High-Voltage Power Line Communication in a Hybrid Vehicle

Masaki TAKANASHI  Atsuhiro TAKAHASHI  Hiroya TANAKA  Hiroaki HAYASHI  Yoshiyuki HATTORI  

Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E100-A   No.8   pp.1705-1713
Publication Date: 2017/08/01
Online ISSN: 1745-1337
Type of Manuscript: PAPER
Category: Communication Theory and Signals
Keyword: 
power-line communication,  hybrid vehicle,  high-voltage line,  transmission channel,  noise characteristics,  

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Summary: 
Hybrid vehicles (HVs) and electric vehicles (EVs) have become widespread. These vehicles incorporate a large number of electronic devices, which requires the use of a high-voltage (200 V) battery. Power electronics devices driven by the 200 V battery is expected to increase in the future. As such, we herein propose a power line communication (PLC) method that uses a high-voltage power line. In the present paper, we first clarify the transmission channel through modeling of an equivalent circuit and channel measurement. We then conduct noise measurements and determine the noise characteristics of the proposed PLC. Finally, we evaluate the bit error rate performance through computer simulations based on the measured transmission channel and noise.