Zobrazeno 1 - 10
of 153
pro vyhledávání: '"Akihiko SEO"'
Autor:
Kazuki HIRANAI, Akihiko SEO
Publikováno v:
Mechanical Engineering Journal, Vol 8, Iss 1, Pp 20-00500-20-00500 (2021)
To evaluate tasks that have low physical workloads or small variations in the working postures, a method that can be used to analyze slight differences in postures and movements based on human motion characteristics is required. The interjoint coordi
Externí odkaz:
https://doaj.org/article/a440296d837249d081ba89c8cbb2ca3a
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 86, Iss 887, Pp 19-00416-19-00416 (2020)
Pen comfort is an important factor in selection of pen for handwriting. In handwriting, a pen receives an impact when it contacts to paper placed on a desk. To hold the pen, fingers have to resist the impact. The greater impact, the grater mechanical
Externí odkaz:
https://doaj.org/article/6e3ab47cc3ea48a7a16abf0a66ffe68e
Publikováno v:
Mechanical Engineering Journal, Vol 7, Iss 1, Pp 19-00464-19-00464 (2019)
In the current workplace, most manual labor is composed of high-frequency tasks with low physical workloads. Moreover, traditional ergonomic evaluation methods often have difficulty identifying slight variations in working postures and physical workl
Externí odkaz:
https://doaj.org/article/0c237e6ac40b4a6b97bc970033b16974
Autor:
Atsushi Sugama, Akihiko Seo
Publikováno v:
Sensors, Vol 21, Iss 11, p 3909 (2021)
Background: Loss of balance is a considerable risk factor for workers while using ladders, because they are required to maintain static postural balance on platforms of a restricted size. This study observed center of mass (CoM) and center of pressur
Externí odkaz:
https://doaj.org/article/dae99ed394344c50a307e7c7d126dfa8
Publikováno v:
Mechanical Engineering Journal, Vol 3, Iss 4, Pp 15-00740-15-00740 (2016)
Muscle fatigue should be quantitatively evaluated in order to design an optimum work environment and work-rest scheduling and prevent musculoskeletal disorder of workers. The aim of this study was to formulate a relationship for the dependence of per
Externí odkaz:
https://doaj.org/article/9961e57577b1425b8fc527db8b6a585c
Autor:
Takanori CHIHARA, Urara NISHIJIMA, Ikuto MORIYA, Akihiko SEO, Hirokazu HATANO, Hiroyuki YAMADA
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 10, Iss 1, Pp JAMDSM0012-JAMDSM0012 (2016)
Low back pain is a major medical problem frequently encountered in the field of occupational health, and lumber support belts are often used for the prevention and treatment of low back pain. This study investigated the effect of width (60, 90, 120,
Externí odkaz:
https://doaj.org/article/cc6011695f3a4a5eb6669a579c6bcc4f
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 9, Iss 3, Pp JAMDSM0036-JAMDSM0036 (2015)
The sit-to-stand (STS) movement is performed throughout the day, and providing handrails is one method of making the STS movement easy. However, designers may have determined the installation position of handrails using intuition and trial and error.
Externí odkaz:
https://doaj.org/article/3cc687c476e74ff386901dc739ab6fba
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 80, Iss 820, Pp DSM0391-DSM0391 (2014)
Improving ease of grasping is one of the significant factors for enhancing the value of industrial products because most of products are handled by human hands. In this study, shape of grasped object was optimized to improve its grasping ease with co
Externí odkaz:
https://doaj.org/article/fc103ee5072c4e4c8bb0a99d6405101b
Publikováno v:
IEEE Sensors Journal. 21:3645-3652
The magnitude of impulse and work at pen tip, which are related to the fingertip force, may be indicators of fatigue and pain during writing. Previous methods used specially prepared pens for testing which have different sizes and weights from those
Publikováno v:
Theoretical Issues in Ergonomics Science. 22:15-31
To improve workability, designing the work environment by considering physical workload can be effective. This paper proposes a new quantitative evaluation method of physical workload during work b...