Drive of a Piezoelectric Cycloid Motor in a High Frequency Range. - Iwao Hayashi; Nobuyuki Iwatsuki; Koosuke Fujimoto (J. Robotics Mechatronics, 1993)

Application of Fuzzy PI control to improve the positioning accuracy of a rotary-linear motor driven by two-dimensional ultrasonic actuators. - Masato Kinouchi; Iwao Hayashi; Nobuyuki Iwatsuki; Koichi Morikawa; Junji Shibata; Kohji Suzuki (Microprocess. Microsystems, 2000)