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 …
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 …
frictional damping and elastic impact is investigated under combined harmonic and noise …
On the random aspect of intermittent stick/slip motion
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 …
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 …
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 …
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
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 …
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
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 …
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
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 …
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 …
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
Research Article Cooperation-Based Modeling of Sustainable Development: An Approach from
Filippov’s Systems Page 1 Research Article Cooperation-Based Modeling of Sustainable …
Filippov’s Systems Page 1 Research Article Cooperation-Based Modeling of Sustainable …