Results 81 to 90 of about 67,464 (300)

Learning of Virtual Impedance Parameters in Non-contact Impedance Control using Neural Networks.

open access: yesJournal of the Robotics Society of Japan, 2000
Although an impedance control is one of the most effective control method for a manipulator in cntact with its environment, the end-effector of the manipulator does not move until an external force is exerted. In order to control the manipulator motion before contact with the environment, a non contact impedance control has been proposed, which can ...
Yuji Noguchi   +3 more
openaire   +2 more sources

Miniature Nanomesh Mechano‐Acoustic Sensor with Wide Linear Dynamic Range, Broad Bandwidth, and Flat Frequency Response

open access: yesAdvanced Functional Materials, EarlyView.
A miniaturized mechano‐acoustic sensor is developed using an electrospun PVDF nanomesh as the diaphragm in a capacitive sensor structure. Unlike conventional nanomesh‐based sensors, it achieves high linear sensitivity, a broad and flat frequency response, and a compact form factor.
Jeng‐Hun Lee   +8 more
wiley   +1 more source

A Control Method for Unbalanced Current in Grid Type Energy Storage Based on Negative Sequence Virtual Impedance

open access: yesIEEE Open Journal of Circuits and Systems
Grid type energy storage has inertia support capability, and unbalanced grid voltage will cause grid type energy storage current fluctuation and active power fluctuation.
Li You   +4 more
doaj   +1 more source

Near Source Acoustical Particle Velocity Measurements with Ambient Noise [PDF]

open access: yes, 2007
An acoustical measurement very near a structure can be a cheap alternative to other contactless vibration measurement techniques such as laser vibrometry.
Boer, A. de   +2 more
core   +1 more source

Validation by Measurements of a IC Modeling Approach for SiP Applications [PDF]

open access: yes, 2011
The growing importance of signal integrity (SI) analysis in integrated circuits (ICs), revealed by modern systemin-package methods, is demanding for new models for the IC sub-systems which are both accurate, efficient and extractable by simple ...
Canavero, Flavio   +8 more
core   +1 more source

Universal In Situ Isotope Exchange Raman Spectroscopy (IERS) Methodology for Measuring Oxygen Surface Exchange Dynamics Using a Probe Layer

open access: yesAdvanced Functional Materials, EarlyView.
A bespoke multilayer thin film configuration has been designed, which overcomes the material dependency of conventional isotope exchange Raman spectroscopy (IERS). This universal IERS methodology is efficient, non‐destructive and provides additional structural information and time resolution, which can be further extended to various isotopic elements ...
Zonghao Shen   +7 more
wiley   +1 more source

Device Integration Technology for Practical Flexible Electronics Systems

open access: yesAdvanced Functional Materials, EarlyView.
Flexible device integration technologies are essential for realizing practical flexible electronic systems. In this review paper, wiring and bonding techniques critical for the industrial‐scale manufacturing of wearable devices are emphasized based on flexible electronics.
Masahito Takakuwa   +5 more
wiley   +1 more source

Peptide Sequencing With Single Acid Resolution Using a Sub‐Nanometer Diameter Pore

open access: yesAdvanced Functional Materials, EarlyView.
To sequence a single molecule of Aβ1−42–sodium dodecyl sulfate (SDS), the aggregate is forced through a sub‐nanopore 0.4 nm in diameter spanning a 4.0 nm thick membrane. The figure is a visual molecular dynamics (VMD) snapshot depicting the translocation of Aβ1−42–SDS through the pore; only the peptide, the SDS, the Na+ (yellow/green) and Cl− (cyan ...
Apurba Paul   +8 more
wiley   +1 more source

Oscillation Suppression Method by Two Notch Filters for Parallel Inverters under Weak Grid Conditions

open access: yesEnergies, 2018
With plenty of parallel inverters connected to a weak grid at the point of common coupling (PCC), the impedance coupling interactions between the inverters and the grid are enhanced, which may cause high-frequency harmonic oscillation and further ...
Ling Yang   +4 more
doaj   +1 more source

Distributed Secondary Control for State of Charge Balancing with Virtual Impedance Adjustment in a DC Microgrid

open access: yesEnergies, 2020
For the purpose of accurate power sharing and the state of charge (SOC) balancing of each energy storage unit (ESU), a novel secondary control scheme which regulates the virtual impedance is proposed herein.
Daner Hu   +3 more
doaj   +1 more source

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