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Ferreira, S., S. Valtchev, F. Coito, and M. Mudrov, "Mechanical vibration using piezoelectric material", Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017, United States, Institute of Electrical and Electronics Engineers Inc., pp. 681–686, 7, 2017. Abstract

Piezoelectric energy harvesting has received great attention over the last 20 years. The main goal of this work is to discuss the potential advantages of introducing non-linearities in the dynamics of a beam type piezoelectric vibration energy harvester. The described device is essentially a cantilever beam partially covered by piezoelectric material with a force electromagnetically applied to the beam. Through experimental tests it has been confirmed the benefits of introducing non-linearities in these types of systems.

Folgado, J., S. S. Valtchev, and F. Coito, "Electronic differential for electric vehicle with evenly split torque", Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016, pp. 1204-1209, 2016. Abstract
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