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Sunday, May 17, 2020 | History

2 edition of Adaptive vibration absorber. found in the catalog.

Adaptive vibration absorber.

George Apostolopoulos

Adaptive vibration absorber.

by George Apostolopoulos

  • 394 Want to read
  • 23 Currently reading

Published .
Written in English


Edition Notes

ContributionsManchester Metropolitan University. Department of Mechanical Engineering, Design and Manufacture.
ID Numbers
Open LibraryOL19841521M

an Adaptive Tuned Dynamic Vibration Absorber to the primary system (Figure 1). Fig. 1. The adaptive tuned dynamic vibration absorber clamped below the motor. Theory In some situation, one DOF (degree of freedom) or multi DOF system may encounter to the resonance (the excitation frequency nearly coincides with the natural frequency of theCited by: 5. A flex-plate tuned vibration absorber (35) including a tuned mass (43) flexibly suspended by one or more flex plates (58). In one aspect the tunable vibration absorber (TVA) (35) is adaptive in that the position of the mass is adaptively moveable with respect to its initial position, thereby effectuating a change in the TVA's resonant by:

This book offers the first comprehensive introduction to the inerter, its successful application in Formula One racing, and other state-of-the-art applications in vibration control. It presents fundamental analysis results and design methods for inerter-based vibration control systems. Every one of the many millions of cars manufactured annually worldwide uses shock absorbers, otherwise known as dampers. These form a vital part of the suspension system of any vehicle, essential for optimizing road holding, performance and safety. This, the second edition of the Shock Absorber Handbook (first edition published in ), remains the only English language book devoted to the.

Developing a real time controlled adaptive MRE-based tunable vibration absorber system for a linear cryogenic cooler A semi-active vibration system using a tuned vibration absorber (TVA) has shown to be effective for suppressing the cooler vibrations. However, if the cooler operating frequency changes, the off-tuned TVA loses its by: An innovative semiactive device, named the spindle adaptive tuned vibration absorber (SATVA), is proposed herein, having the potential of attenuating unfavorable vibrations of the host systems. The proposed device includes a preferably spindle‐shaped body of mass, whose mass moment of inertia can be altered simply by moving a pair of rotating Author: Arman Shakib, Amir K. Ghorbani‐Tanha.


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Adaptive vibration absorber by George Apostolopoulos Download PDF EPUB FB2

Ioan Doré Landau has been Emeritus Research Director at CNRS since September and continues to collaborate with LAG INPG. His research interests encompass theory and applications in system identification, adaptive control, robust digital control and nonlinear systems.

He Brand: Ioan Doré Landau. The dual mass absorber consists of two rods supporting two equal masses on either side of a centre section, which is attached to the target structure.

One rod is smooth and the other threaded, with a stepper motor used to rotate the threaded rods to move the masses in or by: 3.

Adaptive and Robust Active Vibration Control will interest practising engineers and help them to acquire new concepts and techniques with good practical validation. It can be used as the basis for a course for graduate students in mechanical, mechatronics, industrial electronics, aerospace and naval : Springer International Publishing.

is a platform for academics to share research papers. design of vibration absorber using two novel designs for the adaptive mechanism. The first design incorporates the use of an enclosed air volume to provide the variable stiffness component in the absorber.

By adjusting the volume of compressible air within the absorber, theFile Size: 1MB. Adaptive tuned vibration absorbers (ATVAs) featuring magnetorheological elastomers (MREs) have attracted considerable research interests because of the advantages of fast response, controllable frequency, and broad working range.

Generally, the ATVA uses single layer ofCited by: adaptive tunable vibration absorber An aim of the work presented here is to develop a practical absorber that facilitates vibration attenuation at multiple frequencies.

A secondary aim is to investigate the possibility of using multiple, closely spaced resonances to expand the effective bandwidth of. Wang, K. W., and Lai, J. S., a, “Control of an Adaptive Stiffness Dynamic Absorber for Transient Vibration Suppression,” Proceedings of the Second Conference on Recent Advances in Active Control of Sound and Vibration, pp.

–Cited by: Abstract This brief presents a novel framework to realize the semiactive inerter, and proposes a novel semiactive-inerter-based adaptive tuned vibration absorber (SIATVA). The proposed semiactive. cantilever mass mechanism which is call adaptive vibration absorber that is different than the tune vibration absorber.

Design incorporates the use of two concentrated masses cantilevered from two rods. The adaptive solution is achieved by moving the File Size: 2MB. The vibration suppression is accomplished by the implementation of multiple mass–spring absorbers in order to minimize the plate deflection at the natural frequencies of the plate without absorbers.

Adaptive and Robust Active Vibration Control: Methodology and Tests (Advances in Industrial Control) - Kindle edition by Landau, Ioan Doré, Airimițoaie, Tudor-Bogdan, Castellanos-Silva, Abraham, Constantinescu, Aurelian.

Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading Adaptive and Robust Active Price: $ absorber configurations: shear, longitudinal, and squeeze modes and found the squeeze mode device exhibited the largest frequency shift of %.

The objective of this study is to investigate the application of MREs to adaptive tuned vibration absorber. The vibration mode shapes have been analyzed to ensure that the ATVA works by shear mode.

A prototype of variable-damping dynamic absorber was constructed and its performance was verified with a three-story structural model. The special ability of the present dynamic absorber is to reduce the vibration amplitude at several frequencies by a single dynamic by:   This chapter presents a novel framework to realize the semi-active inerter, and proposes a novel semi-active-inerter-based adaptive tuned vibration absorber (SIATVA).

The proposed semi-active inerter can be realized by replacing the fixed-inertia flywheel in the existing flywheel-based inerters with a controllable-inertia flywheel (CIF).Author: Michael Z.

Chen, Yinlong Hu. This paper proposes an innovative solution to suppress torsional vibrations in any rotating machinery with a variable frequency of excitation, or a variable natural frequency.

The adaptive torsional tuned vibration absorber (ATTVA) was designed using an integrated electromagnetic circuit, which can adapt its natural frequency to match the varying natural frequency of any Multi Degree of Author: Taher Abu Seer, Nader Vahdati, Oleg Shiryayev.

Adaptive Tuned Vibration Absorbers: Design Prin ciples, Concepts and Physical Implementation. 3 structure prior to the addition of the TMD) is commonly assumed to be negligible relative to that introduced by the TMD.

Suppo se the TMD is targeted at the sthmode of the original host structure. The dynamic vibration absorber is a tuned spring-mass system, which reduces or eliminates the vibration of a harmonically excited system. The working principle of the dynamic vibration absorber, as shown in Fig.

A, is added to the mass spring system on the vibration objects. An adaptive piezoelectric vibration absorber enhanced by a negative capacitance applied to a shell structure J A B Gripp1, L C S Góes1, O Heuss2 and F Scinocca1 1Instituto Tecnológico de Aeronáutica, Department of Mechanical Engineering, Praça Mal.

Eduardo Go Cited by: 7. Thus the adaptive vibration absorber is able to reduce vibrations from idle up to maximum speed.

The paper describes the multi-body system with flexible bodies, the linearization of the nonlinear equations of motion and the results of a parameter : Delf Sachau, Jonas Hanselka. 3. Design of the Adaptive Piezoelectric Absorber The considerations are applied to design an adaptive vibration absorber with integrated piezoelectric transducers.

A well-known design concept for vibration absorbers consists of a thin beam with a tip mass, which is used in this paper, as well. To activate the absorber, two piezoelectricCited by: 9.The design of the active tuned vibration absorber was inspired by a paper by Konstanzer et al.

(). Figure shows a schematic view of the active tuned vibration absorbers mounted beneath the compressor. The vibration absorbers consist of two discrete masses attached to the ends of two cantilevered beams and are tuned to 50 Hz, which is. Category People & Blogs; Song Theme From Schindler's List (Reprise) from Schindler's List - John Williams () - Universal Pictures Film Music.