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Article
Translocation of charged particles through a thin micropore under pressure-driven flow
We report the effects of a particle surface charge during translocation through a thin micropore based on the simulation and experiments. The translocation of carboxylated and nonfunctionalized polystyrene bea...
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Article
Development of an Assembled Gripper for a Hydraulic Cutting Machine with a Novel Design for the Stable Holding of Various Shaped Objects
The world experiences disasters caused by natural and industrial accidents. Various products have been developed and applied for manpower rescue and risk removal at disaster sites. However, in order to move de...
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Article
Design of Fixations for an Exoskeleton Device with Joint Axis Misalignments
This study aims to solve problems caused by misalignments between exoskeleton systems and the human body. Misalignments interfere with the achievement of the wearer’s motion intention by generating unintended ...
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Article
Development of a Passive Modular Knee Mechanism for a Lower Limb Exoskeleton Robot and Its Effectiveness in the Workplace
Quasi-passive or passive mechanisms used for exoskeleton robots for load-carrying augmentation have been developed for reducing development cost, robot weight, and external energy consumption for augmentation....
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Article
Scoliosis Screening through a Machine Learning Based Gait Analysis Test
This study discussed application of a machine learning approach (Support vector machine, SVM) for the automatic cognition of gait changes due to scoliosis using gait measures: kinematic based on gait phase seg...
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Article
Gait analysis of hemiplegic patients in ambulatory rehabilitation training using a wearable lower-limb robot: A pilot study
Robot-assisted ambulatory training has become an increasingly popular method of rehabilitation. The present study aimed to evaluate the effectiveness of robot-assisted training on walking by measuring changes ...
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Article
Development of real-time gait phase detection system for a lower extremity exoskeleton robot
In this paper, we develop an insole sensor system that can determine various dynamic models of a lower extremity exoskeleton. The study analyzed the kinematic model of exoskeleton robot for lower limb that cha...
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Article
Ultraclean contact transfer of patterned Ag electrodes by thermal release tape for transparent conductive electrode
Silver grid electrode is a promising candidate for transparent conductive film because of its outstanding electrical, thermal, and optical properties, which can be easily tuned by changing the line width, spac...
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Article
Development and verification of upper extremities wearable robots to aid muscular strength with the optimization of link parameters
In this study, we developed a wearable robot operating on the external skeleton to support the movements of a weak person’s upper limbs, mainly 3-degree of freedom (DOF) of the shoulder, 1-degree of freedom of...
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Article
Sensor-based path planning: The two-identical-link hierarchical generalized Voronoi graph
We present a new roadmap based on a generalized Voronoi graph (GVG) for two-identical-link (L2) robots to explore an unknown planar environment. It is called the L2 hierarchical generalized Voronoi graph (L2-HGVG...
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Article
Trajectory planning for energy minimization of industry robotic manipulators using the Lagrange interpolation method
We propose to use Lagrange interpolation method to express each joint trajectory function to realize trajectory planning for energy minimization of industrial robotic manipulators. We give the position constra...
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Article
Open AccessBright, stable, and water-soluble CuInS2/ZnS nanocrystals passivated by cetyltrimethylammonium bromide
We report a highly bright and stable aqueous dispersion of CuInS2/ZnS (CIS/ZnS) nanocrystals (NCs) using surfactant-assisted microemulsion and cold treatment. CIS/ZnS NCs were facilely synthesized via a stepwise,...
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Article
Gait patterns of chronic ambulatory hemiplegic elderly compared with normal Age-Matched elderly
This study compares the gait of chronic ambulatory hemiplegic elderly (HE) with those of non-hemiplegic elderly (NHE) using Vicon® 512 motion analysis system to track movement trajectories. Subjects walked wit...
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Article
Operational space path planning of the dual-arm robot for the assembly task
The assembly task involving complex parts by the dual-arm robot conducted in configuration space tends to require the heavy computational load, especially when the robot motion is constrained to avoid any coll...
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Article
Link length determination method for the reduction of the performance deviation of the manipulator: Extension of the valid workspace
In this study, a link length determination method for the reduction of the performance deviation in the whole workspace of the manipulator was proposed. The structural length index (SLI), condition number (CN)...
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Article
Pattern generation and control of a double pendulum using a nonlinear oscillator
Prior to develo** the wearable walking assistant robot that supports walking for hemiplegia patients, a neural oscillator, a type of CPG (central pattern generation), was applied to 2-DOF double pendulum, wh...
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Article
Open AccessLarge-scale synthesis of highly emissive and photostable CuInS2/ZnS nanocrystals through hybrid flow reactor
We report a high-yield, low-cost synthesis route to colloidal CuInS2/ZnS (CIS/ZnS) nanocrystals (NCs) with Cu vacancies in the crystal lattice. Yellow-emitting CIS/ZnS core/shell NCs of high luminescence were fac...
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Article
Sensor based motion planning and estimation of highrise building façade maintenance robot
With the increasing number of high-rise and large-scale buildings, modern buildings are becoming intelligent, and are incurring high construction costs and requiring careful maintenance. Maintenance works for ...
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Article
Development and verification of a volume sensor for measuring human behavior
In this study, a muscle volume sensor was developed to estimate the human behavior for its application to bioengineering and synchronous signal collection. The sensor is easily manufactured at a low cost. In a...
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Article
Open AccessFacile synthesis of uniform large-sized InP nanocrystal quantum dots using tris(tert-butyldimethylsilyl)phosphine
Colloidal III-V semiconductor nanocrystal quantum dots [NQDs] have attracted interest because they have reduced toxicity compared with II-VI compounds. However, the study and application of III-V semiconductor...