Ko Ayusawa

Publication Activity (10 Years)

Years Active: 2008-2024
Publications (10 Years): 51

Top Topics

Top Venues

IEEE Robotics Autom. Lett.

Publications

Taiki Ishigaki, Ko Ayusawa, Ko Yamamoto
Comprehensive Gradient Computation Framework of PCS Model for Soft Robot Simulation. IEEE Robotics Autom. Lett. 9 (6) (2024)
Soya Shimizu, Ko Ayusawa, Gentiane Venture
Fast Direct Optimal Control for Humanoids Based on Dynamics Representation in FPC Latent Space. IEEE Robotics Autom. Lett. 9 (4) (2024)
Tetsuya Abe, Ryusuke Sagawa, Ko Ayusawa, Wataru Takano
Self-supervised Extraction of Human Motion Structures via Frame-wise Discrete Features. CoRR (2023)
Ko Ayusawa, Akihiko Murai, Ryusuke Sagawa, Eiichi Yoshida
Fast Inverse Kinematics Based on Pseudo-Forward Dynamics Computation: Application to Musculoskeletal Inverse Kinematics. IEEE Robotics Autom. Lett. 8 (9) (2023)
Irene Frizza, Hiroshi Kaminaga, Ko Ayusawa, Philippe Fraisse, Gentiane Venture
A study on the benefits of using variable stiffness feet for humanoid walking on rough terrains. Humanoids (2022)
Hui Niu, Takahiro Ito, Damien Desclaux, Ko Ayusawa, Yusuke Yoshiyasu, Ryusuke Sagawa, Eiichi Yoshida
Estimating Muscle Activity from the Deformation of a Sequential 3D Point Cloud. J. Imaging 8 (6) (2022)
Irene Frizza, Ko Ayusawa, Andrea Cherubini, Hiroshi Kaminaga, Philippe Fraisse, Gentiane Venture
Humanoids' Feet: State-of-the-Art & Future Directions. Int. J. Humanoid Robotics 19 (1) (2022)
Akihiko Murai, Shusuke Kanazawa, Ko Ayusawa, Sohei Washino, Manabu Yoshida, Masaaki Mochimaru
DATSURYOKU Sensor - A Capacitive-Sensor-Based Belt for Predicting Muscle Tension: Preliminary Results. Sensors 21 (19) (2021)
Soya Shimizu, Ko Ayusawa, Gentiane Venture
Pseudo Direct and Inverse Optimal Control based on Motion Synthesis using FPCA. HUMANOIDS (2021)
Manuel G. Catalano, Irene Frizza, Cecilia Morandi, Giorgio Grioli, Ko Ayusawa, Takahiro Ito, Gentiane Venture
HRP-4 Walks on Soft Feet. IEEE Robotics Autom. Lett. 6 (1) (2021)
Vincent Samy, Ko Ayusawa, Eiichi Yoshida
Generalized Comprehensive Motion Theory for High-Order Differential Dynamics. Robotics: Science and Systems (2021)
Vincent Samy, Ko Ayusawa, Yusuke Yoshiyasu, Ryusuke Sagawa, Eiichi Yoshida
Fusion of Multiple Motion Capture Systems for Musculoskeletal Analysis. SII (2020)
Ken Masuya, Ko Ayusawa
A review of state estimation of humanoid robot targeting the center of mass, base kinematics, and external wrench. Adv. Robotics 34 (21-22) (2020)
Takahiro Ito, Ko Ayusawa, Eiichi Yoshida, Hiroshi Kobayashi
Simultaneous Control Framework for Humanoid Tracking Human Movement With Interacting Wearable Assistive Device. IEEE Robotics Autom. Lett. 5 (2) (2020)
Ko Ayusawa, Wael Suleiman, Eiichi Yoshida
Predictive Inverse Kinematics: optimizing Future Trajectory through Implicit Time Integration and Future Jacobian Estimation. IROS (2019)
Vincent Samy, Ko Ayusawa, Eiichi Yoshida
Real-time musculoskeletal visualization of muscle tension and joint reaction forces. SII (2019)
Vincent Samy, Ko Ayusawa, Yusuke Yoshiyasu, Ryusuke Sagawa, Eiichi Yoshida
Musculoskeletal Estimation Using Inertial Measurement Units and Single Video Image. ARSO (2019)
Takahiro Ito, Ko Ayusawa, Eiichi Yoshida, Abderrahmane Kheddar
Experimental Study for Controller-Friendly Contact Estimation for Humanoid Robot. ARSO (2019)
Yusuke Yoshiyasu, Ryusuke Sagawa, Ko Ayusawa, Akihiko Murai
Skeleton Transformer Networks: 3D Human Pose and Skinned Mesh from Single RGB Image. CoRR (2018)
Yumeko Imamura, Ko Ayusawa, Eiichi Yoshida, Takayuki Tanaka
Evaluation Framework for Passive Assistive Device Based on Humanoid Experiments. Int. J. Humanoid Robotics 15 (3) (2018)
Wael Suleiman, Ko Ayusawa, Fumio Kanehiro, Eiichi Yoshida
On prioritized inverse kinematics tasks: Time-space decoupling. AMC (2018)
Christopher Yee Wong, Ko Ayusawa, Eiichi Yoshida
Gravity Compensation for Impedance Control of Legged Robots Using Optimizationless Proportional Contact Force Estimation. Humanoids (2018)
Cota Nabeshima, Ko Ayusawa, Conrad Hochberg, Eiichi Yoshida
Standard Performance Test of Wearable Robots for Lumbar Support. IEEE Robotics Autom. Lett. 3 (3) (2018)
Ko Ayusawa, Yosuke Ikegami, Akihiko Murai, Yusuke Yoshiyasu, Eiichi Yoshida, Satoshi Oota, Yoshihiko Nakamura
Interspecies Retargeting of Homologous Body Posture Based on Skeletal Morphing. IROS (2018)
Satoshi Oota, Yuko Okamura-Oho, Ko Ayusawa, Yosuke Ikegami, Akihiko Murai, Eiichi Yoshida, Yoshihiko Nakamura
Neurorobotic Approach to Study Huntington Disease Based on a Mouse Neuromusculoskeletal Model. IROS (2018)
Takahiro Ito, Ko Ayusawa, Eiichi Yoshida, Hiroshi Kobayashi
Evaluation of active wearable assistive devices with human posture reproduction using a humanoid robot. Adv. Robotics 32 (12) (2018)
Ryusuke Sagawa, Ko Ayusawa, Yusuke Yoshiyasu, Akihiko Murai
Predicting Muscle Activity and Joint Angle from Skin Shape. ECCV Workshops (1) (2018)
Shimpei Masuda, Ko Ayusawa, Eiichi Yoshida
Optimization Framework of Humanoid Walking Pattern for Human Motion Retargeting. Humanoids (2018)
Yusuke Yoshiyasu, Ryusuke Sagawa, Ko Ayusawa, Akihiko Murai
Skeleton Transformer Networks: 3D Human Pose and Skinned Mesh from Single RGB Image. ACCV (4) (2018)
Kenya Mori, Ko Ayusawa, Eiichi Yoshida
Online Center of Mass and Momentum Estimation for a Humanoid Robot Based on Identification of Inertial Parameters. Humanoids (2018)
Ko Ayusawa, Eiichi Yoshida
Comprehensive theory of differential kinematics and dynamics towards extensive motion optimization framework. Int. J. Robotics Res. 37 (13-14) (2018)
Soya Shimizu, Ko Ayusawa, Eiichi Yoshida, Gentiane Venture
Whole-Body Motion Blending Under Physical Constraints Using Functional PCA. Humanoids (2018)
Ko Ayusawa, Eiichi Yoshida
Motion Retargeting for Humanoid Robots Based on Simultaneous Morphing Parameter Identification and Motion Optimization. IEEE Trans. Robotics 33 (6) (2017)
Yumeko Imamura, Ko Ayusawa, Eiichi Yoshida
Risk estimation for intervertebral disc pressure through musculoskeletal joint reaction force simulation. EMBC (2017)
Takahiro Ito, Ko Ayusawa, Eiichi Yoshida, Hiroshi Kobayashi
Human motion reproduction by torque-based humanoid tracking control for active assistive device evaluation. Humanoids (2017)
Eiichi Yoshida, Ko Ayusawa, Yusuke Yoshiyasu, Adrien Escande, Abderrahmane Kheddar
Toward a Human(oid) Motion Planner. ISRR (2017)
Yumeko Imamura, Ko Ayusawa, Yui Endo, Eiichi Yoshida
Simulation-based design for robotic care device: Optimizing trajectory of transfer support robot. ICORR (2017)
Ko Ayusawa, Eiichi Yoshida
Comprehensive Theory of Differential Kinematics and Dynamics for Motion Optimization. Robotics: Science and Systems (2017)
Eiichi Yoshida, Ko Ayusawa
Towards Unified Framework for Trajectory Optimization Using General Differential Kinematics and Dynamics. ISRR (2017)
Ko Ayusawa, Antoine Rioux, Eiichi Yoshida, Gentiane Venture, Maxime Gautier
Generating persistently exciting trajectory based on condition number optimization. ICRA (2017)
Akihiko Murai, Yusuke Kawano, Ko Ayusawa, Mitsunori Tada, Noboru Matsumura, Takeo Nagura
In-vitro identification of shoulder joint and muscle dynamics based on motion capture and musculoskeletal computation. EMBC (2016)
Jovana Jovic, Adrien Escande, Ko Ayusawa, Eiichi Yoshida, Abderrahmane Kheddar, Gentiane Venture
Humanoid and Human Inertia Parameter Identification Using Hierarchical Optimization. IEEE Trans. Robotics 32 (3) (2016)
Ko Ayusawa, Eiichi Yoshida, Yumeko Imamura, Takayuki Tanaka
New evaluation framework for human-assistive devices based on humanoid robotics. Adv. Robotics 30 (8) (2016)
Takahiro Ito, Ko Ayusawa, Eiichi Yoshida, Hiroshi Kobayashi
Stationary torque replacement for evaluation of active assistive devices using humanoid. Humanoids (2016)
Saori Morishima, Ko Ayusawa, Eiichi Yoshida, Gentiane Venture
Whole-body motion retargeting using constrained smoothing and functional principle component analysis. Humanoids (2016)
Ko Ayusawa, Mitsuharu Morisawa, Eiichi Yoshida
Motion retargeting for humanoid robots based on identification to preserve and reproduce human motion features. IROS (2015)
Eiichi Yoshida, Ko Ayusawa, Ixchel Georgina Ramirez-Alpizar, Kensuke Harada, Christian Duriez, Abderrahmane Kheddar
Simulation-based optimal motion planning for deformable object. ARSO (2015)
Ryusuke Sagawa, Yusuke Yoshiyasu, Alexander Alspach, Ko Ayusawa, Katsu Yamane, Adrian Hilton
Analyzing Muscle Activity and Force with Skin Shape Captured by Non-contact Visual Sensor. PSIVT (2015)
Yumeko Imamura, Takayuki Tanaka, Ko Ayusawa, Eiichi Yoshida
Verification of passive power-assist device using humanoid robot: Effect on bending and twisting motion. Humanoids (2015)
Jovana Jovic, Franck Philipp, Adrien Escande, Ko Ayusawa, Eiichi Yoshida, Abderrahmane Kheddar, Gentiane Venture
Identification of dynamics of humanoids: Systematic exciting motion generation. IROS (2015)
Yusuke Yoshiyasu, Ko Ayusawa, Eiichi Yoshida, Yoshio Matsumoto, Yui Endo
Forward dynamics simulation of human figures on assistive devices using geometric skin deformation model. EMBC (2015)
Ko Ayusawa, Shinichiro Nakaoka, Eiichi Yoshida, Yumeko Imamura, Takayuki Tanaka
Evaluation of assistive devices using humanoid robot with mechanical parameters identification. Humanoids (2014)
Ko Ayusawa, Gentiane Venture, Yoshihiko Nakamura
Identifiability and identification of inertial parameters using the underactuated base-link dynamics for legged multibody systems. Int. J. Robotics Res. 33 (3) (2014)
Ko Ayusawa, Yoshihiko Nakamura
Fast inverse kinematics algorithm for large DOF system with decomposed gradient computation based on recursive formulation of equilibrium. IROS (2012)
Yosuke Ikegami, Ko Ayusawa, Yoshihiko Nakamura
Masters' Skill Explained by Visualization of Whole-Body Muscle Activity. SIMPAR (2012)
Aaron Blasdel, Yosuke Ikegami, Ko Ayusawa, Yoshihiko Nakamura
Balancing anatomy and function in a musculoskeletal model of hands. ICRA (2012)
Quang-Cuong Pham, Ko Ayusawa, Kanade Kubota, Yoshihiko Nakamura
On the structural identifiability of joint parameters from motion capture data. SMC (2012)
Ko Ayusawa, Yoshihiko Nakamura
Inverse kinematics based on high-order moments of feature points and their Jacobian matrices. ICRA (2011)
Ko Ayusawa, Gentiane Venture, Yoshihiko Nakamura
Real-time implementation of physically consistent identification of human body segments. ICRA (2011)
Mitsuhiro Hayashibe, Gentiane Venture, Ko Ayusawa, Yoshihiko Nakamura
Muscle strength and Mass Distribution Identification toward subject-specific musculoskeletal modeling. IROS (2011)
Ko Ayusawa, Yoshihiko Nakamura
Identification of standard inertial parameters for large-DOF robots considering physical consistency. IROS (2010)
Tomohiro Kawakami, Ko Ayusawa, Hiroshi Kaminaga, Yoshihiko Nakamura
High-fidelity joint drive system by torque feedback control using high precision linear encoder. ICRA (2010)
Ko Ayusawa, Gentiane Venture, Yoshihiko Nakamura
Identification of flying humanoids and humans. ICRA (2010)
Gentiane Venture, Ko Ayusawa, Yoshihiko Nakamura
A numerical method for choosing motions with optimal excitation properties for identification of biped dynamics - An application to human. ICRA (2009)
Gentiane Venture, Ko Ayusawa, Yoshihiko Nakamura
Optimal estimation of human body segments dynamics using realtime visual feedback. IROS (2009)
Ko Ayusawa, Gentiane Venture, Yoshihiko Nakamura
Identification of the inertial parameters of a humanoid robot using unactuated dynamics of the base link. Humanoids (2008)
Ko Ayusawa, Gentiane Venture, Yoshihiko Nakamura
Identification of humanoid robots dynamics using floating-base motion dynamics. IROS (2008)