Adjoint Technique for Sensitivity Analysis of Coupling Factors According to Geometric Variations
A physical interpretable equivalent electrical network and its parameters are extracted from a 3-D finite-element model formulated by Darwin's approximation to the Maxwell equations. In this paper, we add a sensitivity analysis procedure to the extraction of inductive parasitics, relying upon t...
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| Veröffentlicht in: | IEEE transactions on magnetics 2018-03, Vol.54 (3), p.1-4 |
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| container_title | IEEE transactions on magnetics |
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| creator | Schuhmacher, Sebastian Klaedtke, Andreas Keller, Christoph Ackermann, Wolfgang De Gersem, Herbert |
| description | A physical interpretable equivalent electrical network and its parameters are extracted from a 3-D finite-element model formulated by Darwin's approximation to the Maxwell equations. In this paper, we add a sensitivity analysis procedure to the extraction of inductive parasitics, relying upon the adjoint technique for the extracted partial inductances and coupling factors. The resulting algorithm is an efficient way to calculate the sensitivities with respect to a large number of parameters. In an example, we use the gradient information to guide the geometrical optimization of an electromagnetic compatibility filter. |
| doi_str_mv | 10.1109/TMAG.2017.2774107 |
| format | Article |
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In this paper, we add a sensitivity analysis procedure to the extraction of inductive parasitics, relying upon the adjoint technique for the extracted partial inductances and coupling factors. The resulting algorithm is an efficient way to calculate the sensitivities with respect to a large number of parameters. In an example, we use the gradient information to guide the geometrical optimization of an electromagnetic compatibility filter.</description><subject>Adjoint technique</subject><subject>Analytical models</subject><subject>Coupling</subject><subject>Couplings</subject><subject>Electromagnetic compatibility</subject><subject>Finite element method</subject><subject>Finite-element (FE) modeling</subject><subject>Impedance</subject><subject>Integrated circuit modeling</subject><subject>Magnetism</subject><subject>Mathematical model</subject><subject>Maxwell's equations</subject><subject>model reduction</subject><subject>mutual coupling</subject><subject>Parameter sensitivity</subject><subject>Parasitics (electronics)</subject><subject>Sensitivity analysis</subject><subject>Three dimensional models</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kMFOwzAMQCMEEmPwAYhLJM4dcdI2zbGaWEEa4sDgGtI0hUxbM5IMaX9Pqk2cLNvPlv0QugUyAyDiYfVSNzNKgM8o5zkQfoYmIHLICCnFOZoQAlUm8jK_RFchrFOaF0Am6LPu1s4OEa-M_h7sz97g3nn8ZoZgo_218YDrQW0OwQbsejx3-93GDl94oXR0PuBaa-e7sRIdbozbmuitxh_KWxWtG8I1uujVJpibU5yi98Xjav6ULV-b53m9zDQVLGYtY0bolnFaMCVKU7EyV5yzQnesL1XZ5wQSAIoprbgAJrqqUl1qtJSwVrEpuj_u3XmXvghRrt3ep9ODpIRwCkkETxQcKe1dCN70cuftVvmDBCJHkXIUKUeR8iQyzdwdZ6wx5p-vaCEIAPsDkwdv5A</recordid><startdate>20180301</startdate><enddate>20180301</enddate><creator>Schuhmacher, Sebastian</creator><creator>Klaedtke, Andreas</creator><creator>Keller, Christoph</creator><creator>Ackermann, Wolfgang</creator><creator>De Gersem, Herbert</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| source | IEEE Electronic Library (IEL) |
| subjects | Adjoint technique Analytical models Coupling Couplings Electromagnetic compatibility Finite element method Finite-element (FE) modeling Impedance Integrated circuit modeling Magnetism Mathematical model Maxwell's equations model reduction mutual coupling Parameter sensitivity Parasitics (electronics) Sensitivity analysis Three dimensional models |
| title | Adjoint Technique for Sensitivity Analysis of Coupling Factors According to Geometric Variations |
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