Adaptive Complex Modified Hybrid Function Projective
Synchronization of Different Dimensional Complex Chaos with
Uncertain Complex Parameters
Jian Liu
School of Mathematical Sciences,
University of Ji'nan, Jinan 250022,
Shandong, People's Republic of China
Shutang Liu
School of Control Science and Engineering,
Shandong University, Jinan 250061
Shandong, People's Republic of China
J. C. Sprott
Department of Physics, University of Wisconsin-Madison,
Madison, WI 53706, USA
Received: 14 February 2015 / Accepted: 5 September 2015 /
Published online: 15 September 2015
ABSTRACT
This paper focuses on the adaptive modified hybrid function
projective synchronization with complex function transformation
matrix (CMHFPS) for different dimensional chaotic (hyperchaotic)
systems with complex variables and unknown complex parameters.
The chaotic systems are considerably different from those in the
existing closely related literature. Moreover, the
transformation matrix in this type of chaos synchronization is
not a square matrix, and its elements are complex functions, In
particular, by constructing appropriate Lyapunov functions
dependent on complex variables, the adaptive controllers are
designed to synchronize different dimensional complex chaos
(hyperchaos) with complex parameters in the sense of CMHFPS, and
the complex update laws for estimating unknown complex
parameters of complex chaotic systems are also given. Finally,
two examples are presented to illustrate the effectiveness and
feasibility of the theoretical results.