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Article
Open AccessValidation of a lower limb exoskeleton assist device focusing on viscous properties: verification of assist effectiveness by measuring muscle activity
Because exoskeletal assistive devices are worn directly by a person, enhancing cooperation is important. However, existing assistive devices have problems in terms of their cooperation with human behaviors. Th...
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Article
Open AccessAnomaly detection from images in pipes using GAN
In recent years, the number of pipes that have exceeded their service life has increased. For this reason, earthworm-type robots equipped with cameras have been developed to perform regularly inspections of se...
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Chapter and Conference Paper
Evaluation of Support Device for Manual Handling of Gas Cylinders
In this study, a support device for liquefied petroleum (LP) gas cylinder delivery was developed and evaluated using questionnaires. This study contributes to develo** a method for reducing the burden of gas...
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Chapter and Conference Paper
Confirmation of Variable Diameter TRM Operation
This paper presents a variable-diameter TRM (Tension Release Mechanism) that can reduce the traction load for inspecting long-distance pipes. In this study, long, narrow, and complex pipes are inspected. The m...
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Chapter and Conference Paper
Gras** Characteristics of Flexible Propulsion Unit Using Braid Mechanism for Lunar Exploration Robot
In this study, the authors model and conduct experiment on the braid propulsion unit of an excavation robot for lunar exploration. In existing studies, it is difficult for robots to create sufficiently big hol...
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Chapter and Conference Paper
Effect on Jum** Height by Changing Jum** Powered Exoskeleton Attachment Position for Augmentation of Human Instantaneous Movements
This paper reports the construction of a robot model based on the human jum** mechanism and a powered exoskeleton, and simulation results on the effect of the powered exoskeleton on the jum** height. The o...
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Chapter
Peristaltic Mixing Pump Based on Intestinal Peristalsis Motion Using Soft Actuators
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Chapter
Soft Manipulation and Locomotion
Soft mechanisms bring a new twist to traditional robotics challenges of object gras**, manipulation, and locomotion. Soft robotic hands are a topic of growing industrial application. A major example of a sof...
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Article
Open AccessNuclear speed and cycle length co-vary with local density during syncytial blastoderm formation in a cricket
The blastoderm is a broadly conserved stage of early animal development, wherein cells form a layer at the embryo’s periphery. The cellular behaviors underlying blastoderm formation are varied and poorly under...
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Chapter and Conference Paper
Residual Water Removal Mechanism for Obtaining Clear Images with Sewer Pipe Inspection Robot
In this paper, a mechanism on an earthworm-type robot is developed for removing sludge-containing residual water from complicated sewer pipes to obtain clear internal images of sewer pipes with a camera. Conve...
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Chapter and Conference Paper
Evaluation of Optimal Cleaning Tools for the Development of a Cleaning Robot for Grease from Ventilation Ducts
In this study, the authors started to develop a robot that can clean grease in ventilation ducts. We determined the required specifications of the robot, constructed a model of the cleaning brush, and develope...
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Chapter and Conference Paper
Horizontal Drilling with Seabed Robotic Explorer
Mineral resources such as rare earths are deposited 2 to 3 m below the seafloor; for detailed studies to elucidate their origin and existence, it is necessary to collect samples of seafloor sediments. Currentl...
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Chapter and Conference Paper
Excavation Experiment of Earth Worm Type Seabed Exploration Robot in Actual Sea Area
The results of an excavation experiment in an actual sea area using the earth worm type seabed exploration robot are reported in this paper. The robot tested in the experiments is SEAVO II, which has been deve...
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Article
Open AccessLaparoscopic remnant cholecystectomy for calculi in the remnant gallbladder following subtotal-cholecystectomy: a report of two cases
Two cases of laparoscopic remnant cholecystectomy using near-infrared fluorescence cholangiography (NIFC) for remnant gallbladder calculi following subtotal-cholecystectomy are reported. Case 1: a 36-year-old ...
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Article
Open AccessInsights into the genomic evolution of insects from cricket genomes
Most of our knowledge of insect genomes comes from Holometabolous species, which undergo complete metamorphosis and have genomes typically under 2 Gb with little signs of DNA methylation. In contrast, Hemimeta...
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Article
Open AccessPharyngeal metastasis following living-donor liver transplantation for hepatocellular carcinoma: a case report and literature review
The most common sites of recurrence after liver transplantation for hepatocellular carcinoma (HCC) have been reported to be the liver, lung, bone, and adrenal glands, but there have also been many reports of c...
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Chapter
Medical Applications
The applications of soft actuators in medical field have been increasing along with its industrial applications. Soft actuators could be used in the human body or be implanted for some extended time. Because s...
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Article
Role of cytokine gene polymorphisms in acute and chronic kidney disease following liver transplantation
Development of renal dysfunction, including acute kidney injury (AKI) and chronic kidney disease (CKD), after liver transplantation (LT) remains a critical issue adversely affecting patient survival in both th...
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Article
Open AccessErratum: Involvement of hormones in olfactory imprinting and homing in chum salmon
Scientific Reports 6: Article number: 21102; published online: 16 February 2016; updated: 22 April 2016 In the Supplementary Information file originally published with this Article, the lower part of Fig. S1 ‘...
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Article
Open AccessInvolvement of hormones in olfactory imprinting and homing in chum salmon
The olfactory hypothesis for salmon imprinting and homing to their natal stream is well known, but the endocrine hormonal control mechanisms of olfactory memory formation in juveniles and retrieval in adults r...
