Test method for contact safety assessment of a wearable robot -analysis of load caused by a misalignment of the knee joint-. - Yasuhiro Akiyama; Yoji Yamada; Koji Ito; Shiro Oda; Shogo Okamoto; Susumu Hara (RO-MAN, 2012)

Wearable dummy to simulate joint impairment: Model for the discontinuous friction resistance due to arthritis. - Shun Ishikawa; Shogo Okamoto; Yasuhiro Akiyama; Kaoru Isogai; Yoji Yamada; Susumu Hara (ROBIO, 2012)

Evaluation of the mechanical characteristics of human thighs for developing complex dummy tissues. - Masaya Aso; Yoji Yamada; Kengo Yoshida; Yasuhiro Akiyama; Yasumi Ito (ROBIO, 2013)

Wearable dummy to simulate joint impairment: severity-based assessment of simulated spasticity of knee joint. - Shun Ishikawa; Shogo Okamoto; Kaoru Isogai; Yasuhiro Akiyama; Naomi Yanagihara; Yoji Yamada (SII, 2013)

Wearable Robot for Simulating Knee Disorders in the Training of Manual Examination Techniques. - Shun Ishikawa; Shogo Okamoto; Kaoru Isogai; Naomi Yanagihara-Yamada; Yasuhiro Akiyama; Yujiro Kawasaki; Yoji Yamada (AsiaHaptics, 2014)

Exoskeleton Simulator of Impaired Ankle: Simulation of Spasticity and Clonus. - Hiroshi Okumura; Shogo Okamoto; Shun Ishikawa; Kaoru Isogai; Naomi Yanagihara-Yamada; Yasuhiro Akiyama; Yoji Yamada (AsiaHaptics, 2014)

Analysis of recovery motion of human to prevent fall in response to abnormality with a physical assistant robot. - Yasuhiro Akiyama; Ikuma Higo; Yoji Yamada; Shogo Okamoto (ROBIO, 2014)

Patient simulator using wearable robot: Representation of invariant sitting-down and standing-up motions of patients with knee-OA. - Ryu Kubo; Shogo Okamoto; Shogo Nezaki; Naomi Yamada; Yasuhiro Akiyama; Yoji Yamada (IECON, 2015)

An Analysis of Recovery Motion of a Man Wearing Physical Assistant Robot in Response to Collision. - Yasuhiro Akiyama; Ryota Kushida; Yoji Yamada; Shogo Okamoto (SMC, 2015)

Analysis of Skip Motion as a Recovery Strategy after an Induced Trip. - Kento Mitsuoka; Yasuhiro Akiyama; Yoji Yamada; Shogo Okamoto (SMC, 2015)

Interaction forces beneath cuffs of physical assistant robots and their motion-based estimation. - Yasuhiro Akiyama; Yoji Yamada; Shogo Okamoto (Adv. Robotics, 2015)

Simulated crepitus and its reality-based specification using wearable patient dummy. - Shun Ishikawa; Shogo Okamoto; Yasuhiro Akiyama; Kaoru Isogai; Yoji Yamada (Adv. Robotics, 2015)

Knee Joint Misalignment in Exoskeletons for the Lower Extremities: Effects on User's Gait. - Damiano Zanotto; Yasuhiro Akiyama; Paul Stegall; Sunil Kumar Agrawal (IEEE Trans. Robotics, 2015)

Patient simulator using wearable robot to estimate the burden of knee-osteoarthritis patients during sitting-down and standing-up motions. - Ryu Kubo; Ayaka Hirukawa; Shogo Okamoto; Naomi Yamada; Yasuhiro Akiyama; Yoji Yamada (SMC, 2016)

Analysis of upper extremity motion during trip-induced falls. - Saeed Abdolshah; Yasuhiro Akiyama; Kento Mitsuoka; Yoji Yamada; Shogo Okamoto (RO-MAN, 2017)

The change of gait motion when curving a corner owing to the motion restriction caused by a wearable device. - Yusuke Fukui; Yasuhiro Akiyama; Yoji Yamada; Shogo Okamoto (SMC, 2017)

Ankle stretching rehabilitation machine for equinovarus: Automation of eversion and flexion control. - Takuzo Kimura; Shogo Okamoto; Naomi Yamada; Yasuhiro Akiyama; Kaoru Isogai; Yoji Yamada (SMC, 2017)

Development of a string-driven walking assist device powered by upper body muscles. - Koichiro Ohashi; Yasuhiro Akiyama; Shogo Okamoto; Yoji Yamada (SMC, 2017)

Ankle stretching rehabilitation machine for equinovarus: Design and evaluation from clinical aspects. - Naomi Yamada; Shogo Okamoto; Yasuhiro Akiyama; Kaoru Isogai; Yoji Yamada (SMC, 2017)

Safety verification method for preventing friction blisters during utilization of physical assistant robots. - Xuewei Mao; Yoji Yamada; Yasuhiro Akiyama; Shogo Okamoto; Kengo Yoshida (Adv. Robotics, 2017)

Body-Ownership Illusion by Gazing at a Blurred Fake Hand Image. - Hikaru Hasegawa; Shogo Okamoto; Nader Rajaei; Masayuki Hara; Noriaki Kanayama; Yasuhiro Akiyama; Yoji Yamada (AsiaHaptics, 2018)

The Change of Gait Motion During Curvilinear Obstacle Avoidance While Restricted by a Wearable Robotic Device. - Erik Kramer; Yasuhiro Akiyama; Yusuke Fukui; Yoji Yamada (BioRob, 2018)

Evaluation of Forward Fall on the Outstretched Hand Using MADYMO Human Body Model. - Nader Rajaei; Saeed Abdolshah; Yasuhiro Akiyama; Yoji Yamada; Shogo Okamoto (BioRob, 2018)

Rigid Material on Top of a Compliant Flooring Effectively Reduces the Impact Force In The Event of a Forward Fall. - Nader Rajaei; Saeed Abdolshah; Yasuhiro Akiyama; Yoji Yamada; Shogo Okamoto (ISR, 2018)

Gait motion for naturally curving variously shaped corners. - Yasuhiro Akiyama; Shogo Okamoto; Hitoshi Toda; Takao Ogura; Yoji Yamada (Adv. Robotics, 2018)

Longitudinal Rollover Strategy as Effective Intervention to Reduce Wrist Injuries During Forward Fall. - Saeed Abdolshah; Nader Rajaei; Yasuhiro Akiyama; Yoji Yamada; Shogo Okamoto (IEEE Robotics Autom. Lett., 2018)

Generalized Principal Motion Analysis: Classification of Sit-to-Stand Motions. - Tomoyuki Iwasaki; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (GCCE, 2019)

Shear Stress Sensor for Soft Material with Built-In Piezoelectric Polymer Films. - Fengyu Li; Yasuhiro Akiyama; Xianglong Wan; Yoji Yamada; Shogo Okamoto (GCCE, 2019)

HumTouch: Finger gesture recognition on hydrogel-painted paper using hum-driven signals. - Kyoichi Tachi; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (GCCE, 2019)

Development of a non-actuated wearable device to prevent knee buckling. - Shusuke Naito; Yasuhiro Akiyama; Koichiro Ohashi; Yoji Yamada; Shogo Okamoto (LifeTech, 2019)

Patient Simulation: Handrail Position for Knee-OA Patients Considering Physical Burden and Stability. - Chongyang Qiu; Shogo Okamoto; Naomi Yamada; Yasuhiro Akiyama; Yoji Yamada (LifeTech, 2019)

Pneumatic-driven ankle stretching machine. - Yuma Shiraishi; Shogo Okamoto; Naomi Yamada; Koki Inoue; Yasuhiro Akiyama; Yoji Yamada (LifeTech, 2019)

Knee Pain Patient Simulation for Recommendation of Sit-to-Stand Handrail Positions. - Kohei Yamakawa; Shogo Okamoto; Ryu Kubo; Naomi Yamada; Yasuhiro Akiyama; Yoji Yamada (IEEE Trans. Hum. Mach. Syst., 2019)

Effect of Static Stretching Using Foot Stretching Device in the Elderly: An Interim Report. - Senri Hashimoto; Naomi Yamada; Shogo Okamoto; Yuma Shiraishi; Yasuhiro Akiyama; Yoji Yamada (GCCE, 2020)

HumTouch: Localization of Touch on a Cylindrical Object. - Tzu-Hsuan Hsia; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (GCCE, 2020)

Designing A Dummy Skin by Evaluating Contacts between A Human Hand and A Robot End Tip. - Yumena Iki; Yoji Yamada; Yasuhiro Akiyama; Shogo Okamoto; Jian Liu (IROS, 2020)

HumTouch: Kernel Regression-based Localization of Touch on a Paper. - Tzu-Hsuan Hsia; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (LifeTech, 2020)

Comparison of gait variability and stability indices. - Takashi Inagaki; Shogo Okamoto; Tomoyuki Iwasaki; Yasuhiro Akiyama; Yoji Yamada (LifeTech, 2020)

Random switch of adhesion and deformation friction depending on material hardness. - Koki Inoue; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (LifeTech, 2020)

Softness Presentation via Friction Force Control on Electrostatic Tactile Panel Display. - Giryeon Kim; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (LifeTech, 2020)

Encouragement of Squat-Lifting: Feasibility Study of a Highly Usable Passive Knee Assistive Device. - Chen-Yu Cheng; Shogo Okamoto; Pengcheng Li; Yasuhiro Akiyama; Chongyang Qiu; Yoji Yamada (SII, 2020)

Principal motion ellipsoids: Gait variability index based on principal motion analysis. - Tomoyuki Iwasaki; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (SII, 2020)

Lower-limb moments during sit-to-stand movement with different handrail grip position and trunk tilt angle. - Chongyang Qiu; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (SII, 2020)

Principal Motion Ellipsoids: Gait Variability Index Invariant With Gait Speed. - Tomoyuki Iwasaki; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (IEEE Access, 2020)

Measurement of Shear Strain Field in a Soft Material Using a Sensor System Consisting of Distributed Piezoelectric Polymer Film. - Fengyu Li; Yasuhiro Akiyama; Xianglong Wan; Shogo Okamoto; Yoji Yamada (Sensors, 2020)

Characteristics of Recovery Motion Resulting From Side Contact With a Physical Assistant Robot Worn During Gait. - Yasuhiro Akiyama; Ryota Kushida; Shogo Okamoto; Yoji Yamada (IEEE Trans. Hum. Mach. Syst., 2020)

Effect of Material Hardness on Friction Between a Bare Finger and Dry and Lubricated Artificial Skin. - Koki Inoue; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (IEEE Trans. Haptics, 2020)

Localization performance of hum-noise-based touch sensor (HumTouch) with unknown participants. - Tzu-Hsuan Hsia; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (GCCE, 2021)

How important is the timing of vibrotactile stimuli for the excitation of an emotional response for audio-visual content? - Ibuki Tara; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (GCCE, 2021)

Safety Guidance to Develop a Robotic Devices for Nursing Care. - Yasuhiro Akiyama; Youichi Asano; Hiroyasu Ikeda; Yoshihiro Nakabo; Yuichiro Shimizu (ISR, 2021)

Walking motions with high margin-of-stability values. - Tomoyuki Iwasaki; Shogo Okamoto; Yasuhiro Akiyama; Takashi Inagaki; Yoji Yamada (ISR, 2021)

Proposal of Fail-Safe Contact Motion Control and its Simulation using CRANE-X7. - Hiroki Kito; Yoji Yamada; Jian Liu; Yasuhiro Akiyama; Shogo Okamoto (ISR, 2021)

Effect of different gait phase-based assist patterns of a wearable robot on gait motion. - Kiichi Kondo; Yasuhiro Akiyama; Shogo Okamoto; Yoji Yamada (ISR, 2021)

Calculating the Supplied Energy for Physical Human-Robot Interaction. - Jian Liu; Yoji Yamada; Yasuhiro Akiyama (ISR, 2021)

Identification of healthy elderly's gait characteristics by analyzing gait parameters. - Takuya Mayumi; Yasuhiro Akiyama; Shogo Okamoto; Yoji Yamada (ISR, 2021)

Temporal characteristics of skin conductance and subjective intensity in response to unpleasant audio-visual and vibrotactile stimuli. - Ibuki Tara; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (ISR, 2021)

Estimation of effects of recovery step length on severity of injuries caused by the trip and fall. - Shuto Yamada; Yasuhiro Akiyama; Shogo Okamoto; Yoji Yamada (ISR, 2021)

Effect of 4 Weeks of Foot Stretching with an Automatic Stretching Machine: A Case Report. - Naomi Yamada; Shogo Okamoto; Yukiko Fuwa; Yasuhiro Akiyama; Yoji Yamada (ISR, 2021)

Index of gait stability using inertial measurement unit. - Kyogo Kazumura; Yasuhiro Akiyama; Taro Naganeo; Shogo Okamoto; Yoji Yamada (LifeTech, 2021)

Alignment of anatomical flexion axis when using one-degree-of-freedom ankle stretching exerciser. - Ko Suzuki; Shogo Okamoto; Yasuhiro Akiyama; Yuma Shiraishi; Naomi Yamada; Yoji Yamada (LifeTech, 2021)

Virtual tactile texture using electrostatic friction display for natural materials: The role of low and high frequency textural stimuli. - Kazuya Otake; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (RO-MAN, 2021)

Kinematic gait stability index highly correlated with the margin of stability: Concept and interim report. - Tomoyuki Iwasaki; Shogo Okamoto; Yasuhiro Akiyama; Takashi Inagaki; Yoji Yamada (SII, 2021)

Application of Supervised Principal Motion Analysis to Evaluate Subjectively Easy Sit-to-Stand Motion of Healthy People. - Chongyang Qiu; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (IEEE Access, 2021)

The influence of hip joint rotation of a physical assistant robot on curving motion. - Yosuke Kuboki; Yasuhiro Akiyama; Shogo Okamoto; Yoji Yamada (Adv. Robotics, 2021)

HumTouch: Localization of Touch on Semi-Conductive Surfaces by Sensing Human Body Antenna Signal. - Tzu-Hsuan Hsia; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (Sensors, 2021)

Verifying the Independence of Anterior and Mediolateral Margin of Gait Stability Indices. - Tomohito Kuroda; Shogo Okamoto; Yasuhiro Akiyama (GCCE, 2022)

Estimation of Mediolateral Gait Postural Stability using Time-Series Pelvis Angular Velocities. - Ziqi Liu; Tomohito Kuroda; Shogo Okamoto; Yasuhiro Akiyama (GCCE, 2022)

HumTouch: Localization of a finger in purified water using humming-noise-driven human-body electric currents. - Tzu-Hsuan Hsia; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (LifeTech, 2022)

Magnitude estimation of self-speed under different visual cue conditions in virtual space. - Kazuya Otake; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (LifeTech, 2022)

Differences in pleasant texture stimuli between fingertips and the palm. - Qingyu Sun; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (LifeTech, 2022)

Heightening fear response to horror video scenes by applying vibratory stimuli to upper bodies of viewers. - Ibuki Tara; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (LifeTech, 2022)

Effect of Dynamic Parameters on Lumbar Compressive Force during Patient Transfer Task. - Xiaohan Xiang; Yoji Yamada; Hibiki Nakamura; Yasuhiro Akiyama (LifeTech, 2022)

A Study on Differences in Control Performance of Skill-Assist System Caused by Different Operational Input Devices. - Mao Watanabe; Yoji Yamada; Yasuhiro Akiyama; Takashi Araki; Hiroyuki Sawada; Haruji Kawajiri; Jun Furuyashiki (SII, 2022)

Gait Stability Index Built by Kinematic Information Consistent With the Margin of Stability Along the Mediolateral Direction. - Tomoyuki Iwasaki; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (IEEE Access, 2022)

Built-in Sensor System for Monitoring Internal Shear Strain and Stress Distribution in Soft Materials. - Fengyu Li; Yasuhiro Akiyama; Xianglong Wan; Shogo Okamoto; Yoji Yamada (IEEE Access, 2022)

Weight illusion by presenting vibration to the fingertip. - Giryeon Kim; Shogo Okamoto; Yasuhiro Akiyama; Youji Yamada (Frontiers Virtual Real., 2022)

Tactile Texture Display Combining Vibrotactile and Electrostatic-friction Stimuli: Substantial Effects on Realism and Moderate Effects on Behavioral Responses. - Kazuya Otake; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (ACM Trans. Appl. Percept., 2022)

Surfaces With Finger-Sized Concave Feel Softer. - Koki Inoue; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (IEEE Trans. Haptics, 2022)

Tactile Texture Rendering for Electrostatic Friction Displays: Incorporation of Low-Frequency Friction Model and High-Frequency Textural Model. - Kazuya Otake; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (IEEE Trans. Haptics, 2022)

Multiple Spatial Spectral Components of Static Skin Deformation for Predicting Macroscopic Roughness Perception. - Qingyu Sun; Shogo Okamoto; Yasuhiro Akiyama; Yoji Yamada (IEEE Trans. Haptics, 2022)

Walking-age estimator based on gait parameters. - Tomohito Kuroda; Shogo Okamoto; Yasuhiro Akiyama (GCCE, 2023)

Suitability of Sacrum Motion in Computing Dynamic Gait Stability Indices. - Ziqi Liu; Tomohito Kuroda; Shogo Okamoto; Yasuhiro Akiyama (GCCE, 2023)

The Effects of Assist Algorithms for Gait Assist Robot on Physical Stability During Unplanned Gait Termination. - Yoshikazu Sakashita; Yasuhiro Akiyama (GCCE, 2023)

Novel Approach to Analyze All-Round Kinematic Stability During Curving Steps. - Yasuhiro Akiyama; Yosuke Kuboki; Shogo Okamoto; Yoji Yamada (IEEE Access, 2023)

Development of Dummy Based on Impedance Properties of Human Soft Tissue Using a Nonlinear Viscoelastic Model. - Jian Liu; Yoji Yamada; Yasuhiro Akiyama; Shogo Okamoto; Yumena Iki (IEEE Access, 2023)

Perception of Self-Moving Speed in Different Visual Cue and Viewpoint Conditions in Virtual Reality Environment. - Kazuya Otake; Shogo Okamoto; Yasuhiro Akiyama (IEEE Access, 2023)

Conjunctive use of two body parts' kinematic information to estimate dynamic postural stability. - Peng Haoyun; Shogo Okamoto; Yasuhiro Akiyama (GCCE, 2024)

Manipulability Analysis of Anterior and Mediolateral Dynamic Gait Stability of Young and Elderly Individuals. - Hiroki Watanabe; Shogo Okamoto; Tomohito Kuroda; Yasuhiro Akiyama (J. Robotics Mechatronics, 2024)

Motion Classification With Embroidery Bend Sensors Using Multiple Zigzag-Stitch for Loose-Fitting Garments. - Kaisei Minami; Yasuhiro Akiyama; Takuya Umedachi (IEEE Access, 2025)