Applications of Space Mapping Optimization Technology to Filter Design

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Miniatura

Fecha

2001-05

Autores

Rayas-Sánchez, José E.
Bandler, John W.
Bakr, Mohamed H.
Cheng, Qingsha S.
Ismail, Mostafa A.

Título de la revista

ISSN de la revista

Título del volumen

Editor

IEEE MTT-S International Microwave Symposium

Resumen

Descripción

One of the frontiers that remains in the optimization of large engineering systems is the successful application of optimization procedures in problems where direct optimization is not practical. The recent exploitation of surrogates in conjunction with “true” models, the development of artificial neural network approaches to device modeling and the implementation of space mapping are attempts to address this issue. Our original “Space Mapping” concept, first conceived in 1993, and the subsequent Aggressive Space Mapping approach to engineering design optimization will be discussed, along with new variations. Aggressive space mapping optimization closely follows the traditional experience and intuition of designers. It has been amply demonstrated as a very natural and flexible way of systematically optimizing microwave filters. Space mapping optimization intelligently links companion “coarse” and “fine” models of different complexities, e.g., full-wave electromagnetic simulations and empirical circuit-theory based simulations, to accelerate iterative design optimization of engineering structures. New trust region space mapping optimization algorithms will be mentioned. We briefly review the Expanded Space Mapping Design Framework (ESMDF) concept in which we allow preassigned parameters, not used in optimization, to change in some components of the coarse model. Other recent developments include the introduction of the object oriented SMX system to facilitate implementation of our algorithms in conjunction with certain commercial simulators. Extensive filter design examples complement the presentation.

Palabras clave

Space Mapping, Filter Design, Expanded Space Mapping Design Framework (ESMDF), Microwave Circuits, Electromagnetic Based Design

Citación

J. W. Bandler, M. H. Bakr, Q. S. Cheng, M. A. Ismail and J. E. Rayas-Sánchez, “Applications of space mapping optimization technology to filter design,” in IEEE MTT-S Int. Microwave Symp. Workshop Notes and Short Courses, Phoenix, AZ, May 2001.