Design of Instrumentation System for Piezoelectric-Based Rainfall Power Generation

Jotje Rantung; Benny Maluegha; Yan Tondok; Gideon David Rantung

doi:10.54392/irjmt25318

Authors

Jotje Rantung Department of Mechanical Engineering, Sam Ratulangi University, Manado-95115, Indonesia Author
Benny Maluegha Department of Mechanical Engineering, Sam Ratulangi University, Manado-95115, Indonesia Author
Yan Tondok Department of Mechanical Engineering, Sam Ratulangi University, Manado-95115, Indonesia Author
Gideon David Rantung Department of Computer Science, Asia Pacific University of Technology and Innovation (APU), Kuala Lumpur 57000 Malaysia. Author

DOI:

https://doi.org/10.54392/irjmt25318

Keywords:

Instrumentation System, Piezoelectric Sensors, Rainfall energy, Energy Harvesting, Gage R&R

Abstract

This research presents the systematic design, implementation, and evaluation of a piezoelectric-based instrumentation system for energy harvesting from precipitation events. Utilizing Lead Zirconate Titanate (PZT) transducers, signal conditioning via an LM741 operational amplifier, and an Arduino Mega2560 microcontroller for data acquisition and control, the system converts the mechanical energy of raindrop impacts into electrical output. Laboratory simulations were conducted under controlled variations in water droplet height (170–270 cm) to evaluate the electrical response in both series and parallel transducer configurations. Experimental results demonstrated peak output voltages of 2.68 V and 2.66 V for series and parallel configurations, respectively. Measurement system evaluation using Gage Repeatability and Reproducibility (Gage R&R) analysis revealed a total system variability of 4.36% (series) and 1.89% (parallel), confirming high measurement precision and robustness. Despite the low-voltage nature of the generated power, the system validates the feasibility of utilizing rainfall as a renewable energy source for low-power applications. Future research will focus on enhancing energy conversion efficiency through advanced piezoelectric materials, optimized circuit topology including DC-DC boost converters, and integration with high-capacity energy storage modules such as supercapacitors. Moreover, real-time performance monitoring via IoT-based platforms and hybridization with solar or wind systems is proposed for broader applicability.

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