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Plenary Lecture

Some Aspects of Minimal-Time Electronic Networks Design Methodology


Professor Alexander Zemliak
Department of Physics and Mathematics
Puebla Autonomous University
Av. San Claudio y Rio Verde, Puebla, 72570
MEXICO


Abstract: The size and the complexity of the systems grow constantly. One of the main problems of a large system design is the excessive computer time that is necessary to achieve the final point of the design process. There are some powerful methods that reduce necessary time for network analysis. The progress in optimization technique favors the development of fast algorithms for electronic networks design too. Nevertheless, the time of a large-scale circuit analysis and the time of any optimization procedure increase when the network scale increases. Meanwhile, it is possible to reformulate the total network design problem to generalize design process. The general design methodology was formulated on basis of the optimal control theory approach that includes a special control vector. The problem of time-optimal network design strategy is formulated as the typical problem for some functional minimization of the control theory. The design process in this case is formulated as the controllable dynamic system. The behavior of the Lyapunov function of this dynamic system and the properties of its time derivative have sufficient information to select more perspective design strategies from infinite set of the different design strategies. The special function can be proposed to predict a structure of the time optimal design strategy. This function is a key to construct the optimal behavior of the control vector. The solution of this problem gives possibility to construct the minimal-time system design algorithm.

Brief Biography of the Speaker:
Alexander M. Zemliak received the M.S. and Ph.D. degrees from the Kiev Polytechnic Institute (KPI), Kiev, Ukraine, in 1972 and 1976, respectively, all in electronic engineering.
From 1972 to 1976, he was a Researcher with the Department of Radioelectronic Systems, KPI. From 1976 to 1994, he worked as a Professor at KPI. From 1994 he workes as a Professor at Puebla Autonomous University, Department of Physics and Mathematics, Puebla, Mexico.
He is a Senior Member of IEEE and Member of New York Academy of Sciences.
He was chairman of some sections of international conferences on ISCAS IEEE Thailand, IEICE Tokyo, Japan and others. He was the General Chairman of the WSEAS International Multi Conference: 2002, 2004, 2005, Cancun, Mexico.
He is the Editor in Chief of WSEAS Transactions on Systems and member of the Editorial Board of the WSEAS Transactions on Circuits and Systems and WSEAS Transactions on Electronics.
He was invited as Plenary Lecturer for 16 International Conferences.
His research interests are in computer-aided RF and microwave circuit analysis, optimal design methodologies, computational electromagnetics, numerical techniques in the simulation, analysis and optimization of microwave devices. He has authored of 6 textbooks for students and over 200 papers in refereed journals and conference proceedings on topic related to RF and microwave analysis, optimization and design methodology.

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