Perspectives of Convertors and Communication Aspects in Automated Vehicles, Part 1: Convertors and Condition Monitoring

U. Mohan Rao, Anant K. Verma, Naresh K. Darimireddy, I. Fofana, Chan-Wang Park and B. Vedik
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U. Mohan Rao: Department of Applied Sciences, University of Quebec at Chicoutimi, Chicoutimi, QC G7H 2B1, Canada
Anant K. Verma: Department of Electrical Engineering, National Institute of Technology, Hamirpur 177001, India
Naresh K. Darimireddy: Department of MCSE, University of Quebec at Rimouski, Rimouski, QC G5L 3A1, Canada
I. Fofana: Department of Applied Sciences, University of Quebec at Chicoutimi, Chicoutimi, QC G7H 2B1, Canada
Chan-Wang Park: Department of MCSE, University of Quebec at Rimouski, Rimouski, QC G5L 3A1, Canada
B. Vedik: Department of Electrical Engineering, SR University, Warangal 506371, India

Energies, 2021, vol. 14, issue 7, 1-26

Abstract: A critical survey has been conducted on high energy-efficient bidirectional converters, various topologies that effectively meet the automated vehicle requirements, and 24 GHz/77 GHz low-profile antennas (for automotive radar applications). The present survey has been identified into two parts on the current topic of study as perspectives and challenges. Part 1 of this survey covers energy-efficient power electronic convertor topologies and condition monitoring aspects of convertors to enhance the lifespan and improve performance. Condition-monitoring issues concerning the abnormalities of electrical components, high switching frequencies, electromagnetic interference, leakage currents, and unwanted joint ruptures have also been emphasized. It is observed that composite converters are proficient for automated hybrid electric vehicles due to fast dynamic response and reduced component count. Importantly, electrical component failures in power electronic converters are most common and need attention for the effective operation of the bidirectional converters. Hence, condition monitoring implementation schemes have also been summarized. Part 2 of this survey focuses on 24 and 77 GHz low-profile (microstrip-based) antennas for automotive radar applications, types of antenna structures, feed mechanisms, dielectric material requirements, design techniques, and performance parameters. The discussion in Part 2 also covers feed methodologies, beam scanning concepts, and side-lobe levels on the autonomous vehicle communication activities.

Keywords: automotive radar; condition monitoring; bi-directional DC-DC convertors; electric vehicles (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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