2009 IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives 2009
DOI: 10.1109/demped.2009.5292800
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Demodulation analysis for exact rotor faults detection under changing parameters

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Cited by 12 publications
(6 citation statements)
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“…Applications to failure detection are available in [7], [14], and [20]- [27]. Interestingly, for a balanced system, it has been shown in [14], [21], [22], [24], and [28] that the Concordia transform (CT), which has been used for failure detection purposes in [14], [21]- [24], and [28]- [38], can also be interpreted as a demodulating tool. As compared to classical demodulation tools, CT exhibits interesting properties such as lower complexity and lack of end effect problems or other artifacts [28].…”
Section: Introductionmentioning
confidence: 99%
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“…Applications to failure detection are available in [7], [14], and [20]- [27]. Interestingly, for a balanced system, it has been shown in [14], [21], [22], [24], and [28] that the Concordia transform (CT), which has been used for failure detection purposes in [14], [21]- [24], and [28]- [38], can also be interpreted as a demodulating tool. As compared to classical demodulation tools, CT exhibits interesting properties such as lower complexity and lack of end effect problems or other artifacts [28].…”
Section: Introductionmentioning
confidence: 99%
“…In the literature, many criteria and/or techniques have been proposed to perform this task. In [14], [21], [22], [24], [25], and [29], failure severity is measured through statistical criteria. However, these criteria require knowledge of the fault frequencies, which also depend on other parameters (speed or slip information).…”
Section: Introductionmentioning
confidence: 99%
“…This is way many research [18][19][20] have been conducted to overcome this weakness by Motor Current Demodulation Analysis technique. The basic idea of MCDA technique is to execute during analysis a signal demodulation; this means that to extract some courant signal parts that are related directly to the faults and make analysis only on these parts.…”
Section: A Moteur Current Demodulation Analysismentioning
confidence: 99%
“…Hence, current demodulation has been investigated for faults detection and diagnosis. Typical examples include broken rotor bars [18][19][20][21][22], gearbox faults [23] and bearing faults [7], [14], [17], [24]. In order to perform currents demodulation, several authors have employed classical demodulation techniques such as the synchronous demodulator [22], [25][26], the Hilbert transform [18][19][20], [22], [27], timefrequency distributions [14], [17], [28][29][30] or adaptive tracking of sine waves [31].…”
Section: Introductionmentioning
confidence: 99%
“…In order to perform currents demodulation, several authors have employed classical demodulation techniques such as the synchronous demodulator [22], [25][26], the Hilbert transform [18][19][20], [22], [27], timefrequency distributions [14], [17], [28][29][30] or adaptive tracking of sine waves [31]. Joint IA-IF estimation based on the Concordia transform is investigated in [7], [21], [32]. One advantage of this transform relies on its low computational cost; however, its domain of validity is restricted to balanced three-phase systems.…”
Section: Introductionmentioning
confidence: 99%