A 120°C 20G-compliant vibration energy harvester for aeronautic environments

Abstract : This paper reports the design, fabrication and testing of a piezoelectric energy harvester operating at 90°C and withstanding 120°C and 20G of acceleration. This harvester, along with its dedicated power management circuit, has been designed to supply a 3-channel Acceleration Measurement System (AMS) for the structural health monitoring of an aircraft engine. This aeronautic-compliant bimorph harvester outputs 6.83mW at 1G, up to 246mW at 8G of acceleration and exhibits a maximum Normalized Power Density of 15.3kg.s.m-3 at 90°C.
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Submitted on : Wednesday, November 6, 2019 - 11:16:00 AM
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P. Gasnier, M Boucaud, M. Gallardo, J. Willemin, S. Boisseau, et al.. A 120°C 20G-compliant vibration energy harvester for aeronautic environments. PowerMems, Dec 2018, Daytona Beach, United States. ⟨hal-02350981⟩

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