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Research in the area of nonlinear circuits and systems began in this group in the early 1990s. The early focus was on power electronics systems, and the coverage has now been extended to general nonlinear dynamical systems. Our main emphases are, moreover, practical applications. Presently, research topics being actively pursued by members in the Applied Nonlinear Circuits and Systems Research Group include
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•chaos and bifurcations,
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•complex network applications,
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•disease propagation dynamics,
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•power electronics:
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dc-dc converters, power factor correction, sliding-mode control application, LED power supplies, PEM fuel cells
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•time-series analysis and applications to biomedical signal processing,
In the area of power electronics, the group's main focus has been fundamental research into the analysis and synthesis of switch mode power supplies, including LED drivers, control design, converter topologies, etc. In addition to applied power electronics research, the group has a strong interest in the identification of bifurcation behavior in power electronics and its practical applications. In the field of chaos-based communications, the group's main research interest has been in the analysis of chaos-based modulations and development of noncoherent communication systems. In the area of time series analysis, surrogate data techniques have been the major focus. Finally, applications of complex networks have been actively studied for practical systems such as telephone networks and the Internet.
Special Reports:
Complex Network Application in Music: Uncovering Universal Properties in Favourable Human Perception of Music
A network perspective of stock market
The Chaos Panaceas (Keynote Address at IEEE ICIT2005, Hong Kong) [中文版]
Research in complex behavior in power electronics [中文版]
Research in small-world network application in modeling SARS transmission in Hong Kong in 2003
For details of our group, please click on the topics on top of this page.
