1. Position Control of an Ultrasonic Motor Using a Fuzzy Controller;Aoyagi,1994
2. Ultrasonic motor for adjusting the head restraint of automobile seats (in Japanese);Aoyama,1992
3. Ultrasonic driven motor;Barth;IBM Technical Disclosure Bulletin,1973
4. Estimation of the tangential stresses in the stator/rotor contact of traveling wave ultrasonic motors using viscoelastic foundation models;Cao,1995
5. Piezoelectric Ultrasonic Micromotors;Flynn,1995