Publications by Ryo Arai 2023 -- Satoru Sakai, Takumu Takagi, Kohei Sawada, Tomoya Yokogawa, Ryo AraiFurther Result on Fast Search Method for NMPCs by Mixed Objective-Physical Nondimensionalizations for Mechatonic Systems 2021 -- Ryo Arai, Satoru Sakai, Akihiro Tatsuoka, Qin ZhangAnalytical, Experimental, and Numerical Investigation of Energy in Hydraulic Cylinder Dynamics of Agriculture Scale Excavators