The processing of the rolling bearing's fault signal based on wavelet analysis

Lu, Qiong

doi:10.1109/iasp.2012.6425012

Cited by 2 publications

(1 citation statement)

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“…Sharma and Pachori [17], in turn, proposed an iterative decomposition of the Hankel matrix, enabling the decomposition of the monocompetent signal and following Hilbert transform, the amplitude is determined as well as frequency functions of each decomposed component. Another use of wavelet analysis can be found, for example, in [18][19][20]. Yeap et al [21] and Sejdić et al [22] summarise some of the advantages and disadvantages of the FFT and WT methods.…”

Section: Signal Analysis and Anomaly Detection Methodsmentioning

confidence: 99%

Advanced Supervision of Smart Buildings Using a Novel Open-Source Control Platform

Minarčík

Procházka²,

Gulan

2020

Sensors

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Gathering data and monitoring performance are at the heart of energy efficiency and comfort securing strategies in smart buildings. Therefore, it is crucial to present the obtained data to the user or administrator of such a building in an appropriate form. Moreover, evaluating the data in real time not only helps to maintain comfort, but also allows for a timely response from the user or operator to a possible fault. Continuous online monitoring and analysis of process behaviour, which is referred to as advanced supervision, is addressed in this paper by developing a procedure that will form an artificial operator autonomously supervising process. After introducing several techniques that are used for signal analysis, we propose an approach to advanced supervision of processes in smart buildings or other industrial control systems. The developed procedure is implemented on a control system platform that is particularly suitable for this purpose. Moreover, this platform includes a framework that provides support for the implementation of advanced control techniques and it is based on open-source tools, which is rarely seen in industrial applications. The developed advanced supervision procedure has been tested in simulation as well as in a practical case study using a real two-storey family house.

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