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Direct-drive laser fusion: status, plans and future. [PDF]
Laser-direct drive (LDD), along with laser indirect (X-ray) drive (LID) and magnetic drive with pulsed power, is one of the three viable inertial confinement fusion approaches to achieving fusion ignition and gain in the laboratory.
Campbell EM +26 more
europepmc +2 more sources
Quasi-Direct Drive Actuation for a Lightweight Hip Exoskeleton with High Backdrivability and High Bandwidth. [PDF]
High-performance actuators are crucial to enable mechanical versatility of wearable robots, which are required to be lightweight, highly backdrivable, and with high bandwidth. State-of-the-art actuators, e.g., series elastic actuators, have to compromise
Yu S +7 more
europepmc +3 more sources
Sign Language Recognition Based on Keyframe and Attention Residual Network [PDF]
The study of sign language recognition is crucial for improving the quality of life of deaf-mute people and promoting the development of human-computer interactions. Typically, sign language videos contain numerous irrelevant frames.
Qunpo LIU, Yueqin SHENG, Ruxin GAO, Xuhui BU
doaj +1 more source
Critical Review of Direct-Drive Electrical Machine Systems for Electric and Hybrid Electric Vehicles
With ever-increasing concern of fossil fuel storage and environmental pollution, transportation electrification has recently attracted extensive attention.
S. Cai +2 more
semanticscholar +1 more source
Field experiences have shown that sub-synchronous oscillations (SSOs) can occur in direct-drive wind farms with VSC-HVDC (DDWFV) systems. In light of this, a dynamic mathematical model of the DDWFV is established in this paper.
Bingbing Shao +4 more
semanticscholar +1 more source
The mass production of the motors causes tolerance of shape and dimension, deviation of permanent magnet remanence and rotor eccentricity error, which affect the cogging torque and torque ripple amplitude and performance consistency.
Haichao Feng +5 more
doaj +1 more source
Permanent Magnet Vernier Machines for Direct-Drive Offshore Wind Power: Benefits and Challenges
Permanent magnet Vernier (PM-V) machines, at low power levels (few kWs), have shown a great potential to improve the torque density of existing direct-drive PM machines without much compromising on efficiency or making the machine structure more ...
D. K. K. Padinharu +6 more
semanticscholar +1 more source
Minimum Return Power Control for Three-Level Dual Active Hybrid Full-Bridge DC-DC Converters
Hybrid three-level full bridge (H-TLFB) DC-DC converters increase the input voltage range by introducing a three-level bridge arm. Aimed at the problems of large power return and high current stress in the traditional dual phase shift control, a minimum ...
TAO Haijun, ZHANG Jinsheng, XIAO Qunxing, ZHENG Zheng
doaj +1 more source
Given the existence of detent force, the positioning accuracy of permanent magnet linear synchronous motor (PMLSM) with an iron core worsens in its application in the field of the precision drive.
Zhiyong Lan +5 more
doaj +1 more source
The main bearing is the core component of gas-fired generator, and its reliability directly affects the stability of the whole system. Therefore, it is of great significance to study the fault diagnosis of the main bearing of gas-fired generator.
Yunji Zhao +3 more
doaj +1 more source

