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This paper presents an accurate and efficient time-domain approach for analyzing the coupling of transient electromagnetic fields into cable systems with arbitrary linear networks at terminations. Some nonlinear elements in termination circuits are also considered. The approach is based on hybridization of three different methods. First, the discontinuous Galerkin time domain (DGTD) method is used...
In this paper, we demonstrate a methodology for fast virtual testing of LED lighting system under ALSE test setup. We use simulation software for generation of setup models according to ISO 11452-2 standard [1] and prediction of currents induced in LEDs. The levels of the currents are analyzed to check the possible malfunction of the system.
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...
ESD events can damage or upset electronic vehicle systems, so discharges to the electronic systems or to the attached cables need to be considered. Discharges to the cables or to coupling structures close to the cables were investigated and a Method of Moments (MoM)-based methodology for ESD simulation is proposed. The simulation results for test benches according to ISO standards were verified against...
In this paper, an accurate and fast scheme for generation of BCI test setup is proposed. The method is used for study of vehicle lighting system under BCI test according to ISO 11452-4 standard. The Rear Combination Lamp module is examined and input voltages obtained during BCI test are compared with predefined susceptibility limits.
This paper proposes a high-frequency dynamic circuit network model of a DC motor for predicting conductive and radiated emissions in low-voltage automotive applications, and discusses a study in which this model was examined. The proposed model is based on a behavioral approach. The methodology for testing various motors together with their filters and optimization of overall system performance by...
In this paper, an accurate and fast behavioral model of a complete bulk current injection (BCI) test bench is proposed. A simulation procedure was applied to a 3-wire link between an engine control module (ECM) and a fuel pressure sensor, actual electronic devices used in the automotive industry. The simulation procedure consisted of two steps. First, the transfer function between the components of...
In this article, new lumped-parameter models of current clamps are proposed and discussed. The models were extracted from measured S parameters of a clamp mounted onto a calibration fixture. The generated bulk current injection (BCI) and current probe simulation models were used in the electromagnetic (EMC) testing of a realistic cable harness according to the ISO 11452-4 standard. The accuracy and...
This paper proposes a high-frequency dynamic circuit network model of a DC motor for predicting conductive emissions in low-voltage automotive applications, and discusses a study in which this model was examined. The proposed model, which is based on a behavioral approach, introduces some physical features and phenomena of motor armature windings. Together with impedance characterization current model...
In this paper, a hybrid MOM with a special Green's function for glass antenna elements is extended to analysis of printed circuit boards (PCB) and printed microwave antennas (PMA). This approach is validated by comparison of simulated results with measurements, and a close agreement between them is shown. Application of the hybrid MOM to practical EM/EMI problems is demonstrated.
In this paper application of Green's function approach for simulation of PCB structures is demonstrated. Particularly, coupling from PCB model of power inverter to glass antenna is investigated. Simulation results are compared with measurement results. A number of important advantages of the method are described.
Effective computational techniques for Multi-Transmission Line (MTL) based on Lumped Circuit Transmission Line (LCTL) method are suggested and applied for EMC analysis of complex cable harness. Accuracy of developed algorithms is validated by comparisons with measurements.
Based on the recent enhancements of the traditional MoM, a combined set of the advanced methods, techniques and special means is proposed to provide an accurate and effective simulation of EM/EMC automotive antenna problems.
A 3-phase DC-AC inverter system model is developed and noise produced by this non-linear system is investigated. Importance of parasitic elements consideration in computational model is shown for radiated emission test. Modeling of the system is performed using multi transmission line theory. Comparison of simulation results with measurements is done.
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