Results 101 to 110 of about 108,287 (257)

Design of Large Torque Combined PDM for Pipeline Laying Trenchless Technology

open access: yesShiyou jixie, 2018
At present, PDM is mainly used to provide torque for the reaming bit in the trenchless technique for pipeline laying. However, owing to the limited torque provided by the existing PDM, multiple reaming operations are needed to achieve the requirements ...
Zhang Jie, Liang Zheng, Han Chuanjun
doaj  

Loader power-split transmission system based on a planetary gear set

open access: yesAdvances in Mechanical Engineering, 2018
In hydraulic mechanical transmission loaders, a hydraulic torque converter can prevent an engine from stalling due to overloading of the loader during the spading process; however, the hydraulic torque converter also reduces the loader’s fuel economy ...
Chang Lyu, Zhao Yanqing, Lyu Meng
doaj   +1 more source

Functional Metal Complexes for Solar–Light‐Driven Energy Conversion

open access: yesAdvanced Materials, EarlyView.
This review provides an exhaustive summary of the recent advancements of functional metal complexes in solar‐to‐electrical, ‐chemical, and ‐thermal energy conversion, comprising material categories, design strategies, underlying principles of operation, and identified improvement of performances.
Yanyan Qin   +3 more
wiley   +1 more source

Research on Conical Magnetorheological and Shape Memory Alloy Composite Transmission Performance

open access: yesJixie chuandong, 2019
In view of the disadvantage of magnetorheological fluid (MRF) performance degradation at high temperature, a conical MRF and shape memory alloy (SMA) hybrid transmission method is proposed.
Xi Wang, Jin Huang, Yong Xie
doaj  

Engine Speed Control using Online ANN for Vehicle with EMDAP-CVT [PDF]

open access: yes, 2006
Controlling engine speed corresponding to load variations and road condition has always been a challenge to automotive engineers. However, with the introduction of Electro-Mechanical Dual Acting Pulley Continuously Variable Transmission (EMDAP-CVT ...
Ariyono, Sugeng   +3 more
core  

The Possibility of New Complex Magnet Materials

open access: yesAdvanced Materials, EarlyView.
The quest for stronger magnets enters a new era. With the developments of AI‐driven materials discovery, computational prediction of magnetic properties, and autonomous laboratories, researchers can now explore millions of untested structures. Discovery of next‐generation ultra‐powerful magnets – critical for electric vehicles, renewable energy, and ...
G. Jeffrey Snyder
wiley   +1 more source

Analysis and Optimization of the Influencing Factor on the Transmission Efficiency of MPV Car Driving Axle

open access: yesJixie chuandong, 2016
The influence factors on the transmission efficiency of MPV car driving axle are analyzed by using the vehicle rear axle transmission efficiency test bench.
Mo Yimin   +4 more
doaj  

Design of Multi-mode Hydraulic Mechanical Composite Transmission Device for Tractor

open access: yesJixie chuandong, 2020
In order to meet the complex and varied working conditions of the tractor, a multi-mode hydraulic mechanical composite transmission device is designed.
Wang Haoran   +4 more
doaj  

Development of a space qualified high reliability rotary actuator for spaceflight use. Volume 2: Appendices to technical report [PDF]

open access: yes
A space-qualified, high reliability, 150 ft-lb rated torque rotary actuator is described. This drive is an integrated variable reluctance orbit motor-epicyclic transmission actuator.
Presley, R. W.   +2 more
core   +1 more source

Electric‐Current‐Assisted Nucleation of Zero‐Field Hopfion Rings

open access: yesAdvanced Materials, EarlyView.
This work reports a novel and efficient nucleation protocol for 3D localized topological magnetic solitons‐hopfion rings in chiral magnets using pulsed electric currents. By using Lorentz transmission electron microscopy and topological analysis, we report characteristic features and extraordinary stability of hopfion rings in zero or inverted external
Xiaowen Chen   +12 more
wiley   +1 more source

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