Susceptibility analysis of wiring in a complex system combining a 3-D solver and a transmission-line network simulation

This paper deals with the application of electromagnetic field-to-transmission-line coupling models for large cable systems analysis. It emphasizes the use of Agrawal's (1980) model applied here in a numerical simulation of an electromagnetic susceptibility problem up to 500 MHz. Based on the c...

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Bibliographic Details
Published in:IEEE transactions on electromagnetic compatibility 2002-05, Vol.44 (2), p.309-317
Main Authors: Paletta, L., Parmantier, J.-P., Issac, F., Dumas, P., Alliot, J.-C.
Format: Article
Language:English
Subjects:
Applied sciences
Cables
Computer simulation
Electric field measurement
Electromagnetic compatibility
Electromagnetic fields
Electromagnetic interference
Electromagnetic shielding
Exact sciences and technology
FDTD methods
Information, signal and communications theory
Joining
Mathematical models
Methodology
Network computers
Networks
Prototypes
Road vehicles
Telecommunications and information theory
Transmission line theory
Wiring
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Summary:This paper deals with the application of electromagnetic field-to-transmission-line coupling models for large cable systems analysis. It emphasizes the use of Agrawal's (1980) model applied here in a numerical simulation of an electromagnetic susceptibility problem up to 500 MHz. Based on the concepts of EM topology, the proposed methodology consists in calculating the incident fields with a three-dimensional (3-D) computer code and the coupling on cables with a multiconductor transmission-line network computer code. In order to validate the efficiency of this methodology in an industrial context, an experiment has been performed on a prototype wiring installed in a Renault Laguna car, stressed by an EM plane wave. Numerous validation configurations have been carried out. First, the prototype cable network under study has been tested on a ground plane to validate the coupling model but also, to validate the cable-network topology itself. Second, EM fields have been measured onto the structure and inside the structure. Then, they have been compared to 3-D calculations, performed with an FDTD code. Third, comparisons between measurements and calculations of bulk currents and voltages on 50 /spl Omega/ loads on the wiring have been achieved.
ISSN:0018-9375
1558-187X
DOI:10.1109/TEMC.2002.1003395