Second-order model for rotary traveling wave ultrasonic motors. - Roberto Garcia-Rochin; Markus Kuhne; Raul Santiesteban-Cos; Guillermo J. Rubio-Astorga; Angelika Peer (Humanoids, 2015)

Modeling and Two-Input Sliding Mode Control of Rotary Traveling Wave Ultrasonic Motors. - Markus Kuhne; Roberto Garcia-Rochin; Raul Santiesteban-Cos; Guillermo J. Rubio-Astorga; Angelika Peer (IEEE Trans. Ind. Electron., 2018)