Yusuke Maeda
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View article: A Novel Approach to Tomato Harvesting Using a Hybrid Gripper with Semantic Segmentation and Keypoint Detection
A Novel Approach to Tomato Harvesting Using a Hybrid Gripper with Semantic Segmentation and Keypoint Detection Open
This paper presents an autonomous tomato-harvesting system built around a hybrid robotic gripper that combines six soft auxetic fingers with a rigid exoskeleton and a latex basket to achieve gentle, cage-like grasping. The gripper is drive…
View article: Effects of Tactile Sensory Stimulation Training of the Trunk and Sole on Standing Balance Ability in Older Adults: A Randomized Controlled Trial
Effects of Tactile Sensory Stimulation Training of the Trunk and Sole on Standing Balance Ability in Older Adults: A Randomized Controlled Trial Open
Background: Aging is associated with a decline in both motor and sensory functions that destabilizes posture, increasing the risk of falls. Dynamic standing balance is strongly linked to fall risk in older adults. Sensory information from …
View article: Association between Peripheral Vision and Walking Ability in Older Adults
Association between Peripheral Vision and Walking Ability in Older Adults Open
View article: Density-dependent flow generation in active cytoskeletal fluids
Density-dependent flow generation in active cytoskeletal fluids Open
View article: A New Auxetic Structure-based Hybrid Gripperfor Harvesting Tomato-like Soft Fruits
A New Auxetic Structure-based Hybrid Gripperfor Harvesting Tomato-like Soft Fruits Open
Modern agriculture is reaping the benefits of automation by harvesting fruits and vegetables using robots that have adaptive grasping force depending on the compliance or softness of the fruit or vegetable. The successful operation of frui…
View article: Density-dependent flow generation in active cytoskeletal fluids
Density-dependent flow generation in active cytoskeletal fluids Open
The actomyosin cytoskeleton, a protein assembly comprising actin fibers and the myosin molecular motor, drives various cellular dynamics through contractile force generation at high densities. However, the relationship between the density …
View article: Looking Back on 15 Years of Parenting: A Researcher Couple's Case
Looking Back on 15 Years of Parenting: A Researcher Couple's Case Open
View article: A Robotic Origami System toward Automatic Folding of Paper Cranes
A Robotic Origami System toward Automatic Folding of Paper Cranes Open
We are developing a robot system that can automatically fold “Orizuru,” a paper crane. It uses a cutting plotter to add creases on papers to make them easily-foldable. The development diagram of the paper crane for the crease pattern is ge…
View article: Effects of kinematics and kinetics parameters of the vertical drop jump test on differences between the sexes and dominant and non-dominant feet
Effects of kinematics and kinetics parameters of the vertical drop jump test on differences between the sexes and dominant and non-dominant feet Open
Study aim : This study clarified the relationship between sex and dominant and non-dominant feet during landing movements in the vertical drop jump (VDJ). Materials and methods : The participants were 16 healthy adults (8 men, 8 women) wit…
View article: Sensorless Object Discrimination by a Particle Filter for Caging-based Part Feeders
Sensorless Object Discrimination by a Particle Filter for Caging-based Part Feeders Open
In this work, we developed a sensorless method for discriminating objects caged by a robot hand in a two-dimensional plane, for part feeders based on sensorless in-hand caging manipulation. A particle filter is used to represent possible o…
View article: Kinematic Analysis of Accuracy of Anterior and Anterolateral Straddling Movements
Kinematic Analysis of Accuracy of Anterior and Anterolateral Straddling Movements Open
[Purpose] The purpose of this study was to investigate the effects of changing the cue for movement initiation and the movement speed on the accuracy of the stepping. [Participants and Methods] Twenty healthy young adults and 10 older adul…
View article: Development of a Force-sensible Robot Hand with Photoelastic Links
Development of a Force-sensible Robot Hand with Photoelastic Links Open
In order to realize high-level force control, detailed force information is indispensable. Therefore, we focused on photoelasticity, which enables us to obtain stress distribution at the pixel level of a polarization camera. In this study,…
View article: Planning of Planar Sensorless In-hand Caging Manipulation for Versatile Part Feeders
Planning of Planar Sensorless In-hand Caging Manipulation for Versatile Part Feeders Open
In this work we developed a planner for planar sensorless in-hand caging manipulation for part feeders. In-hand caging manipulation is a method in which an object is caged by a hand throughout manipulation and located around a goal as a re…
View article: Grasp Synthesis for Digital Hands in Multiple Grasp Taxonomy Condition based on Judgment of Graspability using Soft Finger Model
Grasp Synthesis for Digital Hands in Multiple Grasp Taxonomy Condition based on Judgment of Graspability using Soft Finger Model Open
For virtual usability evaluation of universal design, our previously-developed grasp synthesis method for human hand model was extended by employing soft finger model. Our previous method treated a hand model as a hard finger that assumes …
View article: Effect of Shortening the Time of Focal Knee Joint Cooling on Knee Extension Torque
Effect of Shortening the Time of Focal Knee Joint Cooling on Knee Extension Torque Open
[Purpose] To clarify the effect of shortening the Focal Knee Joint Cooling (FKJC) time on knee extension torque under three conditions: no cooling, 15-min FKJC, and 30-min FKJC. [Participants and Methods] Knee extension torque was measured…
View article: Influence of history of falls and physical function on obstacle-straddling behavior
Influence of history of falls and physical function on obstacle-straddling behavior Open
[Purpose] This study aimed to clarify the relationship between falls and lower leg motion during obstacle crossing, in which stumbling or tripping is the most common cause of falls in the elderly population. [Participants and Methods] This…
View article: Age-Related Changes in Accuracy and Speed of Lateral Crossing Motion: Focus on Stepping from Leaning Position
Age-Related Changes in Accuracy and Speed of Lateral Crossing Motion: Focus on Stepping from Leaning Position Open
Fall incidents are increasing every year and prevention is necessary. Preventing falls can increase the quality of life of the elderly and decrease medical costs. Stumbling and tripping are the main causes of falls and falls in the lateral…
View article: Different Effects of 12-Week Speed or Accuracy Training on Obstacle-Crossing Foot Motion in Healthy Elderly
Different Effects of 12-Week Speed or Accuracy Training on Obstacle-Crossing Foot Motion in Healthy Elderly Open
Preventing falls is important in the elderly. One reason for falling is tripping or stumbling; hence, it is important to improve the crossing motion. This study aimed to compare speed- and accuracy-oriented crossing training and establish …
View article: World robot summit 2020 assembly challenge – summary of the competition and its outcomes*
World robot summit 2020 assembly challenge – summary of the competition and its outcomes* Open
The World Robot Summit (WRS) is a robotic ‘challenge and exposition’ organized by the Japanese government to accelerate social implementation, research and development of robots working in realistic daily life, society, and industrial fiel…
View article: Grasp synthesis considering graspability for a digital hand with limited thumb range of motion*
Grasp synthesis considering graspability for a digital hand with limited thumb range of motion* Open
Formulae display:?Mathematical formulae have been encoded as MathML and are displayed in this HTML version using MathJax in order to improve their display. Uncheck the box to turn MathJax off. This feature requires Javascript. Click on a f…
View article: The Effects Of Trunk Sensory Stimulation Training On Standing Balance Performance In The Elderly
The Effects Of Trunk Sensory Stimulation Training On Standing Balance Performance In The Elderly Open
Purpose: Posture becomes unstable with aging due to decline in both motor and sensory function, resulting in increased risk of injury, hospitalization, or even mortality due to falls.The tactile sensation of the trunk will also be importan…
View article: Analysis of Pedal Operation in Posture of Look Back Using Car Driving Simulator with Head-mounted Display
Analysis of Pedal Operation in Posture of Look Back Using Car Driving Simulator with Head-mounted Display Open
Although the number of traffic accidents has been decreasing in recent years, the number of automobile accidents caused by pedal error has remained at a certain rate. However, the mechanism of the occurrence of such accidents has not been …
View article: Traffic control of dump truck fleets at intersections for mining productivity improvement
Traffic control of dump truck fleets at intersections for mining productivity improvement Open
Recently, dump trucks working in mines are becoming unmanned in order to reduce labor costs and the risk of human injury. If we use multiple fleets of dump trucks, their coordination is necessary to avoid traffic jams. In this paper, we pr…
View article: Kinematic effects of different gait speeds during gait initiation movement
Kinematic effects of different gait speeds during gait initiation movement Open
[Purpose] We investigated the influence of gait speed on the movement strategy during gait initiation. [Participants and Methods] This study included 21 young healthy individuals (11 males and 10 females; mean age, 21.7 ± 0.5 years; mean h…
View article: Implementation and Evaluation of a System for Robot Teaching Support Using an Optical See-Through AR Device
Implementation and Evaluation of a System for Robot Teaching Support Using an Optical See-Through AR Device Open
In this work, we implemented and evaluated a system for robot teaching support using an optical see-through AR (Augmented Reality) device. The system supports an operator wearing an AR device during robot teaching by making some informatio…
View article: Grasp synthesis for digital hands of the elderly toward universal design
Grasp synthesis for digital hands of the elderly toward universal design Open
Considering the growing market size for universal design product, it is helpful if we can evaluate its usability virtually by synthesizing feasible grasp postures for a digital hand model. In this paper, we focus on the elderly people. We …
View article: An Origami Assist System by Simulating Origami with Papers of Nonzero Thickness and Presenting Folding Processes using Augmented Reality
An Origami Assist System by Simulating Origami with Papers of Nonzero Thickness and Presenting Folding Processes using Augmented Reality Open
In recent years, with the development of origami, a lot of complex origami works have been published. However, it is difficult to support folding complex origami works by the traditional origami instructions. To assist users who fold origa…
View article: Modification of Eye–Head Coordination With High Frequency Random Noise Stimulation
Modification of Eye–Head Coordination With High Frequency Random Noise Stimulation Open
The vestibulo-ocular reflex (VOR) plays an important role in controlling the gaze at a visual target. Although patients with vestibular hypofunction aim to improve their VOR function, some retain dysfunction for a long time. Previous studi…
View article: Development of a Δ-Type Mobile Robot Driven by Three Standing-Wave-Type Piezoelectric Ultrasonic Motors
Development of a Δ-Type Mobile Robot Driven by Three Standing-Wave-Type Piezoelectric Ultrasonic Motors Open
We propose a new mobile robot that uses three standing-wave-type ultrasonic motors (USMs). The USMs are composed of two stacked-type piezoelectric actuators. Recently, with the miniaturization of electronic and microelectromechanical syste…
View article: Caging-based Dual-arm Cooperation without Force Control
Caging-based Dual-arm Cooperation without Force Control Open