Results 41 to 50 of about 617,752 (277)

Control of the weakly damped System with the embedded system support [PDF]

open access: yes, 2018
This paper deals with the experimental verification of the importance of embedded systems with an applied MEMS sensor in controlling weakly damped systems. The aim is to suppress actively residual oscillations.
Kondelová, Anna   +2 more
core   +2 more sources

Multiport VNA Measurements [PDF]

open access: yes, 2008
This article presents some of the most recent multiport VNA measurement methodologies used to characterize these highspeed digital networks for signal integrity.
Ferrero, Andrea Pierenrico   +4 more
core   +1 more source

ANTI-VIBRATION OPTIMIZATION DESIGN FOR CLAMP-LIFTING DEVICE ON AIRCRAFT TRACTORS

open access: yesJixie qiangdu, 2022
In order to solve the vibration problem of clamp-lifting device, the joint mechanical analysis and modelings including clamp-lifting device, wheel and landing gear were carried out, and the system vibration differential equations including stiffness and ...
GAO QingZhen, HUANG An, SHI PeiCheng
doaj  

Experimental data for a flow control valve

open access: yesData in Brief, 2019
Experimental data presented in this paper include the flow measurements through cylindrical orifices and the discharge behavior of Mechanical Choked Orifice Plate, MCOP.
P. Rezazadeh   +2 more
doaj   +1 more source

Intra‐aortic balloon pump: is the technique really outdated?

open access: yesESC Heart Failure, 2020
Aims Intra‐aortic balloon pump (IABP) utilization was expected to be quickly abandoned following the IABP‐shock trial and its class III, level B recommendation in the 2016 European Society of Cardiology (ESC) guidelines.
Mariama Akodad   +4 more
doaj   +1 more source

An Improved Differential Evolution Adaptive Fuzzy PID Control Method for Gravity Measurement Stable Platform

open access: yesSensors, 2023
In the platform gravimeter, the stabilization accuracy of the gravimetric stabilization platform is crucial to improve the accuracy of gravity value measurements due to its uncertainties, such as mechanical friction, inter-device coupling interference ...
Xin Chen   +3 more
doaj   +1 more source

Multi-contrast imaging and digital refocusing on a mobile microscope with a domed LED array [PDF]

open access: yes, 2015
We demonstrate the design and application of an add-on device for improving the diagnostic and research capabilities of CellScope--a low-cost, smartphone-based point-of-care microscope.
D'Ambrosio, Michael V.   +9 more
core   +2 more sources

Differential Regulation of MicroRNAs in End-Stage Failing Hearts Is Associated with Left Ventricular Assist Device Unloading

open access: yesBioMed Research International, 2015
Mechanical unloading by left ventricular assist devices (LVADs) in advanced heart failure (HF), in addition to improving symptoms and end-organ perfusion, is supposed to stimulate cellular and molecular responses which can reverse maladaptive cardiac ...
C. Barsanti   +10 more
semanticscholar   +1 more source

A self-powered analog sensor-data-logging device based on Fowler-Nordheim dynamical systems [PDF]

open access: yesNature Communications, 2020
Continuous, battery-free operation of sensor nodes requires ultra-low-power sensing and data-logging techniques. Here we report that by directly coupling a sensor/transducer signal into globally asymptotically stable monotonic dynamical systems based on ...
Darshit Mehta, K. Aono, S. Chakrabartty
semanticscholar   +1 more source

Vibration control in plates by uniformly distributed PZT actuators interconnected via electric networks

open access: yes, 2010
In this paper a novel device aimed at controlling the mechanical vibrations of plates by means of a set of electrically-interconnected piezoelectric actuators is described. The actuators are embedded uniformly in the plate wherein they connect every node
Batra   +17 more
core   +1 more source

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