BLE-Based Indoor Localization: Analysis of Some Solutions for Performance Improvement

Autor: Filippo Milano, Helbert da Rocha, Marco Laracca, Luigi Ferrigno, António Espírito Santo, José Salvado, Vincenzo Paciello

Publikováno v: Sensors, Vol 24, Iss 2, p 376 (2024)

This paper addresses indoor localization using an anchor-based system based on Bluetooth Low Energy (BLE) 5.0 technology, adopting the Received Signal Strength Indicator (RSSI) for the distance estimation. Different solutions have been proposed in th

Externí odkaz: https://doaj.org/article/6a69138057304eb2bacc8a9bf49a7bcc

A Platform for IEEE 1451 Standard’s Education, Development and Validation for Industry 4.0

Autor: António Espírito Santo, Helbert da Rocha, João Pereira

Publikováno v: I2MTC

The fourth industrial revolution is supported by concepts such as the Internet of Things and Cyber-Physical Systems. Introducing these concepts, a digital representation of the factory and the production process is possible. As a consequence of this

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::77bc7908eb25d6a6b858da1eda8337ba
https://doi.org/10.1109/i2mtc43012.2020.9129114

Wavelet-Fourier Analysis of Audible Signals to Characterize the Vibrations in LSRA

Autor: Maria do Rosario Calado, António Espírito Santo, José Salvado

Publikováno v: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Agência para a Sociedade do Conhecimento (UMIC)-FCT-Sociedade da Informação
instacron:RCAAP

This paper proposes the analysis tools, the methodology, and the experimental setup to support the characterization of vibrations in linear switched reluctance actuators by analyzing the audio signals emitted. The analysis is performed by using two a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50bd5242317f7902b3b9538b317a45ca
https://hdl.handle.net/10400.6/8218

Numerical modal analysis of vibrations in a three-phase linear switched reluctance actuator

Autor: Anna D. Guerman, Maria do Rosario Calado, António Espírito Santo, José Salvado

Publikováno v: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Agência para a Sociedade do Conhecimento (UMIC)-FCT-Sociedade da Informação
instacron:RCAAP
Modelling and Simulation in Engineering, Vol 2017 (2017)

This paper addresses the problem of vibrations produced by switched reluctance actuators, focusing on the linear configuration of this type of machines, aiming at its characterization regarding the structural vibrations. The complexity of the mechani

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d65b11611e097e86a101d93f4a415c5c
https://hdl.handle.net/10400.11/5721

Discussion on Secure Standard Network of Sensors Powered by Microbial Fuel Cells

Autor: Helbert da Rocha, Paolo Caruso, João Pereira, Pedro Serra, Antonio Espirito Santo

Publikováno v: Sensors, Vol 23, Iss 19, p 8227 (2023)

Everyday tasks use sensors to monitor and provide information about processes in different scenarios, such as monitoring devices in manufacturing or homes. Sensors need to communicate, with or without wires, while providing secure information. Power

Externí odkaz: https://doaj.org/article/07d46a98a62148c7b23b91fa40f5cd7e