Results 61 to 70 of about 21,922 (294)

A next-generation inverse-geometry spallation-driven ultracold neutron source

open access: yes, 2019
The physics model of a next-generation spallation-driven high-current ultracold neutron (UCN) source capable of delivering an extracted UCN rate of around an-order-of-magnitude higher than the strongest proposed sources, and around three-orders-of ...
A. R. Young   +14 more
core   +1 more source

Study of resonances in 1 x 25 kV AC traction systems with external balancing equipment [PDF]

open access: yes, 2016
© 20xx IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new ...
Mesbahi, Nadhir   +2 more
core   +2 more sources

Nonlocomotory Robotic Strategies for Dynamic Rotation Control in Terrestrial Robots: A Review

open access: yesAdvanced Robotics Research, EarlyView.
Terrestrial robots increasingly require rapid body rotation to maintain stability and agility in complex environments. This review shows nonlocomotory rotational control strategies that operate without ground contact, including reaction wheels, tails, bars, limbs, and thrusters.
Y. Liang   +14 more
wiley   +1 more source

Sizing and Energy Management of a Hybrid Locomotive Based on Flywheel and Accumulators [PDF]

open access: yes, 2009
The French National Railways Company (SNCF) is interested in the design of a hybrid locomotive based on various storage devices (accumulator, flywheel, and ultracapacitor) and fed by a diesel generator.
Akli, Cossi Rockys   +4 more
core   +2 more sources

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

open access: yesAdvanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley   +1 more source

The Study of Several Variants of the Traction Drive with Middle-Frequency Transformer

open access: yesAdvances in Electrical and Electronic Engineering, 2008
This paper presents research motivated by industrial demand for special traction drive topology devoted to minimization of traction transformer weight of traction vehicles.
Martin Pittermann   +3 more
doaj  

Research on the Bidirectional Converter Setting Scheme for Urban Rail Transit Traction Power Supply System

open access: yesChengshi guidao jiaotong yanjiu
ObjectiveBidirectional converter technology is an important direction in the application technology research of intelligent and green urban rail transit traction power supply. Due to the differences in external characteristics of bidirectio-nal converter
Lijun DAI   +5 more
doaj   +1 more source

Waveguide Photoactuators: Materials, Fabrication, and Applications

open access: yesAdvanced Robotics Research, EarlyView.
Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi   +4 more
wiley   +1 more source

Study on Operating Environment Characteristics of Traction Converter for EMUs in Extremely-cold Circumstance

open access: yes机车电传动, 2019
Vibration and temperature are important environmental factors that affect the reliability of on-board equipment.The long-distance line operation test of Qingdao-Urumqi was carried out on traction converter of an EMUs in extremely-cold circumstance ...
Zhiang ZHANG   +3 more
doaj  

Energy scheduling algorithm for urban rail active traction power supply system

open access: yes机车电传动, 2022
To promote intelligent application of bidirectional converters in active power supply, the mathematical model and scheduling control strategy were studied in this paper.
ZHANG Chao   +5 more
doaj  

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