Kazuki Abe

Kazuki Abe
Tohoku University | Tohokudai · Graduate School of Information Sciences

Doctor of Engineering

About

15
Publications
38,837
Reads
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17
Citations
Citations since 2016
15 Research Items
17 Citations
20162017201820192020202120220246810
20162017201820192020202120220246810
20162017201820192020202120220246810
20162017201820192020202120220246810
Introduction

Publications

Publications (15)
Article
Full-text available
A two-degrees-of-freedom spherical parallel link mechanism (2-DOF SPM) was designed to ensure that it only has rotational degrees of freedom in two directions around a fixed center. In general, 2-DOF SPM includes passive rotating pairs, and at least two actuators are needed to change the end-effector posture. The arrangement of the links and pairs...
Article
Recently, soft robotics research has focused on mechanisms to control the stiffness of robot structures. There are several types of variable stiffness mechanisms that can change the stiffness of such structures by altering friction force. Among these, the negative-pressurization method applies negative pressure to the particles or layers that are f...
Article
Full-text available
Electromagnetic (EM) brakes are widely used but consume electricity continuously to maintain their activated state. In this paper, for efficient braking and idling of robots and vehicles, we proposed a concept of a brake mechanism using a permanent magnet for the amplification of the pressing force between brake pads, allowing for the brake torque...
Article
Inflatable structures used in soft robotics applications have unique characteristics. In particular, the tip-extension structure, which extends the structure from its tip, can grow without creating friction with the environment. However, these inflatable structures need high pressure to maintain their stiffness under various conditions. Excessive i...
Article
Full-text available
Machines such as robotic grippers use powerful actuators or gearboxes to exert large loads at the expense of energy consumption, volume, and mass. We propose a stepless force amplification mechanism that assists clamping by a pair of permanent magnets, in which the external control force required to adjust their distance, and thus the output force,...
Article
The bio-logging technique is extensively used in the fields of ecology and ethology, wherein a data logger, such as a sensor or camera, is attached to the target animal’s body to collect the required data. In this method, the efficiency of recovery of the data logger is not ideal. In this study, we proposed a new recovery method, with the aim of ad...
Article
Full-text available
This article presents an active ball joint mechanism (ABENICS) enhanced by interactions of spherical gears. The gear-based joint drives three rotational degrees of freedom (RDoF) without slippage. The capabilities were inspired by the unique interactions between two different innovative gears [the cross spherical gear (CS-gear) and monopole gear (M...
Article
In the past, white canes, guide dogs, and guide helpers have served to assist visually impaired people when walking outdoors. However, these assistance methods have various limitations for extended and suitable usage. Therefore, our laboratory herein proposes a route guidance device that signals commands to the end-user by giving a sense of force t...
Article
In ecology and ethology, a technique called ‘bio-logging’ has been used to record the behaviour of wild animals by attaching a small logger, which includes a global positioning system (GPS) or acceleration sensor, to the animal of interest. This method's disadvantage is that the recovery of the logger is inefficient. In this study, we propose a dat...
Article
We present a computer vision solution integrated to an omnidirectional transporting robot to perform the position tracking of multiple trays moving on its planar acrylic plate surface. The trays were designed to carry lightweight materials on top of their surface so that the mechanism could be implemented as an automated transporting system for app...
Article
We present a new transporting device, the omnidirectional transporting table that exhibits a driving mechanism with two perpendicular degrees of freedom based on gear meshing. By implementing omnidirectional driving gear, it can simultaneously drive multiple carried objects (driven units) with different trajectories despite the fixed installation o...
Article
In the research of animal ecology, there is a method of attaching a compact data logger (hereinafter logger) to an animal and recording the behavior, physiological state of the animal itself, environment to be experienced, serial data with some time period, and so on.This method is called Bio-logging. Currently, navigational research to capture the...
Article
The spherical motor with gear structure to realize two degrees of freedom with crossed revolute axes has been developed. This spherical motor is called “spherical omnidirectional driving gear” because its structure is based on the theory of the omnidirectional driving gear with two gear structures that are perpendicular to each other developed by t...

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