Electric and electronic architecture of a FSAE full electric vehicle and design of a BMS for the low voltage system

The thesis project reported in this document, aims to expose a detailed description of the whole electric and electronic system of a competition full electric vehicle, realized by Squadra Corse PoliTO, a student team of Politecnico di Torino. The description about the vehicle, is divided into two major sections in the base of the electronics treated, high voltage architecture in the first chapter, and low voltage system in the second chapter. This work do not only consider the description, but it also aims to provide an analysis of the whole system, highlighting the main improvements inserted in the season 21, in relation to the previous one, the 19. The analysis can be read in the third chapter of this paper. In brief, the project resumes a work of more than a year in which an almost complete vehicle's electric and electronic architecture has been designed. The forth chapter of the thesis, describes a proposal of hardware design for a battery management system for the low voltage battery. This board has been designed to be compliant with the rest of the system and includes in the study an active balancing of a Li-ion battery module. The design work includes schematics, PCB layout, and simulations of the circuits introduced in this board. The topic has been elaborated with the assistance of LT Spice for simulation and KiCAD softwares for the electronic design and layout. In conclusion, this paper aims to enhance the team's knowledge about the vehicle's architecture and inspire about improvements of the design for the battery management systems in the future developments.