MEVIUS - Open Source Quadruped Robot

Image Saqiel
  • K. Kawaharazuka, S. Inoue, T. Suzuki, S. Yuzai, S. Sawaguchi, K. Okada, M. Inaba
    MEVIUS: A Quadruped Robot Easily Constructed through E-Commerce with Sheet Metal Welding and Machining, in Proceedings of the 2024 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2024), 2024
    [Arxiv Link] [Project Page] [Source Code] [Video]

SAQIEL - Ultra-Light and Safe Manipulator

Image Saqiel
  • T. Suzuki, M. Bando, K. Kawaharazuka, K. Okada, M. Inaba
    SAQIEL: Ultra-Light and Safe Manipulator with Passive 3D Wire Alignment Mechanism, IEEE Robotics and Automation Letters (RAL), vol. 9, no. 4, pp. 3720-3727, 2024, (presented at IROS2024)
    [Paper Link] [Arxiv Link] [Project Page] [Video]
  • K. Kawaharazuka, S. Yoshimura, T. Suzuki, K. Okada, M. Inaba
    Design Optimization of Wire Arrangement With Variable Relay Points in Numerical Simulation for Tendon-Driven Robots, IEEE Robotics and Automation Letters (RAL), vol. 9, no. 2, pp. 1388-1395, 2024, (presented at IROS2024)
    [Paper Link] [Arxiv Link] [Project Page] [Video]

RAMIEL - Jumping Robot

Image Ramiel
  • K. Kawaharazuka, T. Suzuki, K. Okada, M. Inaba
    Continuous Jumping of a Parallel Wire-Driven Monopedal Robot RAMIEL Using Reinforcement Learning, in Proceedings of the 2022 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2022), pp. 759-764, 2022
    [Paper Link] [Arxiv Link] [Video]
  • T. Suzuki, Y. Toshimitsu, Y. Nagamatsu, K. Kawaharazuka, A. Miki, Y. Ribayashi, M. Bando, K. Kojima, Y. Kakiuchi, K. Okada, M. Inaba
    RAMIEL: A Parallel-Wire Driven Monopedal Robot for High and Continuous Jumping, in Proceedings of the 2022 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2022), pp. 5017-5024, 2022, SICE International Young Authors Award (SIYA-IROS2022)
    [Paper Link] [Arxiv Link] [Project Page] [Video]

Kangaroo - Biomimetic Jumping Robot

Image Kangaroo
  • K. Kawaharazuka, S. Yoshimura, T. Suzuki, K. Okada, M. Inaba
    Design Optimization of Wire Arrangement With Variable Relay Points in Numerical Simulation for Tendon-Driven Robots, IEEE Robotics and Automation Letters (RAL), vol. 9, no. 2, pp. 1388-1395, 2024, (presented at IROS2024)
    [Paper Link] [Arxiv Link] [Project Page] [Video]
  • S. Yoshimura, T. Suzuki, M. Bando, S. Yuzaki, K. Kawaharazuka, K. Okada, M. Inaba
    Design Method of a Kangaroo Robot with High Power Legs and an Articulated Soft Tail, in Proceedings of the 2023 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2023), pp. 6631-6638, 2023
    [Paper Link] [Arxiv Link]

Musashi - Component Modularized Musculoskeletal Humanoid

Image Musashi
  • K. Kawaharazuka, K. Okada, M. Inaba
    GeMuCo: Generalized Multisensory Correlational Model for Body Schema Learning, IEEE Robotics and Automation Magazine (RAM), 2024, (presented at ICRA2025)
    [Paper Link] [Arxiv Link]
  • K. Kawaharazuka, K. Okada, M. Inaba
    Deep Predictive Model Learning with Parametric Bias: Handling Modeling Difficulties and Temporal Model Changes, IEEE Robotics and Automation Magazine (RAM), 2023, (presented at ICRA2023)
    [Paper Link] [Arxiv Link]
  • Y. Omura, K. Kawaharazuka, Y. Nagamatsu, Y. Koga, M. Nishiura, Y. Toshimitsu, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Human-mimetic binaural ear design and sound source direction estimation for task realization of musculoskeletal humanoids, Robomech Journal, vol. 9, no. 17, pp. 1-15, 2022
    [Paper Link] [Arxiv Link]
  • K. Kawaharazuka, M. Nishiura, Y. Toshimitsu, Y. Omura, Y. Koga, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Robust Continuous Motion Strategy Against Muscle Rupture using Online Learning of Redundant Intersensory Networks for Musculoskeletal Humanoids, Robotics and Autonomous Systems (RAS), vol. 152, pp. 1-14, 2022
    [Paper Link] [Arxiv Link] [Video]
  • K. Kawaharazuka, M. Nishiura, Y. Koga, Y. Omura, Y. Toshimitsu, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Automatic Grouping of Redundant Sensors and Actuators Using Functional and Spatial Connections: Application to Muscle Grouping for Musculoskeletal Humanoids, IEEE Robotics and Automation Letters (RAL), vol. 6, no. 2, pp. 1981-1988, 2021, (presented at ICRA2021)
    [Paper Link] [Arxiv Link] [Video]
  • K. Kawaharazuka, K. Tsuzuki, Y. Koga, Y. Omura, T. Makabe, K. Shinjo, M. Onitsuka, Y. Nagamatsu, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Toward Autonomous Driving by Musculoskeletal Humanoids: Study of Developed Hardware and Learning-Based Software, IEEE Robotics and Automation Magazine (RAM), vol. 27, no. 3, pp. 84-96, 2020, (presented at ICRA2021)
    [Paper Link] [Arxiv Link] [Video]
  • K. Kawaharazuka, K. Tsuzuki, M. Onitsuka, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Object Recognition, Dynamic Contact Simulation, Detection, and Control of the Flexible Musculoskeletal Hand Using a Recurrent Neural Network With Parametric Bias, IEEE Robotics and Automation Letters (RAL), vol. 5, no. 3, pp. 4580-4587, 2020, (presented at IROS2020)
    [Paper Link] [Arxiv Link] [Video]
  • K. Kawaharazuka, N. Hiraoka, K. Tsuzuki, M. Onitsuka, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Estimation and Control of Motor Core Temperature with Online Learning of Thermal Model Parameters: Application to Musculoskeletal Humanoids, IEEE Robotics and Automation Letters (RAL), vol. 5, no. 3, pp. 4273-4280, 2020, (presented at IROS2020)
    [Paper Link] [Arxiv Link]
  • K. Kawaharazuka, K. Tsuzuki, M. Onitsuka, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Musculoskeletal AutoEncoder: A Unified Online Acquisition Method of Intersensory Networks for State Estimation, Control, and Simulation of Musculoskeletal Humanoids, IEEE Robotics and Automation Letters (RAL), vol. 5, no. 2, pp. 2411-2418, 2020, (presented at ICRA2020)
    [Paper Link] [Arxiv Link] [Video]
  • K. Kawaharazuka, K. Tsuzuki, S. Makino, M. Onitsuka, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Long-time Self-body Image Acquisition and its Application to the Control of Musculoskeletal Structures, IEEE Robotics and Automation Letters (RAL), vol. 4, no. 3, pp. 2965-2972, 2019, (presented at IROS2019)
    [Paper Link] [Arxiv Link] [Video]
  • Y. Ribayashi, K. Kawaharazuka, Y. Toshimitsu, D. Kusuyama, A. Miki, K. Shinjo, M. Bando, T. Suzuki, Y. Kojio, K. Okada, M. Inaba
    Design of Robot Foot with Outer Edge Measurement Structure and Chair Rotation Motion by Friction Control, in Proceedings of the 2022 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2022), pp. 314-321, 2022, (Top 7 Best Oral Paper Presentation)
    [Paper Link]
  • K. Kawaharazuka, K. Okada, M. Inaba
    Online Learning Feedback Control Considering Hysteresis for Musculoskeletal Structures, in Proceedings of the 2022 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2022), pp. 5767-5773, 2022
    [Paper Link] [Arxiv Link] [Video]
  • K. Kawaharazuka, Y. Ribayashi, A. Miki, Y. Toshimitsu, T. Suzuki, K. Okada, M. Inaba
    Learning of Balance Controller Considering Changes in Body State for Musculoskeletal Humanoids, in Proceedings of the 2022 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2022), pp. 5809-5816, 2022
    [Paper Link] [Arxiv Link] [Video]
  • Y. Toshimitsu, K. Kawaharazuka, A. Miki, K. Okada, M. Inaba
    DIJE: Dense Image Jacobian Estimation for Robust Robotic Self-Recognition and Visual Servoing, in Proceedings of the 2022 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2022), pp. 2219-2226, 2022
    [Paper Link] [Video]
  • Y. Ribayashi, K. Kawaharazuka, Y. Toshimitsu, D. Kusuyama, A. Miki, K. Shinjo, M. Bando, T. Suzuki, Y. Kojio, K. Okada, M. Inaba
    Imitation Behavior of the Outer Edge of the Foot by Humanoids Using a Simplified Contact State Representation, in Proceedings of the 2022 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2022), pp. 4243-4249, 2022
    [Paper Link]
  • K. Kawaharazuka, Y. Toshimitsu, M. Nishiura, Y. Koga, Y. Omura, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Design Optimization of Musculoskeletal Humanoids with Maximization of Redundancy to Compensate for Muscle Rupture, in Proceedings of the 2021 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2021), pp. 3204-3210, 2021
    [Paper Link]
  • K. Kawaharazuka, N. Hiraoka, Y. Koga, M. Nishiura, Y. Omura, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Online Learning of Danger Avoidance for Complex Structures of Musculoskeletal Humanoids and Its Applications, in Proceedings of the 2020 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2020), pp. 349-355, 2021
    [Paper Link]
  • K. Kawaharazuka, Y. Koga, M. Nishiura, Y. Omura, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Motion Modification Method of Musculoskeletal Humanoids by Human Teaching Using Muscle-Based Compensation Control, in Proceedings of the 2020 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2020), pp. 83-89, 2021
    [Paper Link]
  • K. Kawaharazuka, M. Nishiura, S. Nakashima, Y. Toshimitsu, Y. Omura, Y. Koga, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Stability Recognition with Active Vibration for Bracing Behaviors and Motion Extensions Using Environment in Musculoskeletal Humanoids, in Proceedings of the 2021 IEEE International Conference on Soft Robotics (ROBOSOFT2021), pp. 126-133, 2021
    [Paper Link]
  • K. Kawaharazuka, Y. Koga, K. Tsuzuki, M. Onitsuka, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Exceeding the Maximum Speed Limit of the Joint Angle for the Redundant Tendon-driven Structures of Musculoskeletal Humanoids, in Proceedings of the 2020 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2020), pp. 3585-3590, 2020
    [Paper Link]
  • K. Kawaharazuka, Y. Koga, K. Tsuzuki, M. Onitsuka, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Applications of Stretch Reflex for the Upper Limb of Musculoskeletal Humanoids: Protective Behavior, Postural Stability, and Active Induction, in Proceedings of the 2020 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2020), pp. 3598-3603, 2020
    [Paper Link]
  • K. Kawaharazuka, K. Tsuzuki, M. Onitsuka, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Stable Tool-Use with Flexible Musculoskeletal Hands by Learning the Predictive Model of Sensor State Transition, in Proceedings of the 2020 IEEE International Conference on Robotics and Automation (ICRA2020), pp. 4572-4578, 2020
    [Paper Link] [Arxiv Link] [Video]
  • K. Kawaharazuka, S. Makino, K. Tsuzuki, M. Onitsuka, Y. Nagamatsu, K. Shinjo, T. Makabe, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Component Modularized Design of Musculoskeletal Humanoid Platform Musashi to Investigate Learning Control Systems, in Proceedings of the 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2019), pp. 7294-7301, 2019
    [Paper Link]
  • K. Kawaharazuka, K. Tsuzuki, S. Makino, M. Onitsuka, K. Shinjo, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Task-specific Self-body Controller Acquisition by Musculoskeletal Humanoids: Application to Pedal Control in Autonomous Driving, in Proceedings of the 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2019), pp. 813-818, 2019
    [Paper Link]
  • K. Shinjo, K. Kawaharazuka, Y. Asano, S. Nakashima, S. Makino, M. Onitsuka, K. Tsuzuki, K. Okada, K. Kawasaki, M. Inaba
    Foot with a Core-shell Structural Six-axis Force Sensor for Pedal Depressing and Recovering from Foot Slipping during Pedal Pushing Toward Autonomous Driving by Humanoids, in Proceedings of the 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2019), pp. 3049-3054, 2019
    [Paper Link]
  • K. Kawaharazuka, K. Tsuzuki, M. Onitsuka, Y. Koga, Y. Omura, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Reflex-based Motion Strategy of Musculoskeletal Humanoids under Environmental Contact Using Muscle Relaxation Control, in Proceedings of the 2019 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2019), pp. 114-119, 2019
    [Paper Link]
  • S. Makino, K. Kawaharazuka, M. Kawamura, A. Fujii, T. Makabe, M. Onitsuka, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Five-Fingered Hand with Wide Range of Thumb Using Combination of Machined Springs and Variable Stiffness Joints, in Proceedings of the 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2018), pp. 4562-4567, 2018, IEEE RAS Japan Joint Chapter Young Award (2018), IROS ICROS Best Application Paper Award 2018 Finalists
    [Paper Link] [Arxiv Link] [Video]

MusashiWheeled - Wheeled Musculoskeletal Humanoid

Image MusashiWheeled
  • K. Kawaharazuka, K. Okada, M. Inaba
    Deep Predictive Model Learning with Parametric Bias: Handling Modeling Difficulties and Temporal Model Changes, IEEE Robotics and Automation Magazine (RAM), 2023, (presented at ICRA2023)
    [Paper Link] [Arxiv Link]
  • K. Kawaharazuka, A. Miki, M. Bando, K. Okada, M. Inaba
    Dynamic Cloth Manipulation Considering Variable Stiffness and Material Change Using Deep Predictive Model With Parametric Bias, Frontiers in Neurorobotics, vol. 16, pp. 1-16, 2022
    [Paper Link] [Arxiv Link] [Video]
  • K. Kawaharazuka, A. Miki, Y. Toshimitsu, K. Okada, M. Inaba
    Adaptive Body Schema Learning System Considering Additional Muscles for Musculoskeletal Humanoids, IEEE Robotics and Automation Letters (RAL), vol. 7, no. 2, pp. 3459-3466, 2022, (presented at ICRA2022)
    [Paper Link]
  • S. Yuzaki, A. Miki, M. Bando, S. Yoshimura, T. Suzuki, K. Kawaharazuka, K. Okada, M. Inaba
    Fusion of Body and Environment with Movable Carabiners for Wire-Driven Robots Toward Expansion of Physical Capabilities, in Proceedings of the 2023 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2023), pp. 679-685, 2023
    [Paper Link]
  • A. Miki, K. Kawaharazuka, M. Bando, K. Okada, K. Kawasaki, M. Inaba
    System Architecture and Real-World Task Realization of Musculoskeletal Wheeled Robot Musashi-W with Various Hardware Components, in Proceedings of the 18th International Conference on Intelligent Autonomous Systems (IAS2023), pp. 109-122, 2023
    [Paper Link]
  • K. Kawaharazuka, A. Miki, M. Bando, T. Suzuki, Y. Ribayashi, Y. Toshimitsu, Y. Nagamatsu, K. Okada, M. Inaba
    Hardware Design and Learning-Based Software Architecture of Musculoskeletal Wheeled Robot Musashi-W for Real-World Applications, in Proceedings of the 2022 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2022), pp. 413-419, 2022, Best Interactive Paper Award Finalist
    [Paper Link] [Arxiv Link] [Video]

MusashiOLegs - Highly-Biomimetic Modularized Legs

Image MusashiOLegs
  • K. Kawaharazuka, K. Okada, M. Inaba
    Realization of Seated Walk by a Musculoskeletal Humanoid with Buttock-Contact Sensors From Human Constrained Teaching, in Proceedings of the 2022 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2022), pp. 5774-5780, 2022
    [Paper Link] [Arxiv Link] [Video]
  • M. Onitsuka, M. Nishiura, K. Kawaharazuka, K. Tsuzuki, Y. Toshimitsu, Y. Omura, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Development of Musculoskeletal Legs with Planar Interskeletal Structures to Realize Human Comparable Moving Function, in Proceedings of the 2020 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2020), pp. 17-24, 2021, Best Oral Paper Award, Finalists of Mike Stilman Paper Award
    [Paper Link] [Arxiv Link] [Video]

MusashiLarm - Left Arm of Musashi

Image MusashiLarm
  • K. Kawaharazuka, K. Okada, M. Inaba
    Deep Predictive Model Learning with Parametric Bias: Handling Modeling Difficulties and Temporal Model Changes, IEEE Robotics and Automation Magazine (RAM), 2023, (presented at ICRA2023)
    [Paper Link] [Arxiv Link]
  • K. Kawaharazuka, K. Okada, M. Inaba
    Adaptive Robotic Tool-Tip Control Learning Considering Online Changes in Grasping State, IEEE Robotics and Automation Letters (RAL), vol. 6, no. 3, pp. 5992-5999, 2021, (presented at IROS2021)
    [Paper Link] [Arxiv Link] [Video]
  • K. Kawaharazuka, Y. Kawamura, K. Okada, M. Inaba
    Imitation Learning with Additional Constraints on Motion Style using Parametric Bias, IEEE Robotics and Automation Letters (RAL), vol. 6, no. 3, pp. 5897-5904, 2021, (presented at IROS2021)
    [Paper Link] [Arxiv Link] [Video]
  • Y. Toshimitsu, K. Kawaharazuka, M. Nishiura, Y. Koga, Y. Omura, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Biomimetic Operational Space Control for Musculoskeletal Humanoid Optimizing across Muscle Activation and Joint Nullspace, in Proceedings of the 2021 IEEE International Conference on Robotics and Automation (ICRA2021), pp. 1184-1190, 2021
    [Paper Link] [Video]

TWIMP - Two-Wheeled Inverted Musculoskeletal Pendulum

Image TWIMP
  • K. Kawaharazuka, T. Makabe, S. Makino, K. Tsuzuki, Y. Nagamatsu, Y. Asano, T. Shirai, F. Sugai, K. Okada, K. Kawasaki, M. Inaba
    TWIMP: Two-Wheel Inverted Musculoskeletal Pendulum as a Learning Control Platform in the Real World with Environmental Physical Contact, in Proceedings of the 2018 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2018), pp. 784-790, 2018, (The first two authors contributed equally to this work)
    [Paper Link] [Arxiv Link] [Video]

Kengoro - Highly-Biomimetic Musculoskeletal Humanoid

Image Kengoro
  • Y. Koga, K. Kawaharazuka, Y, Toshimitsu, M. Nishiura, Y. Omura, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Self-Body Image Acquisition and Posture Generation with Redundancy using Musculoskeletal Humanoid Shoulder Complex for Object Manipulation, IEEE Robotics and Automation Letters (RAL), vol. 6, no. 4, pp. 6686-6692, 2021, (presented at IROS2021)
    [Paper Link]
  • K. Kawaharazuka, M. Nishiura, Y. Koga, Y. Omura, Y. Toshimitsu, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Automatic Grouping of Redundant Sensors and Actuators Using Functional and Spatial Connections: Application to Muscle Grouping for Musculoskeletal Humanoids, IEEE Robotics and Automation Letters (RAL), vol. 6, no. 2, pp. 1981-1988, 2021, (presented at ICRA2021)
    [Paper Link] [Arxiv Link] [Video]
  • K. Kawaharazuka, S. Makino, M. Kawamura, S. Nakashima, Y. Asano, K. Okada, M. Inaba
    Human Mimetic Forearm and Hand Design with a Radioulnar Joint and Flexible Machined Spring Finger for Human Skillful Motions, Journal of Robotics and Mechatronics (JRM), vol. 32, no. 2, pp. 445-458, 2020, (The first two authors contributed equally to this work)
    [Paper Link] [Arxiv Link] [Video]
  • K. Kawaharazuka, S. Makino, M. Kawamura, Y. Asano, K. Okada, M. Inaba
    Online Learning of Joint-Muscle Mapping using Vision in Tendon-driven Musculoskeletal Humanoids, IEEE Robotics and Automation Letters (RAL), vol. 3, no. 2, pp. 772-779, 2018, (presented at ICRA2018)
    [Paper Link] [Arxiv Link] [Video]
  • K. Kawaharazuka, M. Kawamura, S. Makino, Y. Asano, K. Okada, M. Inaba
    Antagonist Inhibition Control in Redundant Tendon-driven Structures Based on Human Reciprocal Innervation for Wide Range Limb Motion of Musculoskeletal Humanoids, IEEE Robotics and Automation Letters (RAL), vol. 2, no. 4, pp. 2119-2126, 2017, (presented at IROS2017)
    [Paper Link] [Arxiv Link] [Video]
  • Y. Toshimitsu, K. Kawaharazuka, K. Tsuzuki, M. Onitsuka M. Nishiura, Y. Koga, Y. Omura, M. Tomita, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Biomimetic Control Scheme for Musculoskeletal Humanoids Based on Motor Directional Tuning in the Brain, in Proceedings of the 2020 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2020), pp. 7784-7791, 2020
    [Paper Link] [Video]
  • Y. Koga, K. Kawaharazuka, M. Onitsuka, T. Makabe, K. Tsuzuki, Y. Omura, Y. Asano, K. Okada, M. Inaba
    Modification of Muscle Antagonistic Relations and Hand Trajectory on the Dynamic Motion of Musculoskeletal Humanoid, in Proceedings of the 2019 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2019), pp. 632-637, 2019
    [Paper Link]
  • Y. Asano, S. Nakashima, I. Yanokura, M. Onitsuka, K. Kawaharazuka, K. Tsuzuki, Y. Koga, Y. Omura, K. Okada, M. Inaba
    Ankle-Hip-Stepping Stabilizer on Tendon-Driven Humanoid Kengoro by Integration of Muscle-Joint-Work Space Controllers for Knee-Stretched Humanoid Balance, in Proceedings of the 2019 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2019), pp. 397-402, 2019
    [Paper Link]
  • K. Kawaharazuka, S. Makino, M. Kawamura, Y. Asano, K. Okada, M. Inaba
    A Method of Joint Angle Estimation Using Only Relative Changes in Muscle Lengths for Tendon-driven Humanoids with Complex Musculoskeletal Structures, in Proceedings of the 2018 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2018), pp. 1128-1135, 2018
    [Paper Link] [Arxiv Link] [Video]
  • T. Makabe, K. Kawaharazuka, K. Tsuzuki, K. Wada, S. Makino, M. Kawamura, A. Fujii, M. Onitsuka, Y. Asano, K. Okada, K. Kawasaki, M. Inaba
    Development of Movable Binocular High-Resolution Eye-Camera Unit for Humanoid and the Evaluation of Looking Around Fixation Control and Object Recognition, in Proceedings of the 2018 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2018), pp. 840-845, 2018
    [Paper Link]
  • K. Kawaharazuka, S. Makino, M. Kawamura, A. Fujii, Y. Asano, K. Okada, M. Inaba
    Online Self-body Image Acquisition Considering Changes in Muscle Routes Caused by Softness of Body Tissue for Tendon-driven Musculoskeletal Humanoids, in Proceedings of the 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2018), pp. 1711-1717, 2018
    [Paper Link] [Arxiv Link] [Video]
  • K. Kawaharazuka, S. Makino, M. Kawamura, Y. Asano, Y. Kakiuchi, K. Okada, M. Inaba
    Human Mimetic Forearm Design with Radioulnar Joint using Miniature Bone-muscle Modules and its Applications, in Proceedings of the 2017 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2017), pp. 4956-4962, 2017, IEEE RAS Japan Joint Chapter Young Award (2017)
    [Paper Link] [Arxiv Link] [Video]
  • S. Makino, K. Kawaharazuka, M. Kawamura, Y. Asano, K. Okada, M. Inaba
    High-power, flexible, robust hand: Development of musculoskeletal hand using machined springs and realization of self-weight supporting motion with humanoid, in Proceedings of the 2017 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2017), pp. 1187-1192, 2017
    [Paper Link] [Arxiv Link] [Video]
  • Y. Asano, T. Kozuki, S. Ookubo, M. Kawamura, S. Nakashima, T. Katayama, Y. Iori, H. Toshinori, K. Kawaharazuka, S. Makino, Y. Kakiuchi, K. Okada, M. Inaba
    Human Mimetic Musculoskeletal Humanoid Kengoro toward Real World Physically Interactive Actions, in Proceedings of the 2016 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2016), pp. 876-883, 2016, Best Interactive Paper Award Finalist
    [Paper Link] [Video]

Chair-Type Asymmetrical Tripedal Robot

Image Suzume
  • S. Inoue, K. Kawaharazuka, K. Okada, M. Inaba
    Body Design and Gait Generation of Chair-Type Asymmetrical Tripedal Low-rigidity Robot, in Proceedings of the 2024 IEEE International Conference on Soft Robotics (ROBOSOFT2024), pp. 593-600, 2024
    [Paper Link] [Arxiv Link] [Project Page] [Video]

ORS - Modular Robot with Lock Mechanism

Image ORS
  • K. Kawaharazuka, T. Makabe, K. Okada, M. Inaba
    Daily Assistive Modular Robot Design Based on Multi-Objective Black-Box Optimization, in Proceedings of the 2023 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2023), pp. 9970-9977, 2023
    [Paper Link] [Arxiv Link] [Project Page] [Video]
  • H. Sato, K. Kawaharazuka, T. Makabe, K. Okada, M. Inaba
    Online Estimation of Self-Body Deflection with Various Sensor Data Based on Directional Statistics, in Proceedings of the 2023 IEEE/SICE International Symposium on System Integration (SII2023), pp. 1-8, 2023
    [Paper Link] [Arxiv Link]

A0B - Manipulator with High-Speed Communication

Image A0B
  • L. Wu, K. Kawaharazuka, S. Hasegawa, K. Okada, M. Inaba
    Workspace-Based Precision Grasp Pose Generator for Multi-Fingered Robotic Hands, in Proceedings of the 18th International Conference on Intelligent Autonomous Systems (IAS2023), pp. 379-392, 2023
    [Paper Link]

Jaxon - High Power Humanoid

Image JAXON
  • A. Tang, T. Hiraoka, N. Hiraoka, F. Shi, K. Kawaharazuka, K. Kojima, K. Okada, M. Inaba
    HumanMimic: Learning Natural Locomotion and Transitions for Humanoid Robot via Wasserstein Adversarial Imitation, in Proceedings of the 2024 IEEE International Conference on Robotics and Automation (ICRA2024), pp. 13107-13114, 2024
    [Paper Link] [Arxiv Link] [Video]
  • Y. Matsuura, K. Kawaharazuka, N. Hiraoka, K. Kojima, K. Okada, M. Inaba
    Development of a Whole-Body Work Imitation Learning System by a Biped and Bi-Armed Humanoid, in Proceedings of the 2023 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2023), pp. 10374-10381, 2023
    [Paper Link] [Arxiv Link] [Project Page] [Video]

DualPanda - Dual-Arm Manipulator

Image DualPanda
  • K. Kawaharazuka, K. Okada, M. Inaba
    Robotic Constrained Imitation Learning for the Peg Transfer Task in Fundamentals of Laparoscopic Surgery, in Proceedings of the 2024 IEEE International Conference on Robotics and Automation (ICRA2024), pp. 606-612, 2024
    [Paper Link] [Arxiv Link] [Project Page] [Video]

HIRO - Dual-Arm Manipulator

Image Saqiel
  • Y. Iwata, S. Hasegawa, K. Kawaharazuka, K. Okada, M. Inaba
    Integrative Wrapping System for a Dual-Arm Humanoid Robot, in Proceedings of the 2024 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2024), 2024

MyCobot - Low-Cost Low-Rigidity Manipulator

Image MyCobot
  • K. Kawaharazuka, K. Okada, M. Inaba
    Deep Predictive Model Learning with Parametric Bias: Handling Modeling Difficulties and Temporal Model Changes, IEEE Robotics and Automation Magazine (RAM), 2023, (presented at ICRA2023)
    [Paper Link] [Arxiv Link]
  • K. Kawaharazuka, N. Kanazawa, K. Okada, M. Inaba
    Self-Supervised Learning of Visual Servoing for Low-Rigidity Robots Considering Temporal Body Changes, IEEE Robotics and Automation Letters (RAL), vol. 7, no. 3, pp. 7881-7887, 2022, SICE International Young Authors Award (SIYA-IROS2022), (presented at IROS2022)
    [Paper Link] [Arxiv Link] [Video]
  • K. Kawaharazuka, N. Kanazawa, Y. Obinata, K. Okada, M. Inaba
    Daily Assistive View Control Learning of Low-Cost Low-Rigidity Robot via Large-Scale Vision-Language Model, in Proceedings of the 2023 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2023), pp. 452-457, 2023
    [Paper Link] [Arxiv Link]
  • K. Kawaharazuka, N. Kanazawa, K. Okada, M. Inaba
    Learning-Based Wiping Behavior of Low-Rigidity Robots Considering Various Surface Materials and Task Definitions, in Proceedings of the 2022 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2022), pp. 919-924, 2022
    [Paper Link] [Arxiv Link] [Video]

KXR - Low-Rigidity Plastic-Made Humanoid

Image KXR
  • K. Kawaharazuka, K. Okada, M. Inaba
    GeMuCo: Generalized Multisensory Correlational Model for Body Schema Learning, IEEE Robotics and Automation Magazine (RAM), 2024, (presented at ICRA2025)
    [Paper Link] [Arxiv Link]
  • K. Kawaharazuka, K. Okada, M. Inaba
    Robot Design Optimization with Rotational and Prismatic Joints Using Black-Box Multi-Objective Optimization, in Proceedings of the 2024 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2024), 2024
    [Arxiv Link] [Project Page] [Video]
  • K. Kawaharazuka, K. Okada, M. Inaba
    Adaptive Whole-body Robotic Tool-use Learning on Low-rigidity Plastic-made Humanoids Using Vision and Tactile Sensors, in Proceedings of the 2024 IEEE International Conference on Robotics and Automation (ICRA2024), pp. 583-589, 2024
    [Paper Link] [Arxiv Link] [Project Page] [Video]

Fetch - Mobile Manipulator

Image Fetch
  • K. Kawaharazuka, Y. Obinata, N. Kanazawa, N. Tsukamoto, K. Okada, M. Inaba
    Reflex-Based Open-Vocabulary Navigation without Prior Knowledge Using Omnidirectional Camera and Multiple Vision-Language Models, Advanced Robotics (AR), vol. 38, no. 18, pp. 1307-1317, 2024
    [Paper Link] [Arxiv Link] [Project Page] [Video]
  • K. Kawaharazuka, Y. Obinata, N. Kanazawa, K. Okada, M. Inaba
    Robotic Environmental State Recognition with Pre-Trained Vision-Language Models and Black-Box Optimization, Advanced Robotics (AR), vol. 38, no. 18, pp. 1255-1264, 2024
    [Paper Link] [Arxiv Link] [Project Page] [Video]
  • K. Kawaharazuka, K. Okada, M. Inaba
    Deep Predictive Model Learning with Parametric Bias: Handling Modeling Difficulties and Temporal Model Changes, IEEE Robotics and Automation Magazine (RAM), 2023, (presented at ICRA2023)
    [Paper Link] [Arxiv Link]
  • K. Kawaharazuka, Y. Obinata, N. Kanazawa, K. Okada, M. Inaba
    Robotic State Recognition with Image-to-Text Retrieval Task of Pre-Trained Vision-Language Model and Black-Box Optimization, in Proceedings of the 2024 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2024), 2024
    [Arxiv Link]
  • K. Kawaharazuka, Y. Obinata, N. Kanazawa, K. Okada, M. Inaba
    Robotic Applications of Pre-Trained Vision-Language Models to Various Recognition Behaviors, in Proceedings of the 2023 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2023), pp. 458-465, 2023
    [Paper Link] [Arxiv Link]
  • Y. Obinata, K. Kawaharazuka, N. Kanazawa, N. Yamaguchi, N. Tsukamoto, I. Yanokura, S. Kitagawa, K. Shinjo, K. Okada, M. Inaba
    Semantic Scene Difference Detection in Daily Life Patroling by Mobile Robots Using Pre-Trained Large-Scale Vision-Language Model, in Proceedings of the 2023 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2023), pp. 3228-3233, 2023, IEEE RAS Japan Joint Chapter Young Award (2023), SICE International Young Authors Award (SIYA-IROS2023)
    [Paper Link] [Arxiv Link]
  • K. Kawaharazuka, Y. Obinata, N. Kanazawa, K. Okada, M. Inaba
    VQA-based Robotic State Recognition Optimized with Genetic Algorithm, in Proceedings of the 2023 IEEE International Conference on Robotics and Automation (ICRA2023), pp. 8306-8311, 2023
    [Paper Link] [Arxiv Link]
  • K. Kawaharazuka, K. Shinjo, Y. Kawamura, K. Okada, M. Inaba
    Environmentally Adaptive Control Including Variance Minimization Using Stochastic Predictive Network with Parametric Bias: Application to Mobile Robots, in Proceedings of the 2021 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS2021), pp. 8381-8387, 2021
    [Paper Link]
  • K. Kawaharazuka, Y. Obinata, N. Kanazawa, K. Okada, M. Inaba
    Binary State Recognition by Robots using Visual Question Answering of Pre-Trained Vision-Language Model, arXiv preprint arXiv:2310.16405, 2023
    [Arxiv Link]

PR2 - Mobile Manipulator

Image PR2
  • N. Kanazawa, K. Kawaharazuka, Y. Obinata, K. Okada, M. Inaba
    Real-world cooking robot system from recipes based on food state recognition using foundation models and PDDL, Advanced Robotics (AR), vol. 38, no. 18, pp. 1318-1334, 2024
    [Paper Link] [Arxiv Link] [Project Page] [Video]
  • S. Wakabayashi, K. Kawaharazuka, K. Okada, M. Inaba
    Behavioral Learning of Dish Rinsing and Scrubbing based on Interruptive Direct Teaching Considering Assistance Rate, Advanced Robotics (AR), vol. 38, no. 15, pp. 1052-1065, 2024
    [Paper Link] [Arxiv Link]
  • K. Kawaharazuka, K. Okada, M. Inaba
    GeMuCo: Generalized Multisensory Correlational Model for Body Schema Learning, IEEE Robotics and Automation Magazine (RAM), 2024, (presented at ICRA2025)
    [Paper Link] [Arxiv Link]
  • K. Kawaharazuka, N. Kanazawa, Y. Obinata, K. Okada, M. Inaba
    Continuous Object State Recognition for Cooking Robots Using Pre-Trained Vision-Language Models and Black-box Optimization, IEEE Robotics and Automation Letters (RAL), vol. 9, no. 5, pp. 4059-4066, 2024, (presented at Humanoids2024)
    [Paper Link] [Arxiv Link] [Project Page] [Video]
  • K. Kawaharazuka, K. Okada, M. Inaba
    Deep Predictive Model Learning with Parametric Bias: Handling Modeling Difficulties and Temporal Model Changes, IEEE Robotics and Automation Magazine (RAM), 2023, (presented at ICRA2023)
    [Paper Link] [Arxiv Link]
  • K. Kawaharazuka, K. Okada, M. Inaba
    Adaptive Robotic Tool-Tip Control Learning Considering Online Changes in Grasping State, IEEE Robotics and Automation Letters (RAL), vol. 6, no. 3, pp. 5992-5999, 2021, (presented at IROS2021)
    [Paper Link] [Arxiv Link] [Video]
  • K. Kawaharazuka, Y. Kawamura, K. Okada, M. Inaba
    Imitation Learning with Additional Constraints on Motion Style using Parametric Bias, IEEE Robotics and Automation Letters (RAL), vol. 6, no. 3, pp. 5897-5904, 2021, (presented at IROS2021)
    [Paper Link] [Arxiv Link] [Video]
  • Y. Obinata, H. Jia, K. Kawaharazuka, N. Kanazawa, K. Okada
    Remote Life Support Robot Interface System for Global Task Planning and Local Action Expansion Using Foundation Models, in Proceedings of the 2024 IEEE-RAS International Conference on Humanoid Robots (HUMANOIDS2024), 2024
  • N. Kanazawa, K. Kawaharazuka, Y. Obinata, K. Okada, M. Inaba
    Recognition of Heat-Induced Food State Changes by Time-Series Use of Vision-Language Model for Cooking Robot, in Proceedings of the 18th International Conference on Intelligent Autonomous Systems (IAS2023), pp. 547-560, 2023
    [Paper Link] [Arxiv Link]

HSR - Human Support Robot

Image HSR
  • Y. Obinata, N. Kanazawa, K. Kawaharazuka, I. Yanokura, S. Kim, K. Okada, M. Inaba
    Foundation Model based Open Vocabulary Task Planning and Executive System for General Purpose Service Robots, arXiv preprint arXiv:2308.03357, 2023
    [Arxiv Link] [Video]

Spot - Quadruped Robot

Image Spot
  • A. Ichikura, K. Kawaharazuka, Y. Obinata, K. Okada, M. Inaba
    A Method for Selecting Scenes and Emotion-Based Descriptions for a Robot's Diary, in Proceedings of the 32nd IEEE International Conference on Robot and Human Interactive Communication (ROMAN2023), pp. 1683-1688, 2023
    [Paper Link] [Arxiv Link]
  • A. Ichikura, K. Kawaharazuka, Y. Obinata,, K. Shinjo, K. Okada, M. Inaba
    Automatic Diary Generation System Including Information on Joint Experiences between Humans and Robots, in Proceedings of the 18th International Conference on Intelligent Autonomous Systems (IAS2023), pp. 399-412, 2023
    [Paper Link] [Arxiv Link]