Energy Management of Three Wheeler Hybrid Electric Vehicle by Using Model Predictive Controller
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Date
2024-08
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Addis Ababa University
Abstract
In response to environmental issues and declining global crude oil reserves researchers and automobile
manufacturers are exploring novel vehicle technologies. Hybrid Electric Vehicles (HEVs) reduce
fuel usage and greenhouse gas emissions. The transportation sector consumes around 66% of global
oil consumption, with small passenger cars and trucks accounting for 50%.
For meeting future energy demands and reducing pollution a power-split hybrid electric car is a
possible solution . It combines features of both conventional and electric vehicles. Energy can be
managed optimally because it comes from two subsystems: the engine and the battery. This thesis
presents a model predictive control approach with constraint handling that outperforms previous
strategies for efficient energy management of hybrid electric vehicles. A comprehensive mathematical
model of a three wheeler Auto Rickshaw power split hybrid electric car is created, including the
engine, planetary gear, motor/generator, and battery.
The presented model utilizes an interior-point optimizer-based nonlinear predictive control approach
with operational limitations and a cost function. The goal is to reduce fuel usage and keep
the battery’s charge within predefined limitations. The generated model was simulated in MATLAB,
including motor, generator, engine speed, and battery SoC. The proposed MPC results for the
HWFET(modified) and EUDC(modified) cycles show specific fuel consumption of 0.5162 and 0.5817
liters/100 km, respectively. The ADVISOR 2003 rule-based method yields 1.00 and 1.1 liters/100 km
for the HWFET(modified) and EUDC(modified) cycles, respectively, supporting these findings.The
suggested MPC improves specific fuel consumption by 48.39% and 47.12% in HWFET(modified)
and EUDC(modified) drive cycles, respectively. So MPC based three wheeler power split HEVs
would play a significant role to significantly lower fuel consumption and environmental pollution and
foreign currency to import fuel.
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Keywords
Power-split three-wheeler HEV, Nonlinear MPC, ADVISOR, CasADi