Development of seismic acquisition instrumentation system based MEMS accelerometer using SPI communication with Raspberry Pi

S. Arrosyid, S. K. Wijaya, Supriyanto

Research output: Contribution to journalConference article

Abstract

The background of this research concerned to the operational cost and human resources to conduct seismic data surveys. In seismic surveys, the tools and cables are very heavy and need very long cables, so they spend a lot of cost and resources. Based on those reasons, an improvement of Geophone technology for data acquisition was needed in this study to reduce cost and resources. Accelerometer based on MEMS technology was proposed to replace a conventional geophone to reduce costs and human resources. In previous research, a study of seismic signal acquisition instrumentation based on MEMS accelerometer sensor could acquire only two geophones. In this study has renewed seismic signal accelerometer by communication aspect to acquire more geophones or seismic signal acquisition instrumentation. So, it would be more efficient and reduce cost and need fewer resources. The hypothesis is Output data of this system is almost the same with output from conventional geophone. This system uses SPI Extender module to make one Raspberry Pi to acquire more MEMS geophone and with further cable reach. Respond result or output of geophone is saved into Raspberry Pi first so that it can be taken wirelessly by the host computer. Trial test is done at Universitas Indonesia. Based on the test results, the response of the MEMS Geophone, when given a wave explosion, is almost the same as a conventional Geophone.

Original languageEnglish
Article number012044
JournalIOP Conference Series: Earth and Environmental Science
Volume481
Issue number1
DOIs
Publication statusPublished - 27 Apr 2020
EventLife and Environmental Sciences Academics Forum 2018, LEAF 2018 - Depok, West Java, Indonesia
Duration: 1 Nov 2018 → …

Keywords

  • Accelerometer
  • geophone
  • Raspberry Pi
  • seismic survey
  • SPI extender

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