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Energy Harvesting from Human Footstep in Smart Cities as Alternative Renewable Energy Source
Alkashgari, Alaa
Alkashgari, Alaa
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Abstract
The rapid urbanization of smart cities urgently needs innovative energy solutions. This
Capstone project introduces an innovative alternative renewable energy source that captures
the energy produced from human footsteps through piezoelectric technology, converting
mechanical pressure into electrical energy. Different piezoelectric tile designs were explored
to ensure optimum energy conversion efficiency: cantilever, curved elements, and
diaphragm-based configurations. A complete system architecture has been developed,
consisting of a full-wave bridge rectifier and a buck-boost converter for energy storage and
regulation. Current issues related to renewable energy resource sustainability and urban
energy demands are discussed, taking into account social, ethical, and professional
implications in the integration of such systems into smart city infrastructures. We carry out
technical and economic feasibility by simulations and modeling, presenting in detail the
performance analysis of the system, cost implications, and potential risks. Our findings
suggest that piezoelectric energy harvesting being one of the most promising and
environment-friendly solutions to energize low-energy urban devices and to contribute
toward the call for sustainable development in smart cities. The project not only emphasizes
technological innovation but also underscores its practical implications for creating resilient,
green urban infrastructures.