Numerical Energy Behavior Analysis While Digging in Hydraulic Cylinder Dynamics of Agriculture Scale Excavators. - Ryo Arai; Satoru Sakai; Teruo Kato (SICE, 2022)

Response Improvement of Hydraulic Robotic Joints via a Force Servo and Inverted Pendulum Demo. - Ryo Arai; Satoru Sakai; Kazuki Ono (IROS, 2024)

Model Validation Using Ready-Made Components Toward Flexible Hydraulic Joints. - Ryo Arai; Satoru Sakai (J. Robotics Mechatronics, 2025)