Results 121 to 130 of about 10,936 (144)

Handheld robotic device for endoscopic neurosurgery: system integration and pre-clinical evaluation. [PDF]

Front Robot AI
Dimitrakakis E, Dwyer G, Newall N, Khan DZ, Marcus HJ, Stoyanov D.   +5 more
europepmc   +1 more source

Cyclic Fatigue, Torsional Strength and Angular Deflection of Different Reciprocating Instruments: A Critical Analysis of Its Clinical Relevance. [PDF]

Eur Endod J
Caviedes Bucheli J, Teves Cordova A, Alcalde MP, Munoz HR, Muñoz Alvear HD, Gay MM, Portigliatti R, Gomez Sosa JF, Olmos Fassi J, Duarte MAH.   +9 more
europepmc   +1 more source

Jaw-Muscle Structure and Function in Primates: Insights Into Muscle Performance and Feeding-System Behaviors. [PDF]

Evol Anthropol
Taylor AB, Holmes MA, Laird MF, Terhune CE.   +3 more
europepmc   +1 more source

RoboCT: The State and Current Challenges of Industrial Twin Robotic CT Systems. [PDF]

Sensors (Basel)
Herl G, Wittl S, Jung A, Handke N, Weiss A, Eberhorn M, Oeckl S, Zabler S.   +7 more
europepmc   +1 more source

Nature's Load-Bearing Design Principles and Their Application in Engineering: A Review. [PDF]

Biomimetics (Basel)
Breish F, Hamm C, Andresen S.
europepmc   +1 more source

Experiences of Wheelchair Users With Spinal Cord Injury With Self-Tracking and Commercial Self-Tracking Technology ("In Our World, Calories Are Very Important"): Qualitative Interview Study.

JMIR Hum Factors
Mylonopoulou V, Cerna K, Weilenmann A, Rost M, Holmlund T.   +4 more
europepmc   +1 more source

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Effect of stiffness on load-sharing characteristics of twin rotors concentric face gear power-split transmission system

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2022
A twin rotors concentric face-gear power-split transmission system (TRCFGPSTS) applied to the core transmission mechanism of advanced aviation twin rotors helicopter was studied. The effects of torsional stiffness and support stiffness on the load-sharing characteristics of system were mainly studied. By comprehensively considering the factors such as
Dong Hao, Zhang Hao-qin, Liu Zhen-Bin, Bi Yue   +3 more
openaire   +3 more sources

Dynamic characteristics and load-sharing performance of concentric face gear split-torque transmission systems with time-varying mesh stiffness, flexible supports and deformable shafts

Meccanica, 2021
The concentric face gear split-torque transmission system is a new gear mechanism which integrates the advantages of face gears, split-torque transmissions and concentric transmissions. The power transmission through multiple branches improves the systematic load capacity. However, the uniformity of load sharing between branches seriously restricts the
Jianxiong Dong, Qibo Wang, Jinyuan Tang, Zehua Hu, Xiaoqian Li   +4 more
openaire   +3 more sources

Investigation of the Vibration Features and Dynamic Load Sharing Characteristics of Concentric Face Gear Torque Split Transmission

Journal of Computational and Nonlinear Dynamics, 2021
Abstract A concentric face gear torque split system used in the helicopter main transmission to transfer more power and reduce the structure weight is introduced. A mathematical model is proposed to analyze the vibration characteristics as well as load sharing performances of the torque split system.
Jianxiong Dong, Zehua Hu, Jinyuan Tang, Zhiwei Wang, Siyu Chen   +4 more
openaire   +3 more sources

A semi-analytical method of time-varying mesh stiffness in concentric face gear split-torque transmission system

Journal of Mechanical Science and Technology, 2020
Concentric face gear split-torque transmission system (CFGSTTS) has great applied value in the field of aeronautical transmission due to the characteristic of high integration. Mesh stiffness, as one of the most primary sources of vibration, is vitally important for the dynamic performances of gear transmission system.
Jianxiong Dong, Jinyuan Tang, Zehua Hu, Yi Wang   +3 more
openaire   +3 more sources