Results 1 to 10 of about 1,216,022 (275)

Investigation of Vehicle Stability with Consideration of Suspension Performance

Applied Sciences, 2021
The issue of movement stability remains highly relevant considering increasing vehicle speeds. The evaluation of vehicle stability parameters and the modeling of specific movement modes is a complex task, as no universal evaluation criteria have been ...
Vaidas Lukoševičius, Rolandas Makaras, Arūnas Rutka, Robertas Keršys, Andrius Dargužis, Ramūnas Skvireckas   +5 more
doaj   +3 more sources

Computational efficient model predictive current control for interior permanent magnet synchronous motor drives

IET Power Electronics, 2022
The standard model predictive control (MPC) of three‐phase motors requires heavy calculation efforts for evaluating all voltage vectors (VV) in addition to the variable switching frequency, large current harmonics, and torque ripples.
Mannan Hassan, Xinglai Ge, Rao Atif, Abebe Teklu Woldegiorgis, Muhammad Shahid Mastoi, Muhammad Bilal Shahid   +5 more
doaj   +1 more source

Static and Dynamic Analysis of Conductor Rail with Large Cross-Sectional Moment of Inertia in Rigid Catenary Systems

Energies, 2023
The rigid catenary system is widely used in tunnels to power electric trains via contact with a pantograph. Due to gravity, the contact wire normally has a sag that may affect the dynamic interaction performance with a pantograph.
Xiaohe Feng, Shibin Gao, Yang Song, Zeyao Hu, Long Chen, Tao Liang   +5 more
doaj   +1 more source

Effect of Concentration of Lithium Tetraborate Electrolyte on the Micro-Arc Oxidation Ceramic Layer on Zr-4 Alloy [PDF]

Cailiao Baohu, 2023
In order to improve the service performance of Zr-4 alloy in nuclear industry and avoid introducing impurity elements， the micro-arc oxidation ceramic layer was prepared on the surface of Zr-4 alloy with Li2B4O7 as electrolyte.The effects of ...
HUANG Jiajun, JIN Fanya, HU Junda, LIU Hao, HUANG Yi, DAN Min, WAN Junhao, TANG Guoqing, ZHANG Yong
doaj   +1 more source

Adaptive on Time Controlled Double-Line- Frequency Ripple Suppressor With Fast Dynamic Response and High Efficiency

IEEE Access, 2020
Due to the input power and output power do not match in real time, single-stage power factor correction converters have large double-line-frequency ripple at the output voltage.
Xi Chen, Ping Yang, Jin Cao, Xinyang Li, Yusheng Peng, Songrong Wu, Guohua Zhou   +6 more
doaj   +1 more source

A Class of Diffusion Zero Attracting Stochastic Gradient Algorithms With Exponentiated Error Cost Functions

IEEE Access, 2020
In this paper, a class of diffusion zero-attracting stochastic gradient algorithms with exponentiated error cost functions is put forward due to its good performance for sparse system identification. Distributed estimation algorithms based on the popular
Zhengyan Luo, Haiquan Zhao, Xiangping Zeng   +2 more
doaj   +1 more source

Multifunctional polarization converter based on multilayer reconfigurable metasurface

Defence Technology, 2023
In the modern wireless communication system, the manipulation for polarization of electromagnetic wave plays a important role in improving the capacity and reliability of communication. In this paper, a multifunctional polarization converter (MFPC) based
Ping Wang, Yong Zhang, Yu Wang, Hong-cheng Zhou, Zhong-ming Yan   +4 more
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Calculation and Analysis of Electromagnetic Characteristics of Double-Fed Linear Motor

IEEE Access, 2019
This paper presents the calculation analysis of the electromagnetic characteristics in double-fed linear motor (DFLM). First, the one-dimensional electromagnetic field model of DFLM is established.
Ying Wang, Hongyun He, Weiguo Lu, Xiaofen Geng, Yang Xu, Zongjian Li   +5 more
doaj   +1 more source

Extended Sliding Mode Disturbance Observer-Based Sensorless Control of IPMSM for Medium and High-Speed Range Considering Railway Application

IEEE Access, 2019
The sliding mode observer (SMO)-based approach known for its robustness towards parameter variation (external disturbance) has been used for the sensorless motor drive system.
Abebe Teklu Woldegiorgis, Xinglai Ge, Songtao Li, Mannan Hassan   +3 more
doaj   +1 more source

Dynamic Characteristics Analysis of ISD Suspension System under Different Working Conditions

Mathematics, 2021
The “inerter-spring-damper” (ISD) suspension system is a suspension system composed of an inerter, spring, and damper. To study the ride comfort and stability of the vehicle by using the ISD suspension system, a vehicle model with ISD suspension is ...
Xiaopeng Li, Fanjie Li, Dongyang Shang
doaj   +1 more source