Designing a Novel Multimodal Piezoelectric Energy Harvester Using COMSOL Multiphysics® - Archived
Energy harvesting (EH) is the process of extracting energy from various ambient sources of energy, such as solar, wind, vibration, and thermal energy. The captured energy is stored for various applications, including sensing, actuating, and wireless autonomous systems. In the last decade, energy harvesting has gained considerable attention as a potential alternative to batteries for powering wireless sensor networks involved in various internet of things (IoT) applications.
Dr. M. Umapathy, professor of instrumentation and control engineering at National Institute of Technology Tiruchirappalli, has designed a novel multimodal piezoelectric energy harvester consisting of a primary reversed exponentially tapered beam and six secondary branched beams. The harvester’s theoretical model was developed and derived from the Euler–Bernoulli beam theory.
In this live webinar, Dr. Umapathy will discuss the design of this novel harvester as well as the noncontact excitation technique in the harvester that extends its life. He will discuss how this harvester was simulated using the COMSOL Multiphysics® software and subsequently fabricated and evaluated experimentally in the 8–30 Hz frequency range. The presentation will also include a comparison of the theoretical model with the simulated and experimental results. The webinar will conclude with a live Q&A session.
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Archived Webinar Details
This is a recording of a webinar that originally aired on April 25, 2024
Speaker
Dr. Umapathy Mangalanathan is currently a professor (HAG) at the Department of Instrumentation and Control Engineering at the National Institute of Technology (NIT), Tiruchirapalli, which he joined in 1996 as a faculty member. He is a member of IEEE and has a bachelor’s degree in instrumentation and control engineering from the Government College of Technology, Coimbatore, India, and a master’s degree in precision engineering and instrumentation from IIT Madras. He received his PhD in systems and control engineering from IIT Bombay in 2001. Dr. Umapathy has also worked as a graduate Eengineer trainee in NLC Limited, Neyveli, India, for a year and served as a scientist at the Defence Research and Development Organization, Government of India, Pune, India for six years. His research interests include sensors and actuators, energy harvesting, instrumentation, smart structure modeling and control, and MEMS.