Characteristics of stick-slip oscillations in dry friction backward whirl of piecewise smooth rotor/stator rubbing systems

S Wang, L Hong, J Jiang - Mechanical Systems and Signal Processing, 2020 - Elsevier
Self-excited dry friction backward whirl, or shortly denoted as DFBW, are the most
destructive rotor/stator rubbing response. From the point of view of sliding bifurcations, this …

P-bifurcation phenomena of the non-smooth modified rayleigh-duffing oscillator under the combined action of harmonic excitation and noise perturbation

S Ma, L Wang, J Zhang, W Jia - Physica Scripta, 2023 - iopscience.iop.org
In this paper, the stochastic dynamics of a modified Rayleigh-Duffing oscillator with Coulomb
frictional damping and elastic impact is investigated under combined harmonic and noise …

On the random aspect of intermittent stick/slip motion

SG Hasnijeh, H Karimpour, M Poursina - Mechanical Systems and Signal …, 2022 - Elsevier
A stochastic interpretation of the stick/slip mechanism is proposed to model and mitigate the
complicated friction interaction that occurs between surfaces, with direct implications on the …

Nonsmooth behavior of sliding bifurcations in a general piecewise smooth rotor/stator rubbing system

S Wang, L Hong, J Jiang - International Journal of Bifurcation and …, 2021 - World Scientific
Sliding bifurcations of different types are defined to characterize the topological features of
trajectories around the switching manifolds of nonsmooth dynamical systems. In this paper …

[HTML][HTML] Analytical Determination of Stick–Slip Whirling Vibrations and Bifurcations in Rotating Machinery

D Lu, M Wang, Y Xu, X Wang, S Wang - Applied Sciences, 2024 - mdpi.com
In rotating machinery, aerodynamic forces and oil film forces often lead to cross-coupling
stiffness. This paper is aimed at studying the stick-slip whirling vibrations induced by the …

Cooperation‐Based Modeling of Sustainable Development: An Approach from Filippov's Systems

JA Amador, JM Redondo, G Olivar‐Tost, C Erazo - Complexity, 2021 - Wiley Online Library
The concept of Sustainable Development has given rise to multiple interpretations. In this
article, it is proposed that Sustainable Development should be interpreted as the capacity of …

Multiple Sliding Modes Enlarge Basins of Attraction in Switched Control Systems

C Erazo Ordonez, NL Díaz, A Jutinico - SN Computer Science, 2024 - Springer
This paper investigates the role of hidden dynamics in influencing the stability of sliding
solutions within control-switched systems. By employing cell-mapping methods, we provide …

[PDF][PDF] Computational techniques to locate crossing/sliding regions and their sets of attraction in non-smooth dynamical systems

A Colombo, N Del Buono, L Lopez… - Discrete Contin. Dyn …, 2018 - researchgate.net
Several models in the applied sciences are characterized by instantaneous changes in the
solutions or discontinuities in the vector field. Knowledge of the geometry of interaction of the …

[PDF][PDF] Threshold control strategy for a Filippov model with group defense of pests and a constant-rate release of natural enemies

B Kang, X Hou, B Liu - Mathematical Biosciences and Engineering, 2023 - aimspress.com
In this paper, we establish an integrated pest management Filippov model with group
defense of pests and a constant rate release of natural enemies. First, the dynamics of the …

[PDF][PDF] Research Article Cooperation-Based Modeling of Sustainable Development: An Approach from Filippov's Systems

JA Amador, JM Redondo, G Olivar-Tost, C Erazo - 2021 - academia.edu
Research Article Cooperation-Based Modeling of Sustainable Development: An Approach from
Filippov’s Systems Page 1 Research Article Cooperation-Based Modeling of Sustainable …