Xiaosen Liu, Adrian Colli-Menchi, James G. R. Gilbert, Daniel A. Friedrichs, Keith Malang, Edgar Sánchez-Sinencio. An Automatic Resonance Tracking Scheme With Maximum Power Transfer for Piezoelectric Transducers. IEEE Transactions on Industrial Electronics, 62(11):7136-7145, 2015. [doi]
Abstract is missing.