Online dynamical retouch of motion patterns towards animatronic humanoid robots. - Tomomichi Sugihara; Wataru Takano; Katsu Yamane; Kou Yamamoto; Yoshihiko Nakamura (Humanoids, 2005)

Architectural design of miniature anthropomorphic robots towards high-mobility. - Tomomichi Sugihara; Kou Yamamoto; Yoshihiko Nakamura (IROS, 2005)

Primitive Communication based on Motion Recognition and Generation with Hierarchical Mimesis Model. - Wataru Takano; Katsu Yamane; Tomomichi Sugihara; Kou Yamamoto; Yoshihiko Nakamura (ICRA, 2006)

Toe joint mechanism using parallel four-bar linkage enabling humanlike multiple support at toe pad and toe tip. - Kou Yamamoto; Tomoyuki Sugihara; Yoshihiko Nakamura (Humanoids, 2007)

Dynamics simulation of humanoid robots with position-controlled joints and closed kinematic chains. - Katsu Yamane; Yoshihiko Nakamura; Kou Yamamoto (IROS, 2008)

Hardware design of high performance miniature anthropomorphic robots. - Tomomichi Sugihara; Kou Yamamoto; Yoshihiko Nakamura (Robotics Auton. Syst., 2008)

Switching feedback controllers based on the maximal CPI sets for stabilization of humanoid robots. - Ko Yamamoto 001; Yoshihiko Nakamura (Humanoids, 2009)

Switching control and quick stepping motion generation based on the maximal CPI sets for falling avoidance of humanoid robots. - Ko Yamamoto 001; Yoshihiko Nakamura (ICRA, 2010)

Continuum model of crossing pedestrian flows and swarm control based on temporal/spatial frequency. - Ko Yamamoto 001; Masafumi Okada (ICRA, 2011)

Human swarm modeling in exhibition space and space design. - Masafumi Okada; Yuichi Motegi; Ko Yamamoto 001 (IROS, 2011)

Maximal output admissible set for trajectory tracking control of biped robots and its application to falling avoidance control. - Ko Yamamoto 001 (IROS, 2013)

Control of swarm behavior in crossing pedestrians based on temporal/spatial frequencies. - Ko Yamamoto 001; Masafumi Okada (Robotics Auton. Syst., 2013)

Identification of macroscopic feedback gain in a position-controlled humanoid robot and its application to falling detection. - Ko Yamamoto 001 (Humanoids, 2014)

Falling prevention of humanoid robots by switching standing balance and hopping motion based on MOA set. - Ko Yamamoto 001 (IROS, 2014)

T4: A two-tap based user interface system using a touch-type device for motor-impaired company employees. - Taishi Nomiyama; Naoto Sato; Kou Yamamoto; Shigeki Matsubara; Makoto Nakashima; Takao Sugimoto (ICCE-TW, 2015)

Maximal Output Admissible set for limit cycle controller of humanoid robot. - Ko Yamamoto 001; Takuya Shitaka (ICRA, 2015)

Control of a medical microrobot in 2D vascular phantoms with pulsatile flow using a pair of electromagnetic coils. - Peter Plötner; K. Yoshikawa; Kanako Harada; Ko Yamamoto 001; Naohiko Sugita; Mamoru Mitsuishi (BioRob, 2016)

Resolved COG viscoelasticity control of a humanoid. - Ko Yamamoto 001 (IROS, 2016)

Control strategy switching for humanoid robots based on maximal output admissible set. - Ko Yamamoto 001 (Robotics Auton. Syst., 2016)

Robust walking by resolved viscoelasticity control explicitly considering structure-variability of a humanoid. - Ko Yamamoto 001 (ICRA, 2017)

Humanoid motion analysis and control based on COG viscoelasticity. - Ko Yamamoto 001 (Adv. Robotics, 2017)

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 Multiple Viscoelasticity Control for a Humanoid. - Ko Yamamoto 001 (IEEE Robotics Autom. Lett., 2018)

Push Recovery by Angular Momentum Control during 3D Bipedal Walking based on Virtual-mass-ellipsoid Inverted Pendulum Model. - Kaixuan Guan; Ko Yamamoto 001; Yoshihiko Nakamura (Humanoids, 2019)

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

Virtual-mass-ellipsoid Inverted Pendulum Model and Its Applications to 3D Bipedal Locomotion on Uneven Terrains. - Kaixuan Guan; Ko Yamamoto 001; Yoshihiko Nakamura (IROS, 2019)

Compliance Optimization Considering Dynamics for Whole-Body Control of a Humanoid. - Ko Yamamoto 001; Yoshihiko Nakamura (ISRR, 2019)

Time-variant feedback controller based on capture point and maximal output admissible set of a humanoid. - Ko Yamamoto 001 (Adv. Robotics, 2019)

Symmetrical cruciate-retaining versus medial pivot prostheses: The effect of intercondylar sagittal conformity on knee kinematics and contact mechanics. - Liming Shu; Ko Yamamoto 001; Shin Kai; Junichi Inagaki; Naohiko Sugita (Comput. Biol. Medicine, 2019)

Toward High Power-to-Weight Ratio Electro-hydrostatic Actuators for Robots. - Takahiro Nakanishi; Mitsuo Komagata; Ko Yamamoto 001; Yoshihiko Nakamura (ISER, 2020)

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)

Modeling, prediction, and anomaly detection of manned-vehicle behavior in open field based on velocity vector and variance tensor fields. - Ko Yamamoto 001; Shinsaku Kuwada; Yoshihiko Nakamura (Adv. Robotics, 2020)

Survey on model-based biped motion control for humanoid robots. - Ko Yamamoto 001; Takumi Kamioka; Tomomichi Sugihara (Adv. Robotics, 2020)

Special Issue on Humanoid Robotics - From Back-to-basics to Cutting-edge. - Ko Yamamoto 001; Tomomichi Sugihara (Adv. Robotics, 2020)

Experimental Study on Critical Design of Electro-Hydrostatic Actuators Small in Size and Light in Weight. - Mitsuo Komagata; Tianyi Ko; Ko Yamamoto 001; Yoshihiko Nakamura (J. Robotics Mechatronics, 2020)

Muscle Activity Estimation at Drop Vertical Jump Landing Using Passive Muscle Mechanical Model. - Hinako Suzuki; Akihiko Murai; Yosuke Ikegami; Emiko Uchiyama; Ko Yamamoto 001; Ayaka Yamada; Yuri Mizutani; Kohei Kawaguchi; Shuji Taketomi; Yoshihiko Nakamura (EMBC, 2021)

Visualization of Human Motion via Virtual Reality Interface and Interaction based on It. - Akihiro Sakurai; Yosuke Ikegami; Milutin Nikolic; Yoshihiko Nakamura; Ko Yamamoto 001 (icSPORTS, 2021)

Dynamics Computation of a Hybrid Multi-link Humanoid Robot Integrating Rigid and Soft Bodies. - Taiki Ishigaki; Ko Yamamoto 001 (IROS, 2021)

Preferred Oil and Ceramics Options for EHA Drive Systems and Computed Torque Control of an EHA-Driven Robot Manipulator. - Mitsuo Komagata; Yutaro Imashiro; Ko Yamamoto 001; Yoshihiko Nakamura (RO-MAN, 2021)

In vivo kinematical validated knee model for preclinical testing of total knee replacement. - Liming Shu; Jiang Yao; Ko Yamamoto 001; Takashi Sato; Naohiko Sugita (Comput. Biol. Medicine, 2021)

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)

Transfer Learning of Deep Neural Network Human Pose Estimator by Domain-Specific Data for Video Motion Capturing. - Natsu Ooke; Yosuke Ikegami; Ko Yamamoto 001; Yoshihiko Nakamura (ARSO, 2022)

Learning Whole-body Effects for Biomechanics Analysis from Partial IMU Sensing. - Kazuya Tomabechi; Yosuke Ikegami; Ko Yamamoto 001; Yoshihiko Nakamura (BioRob, 2022)

Humanoid Running based on 3D COG-ZMP Model and Resolved Centroidal Viscoelasticity Control. - Zewen He; Ko Yamamoto 001 (Humanoids, 2022)

Inverse Kinematics of Hybrid Multi-link System and its Application to Motion Capture for Athlete Wearing Sports Prosthesis. - Sunghee Kim; Taiki Ishigaki; Yuta Shimane; Yosuke Ikegami; Ko Yamamoto 001 (Humanoids, 2022)

Decoupling of Inertia Effect in Angular Momentum of a Humanoid and its Application to Resolved Viscoelasticity Control. - Zewen He; Ko Yamamoto 001 (ICRA, 2022)

Integration of Variable-height and Hopping Strategies for Humanoid Push Recovery. - Ko Yamamoto 001; Naoki Kobayashi; Taiki Ishigaki; Yuichi Sakemi (IROS, 2022)

Experimental Study on Impact Resistance of Multi-DOF Electro-Hydrostatic Robot Systems Using Hydracer, a 6DOF Arm. - Mitsuo Komagata; Yutaro Imashiro; Ryoya Suzuki; Kento Oishi; Ko Yamamoto 001; Yoshihiko Nakamura (IROS, 2022)

Application of Piece-wise Constant Strain Model to Flexible Deformation Calculation of Sports Prosthesis and Stiffness Estimation. - Yuta Shimane; Taiki Ishigaki; Sunghee Kim; Yosuke Ikegami; Ko Yamamoto 001 (IROS, 2022)

On high stiffness of soft robots for compatibility of deformation and function. - Keisuke Hagiwara; Ko Yamamoto 001; Yoshihisa Shibata; Mitsuo Komagata; Yoshihiko Nakamura (Adv. Robotics, 2022)

Compact, backdrivable, and efficient design of linear electro-hydrostatic actuator module. - Mitsuo Komagata; Ko Yamamoto 001; Yoshihiko Nakamura (Adv. Robotics, 2022)

Multiscale finite element musculoskeletal model for intact knee dynamics. - Liming Shu; Ko Yamamoto 001; Reina Yoshizaki; Jiang Yao; Takashi Sato; Naohiko Sugita (Comput. Biol. Medicine, 2022)

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)

A New Stability Framework for Trajectory Tracking Control of Biped Walking Robots. - Hae Yeon Park; Jung Hoon Kim 001; Ko Yamamoto 001 (IEEE Trans. Ind. Informatics, 2022)

Humanoid Motion Control by Compliance Optimization Explicitly Considering its Positive Definiteness. - Ko Yamamoto 001; Taiki Ishigaki; Yoshihiko Nakamura (IEEE Trans. Robotics, 2022)

Development of Hydraulically-driven Soft Hand for Handling Heavy Vegetables and its Experimental Evaluation. - Osamu Azami; Kyosuke Ishibashi; Mitsuo Komagata; Ko Yamamoto 001 (ICRA, 2023)

Compact water pump and its application to self-contained soft robot hand for vegetable factory. - Kyosuke Ishibashi; Mitsuo Komagata; Hiroki Ishikawa; Osamu Azami; Ko Yamamoto 001 (Adv. Robotics, 2023)

Development of compact revolute electro-hydrostatic actuator module and evaluation of its backdrivability and internal leakage. - Mitsuo Komagata; Takahiro Nakanishi; Ko Yamamoto 001; Yoshihiko Nakamura (Adv. Robotics, 2023)

Learning and Simulation of Spatiotemporally Multi-scale Pedestrian Flow Model. - Akihiro Sakurai; Ko Yamamoto 001 (ARSO, 2024)

Compliance Optimization Control for Rigid-Soft Hybrid System and its Application in Humanoid Robot Motion Control. - Zewen He; Taiki Ishigaki; Ko Yamamoto 001 (IROS, 2024)

Modeling of Hydraulic Soft Hand with Rubber Sheet Reservoir and Evaluation of its Grasping Flexibility and Control. - Kyosuke Ishibashi; Hiroki Ishikawa; Osamu Azami; Ko Yamamoto 001 (IROS, 2024)

Crowd Video Motion Capture by Concurrent Optimization of Shapes, Poses and Positions. - Naoya Kajio; Atsushi Saito; Akihiro Sakurai; Ko Yamamoto 001 (RO-MAN, 2024)

Spatio-temporal Multi-scale Pedestrian Flow Model by using Attention Module. - Akihiro Sakurai; Ko Yamamoto 001 (RO-MAN, 2024)

Development of 6-DOF manipulator driven by ceramics reinforced hydrostatic actuators and its experimental evaluations on force control and payload abilities. - Mitsuo Komagata; Yutaro Imashiro; Ryoya Suzuki; Kento Oishi; Ko Yamamoto 001; Yoshihiko Nakamura (Adv. Robotics, 2024)

Comprehensive Gradient Computation Framework of PCS Model for Soft Robot Simulation. - Taiki Ishigaki; Ko Ayusawa; Ko Yamamoto 001 (IEEE Robotics Autom. Lett., 2024)

Viscoelasticity estimation of sports prosthesis by energy-minimizing inverse kinematics and its validation by forward dynamics. - Yuta Shimane; Taiki Ishigaki; Sunghee Kim; Ko Yamamoto 001 (Adv. Robotics, 2024)

Nested-structure gear pump with movable inner casing for electro-hydrostatic actuator. - Ko Yamamoto 001; Mitsuo Komagata; Naoki Kobayashi; Yoshihiko Nakamura (Adv. Robotics, 2025)

Unified Framework of Gradient Computation for Hybrid-Link System and Its Dynamical Simulation by Implicit Method. - Taiki Ishigaki; Ko Ayusawa; Ko Yamamoto 001 (IEEE Robotics Autom. Lett., 2025)

Effect of Haptic Feedback on Avoidance Behavior and Visual Exploration in Dynamic VR Pedestrian Environment. - Kyosuke Ishibashi; Atsushi Saito; Zin Y. Tun; Lucas Ray; Megan C. Coram; Akihiro Sakurai; Allison M. Okamura; Ko Yamamoto 001 (CoRR, 2025)