Human Body Impedance Modelling for ESD Simulations
Motivated by understanding the ESD-induced currents from body-worn, wire and hose connected medical equipment is exposed to, a computer simulation is presented to estimate the impedance of a human body relative to ground. This 3D model is the basis for transient field calculation. A Method of Moments (MoM) frequency domain solution is transformed into time domain via IFFT for further circuit level time domain simulations. The human body is modeled as a homogeneous dielectric with frequency-dependent complex permittivity. Dependence of the impedance on the position of discharge and posture of the human body is investigated. The simulation results are compared with measurements and demonstrate capturing of general tendencies of measured curves.
I. Oganezova and D. Pommerenke and J. Zhou and K. K. Ghosh and A. Hosseinbeig and J. Lee and N. Tsitskishvili and T. Jobava and Z. Sukhiashvili and R. G. Jobava, "Human Body Impedance Modelling for ESD Simulations," Proceedings of the 2017 IEEE International Symposium on Electromagnetic Compatibility & Signal/Power Integrity (2017, Washington, DC), pp. 629 - 633, Institute of Electrical and Electronics Engineers (IEEE), Aug 2017.
The definitive version is available at https://doi.org/10.1109/ISEMC.2017.8077944
2017 IEEE International Symposium on Electromagnetic Compatibility & Signal/Power Integrity (2017: Aug. 7-11, Washington, DC)
Electrical and Computer Engineering
Keywords and Phrases
Electric Discharges; Electromagnetic Compatibility; Electrostatic Devices; Electrostatic Discharge; Frequency Domain Analysis; Method of Moments; Air Discharge; Body Worn Devices; Complex Permittivity; Frequency Dependent; Homogeneous Dielectrics; Human Body Modeling; Method of Moments (MoM); Time-domain Simulations; Time Domain Analysis; Human Body Model; MoM Model
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Article - Conference proceedings
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01 Aug 2017