Results 111 to 120 of about 250,137 (314)

Efficiency of nonstandard and high contact ratio involute spur gears [PDF]

open access: yes
A power loss prediction was extended to include involute spur gears of nonstandard proportions. The method is used to analyze the effects of modified addendum, tooth thickness, and gear center distance in addition to the parameters previously considered ...
Anderson, N. E., Loewenthal, S. H.
core   +1 more source

Self‐Powered Bearing Sensing and Real‐Time Fault Diagnosis Enabled by Non‐Invasive Triboelectric Sensors and Edge AI Acceleration

open access: yesAdvanced Science, EarlyView.
This study achieves the synergistic integration of self‐powered sensing and edge AI acceleration to establish a real‐time fault diagnosis system. The proposed TENG‐based self‐powered bearing sensor (NSE‐TBS) and FPGA‐accelerated edge AI framework fundamentally break through the inherent limitations of conventional monitoring systems, including complex ...
Kehui Zhu   +7 more
wiley   +1 more source

基于ANSYS的斜齿面齿轮传动的弯曲应力分析

open access: yesJixie chuandong, 2009
The generation of tooth profile of face-gear with helical pinion is studied,the modeling of three-tooth on face-gear drive,and finite element model of the pinion and face-gear is made.The analysis of the bending stress of face-gear drive on different ...
黄丽娟, 朱如鹏
doaj  

Design of Gear Drives With High Gear Ratio [PDF]

open access: yes
A three part paper to describe the results of several gear drive types with a high gear ratio is presented. A single stage planetary gear train with double helical gears is described with methods to reduce transmission errors and improve load ...
Fuentes, Alfonso   +3 more
core   +1 more source

An update on the life analysis of spur gears [PDF]

open access: yes, 1983
An analytical method for predicting surface fatigue life of gears was presented. General statistical methods were outlined, showing the application of the general methods to a simple gear mesh.
Coy, J. J.   +2 more
core   +1 more source

Silicon‐Embedded Multifunctional Heterogeneous Integration for Miniaturized Photoplethysmography Detection Devices

open access: yesAdvanced Science, EarlyView.
ABSTRACT The multifunctional integration of chips with high flexibility and scalable manufacturing is crucial for enhancing chip performance, reducing chip size, and simplifying chip design. However, balancing volume, cost, flexibility, and functionality using traditional heterogeneous integration methods is challenging.
Lang Chen   +7 more
wiley   +1 more source

Advanced Face Gear Surface Durability Evaluations [PDF]

open access: yes
The surface durability life of helical face gears and isotropic super-finished (ISF) face gears was investigated. Experimental fatigue tests were performed at the NASA Glenn Research Center. Endurance tests were performed on 10 sets of helical face gears
Heath, Gregory F., Lewicki, David G.
core   +1 more source

Longwall shearer tracking system [PDF]

open access: yes, 1984
A tracking system for measuring and recording the movements of a longwall shearer vehicle includes an optical tracking assembly carried at one end of a desired vehicle path and a retroreflector assembly carried by the vehicle.
Pease, R. E.   +2 more
core   +1 more source

Integrated Ultrasonic Platform for Bioelectronic Control through Biological Barriers Based on Metasurface

open access: yesAdvanced Science, EarlyView.
A metasurface‐enabled ultrasonic platform achieves precise multi‐focal control through biological barriers, real‐time physiology‐driven modulation, and simultaneous wireless power and data transmission. By unifying wavefront engineering, closed‐loop feedback, and acoustic communication, this work establishes key enabling technologies toward scalable ...
Chuanxin Zhang   +3 more
wiley   +1 more source

变位面齿轮齿宽特性的研究

open access: yesJixie chuandong, 2009
In order to improve the transmission quality of face-gear,the research status about face-gear at home and abroad are summarized,the addendum modification theory of face-gear is analyzed,a mathematical tooth-width model and a visual three-dimension ...
李永祥   +4 more
doaj  

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