Bifurcation analysis of thermoacoustic instability in a horizontal Rijke tube

P Subramanian, S Mariappan… - … journal of spray and …, 2010 - journals.sagepub.com
A bifurcation analysis of the dynamical behavior of a horizontal Rijke tube model is
performed in this paper. The method of numerical continuation is used to obtain the …

Subcritical bifurcation in a self-excited single-degree-of-freedom system with velocity weakening–strengthening friction law: analytical results and comparison with …

A Papangelo, M Ciavarella, N Hoffmann - Nonlinear dynamics, 2017 - Springer
The dynamical behavior of a single-degree-of-freedom system that experiences friction-
induced vibrations is studied with particular interest on the possibility of the so-called hard …

The effect of the flame phase on thermoacoustic instabilities

G Ghirardo, MP Juniper, MR Bothien - Combustion and Flame, 2018 - Elsevier
This paper concerns the influence of the phase of the heat release response on
thermoacoustic systems. We focus on one pair of degenerate azimuthal acoustic modes …

Subcritical bifurcation and bistability in thermoacoustic systems

P Subramanian, RI Sujith, P Wahi - Journal of Fluid Mechanics, 2013 - cambridge.org
This paper analyses subcritical transition to instability, also known as triggering in
thermoacoustic systems, with an example of a Rijke tube model with an explicit time delay …

Investigation of two different friction models from the perspective of friction-induced vibrations

A Saha, M Wiercigroch, K Jankowski, P Wahi… - Tribology …, 2015 - Elsevier
In this paper, we investigate different friction models by examining the dynamic responses of
a single-degree-of-freedom system exhibiting friction-induced vibration. Specifically, we …

Multiple spatially localized dynamical states in friction-excited oscillator chains

A Papangelo, N Hoffmann, A Grolet, M Stender… - Journal of Sound and …, 2018 - Elsevier
Friction-induced vibrations are known to affect many engineering applications. Here, we
study a chain of friction-excited oscillators with nearest neighbor elastic coupling. The …

Velocity-free friction compensation for motion systems with actuator constraint

Y Su, C Zheng, P Mercorelli - Mechanical Systems and Signal Processing, 2021 - Elsevier
This paper concerns on the output feedback problem of fast and precise positioning for
uncertain motion systems subject to friction and actuator constraint by position measurement …

An analytical study of time-delayed control of friction-induced vibrations in a system with a dynamic friction model

A Saha, P Wahi - International Journal of Non-Linear Mechanics, 2014 - Elsevier
We investigate the control of friction-induced vibrations in a system with a dynamic friction
model which accounts for hysteresis in the friction characteristics. Linear time-delayed …

Isolation control for inertially stabilized platform based on nonlinear friction compensation

S Cong, K Deng, W Shang, D Kong, H Shen - Nonlinear Dynamics, 2016 - Springer
The nonlinear friction modeling and feed-forward compensation of the velocity-stabilized
loop in inertially stabilized platform and closed-loop control system are studied in this paper …

Computational algorithms of time series for stick-slip dynamics and time-delayed feedback control of chaos for a class of discontinuous friction systems

GS Mfoumou, GD Kenmoé, TC Kofané - Mechanical systems and signal …, 2019 - Elsevier
A modification of the Hénon method is proposed for the straightforward and simultaneous
computation of time series with “exact” stick-slip transitions and fixed step time series related …