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Adaptive filtering and machine learning: applications in diffusion networks, soft sensors and classification of cardiac arrhythmias

Grant number: 21/02063-6
Support Opportunities:Regular Research Grants
Duration: August 01, 2021 - July 31, 2023
Field of knowledge:Engineering - Electrical Engineering - Telecommunications
Principal Investigator:Magno Teófilo Madeira da Silva
Grantee:Magno Teófilo Madeira da Silva
Host Institution: Escola Politécnica (EP). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated researchers: Renato Candido


Distributed signal processing has attracted attention in the scientific community due to its several advantages over centralized approaches. In this field, sampling and censoring techniques have been topics of intense research, since the cost associated with measuring, processing and/or transmitting data throughout the entire network may be prohibitive in certain situations. The aim of this project is to deeply study sampling and censoring techniques, by proposing improvements to the algorithms that were recently proposed in the literature. These algorithms will be extended to different diffusion networks, such as multitask, kernel-based, and asynchronous networks. Distributed versions of kernel adaptive filters will also be addressed and compared to distributed neural networks for thesolution of nonlinear problems in diffusion networks. The Gram-Schmidt-based sparsification technique for dictionary will be also applied to kernel principal component analysis. In the machine learning field, we intend to use soft sensors for fault detection and diagnosisin air conditioning systems, enabling corrections before the increase in the consumption of electrical energy. Finally, we indent to use neural networks to classify cardiac arrhythmias, taking into account the separation of the patients into training and testing sets. (AU)

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