Results 31 to 40 of about 86,065 (315)

Identification Method of Modal Parameters of Machine Tools Under Periodic Cutting Excitation

open access: yesIEEE Access, 2020
The dynamics of a machine tool have an important influence on the quality and efficiency of the machining process. In this paper, the modal parameters identification method of machine tools under normal cutting excitation is proposed based on the fact ...
Ling Yin   +7 more
doaj   +1 more source

Vibroacoustics of the piano soundboard : (Non)linearity and modal properties in the low- and mid-frequency ranges [PDF]

open access: yes, 2013
The piano soundboard transforms the string vibration into sound and therefore, its vibrations are of primary importance for the sound characteristics of the instrument.
RÉBILLAT, Marc   +2 more
core   +1 more source

Finite Element Model Updating of Axisymmetric Structures

open access: yesApplied Sciences
Creating the most accurate numerical models with the same dynamic behavior as real structures plays an important role in the development process of various facilities.
Pavol Lengvarský   +3 more
doaj   +1 more source

RESEARCH REGARDING THE MODAL PARAMETERS IDENTIFICATION FOR METALLIC STRUCTURES (II) [PDF]

open access: yesFiabilitate şi Durabilitate, 2012
Starting from the theoretical background written in [1], we present the package programs software realized by the authors for modal parameters identification of this kind of structures.
Dan ILINCIOIU   +2 more
doaj  

Performance of Modal Signaling vs. medium dielectric variability [PDF]

open access: yes, 2012
This paper addresses the feasibility of the so-called Modal Signaling (MS) transmission scheme from a stochastic viewpoint. MS has been proposed for crosstalk mitigation over interconnects and is based on the encoding of signals onto fundamental ...
Stievano, Igor Simone   +5 more
core   +1 more source

Operational modal analysis using symbolic regression for a nonlinear vibration system

open access: yesJournal of Low Frequency Noise, Vibration and Active Control, 2021
The existence of nonlinearity is an inevitable frequent occurrence that should be considered to accurately identify the modal parameters of a vibration system using operational modal analysis.
Xuchu Jiang, Feng Jiang
doaj   +1 more source

On the robustness of the average power ratios in damping estimation: application in the structural health monitoring of composites beams [PDF]

open access: yes, 2010
In composites structures, cracking, delamination will cause changes in the measured dynamic response of structure and so on experimentally modal parameters.
J. Morlier   +4 more
core   +1 more source

Research on improved modal parameter identification method using Hilbert-Huang transform

open access: yesMeasurement + Control, 2023
In the wind tunnel test, the full-bridge aeroelastic model needs to simulate both the shape and dynamic characteristics of the real bridge, and modal parameters are key dynamic parameters.
Mingjin Zhang   +4 more
doaj   +1 more source

Characterizing the Dynamic Response of a Chassis Frame in a Heavy-Duty Dump Vehicle based on an Improved Stochastic System Identification [PDF]

open access: yes, 2015
This paper presents an online method for the assessment of the dynamic performance of the chassis frame in a heavy-duty dump truck based on a novel stochastic subspace identification (SSI) method. It introduces the use of an average correlation signal as
Chen, Zhi   +8 more
core   +1 more source

Distributed Parameter Modal Sensors.

open access: yesTRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C, 1996
This paper deals with distributed parameter sensors designed with a view to extracting a vibration mode. Compared to conventional point-type sensors such as acceleration pickups, displacement sensors etc., the distributed parameter sensors have many benefits provided that they are properly designed.
TANAKA, Nobuo   +3 more
openaire   +2 more sources

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