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All Journal Abdi Masya Teknika
Ghoni, Ruzlaini
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Journal : Teknika

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DESIGN AND IMPLEMENTATION OF A PIEZOELECTRIC PEDESTRIAN-POWERED ENERGY HARVESTING SYSTEM FOR SUSTAINABLE URBAN INSTALLATIONS Islam, Muhammad Qamarul; Ghoni, Ruzlaini; Ibrahim, Mohd Tarmizi; Nugroho, Budi
Teknika Vol 10 No 2 (2025): October 2025
Publisher : Pusat Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52561/teknika.v10i2.611

Abstract

This project proposes integrating a pedestrian-powered system into a public installation to create a renewable energy source in urban environments. The system utilizes piezoelectric sensors embedded in the sidewalk to convert mechanical energy from footsteps into electrical energy, which is then used to power lights and display kinetic movement in the art installation. The main goal of this project is to provide a participatory, environmentally friendly, and sustainable solution in the form of an interactive artwork, while reducing dependence on conventional energy sources. Test results show that the greater the applied load, the higher the generated voltage. The lowest voltage recorded was 11.76 mV at a weight of 50 kg, while the highest voltage reached 315.16 mV at a weight of 90 kg, with an average voltage of 168.46 mV for the load range of 50–90 kg. These findings demonstrate that piezoelectric technology has great potential as an energy harvesting system in public areas, as it can provide power for energy-efficient devices while enhancing the aesthetic quality and awareness of sustainable energy in urban spaces.
PERFORMANCE ANALYSIS OF FOOTWEAR SENSORS FOR VOLTAGE MONITORING Aiman, Muhamad; Ghoni, Ruzlaini; Ibrahim, Mohd Tarmizi; Fariyono, Fariyono
Teknika Vol 10 No 2 (2025): October 2025
Publisher : Pusat Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52561/teknika.v10i2.613

Abstract

Advances in wearable technology are driving innovation in efficient, self-powered biomechanical monitoring systems. One promising approach uses piezoelectric sensors to generate energy while detecting foot (plantar pressure) during physical activity. This study aims to design and test a piezoelectric-based insole system capable of performing dual functions: harvesting mechanical energy from footsteps and analyzing fatigue patterns and gait asymmetry. The research used an experimental approach involving 10 male respondents aged 15–31. Each insole was equipped with four DLAY piezoelectric sensors placed on the heel and forefoot of the right and left feet, and connected to a Raspberry Pi Pico RP2040 microcontroller for voltage data acquisition. The data was analyzed using voltage changes to indicate foot pressure distribution and muscle fatigue. The results showed that the system could generate voltages between 0.025 V and 0.082 V, with an average harvested power of 4.8mW. 70% of respondents experienced decreased voltage in one leg, indicating unilateral fatigue and gait imbalance. Respondent 10 showed the most significant voltage decrease in the left heel sensor (<0.03 V after 1000 seconds), while the right foot remained stable (0.045–0.055 V). In contrast, Respondent 5 showed stable and symmetrical voltage distribution throughout the test session.
Co-Authors Aiman, Muhamad Budi Nugroho Fariyono, Fariyono Ibrahim, Mohd Tarmizi Islam, Muhammad Qamarul Jamaldi, Agus Joharwan, Johanes Wawan Nugroho, Wasis Purwono, Arif Hidayat Raharjo, Emanuel Budi ramadhan, Ichsan Rifai, Damhuji Susanto, Husein Arif