PEGASE4 : a generic board for embedded SHM applications
Résumé
This article aims to present the newest version of PEGASE: a generic wireless board dedicated to SHM applications. The first part of the article consists in describing the technological advances of PEGASE (generic processing using an embedded buildroot Linux, inertial IMU unit, GNSS receivers, multiple IOs...). Then scientific aspects of PEGASE are specified : the original use of the GNSS/PPS signal as a core information inside Linux to make it synchronized up to some µs, the energy strategies that could be adopted in view of implementing the most efficient battery/solar cell usage,... Thus, real SHM use-cases are given as illustrations : PEGASE usage for a wireless acoustic emission monitoring system.
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