An Approach to Mitigate the EMI Noise Effect in Vehicle-to-Grid (V2G) System

Gajbhiye, Pallavi; Achari, K Narasimhaiah; Balakrishna, G.; Kumar, M. Vijaya

doi:10.1109/gcat52182.2021.9587736

Cited by 2 publications

(1 citation statement)

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“…With the prevailing tendency of integrating an extensive range of electronic devices into vehicles, the electromagnetic environments of vehicular communication systems have grown increasingly intricate. The intensity of electromagnetic interference (EMI) amplifies in correlation with the complexity of the electromagnetic environment [1][2][3][4][5][6][7][8]. EMI stands out as the principal factor contributing to electromagnetic compatibility (EMC) issues [9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Construction and Analysis of the EMC Evaluation Model for Vehicular Communication Systems Based on Digital Maps

Zhang,

Lu,

Zhang

et al. 2023

Remote Sensing

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With the development of vehicular communication technology, the electromagnetic compatibility requirements of vehicular communication systems are becoming more demanding. The traditional four-level electromagnetic compatibility evaluation model is widely applied in many scenarios. However, this model neglects the mutual interference of electronic devices inside a vehicle, and it cannot evaluate whether reduced radio receiver sensitivity, antenna isolation, and communication distance satisfy the system requirements for vehicular communication, thus making it unsuitable for digital communication systems. With the development of remote sensing technology, high-precision digital maps are easy to acquire and thus widely used. In this work, a modified five-level evaluation model based on digital maps is proposed, where digital maps are employed to support receiver sensitivity, antenna isolation, and communication performance evaluation. Through remote sensing technology and digital maps, a terrain profile is obtained, and a more accurate vehicle communication propagation model is established. In the experiment, an actual armored vehicular communication system example is applied to verify the performance of the proposed five-level evaluation model. Compared with the free-space propagation model, the error of the actual power received by the receiver is reduced by 0.97%, and the error of the communication distance where the sensitivity of the receiver is reduced by more than the system EMC threshold is reduced by 16.78%. The calculated antenna isolation degree is basically consistent with the actual measurement data. The model is able to evaluate the electromagnetic compatibility of an armored vehicular communication system more quickly, accurately, and comprehensively compared to previous evaluation models.

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