Jan Sieber - Personal Homepage
Member of the Department of Mathematics.
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Email: 
Seminars
Teaching material
Other activities
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| Office address: |
Department of Mathematics,
Lion Gate Building,
Lion Terrace,
University of Portsmouth,
Portsmouth PO1 3HF, U.K.
Tel. (off.): (+44) (23) 92 84 6359
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| short Curriculum Vitae
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Of general interest: Lectures by Michael
Thompson on Nonlinear Dynamics can be found on www.culive.org.
Continuation for experiments
- Introductory Physical Review Focus article by Mike Wofsey covering the first test on real pendulum experiment (also featuring small videos).
- The basic mathematics behind it explained for a simple mechanical experiment (with animation but only based on numerical simulations).
- The method has been used in a more advanced experiment with an energy harvesting mechanical oscillator recently by David Barton.
Dynamics of delay-differential equations
Introductory poster (pdf) on delay effects in
balancing
Links concerning DDEs:
- Numerical continuation software for delay-differential
equations: DDE-Biftool
(Leuven) or, alternatively, Robert Szalai's knut
(formerly PDDE-CONT)
- Colleagues: Prof. Bernd Krauskopf
Dynamics of piecewise smooth systems
Links:
Nonlinear dynamics in semiconductor lasers (subject of my PhD thesis).
Links concerning laser dynamics in Berlin:
Numerics of differential-algebraic equations (subject of my master thesis)
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Click on the title to see abstract and a link to the full-text
document (some are preprint versions)
- J. Sieber, B. Krauskopf, D. Wagg, S. Neild, A. Gonzalez-Buelga: Control-based continuation of unstable periodic orbits.
ASME Journal of Computational and Nonlinear Dynamics (accepted)
- J. Sieber, P. Kowalczyk: Small-scale instabilities in dynamical systems with sliding. Physica D 239 pp.44-57, 2010. original article
- J. Sieber, A. Gonzalez-Buelga, S.A. Neild, D.J. Wagg, B. Krauskopf: Experimental continuation of periodic orbits through a fold. Phys. Rev. Lett. 100, 244101, 2008
original article.
Paper covered by Physical Review Focus article by M. Wofsey with videos.
- J. Sieber, D.J. Wagg, S. Adhikari: On the interaction of exponential non-viscous damping with symmetric nonlinearities. Journal of Sound and Vibrations 314(1-2) pp. 1-11, 2008
original article.
- J. Sieber, P. Kowalczyk, S.J. Hogan, M. di Bernardo: Dynamics of symmetric dynamical systems with delayed switching. Special Issue of Journal of Vibration and Control on Dynamics and Control of Systems with Time-Delay (accepted).
- J. Sieber, B. Krauskopf: Tracking oscillations
in the presence of delay-induced essential instability. Journal of Sound and
Vibrations 315(3) pp.781-795, 2008.
original article.
- J. Sieber, Bernd Krauskopf: Control
based bifurcation analysis for experiments.
Nonlinear Dynamics 51(3) pp. 365-377, 2008
original article
(preprint accompanied by animation)
- J. Sieber: Dynamics of
delayed relay systems. Nonlinearity 19(11)
pp. 2489-2527, 2006.
original article
- J. Sieber, B. Krauskopf: Control-based
continuation of periodic orbits with a time-delayed
difference scheme , Int. Journal of
Bifurcation and Chaos 17(8), pp. 2579 - 2593, 2007. original article
(updated
preprint version with color figures)
- M.I. Wallace, J. Sieber, S.A. Neild, D.J. Wagg
and B. Krauskopf: Stability
analysis of real-time dynamic substructuring using
delay differential equation models, International
Journal of Earthquake Engineering and Structural
Dynamics 34(15), pp. 1817-1832, 2005.
original article
- J. Sieber, B. Krauskopf: Extending
the permissible control loop latency for the
controlled inverted pendulum
. Dynamical Systems: An international Journal 20(2),
pp. 189-199, 2005.
original article
- J. Sieber, B. Krauskopf: Complex
balancing motions of an inverted pendulum subject to
delayed feedback control. Physica D 197 (3-4),
pp. 332-345, 2004.
original article
- J. Sieber, B. Krauskopf:
Bifurcation analysis of an inverted pendulum with
delayed feedback control near a triple-zero
eigenvalue. Nonlinearity 17 (1), pp. 85-104, 2004.
original article
- J. Sieber, M. Radziunas, K.R. Schneider: Dynamics
of multisection lasers. Mathematical Modelling and
Analysis 9 (1), pp. 51-66, 2004.
original article
- S. Bauer, O.Brox, J. Kreissl, B. Sartorius, M. Radziunas,
J. Sieber, H.-J. Wünsche and F. Henneberger: Nonlinear
dynamics of semiconductor lasers with active optical
feedback. Phys. Rev. E 69, 016206 (2004).
original article
- O. Brox, S. Bauer, M. Radziunas, M. Wolfrum, J. Sieber,
J. Kreissl, B. Sartorius, H.-J. Wünsche: High-Frequency
Pulsations in DFB-Lasers with Amplified
Feedback. IEEE J. of Quant. El. 39 (11),
pp. 1381-1387 (2003).
original article
- J. Sieber: Numerical
bifurcation analysis for multi-section semiconductor
lasers. SIAM J. of Appl. Dyn. Sys. vol. 1(2), pp.
248-270, 2002.
original article
- B. Krauskopf, K.Schneider, J. Sieber, S. Wieczorek,
M. Wolfrum: Excitability
and self-pulsations near homoclinic bifurcations in
semiconductor laser systems. Opt. Comm. 215,
pp. 367-379, 2002
original article
- U. Bandelow, M. Wolfrum, J. Sieber, M. Radziunas:
Spatio-Temporal Dynamics of Multisection DFB-lasers
with Gain Dispersion. IEEE J. of Quant El.
vol. 37 (2), pp. 270-278, 2001. original
article
- V.Z. Tronciu, H.-J. Wünsche, J. Sieber,
K. Schneider, F. Henneberger:
Dynamics of single mode semiconductor lasers with
passive dispersive reflectors. Opt. Comm. 182,
pp. 221-228, 2000.
original article
PhD thesis: appeared as WIAS
report
master thesis: appeared as a
preprint at the HU Berlin
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For preprints or copies of the publications please click on its title and follow the link
at the end of the abstract to download the document. See also the
preprint page
of WIAS Berlin and the
BCANM
preprint page.
Book chapters
- J.M.T. Thompson, J. Sieber: Predicting climate tipping points. in Geo-Eingeering climate Change: Environmental Necessity or Pandora's Box?, eds. B. Launder and J.M.T. Thompson, Cambridge University Press, pp. 50-83, 2010. (in press, 1yr embargo by publisher)
Conference proceedings
- P. Kowalczyk, J. Sieber: Robustness of grazing-sliding bifurcations in hybrid systems. CHAOS 09 Second IFAC meeting related to analysis
and control of chaotic systems, London, 2009
- J. Sieber, B. Krauskopf, D. Wagg, S. Neild, A. Gonzalez-Buelga: Control-based continuation of unstable periodic orbits.
ASME 2009 International Design Engineering Technical Conferences and
Computers and Information in Engineering Conference 7th
International Conference on Multibody Systems, Nonlinear Dynamics,
and Control (MSNDC), 2009
- J. Sieber, B. Krauskopf: Using feedback control and
Newton iterations to track dynamically unstable phenomena in
experiments . CHAOS 09 Second IFAC meeting related to analysis
and control of chaotic systems, London, 2009
- J. Sieber, B. Krauskopf: Tracking nonlinear
oscillations with time-delayed feedback . Modern Practice
in Stress and Vibration Analysis Bath, 2006
- J. Sieber, P. Kowalczyk: Event collisions in
systems with delayed switches . Proceedings of the 6th
IFAC Workshop on Time-Delay Systems, L'Aquila, Italy, 2006
- M.I. Wallace, J. Sieber, S.A. Neild, D.J. Wagg,
B. Krauskopf: Delay
differential equation models for real-time dynamic
substructuring. Proceedings of the IDETC/CIE2005,
2005 ASME International Design Engineering Technical
Conferences.
- J. Sieber: Dynamics of
delayed relay control systems with large delays
. IFAC Proceedings of 5th IFAC Workshop on
Time-Delay Systems, 2004.
- J. Sieber, L. Recke, K.R. Schneider: Dynamics of
Multisection Semiconductor Lasers. Journal of
Mathematical Sciences 124 (5), pp. 5298-5309, 2004.
- J. Sieber, B. Krauskopf: Dynamics
of an inverted pendulum subject to delayed
control. Proceedings of the Equadiff,
International Congress on Differential Equations, Hasselt,
Belgium, 2003.
- S. Bauer, O. Brox, J. Sieber, M. Wolfrum: Novel
concept for a tunable optical microwave
source. Proceedings of the OFC, Optical Society of
America, 2002.
Submitted
Miscellaneous
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