Results 11 to 20 of about 778,773 (299)

Wake and impedance [PDF]

open access: yesAIP Conference Proceedings, 2001
Lecture presented at JAS'2000 Accelerator School On Frontiers Of Accelerator Technology: High Quality Beams, St.
Stupakov, G. V.
openaire   +4 more sources

A spatial impedance controller for robotic manipulation [PDF]

open access: yes, 1997
Mechanical impedance is the dynamic generalization of stiffness, and determines interactive behavior by definition. Although the argument for explicitly controlling impedance is strong, impedance control has had only a modest impact on robotic ...
Broenink, Jan F., Fasse, Ernest D.
core   +2 more sources

Influence of normal and radial contributions of local current density on local electrochemical impedance spectroscopy. [PDF]

open access: yes, 2012
A new tri-electrode probe is presented and applied to local electrochemical impedance spectroscopy (LEIS) measurements. As opposed to two-probe systems, the three-probe one allows measurement not only of normal, but also of radial contributions of local ...
Annergren   +49 more
core   +4 more sources

Impedance analysis of new PS internal dump design [PDF]

open access: yes, 2018
The High Luminosity Large Hadron Collider (HL-LHC) project at CERN calls for increasing beam intensity in the injector chain. In the Proton Synchrotron (PS), a pre-injector of the LHC, these intensities can result in beam instabilities and potential RF ...
Popovic, Branko   +2 more
core   +1 more source

A Novel Stator Turn Fault Detection Technique by Using Equivalent High Frequency Impedance

open access: yesIEEE Access, 2020
Stator turn fault is the most serious failure in the electrical machine drive which requires immediate detection techniques. Under such a turn fault, the fundamental change is that the high frequency (HF) impedance of the fault phase is significantly ...
Bo Wang   +3 more
doaj   +1 more source

Scanning Impedance Microscopy: From Impedance Spectra to Impedance Images [PDF]

open access: yesMicroscopy Today, 2001
Abstract The properties and performance of electronic devices are crucially dependent on interface-related phenomena. The presence of interfaces can enable electronic device functionality (p-n diodes, solar cells); alternatively, non-functional interfaces can degrade device performance (ohmic vs. non-ohmic contacts).
Sergei V. Kalinin, Dawn A. Bonnell
openaire   +2 more sources

Measurements of the CERN PS longitudinal resistive coupling impedance [PDF]

open access: yes, 2016
The longitudinal coupling impedance of the CERN PS has been studied in the past years in order to better understand collective effects which could produce beam intensity limitations for the LHC Injectors Upgrade project.
BIANCACCI, NICOLÒ   +5 more
core   +1 more source

Serum osmolarity and haematocrit do not modify the association between the impedance index (Ht2/Z) and total body water in the very old: The Newcastle 85+ Study [PDF]

open access: yes, 2015
Bioelectrical impedance is a non-invasive technique for the assessment of body composition; however, information on its accuracy in the very old (80+ years) is limited.
Collerton, Joanna   +9 more
core   +1 more source

Enhanced magnetic flux density mapping using coherent steady state equilibrium signal in MREIT

open access: yesAIP Advances, 2016
Measuring the z-component of magnetic flux density B = (Bx, By, Bz) induced by transversally injected current, magnetic resonance electrical impedance tomography (MREIT) aims to visualize electrical property (current density and/or conductivity ...
Woo Chul Jeong   +5 more
doaj   +1 more source

Implantable Impedance Plethysmography [PDF]

open access: yesSensors, 2014
We demonstrate by theory, as well as by ex vivo and in vivo measurements that impedance plethysmography, applied extravascularly directly on large arteries, is a viable method for monitoring various cardiovascular parameters, such as blood pressure, with high accuracy.
Michael Theodor   +9 more
openaire   +4 more sources

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