Sistema automático de medição de fluxo de pessoas para análise da viabilidade de geração de energia piezoelétrica

Abstract

This study aimed to develop an automated system for measuring foot traffic and to analyze the feasibility of generating electricity via the piezoelectric effect. The proposal involved investigating suitable sensors and step-detection methods, focusing on gathering data useful for energy generation estimates. The methodology included a literature review on piezoelectric and resistive sensors, as well as the development of a functional prototype using load cells connected to a microcontroller. During implementation, comparative analyses of sensors, practical tests with the load cell, and data collection across various scenarios were conducted. The results demonstrated that the system is capable of identifying steps and—with reasonable accuracy—measuring the force exerted on the ground with each step, thereby generating sufficient data to estimate the energy that could be converted by piezoelectric systems. It is concluded that the primary objective was achieved, and the developed system proved effective as a tool for analyzing foot traffic and estimating energy generation. As a contribution, this work provides a practical and theoretical foundation for future projects seeking to integrate energy harvesting with the monitoring of human movement.