التفاصيل البيبلوغرافية
| العنوان: |
Vibration Energy Harvesting with Printed P(VDF:TrFE) Transducers to Power Condition Monitoring Sensors for Industrial and Manufacturing Equipment. |
| المؤلفون: |
Alvarez Rueda, Asier, Petritz, Andreas, Schäffner, Philipp, Postl, Markus, Adler, Manfred, Belegratis, Maria, Groten, Jonas, Stadlober, Barbara |
| المصدر: |
Advanced Engineering Materials; May2024, Vol. 26 Issue 9, p1-11, 11p |
| مصطلحات موضوعية: |
WIRELESS sensor nodes, ENERGY harvesting, PIEZOELECTRIC transducers, INDUSTRIAL equipment, TRANSDUCERS, VIBRATIONAL spectra, ROTARY pumps |
| مستخلص: |
A vibration energy harvesting system based on fully printed piezoelectric transducers is realized. The transducers have a butterfly‐like architecture based on two single‐optimized cantilevers with a resonance frequency tuned to 49.5 Hz and can be easily mounted to an industrial engine. By comparing single‐ and multistack configurations of the piezoelectric layers combined with full‐wave or voltage doubler rectifiers, the power transfer characteristics and impedance can be matched to the electrical requirements of the sensing circuitry. A single stack with 21 μm thickness results in the maximum power output of 14.4 μW at a vibration velocity of 11.5 mm s−1, typical for industrial engines. The system is used to power a wireless sensor node on a 1 kW rotary pump in normal operation. The system can harvest up to 138 mJ within 24 h, sufficient for daily remote monitoring of the engine's vibration spectrum and temperature state. The system is thus suitable as a low‐cost, ecofriendly power source for industrial IoT applications. [ABSTRACT FROM AUTHOR] |
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