218 citations · 646 across the 23 of their papers we have counts for
23 papers
Time resolved eye diagrams to exploit hidden high energy branches in a nonlinear wideband vibration energy harvester
Kankana Paul, Saibal Roy, Andreas Amann
A wideband vibration energy harvester with multiple nonlinear forces is investigated. The nonlinearities are due to repulsive magnets and hardening springs, which gives rise to mul…
Dynamics of a time-delayed relay system
Lucas Illing, Pierce Ryan, Andreas Amann
We study the dynamics of a piecewise-linear second-order delay differential equation that is representative of feedback systems with relays (switches) that actuate after a fixed de…
Loxodromes in Open Multi-Section Lasers
Christopher P. J. O'Connor, Sebastian Wieczorek, Andreas Amann
We introduce a formalism to efficiently calculate lasing modes and optical power flow in multi-section lasers with open boundaries. The formalism is underpinned by a projection of…
Transitional cluster dynamics in a model for delay-coupled chemical oscillators
Andrew Keane, Alannah Neff, Karen Blaha +2
Cluster synchronization is a fundamental phenomenon in systems of coupled oscillators. Here, we investigate clustering patterns that emerge in a unidirectional ring of four delay-c…
Border-collision bifurcations in a driven time-delay system
Pierce Ryan, Andrew Keane, Andreas Amann
We show that a simple piecewise-linear system with time delay and periodic forcing gives rise to a rich bifurcation structure of torus bifurcations and Arnold tongues, as well as m…
The Devil is in the Details: Spectrum and Eigenvalue Distribution of the Discrete Preisach Memory Model
Tamas Kalmar-Nagy, Andreas Amann, Daniel Kim +1
We consider the adjacency matrix associated with a graph that describes transitions between states of the discrete Preisach memory model. This matrix can also be associated…