Comprehensively Efficient Analysis of Nonlinear Wire Scatterers Considering Lossy Ground and Multi-tone Excitations

Authors

  • Amir Bahrami Department of Electrical Engineering, Arak University, Arak, Iran
  • Saeed Reza Ostadzadeh Department of Electrical Engineering, Arak University, Arak, Iran

Keywords:

IWD, lossy ground, multi-tone excitation, nonlinear load, wire scatterers

Abstract

In this paper based on intelligent water drops algorithm (IWD), comprehensively nonlinear analysis of nonlinearly loaded wire scatterers are carried out. The analyses involve two stages. First, the problem is modeled as a nonlinear multi-port equivalent circuit and it is then reformulated into an optimization problem which is solved by the IWD. The simulation results are compared with harmonic balance (HB), arithmetic operator method (AOM), approximate methods and experiment. Analysis of the problem under strongly nonlinear loads, presence of lossy ground, multi-port structures, and multi-ton excitations are included to cover all the complex aspects. In one hand, the proposed modeling approach is in excellent agreement with other conventional techniques. On the other hand, the run time is considerably reduced.

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Author Biographies

Amir Bahrami, Department of Electrical Engineering, Arak University, Arak, Iran

Amir Bahrami was born in Esfahan, Iran, on June 22, 1994. He received B.Sc. in Electrical Engineering from Arak University, Arak, Iran, in 2016. His research interests include nonlinear microwaves, nonlinear RF circuits, nonlinear differential equations and nonlinear functional analysis.

Saeed Reza Ostadzadeh, Department of Electrical Engineering, Arak University, Arak, Iran

Saeed Reza Ostadzadeh was born in Kashan, Iran, on April 13, 1978. He received B.Sc., M.Sc. and Ph.D. in Communication Engineering from the Iran University of Science and Technology (IUST), Tehran, Iran, in 2000, 2002 and 2008, respectively. He is currently an Assistant Professor in the Department of Electrical Engineering at Arak University, Arak, Iran. His research interests include qualitative modeling, grounding systems and power systems under lightning strokes. He has authored more than 50 scientific papers for conferences and international journals. He is a member of Iranian electromagnetic engineering society and Iranian fuzzy systems society.

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Published

2020-08-01

How to Cite

[1]
Amir Bahrami and Saeed Reza Ostadzadeh, “Comprehensively Efficient Analysis of Nonlinear Wire Scatterers Considering Lossy Ground and Multi-tone Excitations”, ACES Journal, vol. 35, no. 8, pp. 878–886, Aug. 2020.

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