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6 results on '"Atousa Assadi-Haghi"'

1. Optimization of microwave devices combining topology gradient and genetic algorithm

Author

Christelle Boichon, Serge Verdeyme, Dominique Baillargeat, Luc Lapierre, Jérôme Puech, Atousa Assadi-Haghi, Michel Aubourg, and Stephane Bila

Subjects
Computer science, 020206 networking & telecommunications, Topology (electrical circuits), 02 engineering and technology, Topology, 01 natural sciences, Computer Graphics and Computer-Aided Design, Computer Science Applications, 0103 physical sciences, Genetic algorithm, 0202 electrical engineering, electronic engineering, information engineering, Electrical and Electronic Engineering, 010306 general physics, Microwave
Published
2008
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2. Gradient-based optimization of packaged integrated microwave circuits exploiting reduced electromagnetic models

Author

Serge Verdeyme, Atousa Assadi-Haghi, Dominique Baillargeat, Michel Aubourg, and Stephane Bila

Subjects
Model order reduction, Engineering, business.industry, Electrical engineering, Condensed Matter Physics, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, Gradient based algorithm, Electronic engineering, Electromagnetic model, Electromagnetic optimization, Electrical and Electronic Engineering, business, Microwave, Electronic circuit
Abstract

A gradient-based optimization method is presented for the design of packaged integrated microwave circuits. The method uses a reduced electromagnetic model resulting in a quasi-instantaneous analysis of the packaged device. A gradient-based strategy identifying parasitic effects due to circuit packaging is then deployed for optimizing the whole device. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 688–691, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23187

Published
2008
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3. Topology gradient optimization in 2D and 3D for the design of microwave components

Author

Jérôme Puech, Serge Verdeyme, Hassan K. Khalil, L. Lapierre, Michel Aubourg, Dominique Baillargeat, Stephane Bila, Atousa Assadi-Haghi, MINACOM, XLIM (XLIM), Université de Limoges (UNILIM)-Centre National de la Recherche Scientifique (CNRS)-Université de Limoges (UNILIM)-Centre National de la Recherche Scientifique (CNRS), Robotique mobile pour l'exploration de l'environnement (EXPLORE), Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier (LIRMM), and Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)

Subjects
Waveguide (electromagnetism), 021103 operations research, Materials science, 0211 other engineering and technologies, 020206 networking & telecommunications, Topology (electrical circuits), 02 engineering and technology, Condensed Matter Physics, Topology, Atomic and Molecular Physics, and Optics, Finite element method, Electronic, Optical and Magnetic Materials, Planar, Component (UML), 0202 electrical engineering, electronic engineering, information engineering, Shape optimization, Electrical and Electronic Engineering, Gradient method, Microwave, ComputingMilieux_MISCELLANEOUS
Abstract

A numerical model defined by a finite element method coupled with a topology gradient method is used for optimizing the shape of microwave components with respect to electrical specifications. The approach, which consists in minimizing a cost function with respect to the physical property of individual topological elements, which define the shape of the component, is first described. Regarding the given electrical specifications, the technique is applied for optimizing, respectively, in 2D, the distribution of metal upon the surface of a planar component and, in 3D, the distribution of dielectric material within a waveguide component. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2739–2743, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23751

Published
2008

4. Gradient-based optimization of packaged integrated microwave circuits exploiting reduced electromagnetic models

Author

Atousa Assadi-Haghi, Stéphane Bila, dominique baillargeat, Michel Aubourg, Serge Verdeyme, Boichon, C., Puech, J., Lionel Lapierre, MINACOM, XLIM (XLIM), Université de Limoges (UNILIM)-Centre National de la Recherche Scientifique (CNRS)-Université de Limoges (UNILIM)-Centre National de la Recherche Scientifique (CNRS), Robotique mobile pour l'exploration de l'environnement (EXPLORE), Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier (LIRMM), and Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)

Subjects
ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2008

5. Design of Microwave Components using Topology Gradient Optimization

Author

Christophe Durousseau, M. Rochette, Jérôme Puech, Dominique Baillargeat, Serge Verdeyme, Atousa Assadi-Haghi, L. Lapierre, Michel Aubourg, and Stephane Bila

Subjects
Computer science, Numerical analysis, Topology optimization, Shape optimization, Topology (electrical circuits), Mixed finite element method, Topology, Gradient method, Microstrip, Finite element method
Abstract

In this paper, we used a topology gradient method coupled with a finite element method in order to optimize the shape of a microstrip component. We appended a 2-D distribution of metal on the substrate and tried to optimize its form by taking benefits of the topology gradient method. The concept of topology gradient using a numerical method is given in this article, and finally, the results of using this approach in the context of microwave component optimization is shown.

Published
2006
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6. Optimization of microwave devices combining topology gradient and genetic algorithm

Author

Atousa Assadi-Haghi, Michel Aubourg, dominique baillargeat, Stéphane Bila, Serge Verdeyme, Boichon, C., Puech, J., Lapierre, L., MINACOM, XLIM (XLIM), and Université de Limoges (UNILIM)-Centre National de la Recherche Scientifique (CNRS)-Université de Limoges (UNILIM)-Centre National de la Recherche Scientifique (CNRS)

Subjects
ComputingMilieux_MISCELLANEOUS
Abstract

International audience

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