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Dive into the research topics where Motoyoshi Fujiwara is active.

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Featured researches published by Motoyoshi Fujiwara.


international conference on robotics and automation | 2002

Mechanism configuration evaluation of a linear-actuated parallel mechanism using manipulability

Takanori Masuda; Motoyoshi Fujiwara; Norihiko Kato; Tatsuo Arai

The linear-actuated parallel mechanism that changes the motion characteristic according to the actuator configuration is known. The authors previously (2000) reported on the kinematics and the motion characteristic on the basis of the motion transmissibility. In this report, we analyze the changed in motion characteristics using the measures of manipulability. Indices of manipulability are given with components of the value determined by the singular value decomposition. The typical index is a volume of the manipulability ellipsoid. We clarify the features of the motion characteristics according to a change in the actuator configuration using these indices. Finally, we show the recommended application examples that are designed for mechanisms using the obtained result.


Journal of robotics and mechatronics | 2006

Development of 6-Axis Material Tester for Measuring Mechanical Spine Properties

Motoyoshi Fujiwara; Takanori Masuda; Tadashi Inaba; Takaya Katoh; Yuichi Kasai; Satoru Ito


Transactions of the Japan Society of Mechanical Engineers. C | 1999

Kinematics Analysis of the Parallel Mechanism Having Vertically Fixed Linear Actuators.

Takanori Masuda; Motoyoshi Fujiwara; Tatsuo Arai


Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing | 2001

Kinematics Analysis of the Parallel Mechanism with Vertically Fixed Linear Actuators

Takanori Masuda; Motoyoshi Fujiwara; Tatsuo Arai


Transactions of the Japan Society of Mechanical Engineers. A | 2008

Experimental Analysis of Spinal Deformation Using a 6-Axis Material Testing Machine (1st Report, Development of Testing Machine for Measurement of Spinal Deformation)

Mariko Mogi; Tadashi Inaba; Yuichi Kasai; Takuya Masaoka; Takaya Kato; Takanori Masuda; Motoyoshi Fujiwara; Masataka Tokuda


Transactions of the Japan Society of Mechanical Engineers. C | 2001

Specific Kinematic Changes in a Linear-Actuated Parallel Mechanism According to Differences in Actuator Arrangement.

Takanori Masuda; Motoyoshi Fujiwara; Tatsuo Arai


The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) | 2016

Medical Outcomes and Future Works of the Spinal Material Testing Machine

Takanori Masuda; Motoyoshi Fujiwara; Tadashi Inaba; Yuichi Kasai


Journal of The Ceramic Society of Japan | 2016

Systematic study on group 14 elements and their oxides for high-capacity anode active materials of lithium-ion secondary battery

Masaki Murayama; Yoshitsugu Yamamoto; Motoyoshi Fujiwara


Transactions of the Japan Society of Mechanical Engineers. C | 2009

A Parameter Design of Parallel Mechanism by Using End Effector Resolution Index(Mechanical Systems)

Mari Susaki; Norihiko Kato; Motoyoshi Fujiwara; Takanori Masuda; Yoshihiko Nomura; Hirokazu Matsui


The Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics | 2007

OS7-2-4 Experimental study on spinal deformation using 6-axis material testing machine

Tadashi Inaba; Mariko Mogi; Takuya Masaoka; Takaya Katoh; Yuichi Kasai; Takanori Masuda; Motoyoshi Fujiwara; Masataka Tokuda

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Takanori Masuda

Industrial Research Institute

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Tatsuo Arai

Beijing Institute of Technology

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Kosei Kitagaki

National Institute of Advanced Industrial Science and Technology

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Masataka Tokuda

University of Health Sciences Antigua

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Takashi Suehiro

University of Electro-Communications

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