Sensorless positioning control using simple external circuit in piezo-actuated systems. - Junya Hirata; Kenta Seki; Makoto Iwasaki (IECON, 2017)

Creep Modeling with Time-Dependent Damping Parameters in Piezoelectric Actuators. - Kenta Seki; Junya Hirata; Michael Ruderman; Makoto Iwasaki (ICM, 2019)