Title: Model identification of EMP electromagnetic coupling using Volterra kernel

Authors: Yongsheng Gao, Liqing Fang, Ming Wei, Jiuhe Ma

Addresses: Electrostatic and Electromagnetic Protection Institute, Mechanical Engineering College, Shijiazhuang, Hebei, 050003, China. ' Mechanical Engineering Department, Mechanical Engineering College, Shijiazhuang, Hebei, 050003, China. ' Electrostatic and Electromagnetic Protection Institute, Mechanical Engineering College, Shijiazhuang, Hebei, 050003, China. ' Mechanical Engineering Department, Mechanical Engineering College, Shijiazhuang, Hebei, 050003, China

Abstract: Electromagnetic pulses (EMP) are capable of causing effects like malfunctions, performance degradation, interferences, and destructions in electronic and electrical systems. The EMP effect simulation is one of key points from home and abroad. Furthermore, EMP coupling is the promise and foundation of effect evolution and protection. In this paper, a new method, based on the combination of system identification theory and Volterra series algorithm, was proposed for the analysis of the EMP electromagnetic coupling phenomena from an external field to an inner electric system. In particular, we focused on the ultra wide band (UWB) pulses, which were able to cause malfunctions or even destructions of complex electronic systems and the coupling effect has not yet been sufficiently analysed. Based on experience data, we designed a new method using Volterra series to identify EMP electromagnetic coupling model. We firstly analysed the theory foundation of non-parameters model evolution. And then, to verify the validity of this method, we designed UWB pulses electromagnetic coupling table and gained radiation coupling data. Finally, model testing results showed that the increased model accuracy and smaller computation will improve EMP effect evolution, also which can apply this method to EMP electromagnetic coupling model identification.

Keywords: nonlinear systems; system identification; Volterra series; electromagnetic pulses; EMP; electromagnetic coupling; model identification; ultra wideband; UWB pulses; complex electronics; modelling.

DOI: 10.1504/IJMIC.2011.041304

International Journal of Modelling, Identification and Control, 2011 Vol.13 No.3, pp.171 - 177

Published online: 21 Mar 2015 *

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