Zobrazeno 1 - 10
of 105
pro vyhledávání: '"Kazuto Miyawaki"'
Autor:
Naofumi TSUJI, Akira SAKURADA, Kota TAKASHIMA, Keisuke HARA, Hirofumi KAWAMURA, Kazuto MIYAWAKI, Hiromi ISOBE
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 18, Iss 4, Pp JAMDSM0041-JAMDSM0041 (2024)
This study investigates the effects of ultrasonic vibration-assisted drilling with a 0.3 mm diameter drill on engagement behavior and hole dimensions. The study addresses the increasing demand for small-diameter deep drilling in fuel injectors and me
Externí odkaz:
https://doaj.org/article/e2036299ff3f48d09727879e94efc6c7
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 89, Iss 923, Pp 23-00089-23-00089 (2023)
Currently, elderly people of 65 years and older constitute 29.1% of Japan’s population. Frail patients are 8.7% of all elderly people 65 and older. Frailty is a weak state both physically and mentally. The probability of illness increases with age.
Externí odkaz:
https://doaj.org/article/123ff71ba23e46d49ec34206c6c5ffe5
Publikováno v:
ROBOMECH Journal, Vol 7, Iss 1, Pp 1-11 (2020)
Abstract This paper presents an extended Kalman filter for pose estimation using noise covariance matrices based on sensor output. Compact and lightweight nine-axis motion sensors are used for motion analysis in widely various fields such as medical
Externí odkaz:
https://doaj.org/article/c3da7225801146b392a4f639a207a2ee
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 87, Iss 896, Pp 20-00407-20-00407 (2021)
Clarifying the mechanics of body movements during snowboarding, a popular winter sport, requires analysis of snowboarder motion when gliding down a slope. Several studies have used inertial and force sensors to evaluate characteristics of the acting
Externí odkaz:
https://doaj.org/article/d3c469b0ad054258882a96ef14673999
Publikováno v:
Journal of Biomechanical Science and Engineering, Vol 15, Iss 4, Pp 20-00302-20-00302 (2020)
This study is based on an analysis of visual-motor coordination as a ball is caught. Humans obtain most of their information about the external environment from their sense of sight during daily life and sports activities. Sight enables us to judge t
Externí odkaz:
https://doaj.org/article/ff1162e954264a21b37f347cd3584efc
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 85, Iss 877, Pp 19-00245-19-00245 (2019)
This paper presents examination of a proposed method for center of gravity (COG) velocity estimation during walking using information obtained from lower limb motion measurements. Lower limb joints and muscles around these joints are used during walk
Externí odkaz:
https://doaj.org/article/2c4805ec5ca24283baea5d993364da6a
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 85, Iss 873, Pp 19-00061-19-00061 (2019)
This paper proposes a method of estimating the knee joint angle during walking using nine-axis motion sensors in a varying magnetic field. The nine-axis motion sensor comprises a three-axis gyro sensor, a three-axis acceleration sensor, and a three-a
Externí odkaz:
https://doaj.org/article/4f86e2c4e8f44b948ef89553cc79c511
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 84, Iss 865, Pp 18-00263-18-00263 (2018)
This paper describes the use of nine-axis motion sensors to evaluate the motion sensor position on the thigh and lower leg during walking. The motion sensors are mounted on a subject's body using adhesive tape. The muscles constantly relax or contrac
Externí odkaz:
https://doaj.org/article/ac89c639eb7044a6a65233bfe48cf2c1
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 84, Iss 857, Pp 17-00488-17-00488 (2018)
This paper describes the use of nine-axis motion sensors to evaluate knee joint angle estimation accuracy during walking. The nine-axis motion sensor comprises a three-axis gyro sensor, a three-axis acceleration sensor and a three-axis geomagnetic se
Externí odkaz:
https://doaj.org/article/893d974d678c4a1199d5e2e34875d83a
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 83, Iss 852, Pp 17-00234-17-00234 (2017)
This paper presents a proposed method for center of gravity (COG) velocity estimation during squatting using information obtained from lower limb motion measurements. A squat exercise uses the lower limb joints and the muscles around these joints. Th
Externí odkaz:
https://doaj.org/article/4c386eccc21f45bab055e7ba79303de3