A new impedance control concept for elastic joint robots -a case of a 1 DOF robot with programmable linear passive impedance. - Ryuta Ozawa; Hiroaki Kobayashi (ICRA, 2003)

Adaptive neural network control of tendon-driven mechanisms with elastic tendons. - Hiroaki Kobayashi; Ryuta Ozawa (Autom., 2003)

Why does Surplus DOF of Robot Fingers Enhance Dexterity of Object Manipulation: Analysis and Simulation of Overall Fingers-object Dynamics. - Suguru Arimoto; Ji-Hun Bae; Hiroe Hashiguchi; Ryuta Ozawa (ICRA, 2004)

Stable Grasping and Relative Angle Control of an Object by Dual Finger Robots without Object Sensing. - Ryuta Ozawa; Suguru Arimoto; Morio Yoshida; Shinsuke Nakamura (ICRA, 2004)

A sensory feedback method for a handwriting robot with D.O.F. redundancy. - Hiroe Hashiguchi; Suguru Arimoto; Ryuta Ozawa (IROS, 2004)

Feasibility study of pinching of a rigid object with non-parallel flat surfaces. - Morio Yoshida; Suguru Arimoto; Ryuta Ozawa (IROS, 2004)

Dexterity Analysis of Human and Robotic Grasping Motions from the Viewpoint of Dynamics. - Ji-Hun Bae; Suguru Arimoto; Masahiro Sekimoto; Ryuta Ozawa (ROBIO, 2004)

Manipulation of a circular object in a horizontal plane by two finger robots. - Ryuta Ozawa; Suguru Arimoto; Pham Thuc Anh Nguyen; Morio Yoshida; Ji-Hun Bae (ROBIO, 2004)

Natural Resolution of Ill-Posedness of Inverse Kinematics for Redundant Robots Under Constraints. - Suguru Arimoto; Ji-Hun Bae; Hiroe Hashiguchi; Ryuta Ozawa (Commun. Inf. Syst., 2004)

Control of a Handwriting Robot with DOF Redundancy Based on Feedback in Task Coordinates. - Hiroe Hashiguchi; Suguru Arimoto; Ryuta Ozawa (J. Robotics Mechatronics, 2004)

Two-Dimensional Stable Blind Grasping under the Gravity Effect. - Suguru Arimoto; Ryuta Ozawa; Morio Yoshida (ICRA, 2005)

Physiologically Inspired Robot Control: A Challenge to Bernstein's Degrees-of-Freedom Problem. - Suguru Arimoto; Masahiro Sekimoto; Hiroe Hashiguchi; Ryuta Ozawa (ICRA, 2005)

Generation of fingering motions by robotic fingers using morphological characteristics of human thumb. - Ji-Hun Bae; Suguru Arimoto; Morio Yoshida; Ryuta Ozawa (IROS, 2005)

Manipulation of a circular object without object information. - Ryuta Ozawa; Suguru Arimoto; Pham Thuc Anh Nguyen; Morio Yoshida; Ji-Hun Bae (IROS, 2005)

Natural resolution of ill-posedness of inverse kinematics for redundant robots: a challenge to Bernstein's degrees-of-freedom problem. - Suguru Arimoto; Masahiro Sekimoto; Hiroe Hashiguchi; Ryuta Ozawa (Adv. Robotics, 2005)

A Challenge to Bernstein's Degrees-of-Freedom Problem in Both Cases of Human and Robotic Multi-Joint Movements. - Suguru Arimoto; Masahiro Sekimoto; Ryuta Ozawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Generation of natural motions for redundant multi-joint systems: A differential-geometric approach based upon the principle of least actions. - Suguru Arimoto; Hiroe Hashiguchi; Masahiro Sekimoto; Ryuta Ozawa (J. Field Robotics, 2005)

Control of an object with parallel surfaces by a pair of finger robots without object sensing. - Ryuta Ozawa; Suguru Arimoto; Shinsuke Nakamura; Ji-Hun Bae (IEEE Trans. Robotics, 2005)

A Unified Approach for Multi-Fingered Manipulation with Non-Sliding Contact in a Horizontal Plane. - Ryuta Ozawa; Suguru Arimoto (ICARCV, 2006)

A Unified Control Scheme for a whole Robotic Arm-Fingers System in Grasping and Manipulation. - Ji-Hun Bae; Suguru Arimoto; Ryuta Ozawa; Masahiro Sekimoto; Morio Yoshida (ICRA, 2006)

Multi-fingered Dynamic Blind Grasping with Tactile Feedback in a Horizontal Plane. - Ryuta Ozawa; Ji-Hun Bae; Suguru Arimoto (ICRA, 2006)

Bio-mimetic Study on Pinching Motions of a Dual-finger Model with Synergistic Actuation of Antagonist Muscles. - Kenji Tahara; Zhi Wei Luo; Ryuta Ozawa; Ji-Hun Bae; Suguru Arimoto (ICRA, 2006)

Manipulation of a Circular Object by a Pair of Multi-DOF Robotic Fingers. - Pham Thuc Anh Nguyen; Ryuta Ozawa; Suguru Arimoto (IROS, 2006)

Supervisory Control Strategies in a Multi-Fingered Robotic Hand System. - Ryuta Ozawa; T. Yoshinari; Hiroe Hashiguchi; Suguru Arimoto (IROS, 2006)

Development of an ankle-foot orthosis with a pneumatic passive element. - Hiroaki Hirai; Ryuta Ozawa; Satoru Goto; Hiroki Fujigaya; Shodo Yamasaki; Yasuhiko Hatanaka; Sadao Kawamura (RO-MAN, 2006)

Dexterity and versatility in the pinching motion of robot fingers with multi-degrees of freedom. - Ji-Hun Bae; Suguru Arimoto; Masahiro Sekimoto; Ryuta Ozawa (Adv. Robotics, 2006)

Supervisory control of a multi-fingered robotic hand system with data glove. - Ryuta Ozawa; Nao Ueda (IROS, 2007)

Design and control of underactuated tendon-driven mechanisms. - Ryuta Ozawa; Kazunori Hashirii; Hiroaki Kobayashi (ICRA, 2009)

Adaptive task space PD control via implicit use of visual information. - Ryuta Ozawa; Yujiro Oobayashi (SyRoCo, 2009)

Control of a powered planar biped without ankle actuation. - Ryuta Ozawa; Yoshimasa Kojima (IROS, 2010)

Effects of elasticity on an under-actuated tendon-driven robotic finger. - Ryuta Ozawa; Michinori Moriya (ROBIO, 2010)

Dynamic visual servoing with image moments for a quadrotor using a virtual spring approach. - Ryuta Ozawa; François Chaumette (ICRA, 2011)

Passivity-based balance control for a biped robot. - Ryuta Ozawa; Jun'ya Ishizaki (ICRA, 2011)

Biomimetic Pinching Movements of a Musculo-Skeletal Dual-Finger Model. - Kenji Tahara; Suguru Arimoto; Ryuta Ozawa; Zhi Wei Luo (Adv. Robotics, 2011)

Passivity-based symmetric posture control and the effects of mass distribution and internal impedance on balance. - Ryuta Ozawa; Jun'ya Ishizaki (Humanoids, 2012)

Joint control of tendon-driven mechanisms with branching tendons. - Daisuke Sawada; Ryuta Ozawa (ICRA, 2012)

A supervisory control system for a multi-fingered robotic hand using datagloves and a haptic device. - Yohtaro Yoshimura; Ryuta Ozawa (IROS, 2012)

Inverse Dynamics of Human Passive Motion Based on Iterative Learning Control. - Shohei Taniguchi; Hitoshi Kino; Ryuta Ozawa; Ryota Ishibashi; Mitsunori Uemura; Katsuya Kanaoka; Sadao Kawamura (IEEE Trans. Syst. Man Cybern. Part A, 2012)

An under-actuated robotic hand for multiple grasps. - Kazuki Mitsui; Ryuta Ozawa; Toshiyuki Kou (IROS, 2013)

Dynamic visual servoing with image moments for an unmanned aerial vehicle using a virtual spring approach. - Ryuta Ozawa; François Chaumette (Adv. Robotics, 2013)

Design of a tendon-driven robotic hand with an embedded camera. - Kazuki Mitsui; Ryuta Ozawa (ICRA, 2014)

Design of a robotic finger using series gear chain mechanisms. - Yuuki Mishima; Ryuta Ozawa (IROS, 2014)

Design and control of a three-fingered tendon-driven robotic hand with active and passive tendons. - Ryuta Ozawa; Kazunori Hashirii; Yohtaro Yoshimura; Michinori Moriya; Hiroaki Kobayashi (Auton. Robots, 2014)

Analysis, Classification, and Design of Tendon-Driven Mechanisms. - Ryuta Ozawa; Hiroaki Kobayashi; Kazunori Hashirii (IEEE Trans. Robotics, 2014)

Design of tendon-driven mechanisms for fault tolerance from tendon-breaking by using centroid vectors. - Ryuta Ozawa; Hiroaki Kobayashi; Kazuhito Hyodo (ICRA, 2015)

Adaptive impedance control of a variable stiffness actuator. - Ryuta Ozawa; Hiroaki Kobayashi; Ryota Ishibashi (Adv. Robotics, 2015)

Design of low-cost and easy-assemblable robotic hands with stiff and elastic gear trains. - Yasuyuki Hirano; Kensaku Akiyama; Ryuta Ozawa (IROS, 2016)

Design of a Transmission With Gear Trains for Underactuated Mechanisms. - Ryuta Ozawa; Yuuki Mishima; Yasuyuki Hirano (IEEE Trans. Robotics, 2016)

Grasp and dexterous manipulation of multi-fingered robotic hands: a review from a control view point. - Ryuta Ozawa; Kenji Tahara (Adv. Robotics, 2017)

Force-Sensorless Fault Tolerant Detection and Switching Control of Tendon-Driven Mechanisms With Redundant Tendons. - Kiichi Suehiro; Ryuta Ozawa; Kirill Van Heerden (IEEE Robotics Autom. Lett., 2017)

A Sensorless Collision Detection Approach Based on Virtual Contact Points. - Zhe Qiu; Ryuta Ozawa (ICRA, 2018)

A force-sensorless approach to collision detection based on virtual powers. - Zhe Qiu; Ryuta Ozawa; Shugen Ma (Adv. Robotics, 2019)

Design of 3D-printed assembly mechanisms based on special wooden joinery techniques and its application to a robotic hand. - Akihiro Katsumaru; Ryuta Ozawa (ICRA, 2020)

Functionally Divided Manipulation Synergy for Controlling Multi-fingered Hands. - Kazuki Higashi; Keisuke Koyama; Ryuta Ozawa; Kazuyuki Nagata; Weiwei Wan; Kensuke Harada (IROS, 2020)

Adaptive virtual power-based collision detection and isolation with link parameter estimation. - Zhe Qiu; Ryuta Ozawa; Shugen Ma (Adv. Robotics, 2020)

Development of a multifingered robotic hand with the thenar grasp function. - Tomoo Yoneda; Daiki Morihiro; Ryuta Ozawa (Adv. Robotics, 2020)

Passivity-based posture control of a humanoid robot using a power-conserved transformation. - Ryuta Ozawa; Yuki Kakei; Junya Ishizaki (Adv. Robotics, 2021)

Passivity-based multi-contact balancing of humanoid robots based on power-conserved transformations. - Ryuta Ozawa; Takumi Kamioka (Humanoids, 2022)

Torque-Sensing Soft Bellows Actuator for Multi-Fingered Hands Taking Bellow's Buckling Into Consideration. - Kazuki Higashi; Keisuke Koyama; Ryuta Ozawa; Kazuyuki Nagata; Takuya Kiyokawa; Weiwei Wan; Kensuke Harada (IEEE Access, 2023)

Synergy Hand Using Fluid Network: Realization of Various Grasping/Manipulation Styles. - Kazuki Higashi; Keisuke Koyama; Fanny Ficuciello; Ryuta Ozawa; Takuya Kiyokawa; Weiwei Wan; Kensuke Harada (IEEE Access, 2024)