Modelling and experimental validation of 1-degree-of-freedom impacting oscillator

K Witkowski, G Kudra, G Wasilewski… - Proceedings of the …, 2019 - journals.sagepub.com
In this article, a mechanical 1-degree-of-freedom oscillator with harmonic forcing and
impacts was analysed both numerically and experimentally. A special attention was paid to …

[HTML][HTML] Towards a 3D Printed Strain Sensor Employing Additive Manufacturing Technology for the Marine Industry

T Kouvatsos, DN Pagonis, I Iakovidis, G Kaltsas - Applied Sciences, 2024 - mdpi.com
This study focuses on the successful fabrication of a cost-effective strain sensor using
exclusively additive manufacturing Fused Deposition Modeling (FDM) technology, enabling …

Analytical determination for degenerate grazing bifurcation points in the single-degree-of-freedom impact oscillator

S Yin, Y Shen, G Wen, H Xu - Nonlinear Dynamics, 2017 - Springer
Co-dimension-one grazing bifurcations of 1/n impact periodic motions are often
accompanied by saddle-node bifurcations or period-doubling bifurcations. The presence of …

Higher order zero time discontinuity mapping for analysis of degenerate grazing bifurcations of impacting oscillators

S Yin, G Wen, H Xu, X Wu - Journal of Sound and Vibration, 2018 - Elsevier
The discontinuity mapping technique provides quite a good way to study the near-grazing
dynamics in the impacting oscillators. However, disagreements between the results …

Fabrication of elastic tensile fuses based on the curing ratio and temperature for an emergency alarm system

J Sung, K Baek, H So - Sensors and Actuators A: Physical, 2024 - Elsevier
This study presents a method for fabricating elastic tensile fuses using polydimethylsiloxane
(PDMS). The fuses are created by exploiting the variations in the physical properties of …

[HTML][HTML] A new discontinuous impact model with finite collision duration

K Witkowski, G Kudra, J Awrejcewicz - Mechanical Systems and Signal …, 2022 - Elsevier
In the work it is proposed a new discontinuous impact model based on the restitution
coefficient and the finite duration of the collision, which are functions of the velocity before …

Feedback control of grazing-induced chaos in the single-degree-of-freedom impact oscillator

Y Shen, S Yin, G Wen, H Xu - Journal of …, 2018 - asmedigitalcollection.asme.org
Based on the special dynamical property of continuous transition at certain degenerate
grazing points in the single-degree-of-freedom impact oscillator, the control problem of the …

Discrete-in-time feedback control of near-grazing dynamics in the two-degree-of-freedom vibro-impact system with a clearance

H Xu, S Yin, G Wen, S Zhang, Z Lv - Nonlinear Dynamics, 2017 - Springer
Grazing bifurcation might bring dramatic and abrupt qualitative changes of system
responses in non-smooth systems. The control problem of near-grazing dynamics in a two …

Experimental investigation of a two-degree-of-freedom vibro-impact system

G Wen, H Xu, L Xiao, X Xie, Z Chen… - International Journal of …, 2012 - World Scientific
Vibro-impact systems with intermittent contacts are strongly nonlinear. The discontinuity of
impact can give rise to rich nonlinear dynamic behaviors and bring forth challenges in the …

Limit-switch sensor functionality based on discontinuity-induced nonlinearities

B Wilcox, H Dankowicz - 2011 - asmedigitalcollection.asme.org
Limit-switch sensors are input-output devices that switch operating state in reaction to the
crossing of a threshold value of their input. These are used to monitor and control critical …