Compliant Biped Locomotion of Hydra, an Electro-Hydrostatically Driven Humanoid. - Tianyi Ko; Ko Yamamoto 001; Kazuya Murotani; Yoshihiko Nakamura (Humanoids, 2018)

Experimental Validation of Resolved Viscoelasticity Control on Hydrostatically Driven Humanoid Hydra. - Ko Yamamoto 001; Tianyi Ko; Kazuya Murotani; Yoshihiko Nakamura (ISER, 2018)

Resolved Viscoelasticity Control Considering Singularity for Knee-stretched Walking of a Humanoid. - Kazuya Murotani; Ko Yamamoto 001; Tianyi Ko; Yoshihiko Nakamura (ICRA, 2019)

Comparative study of force control methods for bipedal walking using a force-sensitive hydraulic humanoid. - Kazuya Murotani; Ko Yamamoto 001; Taiki Ishigaki; Yoshihiko Nakamura (Adv. Robotics, 2020)

Development of 3-DOF wrist mechanism for electro-hydrostatically driven robot arm. - Ryoya Suzuki; Mitsuo Komagata; Tianyi Ko; Kazuya Murotani; Hiroshi Kaminaga; Mamoru Tatano; Ko Yamamoto 001; Yoshihiko Nakamura (Adv. Robotics, 2020)

Whole-Body Compliant Motion by Sensor Integration of an EHA-Driven Humanoid Hydra. - Tianyi Ko; Kazuya Murotani; Ko Yamamoto 001; Yoshihiko Nakamura (Int. J. Humanoid Robotics, 2021)

Resolved viscoelasticity control for robust walking of a humanoid with knee-stretched posture considering singularity. - Ko Yamamoto 001; Kazuya Murotani; Tianyi Ko; Yoshihiko Nakamura (Robotics Auton. Syst., 2022)

Step recognition using LiDAR and navigation considering step entry direction for skid-steer robots. - Kazuya Murotani; Noriyasu Hasejima (Adv. Robotics, 2024)