Zobrazeno 1 - 10
of 1 884
pro vyhledávání: '"Gear ratio"'
Autor:
Shengli Wang, Zhihui Qian, Xiangyu Liu, Guangsheng Song, Zhende Jiang, Kunyang Wang, Jianan Wu, Jing Liu, Lei Ren, Luquan Ren
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Studies focusing on the kinematics of the ankle joint complex (AJC) have long been a key area of interest for biomechanists and orthopedic surgeons. However, it is not clear how additional weight-bearing walking affects the motion of the AJC
Externí odkaz:
https://doaj.org/article/11e50d41e331476388004c05d7efbb1b
Autor:
Müjdat Ersarı, Murat Gündoğdu
Publikováno v:
Engineering Perspective, Vol 4, Iss 3, Pp 95-99 (2024)
This study investigates the optimization of gear ratios for a 2-speed transmission, with a focus on enhancing performance and efficiency in diverse operating conditions. Specifically, the research addresses the need for two distinct gears: one optimi
Externí odkaz:
https://doaj.org/article/12f29fa1b0d3495f9072b45611d3e8d1
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
Introduction: The human foot has evolved over the past seven million years from a relatively mobile, grasping appendage to a highly derived structure with a heel pad and longitudinal arch that can absorb shock at heel strike and weight-bearing yet al
Externí odkaz:
https://doaj.org/article/95feda36a3b7458ba13163dca5360d64
Publikováno v:
Applied Sciences, Vol 14, Iss 22, p 10472 (2024)
This study presents a method for determining the optimal gear ratio in electric trains by examining the effects of motor efficiency, wheel wear, and relative damage to the input and output shafts of the reduction gear. In electric trains, reduction g
Externí odkaz:
https://doaj.org/article/b617dea54d604b4f9cacc17f18ae69e8
Autor:
Stephen J. Piazza
Publikováno v:
Bioengineering, Vol 11, Iss 9, p 896 (2024)
Three-dimensional motion analysis performed in the modern gait analysis laboratory provides a wealth of information about the kinematics and kinetics of human locomotion, but standard gait analysis is largely restricted to joint-level measures. Three
Externí odkaz:
https://doaj.org/article/9c6b0d1b326949f9a332c5ebc541905d
Publikováno v:
Vojnotehnički Glasnik, Vol 71, Iss 4, Pp 1028-1047 (2023)
Introduction/purpose: Tracked vehicles play a vital role across various domains, from military operations to construction and agriculture. This study focuses on improving the efficiency of tracked vehicles by optimizing both gear ratios and gear-shif
Externí odkaz:
https://doaj.org/article/92049fff731843fe8b40914a612d528d
Publikováno v:
Jixie chuandong, Vol 47, Pp 79-82 (2023)
The steering trapezoid of automobiles can be seen as a link mechanism. It controls the motions of the tyres and influences on the steering Ackermann rate, steering gear ratio, rack force, and so on. A list of steering trapezoid's design parameters ba
Externí odkaz:
https://doaj.org/article/53be4d7b1b3442e7a25ec81330ff6b21
Publikováno v:
Моделирование и анализ информационных систем, Vol 30, Iss 3, Pp 258-263 (2023)
The problem of locating a service center for technical systems with known values of failure flows is considered. This problem was solved using the minisum algorithm of graph theory. The dependence of the system availability factor on the average time
Externí odkaz:
https://doaj.org/article/c6679812feae4d2790de51e2f3470ff3
Publikováno v:
Symmetry, Vol 16, Iss 7, p 783 (2024)
When optimizing a mechanical device, the symmetry principle provides important guidance. Minimum gearbox mass and maximum gearbox efficiency are two single objectives that need to be achieved when designing a gearbox, and they are not compatible. In
Externí odkaz:
https://doaj.org/article/5f923810f68f41689bd3ba9665bf7941
Publikováno v:
Applied Sciences, Vol 14, Iss 12, p 5274 (2024)
This paper provides a novel application of the multi-criteria decision-making (MCDM) method to the multi-objective optimization problem (MOOP) of creating a two-stage helical gearbox (TSHG) with second-stage double gear sets (SDGSs). The aim of the s
Externí odkaz:
https://doaj.org/article/b480b5fdbf4b4d6e839cbd7a5fc2a2fb