A smart energy harvesting floor, using piezoelectric sensor

 The footstep power generation system using piezoelectric sensors successfully demonstrates how mechanical energy from human footsteps can be converted into usable electrical energy. In this project, multiple piezoelectric discs were arranged in parallel to improve the current output, and the generated energy was efficiently stored in a 4V battery through a controlled charging circuit. The working model clearly shows that although the power generated per step is small, continuous footsteps can accumulate a considerable amount of energy over time.  This system highlights the potential of piezoelectric-based energy harvesting as a supplementary renewable energy source, especially in high-footfall areas such as footpaths, railway stations, shopping malls, and college campuses. While it cannot replace conventional power generation methods, it provides a clean, eco-friendly, and sustainable approach to utilizing wasted mechanical energy and converting it into electrical energy. Overall, the project successfully meets its objectives, validates the concept of piezoelectric energy harvesting, and provides a strong foundation for future improvements such as the use of higher-efficiency piezoelectric materials, optimized mechanical designs, improved energy storage techniques, and enhanced power management systems.  

1.      [1] S. Priya and D. J. Inman, Energy Harvesting Technologies, Springer, 2009. (A standard book widely used for piezoelectric energy harvesting fundamentals.) 2.      [2] S. Roundy, P. K. Wright, and J. Rabaey, Energy Scavenging for Wireless Sensor Networks, Springer, 2004. (Covers piezoelectric transducers and mechanical-to-electrical conversion.) 3.      [3] A. Erturk and D. J. Inman, Piezoelectric Energy Harvesting, Wiley, 2011. (Highly cited reference for piezoelectric power generation theory.) 4.      [4] D. Zhu, S. Beeby, and M. J. Tudor, “Strategies for increasing the power output of piezoelectric energy harvesters,” IEEE Sensors Journal, vol. 11, no. 6, pp. 1410–1419, 2011. 5.      [5] Z. L. Wang, “Towards self-powered sensor networks,” Nano Today, vol. 5, no. 6, pp. 512–514, 2010. (Important paper related to nanogenerators and human-motion harvesting.) 6.      [6] A. Khalid et al., “Footstep power generation using piezoelectric material,” International Journal of Engineering Research and Applications, vol. 3, no. 6, pp. 29–34, 2013. 7.      [7] R. Torah, P. Glynne-Jones, M. Tudor, T. O’Donnell, S. Roy, and S. Beeby, “Self-powered autonomous wireless sensor node using vibration energy harvesting,” Measurement Science and Technology, vol. 19, no. 12, pp. 1–10, 2008. 8.      [8] P. Kiran, “Energy harvesting from human footsteps using piezoelectric tiles,”International Journal of Scientific & Engineering Research, vol. 6, no. 4, pp. 140–145, 2015.