Karin Mora

Karin Mora
University of Leipzig

Doctor of Philosophy

About

14
Publications
2,342
Reads
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39
Citations
Additional affiliations
May 2015 - March 2019
Universität Paderborn
Position
  • PostDoc Position
May 2014 - May 2015
Technion - Israel Institute of Technology
Position
  • PostDoc Position
Education
January 2010 - April 2014
University of Bath
Field of study
  • Mathematics
September 2008 - December 2009
University of Bath
Field of study
  • Mathematics
September 2004 - September 2008
University of Reading
Field of study
  • Mathematics

Publications

Publications (14)
Article
Full-text available
We analyse the novel dynamics arising in a nonlinear rotor dynamic system by investigating the discontinuity-induced bifurcations corresponding to collisions with the rotor housing (touchdown bearing surface interactions). The simplified Föppl/Jeffcott rotor with clearance and mass unbalance is modelled by a two degree of freedom impact–friction os...
Article
Full-text available
The dynamics associated with bouncing-type partial contact cycles are considered for a 2 degree-of-freedom unbalanced rotor in the rigid-stator limit. Specifically, analytical explanation is provided for a previously proposed criterion for the onset upon increasing the rotor speed Ω of single-bounce-per-period periodic motion, namely internal reson...
Article
Full-text available
Cardiorespiratory fitness was found to influence age-related changes of resting state brain network organization. However, the influence on dedifferentiated involvement of wider and more unspecialized brain regions during task completion is barely understood. We analyzed EEG data recorded during rest and different tasks (sensory, motor, cognitive)...
Preprint
Full-text available
We introduce ReservoirComputing.jl, an open source Julia library for reservoir computing models. The software offers a great number of algorithms presented in the literature, and allows to expand on them with both internal and external tools in a simple way. The implementation is highly modular, fast and comes with a comprehensive documentation, wh...
Article
The application of machine learning techniques provides a data-driven approach for a deeper understanding of the development and expressions of expertise. In extension to the common procedure of comparing expertś and noviceś performances in expertise-domain-related tasks we applied conventional classification algorithms. We distinguished between ta...
Article
Classification of physiological data provides a data driven approach to study central aspects of motor control, which changes with age. To implement such results in real-life applications for elderly it is important to identify age-specific characteristics of movement classification. We compared task-classification based on EEG derived activity pat...
Conference Paper
Faraday Predictive Ltd want to understand the relative magnitude of distortions to motor current arising from changes in motor load, eccentricity and rotor condition. --- https://dspace.uevora.pt/rdpc/handle/10174/29180 --- https://conferences.leeds.ac.uk/lesgi/
Article
Full-text available
It is well-established that expertise developed through continuous and deliberate practice has the potential to delay age-related decline in fine motor skills. However, less is known about the underlying mechanisms, that is, whether expertise leads to a higher performance level changing the initial status from which age-related decline starts or if...
Article
Age-related deterioration of force control is evident on behavioral and neural levels. Extensive and deliberate practice can decrease these changes. This study focused on detecting electrophysiological correlates of age and expertise-related differences in force control. We examined young (20-27years) and late middle-aged (57-67 years) novices as w...
Conference Paper
Full-text available
A new discontinuity-induced bifurcation, referred to as nonsmooth Hopftype bifurcation, observed in a nonautonomous impacting hybrid systems in ℝ⁴ is presented. The system studied models the bouncing motion, repeated instantaneous impacts with friction, in rotating machines with magnetic bearing support. At the nonsmoothHopf-type bifurcation point...
Article
The dynamic motion of a parametrically excited microbeam-string affected by nonlinear damping is considered asymptotically and numerically. It is assumed that the geometrically nonlinear beam-string, subject to only modulated alternating current voltage, is closer to one of the electrodes, thus resulting in an asymmetric dual gap configuration. A c...
Thesis
Full-text available
Download from: https://researchportal.bath.ac.uk/en/studentTheses/non-smooth-dynamical-systems-and-applications The purpose of this work is to illuminate some of the non-smooth phenomena found in piecewise-smooth continuous and discrete dynamical systems, which do not occur in smooth systems. We will explain how such non-smooth phenomena arise in...
Conference Paper
Full-text available
In this report, several methods are investigated to rapidly compute the light intensity function, either in the far field or on a finite-distance screen, of light emanating from a light fixture with a given shape. Different shapes are considered, namely polygonal and (piecewise) smooth. In the first case, analytic methods are sought to circumvent t...
Conference Paper
Understanding the transport of hazardous airborne materials within buildings and other enclosed spaces is important for predicting and mitigating the impacts of deliberate terrorist releases of chemical and biological materials. Multizone models provide an approach to modelling the contamination levels in enclosed spaces but in certain cases they c...

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