 2006
- Format: PDF
Intermittent chaotic phenomena can appear in a DC-DC step down converter when the later is coupled with spurious high frequency signals. It is therefore important to understand why and how these phenomena occur and what is their relationship with the frequency characterises of the spurious injected signals. This paper uses a fast wavelet transform to isolate the frequency of these signals even when the converter is in a chaotic or subharmonic mode of operation.
Inspec keywords: DC-DC power convertors; chaos; wavelet transforms
Subjects: Chaotic behaviour in circuits; Integral transforms; Power electronics, supply and supervisory circuits
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