An Ultra-Low-Voltage Bulk-Driven Analog Voltage Buffer with Rail-to-Rail Input/Output Range
Sign Up to like & getrecommendations! Published in 2017 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-017-0663-x
Abstract: This paper presents a low-voltage high driving capability rail-to-rail Class-AB CMOS bulk-driven (BD) operational transconductance amplifier (OTA) for analog voltage buffer with minimal current consumption. The proposed OTA design consists of adaptively biased Class-AB differential… read more here.
Keywords: rail rail; voltage; low voltage; bulk driven ... See more keywords
An ultra-low-power near rail-to-rail pseudo-differential subthreshold gate-driven OTA with improved small and large signal performances
Sign Up to like & getrecommendations! Published in 2021 at "Analog Integrated Circuits and Signal Processing"
DOI: 10.1007/s10470-021-01899-8
Abstract: An efficient architecture of a high-performance ultra-low-voltage gate-driven two-stage pseudo-fully differential operational transconductance amplifier (OTA) is presented. The proposed subthreshold-region operated OTA utilizes two identical conventional current-mirror-based source coupled pseudo-differential amplifiers with their cross-connected gate… read more here.
Keywords: rail rail; voltage; near rail; gate ... See more keywords
Bifurcation analysis of 4-axle rail vehicle models in a curved track
Sign Up to like & getrecommendations! Published in 2017 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-017-3489-y
Abstract: The article presents authors’ recent results on nonlinear lateral stability of rail vehicles in a curved track. The theories of self-exciting vibrations and bifurcation are the key elements here. The general objective is presentation of… read more here.
Keywords: rail vehicle; vehicle models; curved track; analysis ... See more keywords
Rail Detection Based on LSD and the Least Square Curve Fitting
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Automation and Computing"
DOI: 10.1007/s11633-020-1241-4
Abstract: It is necessary to rely on the rail gauge to determine whether the object beside the track will affect train operation safety or not. A convenient and fast method based on line segment detector (LSD)… read more here.
Keywords: curve fitting; least square; rail; square curve ... See more keywords
Experimental Analysis of Rail Contact Fatigue Damage on Frog Rail of Fixed Common Crossing 1:12
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Failure Analysis and Prevention"
DOI: 10.1007/s11668-019-00696-w
Abstract: Assembled fixed common crossings of the steel grade R350HT with high switch angles are subjected to quick rail contact fatigue (RCF) deterioration. The crossings are a significant cost driver in railway maintenance and have an… read more here.
Keywords: rail contact; frog rail; rail; fixed common ... See more keywords
Warm Forming Behavior of Magnesium Alloy Sheet in Manufacturing of Window Regulator Rail
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Automotive Technology"
DOI: 10.1007/s12239-019-0129-1
Abstract: Recently, as the demands to improve automotive fuel efficiency grow, several attempts are being conducted on the development of lightweight automotive components using magnesium (Mg) alloy sheets having the highest specific strength among metal materials.… read more here.
Keywords: alloy; warm forming; forming behavior; rail ... See more keywords
Assessment of existing and future rail freight services and Technologies for low Density High Value Goods in Europe
Sign Up to like & getrecommendations! Published in 2017 at "European Transport Research Review"
DOI: 10.1007/s12544-017-0277-1
Abstract: IntroductionIn recent years there have been major changes in the composition of cargo to the point where, in Europe, semi-finished products (e.g. car parts) and finished goods represent the greatest transport demand. This type of… read more here.
Keywords: freight; research; transport; freight services ... See more keywords
A 2 mA PA Driver Capable of Handling 1μF Load Capacitance with a Three-Stage Class-AB Rail-To-Rail Amplifier
Sign Up to like & getrecommendations! Published in 2021 at "Arabian Journal for Science and Engineering"
DOI: 10.1007/s13369-021-05350-y
Abstract: In this paper, a three-stage rail-to-rail class-AB amplifier for GaAs/GaN PA driver in radar transmitter components is achieved using a proposed frequency compensation scheme in 0.35 μm CMOS technology. Meanwhile, a negative voltage reference is proposed… read more here.
Keywords: three stage; capable handling; driver capable; load ... See more keywords
The Use of Under Sleeper Pads to Improve the Performance of Rail Tracks
Sign Up to like & getrecommendations! Published in 2020 at "Indian Geotechnical Journal"
DOI: 10.1007/s40098-020-00418-2
Abstract: In recent years, with the growing demand for both passenger and freight mobility, faster and heavier rail traffic has been the norm rather than the exception in many countries. As a result, track geometry and… read more here.
Keywords: track; use sleeper; rail tracks; sleeper pads ... See more keywords
Microstructural evolution of white and brown etching layers in pearlitic rail steels
Sign Up to like & getrecommendations! Published in 2019 at "Acta Materialia"
DOI: 10.1016/j.actamat.2019.04.012
Abstract: Abstract The formation of White (WEL) and Brown Etching Layers (BEL) on rail raceways during service causes the initiation of microcracks which finally leads to failure. Detailed characterization of the WEL and the BEL in… read more here.
Keywords: etching layers; microstructural evolution; brown etching; rail ... See more keywords
Influence of rail fastener stiffness on railway vehicle interior noise
Sign Up to like & getrecommendations! Published in 2019 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2018.09.006
Abstract: Abstract More attention has been paid in recent years to the interior noise of railway vehicles. It has been observed that the interior noise can increase in some locations where vibration-isolation measures are used in… read more here.
Keywords: rail; influence; vibration; interior noise ... See more keywords