Partner: Jan Biczyk

Adaptronica Sp. z o. o. (PL)

Recent publications
1.Mróz A., Holnicki-Szulc J., Biczyk J., Prestress Accumulation-Release Technique for Damping of Impact-Born Vibrations: Application to Self-Deployable Structures, MATHEMATICAL PROBLEMS IN ENGINEERING, ISSN: 1024-123X, DOI: 10.1155/2015/720236, Vol.2015, pp.720236-1-9, 2015
Abstract:

A numerical study is presented, which tailors so-called prestress accumulation-release (PAR) strategy to mitigate free vibrations of frame structures. First, the concept of proposed semiactive technique is outlined and possible applications are specified. In the second part of the work a parametric study is discussed, which illustrates the potential of the method for mitigation of free vibrations induced by impact or other initial load scenarios. Special attention is given to the energy balance including all relevant contributions to the total energy of the considered dissipative system. The proposed technique shows a very high potential in mitigation of free vibrations, exceeding 99% of the reference amplitude after 5 cycles of vibration.

Affiliations:
Mróz A.-IPPT PAN
Holnicki-Szulc J.-IPPT PAN
Biczyk J.-Adaptronica Sp. z o. o. (PL)
2.Suwała G., Biczyk J., Jankowski Ł., Nonparametric identification of added masses in frequency domain: a numerical study, IPPT REPORTS, ISSN: 2299-3657, Vol.4f, pp.1-6, 2013
Abstract:

This paper presents a theoretical derivation and reports on a numerical verification of a model-free method for identification of added masses in truss structures. No parametric numerical model of the monitored structure is required, so that there is no need for initial model updating and fine tuning. This is a continuation and an improvement of a previous research that resulted in a time-domain identification method, which was tested to be accurate but very time-consuming. A general methodology is briefly introduced, including the inverse problem, and a numerical verification is reported. The aim of the numerical study is to test the accuracy of the proposed method and its sensitivity to various parameters (such as simulated measurement noise and decay rate of the exponential FFT window) in a numerically controlled environment. The verification uses a finite element model of the same real structure that was tested with the time-domain version of the approach. A natural further step is a lab verification based on experimental data.

Affiliations:
Suwała G.-IPPT PAN
Biczyk J.-Adaptronica Sp. z o. o. (PL)
Jankowski Ł.-IPPT PAN

List of chapters in recent monographs
1.
365
Wiszowaty R., Biczyk J., Graczykowski C., Mikułowski G., New Trends in Smart Technologies, rozdział: Method of impact energy dissipation by the use of the pneumatic impact absorber with a piezo-valve, Fraunhofer Verlag, pp.223-230, 2013

Conference papers
1.Mróz A., Holnicki-Szulc J., Biczyk J., Prestress Acumulation-Release for Damping of Impact-Born Vibrations. Numerical Analysis of Simple Frame Structures, 6WCSCM, 6th World Conference on Structural Control and Monitoring, 2014-07-15/07-17, Barcelona (ES), pp.1868-1876, 2014
Abstract:

In this paper a numerical study is presented, witch tailors so-called Prestress Accumulation-Relase (PAR) Strategy to mitigate free vibrations of frame structures. First, the concept of proposed semi-active technique is outlined and possible applications are specified. In the second part of the work a parametric study is discussed, which illustrates the potential of the method for mitigation of free vibrations induced by impact or other initial load scenarios. Special attention is given to the energy balance including all relevant contributions to the total energy of the considered dissipative system. The proposed technique shows a very high potential in mitigation of free vibrations, exceeding 99% of the reference amplitude after 5 cycles of vibration.

Affiliations:
Mróz A.-IPPT PAN
Holnicki-Szulc J.-IPPT PAN
Biczyk J.-Adaptronica Sp. z o. o. (PL)
2.Wiszowaty R., Biczyk J., Graczykowski C., Mikułowski G., Method of impact energy dissipation by the use of the pneumatic impact absorber with a piezo-valve, SMART2011, 5th ECCOMAS Thematic Conference on Smart Structures and Materials, 2011-07-06/07-08, Saarbrücken (DE), pp.640-647, 2011
Keywords:

Adaptive structures, Shock absorption, Impact energy absorption, Piezoelectric valve

Affiliations:
Wiszowaty R.-IPPT PAN
Biczyk J.-Adaptronica Sp. z o. o. (PL)
Graczykowski C.-IPPT PAN
Mikułowski G.-IPPT PAN

Conference abstracts
1.Wiszowaty R., Mikułowski G., Sekuła K., Biczyk J., Application of Piezoelectric Actuators for the Gas Valve Opening Control, SolMech 2014, 39th Solid Mechanics Conference, 2014-09-01/09-05, Zakopane (PL), pp.111-112, 2014

Patents
Numer/data zgłoszenia patentowego
Ogłoszenie o zgłoszeniu patentowym
Twórca / twórcy
Tytuł
Kraj i Nazwa uprawnionego z patentu
Numer patentu
Ogłoszenie o udzieleniu patentu
pdf
414374
2015-10-14
BUP 9/2017
2017-04-24
Mróz A., Biczyk J., Holnicki-Szulc J.
Sterowalne sprzęgło oraz jego zastosowanie
PL, Instytut Podstawowych Problemów Techniki PAN, Adaptronica Sp. z o.o.
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407763
2014-04-01
BUP 21/2015
2015-10-12
Holnicki-Szulc J., Mróz A., Biczyk J.
Półaktywny węzeł zwłaszcza do tłumienia drgań.
PL, Instytut Podstawowych Problemów Techniki PAN, Adaptronica sp z o.o.
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