Results 131 to 140 of about 576,681 (349)

The Power Analysis of Semiconductor Devices in Multi-Phase Traction Inverter Topologies Applicable in the Automotive Industry

Communications
The article deals with the power analysis of semiconductor devices nowadays commonly used in perspective traction inverter topologies suitable for automotive industry applications.
Jakub Šimčák, Michal Frivaldský, Patrik Resutík   +2 more
doaj   +1 more source

A Fault-Tolerant T-Type Multilevel Inverter Topology with Soft-Switching Capability Based on Si and SiC Hybrid Phase Legs [PDF]

, 2016
The performance of a novel three-phase four-leg fault-tolerant T-Type inverter topology is presented in this paper, which significantly improves the inverter\u27s fault-tolerant capability regarding device switch faults.
Demerdash, Nabeel, He, Jiangbiao, Katebi, Ramin, Wei, Lixiang, Weise, Nathan   +4 more
core   +1 more source

Large Deformation Pile‐soil Interaction Under Lateral Vehicle Impact Using Hybrid SPH+FEM and EFG+FEM Models

International Journal for Numerical and Analytical Methods in Geomechanics, EarlyView.
ABSTRACT This study presents large deformation computational methods to simulate lateral vehicular impacts on steel piles in granular soil. Soil‐mounted longitudinal barrier systems rely on energy dissipation in both the piles and the surrounding soil to safely redirect errant vehicles, so dynamic pile‐soil interaction is important for design ...
Tewodros Y. Yosef, Chen Fang, Seunghee Kim, Ronald K. Faller, Qusai A. Alomari, Mojtaba Atash Bahar, Gnyarienn S. Kumar   +6 more
wiley   +1 more source

High-frequency Negative Effect Analysis and Countermeasures of Traction Inverter Based on all SiC MOSFET for Rail Transit

机车电传动, 2020
After the adoption of SiC device in traction converter for rail transit, the design of traction system will be negatively affected by the high switching speed and high switching frequency of power switch devices.
Yongjian ZHI, Deyong YANG, Bingquan ZHU, Keliang YUAN, Zifan GAO, Pengfei LI   +5 more
doaj  

Recent Advances in Chemical Bath Deposition of Electron and Hole Transport Layers for Perovskite Solar Cells and Modules

Rare Metals, EarlyView.
ABSTRACT The development of high‐efficiency, stable, and scalable perovskite solar cells/perovskite solar modules (PSCs/PSMs) highly depends on the performance and cost‐effectiveness of functional layers such as electron transport layers (ETLs) and hole transport layers (HTLs).
Baochang Wang, Yuxin Shi, Jingting Yang, Yunsong Feng, Zhigang Li, Hanwen Zhu, Changqi Zhou, Liping Liu, Xuean Liu, Yajing Chang, Yang Jiang, Guoqing Tong   +11 more
wiley   +1 more source

Applications of wide bandgap semiconductors in electric traction drives: Current trends and future perspectives

Results in Engineering
As the demand for highly efficient Electric Vehicles (EVs) continues to rise, developing highly efficient traction drives is imperative, as they are pivotal in determining the vehicle's performance and overall range.
Hassan Ali Soomro, Mohd Haris Bin Md Khir, Saiful Azrin B M Zulkifli, Ghulam E Mustafa Abro, Mohammad Madhat Abualnaeem   +4 more
doaj   +1 more source

Development and Preliminary Evaluation of a Machine Vision‐Guided Smart Sprayer Prototype Toward Precision Vegetable Weeding

Journal of Field Robotics, EarlyView.
ABSTRACT Sustainable weed management necessitates herbicide‐reduced, precision weed control. Recent advancements in machine vision and artificial intelligence (AI) for weed recognition and localization have created new opportunities for high‐precision weeding. Although blanket spraying systems are widely used for weed removal, machine vision‐guided, AI‐
Boyang Deng, Yuzhen Lu, Daniel Brainard
wiley   +1 more source

Vector Field‐Based Collision‐Free Navigation in Tunnel‐Like Environments

Journal of Field Robotics, EarlyView.
ABSTRACT Tunnel‐like environments, renowned for their vast scale, confined spaces, and limited visibility, present significant challenges for autonomous robot navigation. This study addresses the critical issue of guiding robots through such environments while ensuring collision‐free navigation and maintaining a specified safety margin from both tunnel
Bao Jianjun, Licheng Feng, Yueqi Wang, Kai Zhao, Binghao Li, Liao Wu   +5 more
wiley   +1 more source

Predictive control for energy management in all/more electric vehicles with multiple energy storage units [PDF]

, 2003
The paper describes the application of Model Predictive Control (MPC) methodologies for application to electric and hybrid-electric vehicle drive-train formats incorporating multiple energy/power sources.
Bingham, Chris, Schofield, N, West, M J
core  

Efficient and Adaptive Autonomous Guidance and Control of Planetary Rover With Improved Traction Controller and Dynamic Cost Map

Journal of Field Robotics, EarlyView.
ABSTRACT Planetary exploration is rapidly gaining importance within the space research community. Autonomous locomotion of rovers requires consideration of several mobility aspects to ensure safety, including avoiding hazardous areas that can cause the robot to become immobilized in soft soil or damaged in sharp terrains.
Alessio De Luca, Luca Muratore, Nikos G. Tsagarakis, Martin Azkarate   +3 more
wiley   +1 more source