Zobrazeno 1 - 10
of 425
pro vyhledávání: '"kinematic characteristics"'
Autor:
Jiajie Tian, Yi Xiao
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract This study aimed to explore the differences in joint kinematic characteristics and stroke effect between fast and slow strokes of table tennis players. Thirty-four table tennis players were randomly selected as participants for this experime
Externí odkaz:
https://doaj.org/article/a46748c1101f48038e7a4383bb93bdc1
Publikováno v:
Frontier Materials & Technologies, Iss 3, Pp 53-62 (2024)
The wide application of honing as a finishing treatment of internal cylindrical surfaces for cylinder-piston systems, used in some structures, is caused by high accuracy measured in tenths of a micrometer, and high productivity of the process. The mo
Externí odkaz:
https://doaj.org/article/c7f9b38354874461bf3cf6a694b81da6
Publikováno v:
Science of Gymnastics Journal, Vol 16, Iss 3 (2024)
The approach run is a fundamental precondition for successful vault performance, as it enables the gymnast to develop maximum controlled horizontal velocity. The purpose of this study was to investigate the length, frequency, and velocity of steps du
Externí odkaz:
https://doaj.org/article/5e44ccf143f74b0e9838c55a51814e57
Publikováno v:
Physical Education of Students, Vol 27, Iss 6, Pp 340-348 (2023)
Background and Study Aim. The aim of the study was to determine and compare basic kinematic characteristics in the key phases of the acrobatic element Salto backward tucked. Material and Methods. The research sample was created from two couples of t
Externí odkaz:
https://doaj.org/article/a140b5967fb34181a8e2c2a7654dbc34
Publikováno v:
Jixie chuandong, Vol 47, Pp 25-28 (2023)
According to the principle of cycloid generation, the gear rotating guide bar mechanism is designed. The motion matrix equation of the mechanism is given by the method of rotation vector differentiation, and the influence of the number of cycloid lob
Externí odkaz:
https://doaj.org/article/3d2a27842a384a40aa266893e75efab7
Autor:
Egorov Y. I., Fainshtein V. G.
Publikováno v:
Solar-Terrestrial Physics, Vol 8, Iss 3, Pp 13-21 (2022)
We have studied and compared kinematic characteristics of the motion of coronal mass ejections (CMEs) in three-dimensional (3D) space for three groups of CMEs for the period 2008–2014. These CME groups include: (i) stealth CMEs, (ii) CMEs that orig
Externí odkaz:
https://doaj.org/article/758cc383f9b647e9b8020e8d060a3eef
Publikováno v:
Industrial Robot: the international journal of robotics research and application, 2021, Vol. 49, Issue 4, pp. 672-687.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/IR-12-2020-0273
Autor:
Vitaliy Korendiy, Oleksandr Kachur
Publikováno v:
Frontiers in Robotics and AI, Vol 10 (2023)
Introduction: The paper considers the improved design of the wheeled vibration-driven robot equipped with an inertial exciter (unbalanced rotor) and enhanced pantograph-type suspension. The primary purpose and objectives of the study are focused on m
Externí odkaz:
https://doaj.org/article/1f817bfee9f443d6bd00fc4a87b8e857
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