Results 31 to 40 of about 215,155 (301)

Parametric finite-element studies on the effect of tool shape in friction stir welding [PDF]

, 2010
The success of the Friction Stir Welding (FSW) process, and the weld quality produced, depends significantly on the design of the welding tool. In this paper the effect of variation in various tool geometry parameters on FSW process outcomes, during the ...
Hamilton, R., Li, H., Mackenzie, D.
core   +1 more source

Coordinated Slip Control of Multi-Axle Distributed Drive Vehicle Based on HLQR

Mathematics, 2023
For multi-axle distributed drive (MADD) vehicles, the complexity of the longitudinal dynamics control system increases with the number of driven wheels, which presents a huge challenge to control the multi-motor drive vehicle with more than four wheels ...
Yutong Bao, Changqing Du, Dongmei Wu, Huan Liu, Wei Liu, Jun Li   +5 more
doaj   +1 more source

Adaptive Fuzzy Control of an Electronic Differential Based on the Stability Criterion of the Phase Plane Method

World Electric Vehicle Journal
To improve the handling stability of distributed drive electric vehicles, this paper introduces an electronic differential control strategy based on the stability criterion of the phase plane method.
Shaopeng Zhu, Yekai Xu, Linlin Li, Yong Ren, Chenyang Kuang, Huipeng Chen, Jian Gao   +6 more
doaj   +1 more source

Energy-Efficient Torque Distribution Optimization for an Omnidirectional Mobile Robot with Powered Caster Wheels

Energies, 2019
A mobile robot with no less than two powered caster wheels (PCWs) has the ability to perform omnidirectional motions and belongs to a redundantly actuated system.
Wenji Jia, Guilin Yang, Chongchong Wang, Chi Zhang, Chinyin Chen, and Zaojun Fang   +5 more
doaj   +1 more source

Non-equilibrium spatial distribution of Rashba spin torque in ferromagnetic metal layer

, 2012
We study the spatial distribution of spin torque induced by a strong Rashba spin-orbit coupling (RSOC) in a ferromagnetic (FM) metal layer, using the Keldysh non-equilibrium Green's function method.
Chung, N. L., Jalil, M. B. A., Tan, S. G.   +2 more
core   +2 more sources

Comparison of Halbach magnetized brushless machines based on discrete magnet segments or a single ring magnet [PDF]

, 2002
This paper compares the air-gap field distribution, cogging torque, back-electromotive-force waveform, and efficiency of brushless machines having a Halbach magnetization produced by either discrete magnet segments or a single ring magnet.
Howe, D., Xia, Z.P., Zhu, Z.Q.
core   +1 more source

Torque Optimal Allocation Strategy of All-Wheel Drive Electric Vehicle Based on Difference of Efficiency Characteristics between Axis Motors

Energies, 2019
All-wheel drive is an important technical direction for the future development of pure electric vehicles. The difference in the efficiency distribution of the shaft motor caused by the optimal load matching and motor manufacturing process, the ...
Xiaogang Wu, Dianyu Zheng, Tianze Wang, Jiuyu Du   +3 more
doaj   +1 more source

Parametric analysis on the performance of a revolutionary rotary Ericsson heat pump/engine [PDF]

, 2019
© The Author(s) 2018. Published by Oxford University Press. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse ...
Andrew Cunningham, BSRIA (Building Services Research and Information Association), Carlsen, Cengel, Chris Benson, Hugenroth, Hugenroth, Kaushik, Kaushik, Kim, Kussul, Saffa Riffat, Samira, Toure, Tyagi, Wenbin Zhang, Wojewoda   +16 more
core   +2 more sources

Self-current induced spin-orbit torque in FeMn/Pt multilayers

, 2016
Extensive efforts have been devoted to the study of spin-orbit torque in ferromagnetic metal/heavy metal bilayers and exploitation of it for magnetization switching using an in-plane current.
Wu, Yihong, Xu, Baoxi, Xu, Yanjun, Yang, Yumeng, Yao, Kui   +4 more
core   +1 more source

An Adaptive Compound Control Strategy of Electric Vehicles for Coordinating Lateral Stability and Energy Efficiency

Applied Sciences
To enhance the balance between lateral stability and energy efficiency, we propose an adaptive compound controller based on phase plane analysis for four-wheel independent drive electric vehicles (4WID-EVs).
Xia Hua, Kai Xiang, Xiangle Cheng, Xiaobin Ning   +3 more
doaj   +1 more source