Combined analytical and numerical approaches in Dynamic Stability analyses of engineering systems

J Náprstek - Journal of Sound and Vibration, 2015 - Elsevier
Dynamic Stability is a widely studied area that has attracted many researchers from various
disciplines. Although Dynamic Stability is usually associated with mechanics, theoretical …

A modified method of vibration surveillance by using the optimal control at energy performance index

KJ Kaliński, MA Galewski - Mechanical Systems and Signal Processing, 2015 - Elsevier
A method of vibration surveillance by using the optimal control at energy performance index
has been creatively modified. The suggested original modification depends on …

Modelling and simulation of an active damped structure

P Šuránek, M Mahdal, J Tůma - Proceedings of the 2014 15th …, 2014 - ieeexplore.ieee.org
Paper describes the creation of mathematical model for active damped mechanical
structure. The model is consisting of differential equations for structure's motion and an …

Simulation of the parametric excitation of the cantilever beam vibrations

J Tůma, P Šuránek, M Mahdal… - Proceedings of the 2014 …, 2014 - ieeexplore.ieee.org
The effect of parametric vibration damping is theoretically well described and the first
experiments are published. The paper focuses on the design and verification of the system …

Simulation study of using a cascade of all-pass filters in active vibration control of mechanical structures

J Tůma, P Šuránek, J Los… - 2017 18th International …, 2017 - ieeexplore.ieee.org
The problem of active vibration control of weakly damped mechanical structures is
potentially unstable modes of vibrations due to the positive feedback for some vibration …

[PDF][PDF] Vibration damping of the cantilever beam with the use of the parametric excitation

J Tůma, P Šuránek, M Mahdal - … of the 21st International Congress on …, 2014 - homel.vsb.cz
▪ Motivation▪ Parametric resonances▪ Damped Mathieu equation▪ Lumped parameter model
of the cantilever beam▪ Matlab-Simulink model▪ Location of the patch piezoactuator at the …

Closed Circuit Root Locus Calculation Based on A Given Open Circuit Transfer Function in A MATLAB Environment

J Tůma, R Štramberský, J Czebe - 2023 24th International …, 2023 - ieeexplore.ieee.org
For the adjustment of control circuits, it is crucial to verify their stability and the extent of
changes in some parameters of the controller, such as proportional gain. The calculation …

[PDF][PDF] Modelování vlivu parametrického buzení na kmitání vetknutého nosníku

J TŮMA, P Ferfecki, P ŠURÁNEK, M MAHDAL - Automatizace, regulace a … - homel.vsb.cz
Účinek parametrického tlumení vibrací vetknutého nosníku je teoreticky dobře popsán a
první experimenty jsou publikovány. Tento referát se zaměřuje na modelování a simulaci …

Laboratory model for active vibration control

P Šuránek, M Mahdal, J Tůma - Proceedings of the 2015 16th …, 2015 - ieeexplore.ieee.org
This paper describes a laboratory model for experiments with an active vibration control.
This test rig is consisting of steel cantilever beam connected to aluminium frame in vertical …