Results 251 to 260 of about 2,207,218 (336)
Some of the next articles are maybe not open access.

Analysis on electric impedance-controlled active ultrasonic horn in radial vibration.

Ultrasonics, 2023
As a key component of high-powered ultrasonic vibration systems, ultrasonic horns play an important role in various practical application scenarios. Recent advances in longitudinal ultrasonic horns have enabled them to magnify the Langevin transducer's ...
Yifan Tang, Shuyu Lin
semanticscholar   +1 more source

A novel method for diagnosing rolling bearing surface damage by electric impedance analysis

Tribology International, 2022
This paper presents a novel condition monitoring method for rolling bearings, based on measuring the electric bearing impedance. The method can diagnose the presence of damage by frequency-domain analysis, and its extension along the raceway by time ...
G. Martin, F. Becker, E. Kirchner
semanticscholar   +1 more source

Electric impedance spectroscopy feature extraction for tissue classification with electrode embedded surgical needles through a modified forward stepwise method

Comput. Biol. Medicine, 2021
There has been a growing interest in developing electric impedance sensing surgical tools for tissue identification during surgery. A key facet of this development is identifying distinct features that can be used to identify tissues from one another ...
Brayden Kent, C. Rossa
semanticscholar   +1 more source

Electric impedance of rolling bearings - Consideration of unloaded rolling elements

, 2021
The present paper describes an experimental setup and an associated calculation procedure in order to measure and predict the electric impedance of rolling bearings, in order to use it as a sensor model for measuring bearing loads.
T. Schirra   +3 more
semanticscholar   +1 more source

Electrical Impedance Tomography

Current Opinion in Critical Care, 2009
Electrical impedance tomography (EIT) is a noninvasive, radiation-free monitoring tool that allows real-time imaging of ventilation. The purpose of this article is to discuss the fundamentals of EIT and to review the use of EIT in critical care patients.In addition to its established role in describing the distribution of alveolar ventilation, EIT has ...
Eduardo L V, Costa   +2 more
openaire   +3 more sources

Analysis of Impedance Tuning Control and Synchronous Switching Technique for a Semibridgeless Active Rectifier in Inductive Power Transfer Systems for Electric Vehicles

IEEE transactions on power electronics, 2021
In inductive power transfer (IPT) systems, load, and magnetic coupling variations cause an impedance mismatch. Impedance mismatch is one of the most serious problems in IPT systems for electric vehicles (EVs) because an EV is not always parked in the ...
Sangjoon Ann, Byoung-Kuk Lee
semanticscholar   +1 more source

Electrical impedance tomography

Current Opinion in Critical Care, 2012
Electrical impedance tomography (EIT) is a useful noninvasive tool for monitoring ventilation finding its way into the clinical setting. The focus of this review is to discuss the balance between the potential for EIT as a clinical monitor accepting a level of uncertainty and the scientific demand for absolute perfection.The controversy concerning ...
Stefan, Lundin, Ola, Stenqvist
  +5 more sources

Home - About - Disclaimer - Privacy