Semiactive variable-friction damper control with simple algorithm. - Akira Nishitani; Yoshihiro Nitta; Atsushi Itoh; Yoshiki Ikeda (ACC, 2000)

Measuring Relative-Story Displacement and Local Inclination Angle Using Multiple Position-Sensitive Detectors. - Iwao Matsuya; Ryuta Katamura; Maya Sato; Miroku Iba; Hideaki Kondo; Kiyoshi Kanekawa; Motoichi Takahashi; Tomohiko Hatada; Yoshihiro Nitta; Takashi Tanii; Shuichi Shoji; Akira Nishitani; et al. (Sensors, 2010)