Abstract
This paper presents a powertrain system for an urban electric vehicle. The powertrain system consists of a hybrid energy source (battery storage and ultracapacitors) and drivetrain system (two in-wheel outer-rotor PMSM motors). Battery performance improvement, has been achieved by supporting it with ultracapacitor energy storage. Power flow control using fuzzy logic controller is presented in detail. An electronic differential algorithms have been implemented and tested.
Highlights
Current energy-efficient cars can be divided into two main groups: hybrid electric vehicles (HEV), and battery electric vehicles (BEV)
BEVs, which use direct drive system, allow for a significant reduction of moving or rotating elements when compared to internal combustion engine (ICE) systems, and improving its reliability [17, 21]
The powertrain system designed for the electric vehicle has been presented
Summary
Current energy-efficient cars can be divided into two main groups: hybrid electric vehicles (HEV), and battery electric vehicles (BEV). Another key advantage is that electric drives can recover energy during regenerative braking and feed it into the vehicle's batteries. Car) full active hybrid system is used In this solution electrochemical batteries and ultracapacitors are connected to DC-link circuit through individual interleaved bidirectional converters. DC/DC converters are designed as layered structure (Fig. 2.5) enclosed in one sealed housing These devices are composed of: voltage and current sensors, temperature sensors, liquid-cooled heatsink, transistor modules and interface board with the microcontroller.
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