Development and programming of Geophonino: A low cost Arduino-based seismic recorder for vertical geophones

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Title: Development and programming of Geophonino: A low cost Arduino-based seismic recorder for vertical geophones
Authors: Soler Llorens, Juan Luis | Galiana-Merino, Juan José | Giner Caturla, José Juan | Jáuregui Eslava, Pedro Javier | Rosa Cintas, Sergio | Rosa-Herranz, Julio
Research Group/s: Sismología-Riesgo Sísmico y Procesado de la Señal en Fenómenos Naturales
Center, Department or Service: Universidad de Alicante. Departamento de Ciencias de la Tierra y del Medio Ambiente | Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal | Universidad de Alicante. Instituto Universitario de Física Aplicada a las Ciencias y las Tecnologías
Keywords: Seismic recorder | Vertical geophone | Arduino Due | Instrumentation amplifier | Anti-aliasing filter
Knowledge Area: Física de la Tierra | Teoría de la Señal y Comunicaciones | Física Aplicada
Issue Date: Sep-2016
Publisher: Elsevier
Citation: Computers & Geosciences. 2016, 94: 1-10. doi:10.1016/j.cageo.2016.05.014
Abstract: The commercial data acquisition systems used for seismic exploration are usually expensive equipment. In this work, a low cost data acquisition system (Geophonino) has been developed for recording seismic signals from a vertical geophone. The signal goes first through an instrumentation amplifier, INA155, which is suitable for low amplitude signals like the seismic noise, and an anti-aliasing filter based on the MAX7404 switched-capacitor filter. After that, the amplified and filtered signal is digitized and processed by Arduino Due and registered in an SD memory card. Geophonino is configured for continuous registering, where the sampling frequency, the amplitude gain and the registering time are user-defined. The complete prototype is an open source and open hardware system. It has been tested by comparing the registered signals with the ones obtained through different commercial data recording systems and different kind of geophones. The obtained results show good correlation between the tested measurements, presenting Geophonino as a low-cost alternative system for seismic data recording.
Sponsor: This research has been supported by the Conselleria d'Educació, Investigació, Cultura i Sport de la Generalitat Valenciana (project AICO/2016/098).
ISSN: 0098-3004 (Print) | 1873-7803 (Online)
DOI: 10.1016/j.cageo.2016.05.014
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2016 Elsevier Ltd.
Peer Review: si
Publisher version:
Appears in Collections:INV - GIRS - Artículos de Revistas

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