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)

Motion Control of a Hyper Redundant Manipulator Built by Serially Connecting Many Parallel Mechanism Units with a Few DOF. - Nobuyuki Iwatsuki; Norifumi Nishizaka; Koichi Morikawa; Koji Kondoh (Int. J. Autom. Technol., 2010)