Results 71 to 80 of about 21,922 (294)
Design of drive and control system of 4-quadrant converter for traction shearer
Gong-kuang zidonghua, 2016 The paper designed a new drive and control system of 4-quadrant converter for traction shearer according to index requirements of 4-quadrant converter of shearer, and introduced design of hardware circuit and software implementation of the system.
DENG Yonghong, CAO Haokun, ZHANG Quanzhu
doaj +1 more source
A novel two-quadrant zero-current transition converter for dc motor drives [PDF]
, 1998 A novel two-quadrant (2Q) zero-current-transition (ZCT) converter with the capabilities of 2Q power flow, and ZCT switching profile for DC motor drives is presented.
Chan, CC, Chau, KT, Ching, TW
core +1 more source
Advanced Robotics Research, EarlyView.An enhanced universal gripper combining rigid mechanics with self‐adaptable fingers is presented for industrial automation. The novel six‐bar linkage with integrated compliant pad eliminates mechanical interference while enabling passive shape adaptation.
Muhammad Usman Khalid +7 more
wiley +1 more source
Cross‐Scale Hierarchical Targeted Delivery System Based on Small‐Scale Magnetic Robots
Advanced Robotics Research, EarlyView.This article reviews a cross‐scale hierarchical targeted delivery system that integrates magnetic continuum robots and magnetic microrobots. By combining rapid long‐range navigation with precise microscale targeting, the system overcomes key limitations of single‐scale approaches.
Junjian Zhou +4 more
wiley +1 more source
AC Drive System of Macedon EMUs
机车电传动, 2017 The main components and their parameters of AC drive system of the exported Macedon EMUs were introduced. The technical characteristics about lightweight design of the traction converter were mainly described, especially from which secondary resonant ...
LIU Haitao, ZHANG Zhibing, GAO Jun
doaj
Research on Crowbar Protection Circuit in Traction Converter
, 2021 In view of the current status of IGBT failures causing serious consequences in traction converter, several common IGBT power module failure modes were analyzed, crowbar protection circuit and principle were introduced, and the qualitative and quantitative comparisons of with/without crowbar protection circuit in various failure modes were carried out ...
Yupeng LI +5 more
openaire +1 more source
Advanced Robotics Research, EarlyView.Micro‐ and nanorobots for targeted thrombolysis. This perspective elaborates on the clinical indication of blood clot disorders and current limitations for treatment. As a novel, alternative solution, micro‐ and nanorobots can be used to treat and break down thrombi.
Joshua M. Mesfin +3 more
wiley +1 more source
Research on the Permanent Magnet Synchronous Motor Drive Systemfor High-speed EMUs
机车电传动, 2016 To achieve high energy-efficiency of high-speed EMUs, PMSM traction system for high-speed EMUs was developedbased on CRH380A technical platform. Overall technical parameters, traction characteristic curve design, main circuit of traction system,main ...
Feng Jianghua
doaj
A Condition Evaluation Simplified Method for Traction Converter Power Module Based on Operating Interval Segmentation. [PDF]
Sensors (Basel), 2023 Wang L, Zhou M, Dongye Z, Sha Y, Chen J.
europepmc +1 more source
Torque control strategy for an axial flux switched reluctance machine [PDF]
, 2018 This paper reflects the work done to design a torque control strategy for an axial flux switched reluctance machine. The general electrical model is first presented but as the switched reluctance machine behaves nonlinearly1 a (three-dimensional) finite ...
Egea, Aritz, Poza, J., Ugalde, G.
core