Stator design of a 2DOF traveling-wave rotary piezoelectric motor. - Yung Ting; Yi-Da Lee; Yu-Ren Tsai; Cheng-Yu Chen (ROBIO, 2008)

Stator analysis and design of a spherical piezoelectric motor. - Yung Ting; Yu-Ren Tsai; Bing-Kuan Hou; Shuo-Chun Lin; Cheng-Chin Lu (ROBIO, 2009)