Date of Award
Spring 5-2017
Access Type
Thesis - Open Access
Degree Name
Master of Science in Mechanical Engineering
Department
Mechanical Engineering
Committee Chair
Patrick Currier
First Committee Member
Marc Compere
Second Committee Member
Darris White
Abstract
Criteria emission reduction techniques are being more sought out in the automotive industry due to current government regulation for light duty vehicles. Parallel-series plug in hybrid electric vehicles can have multiple strategies to balance emissions and fuel consumption. Common controls strategies in industry target fuel economy by using a large electric vehicle range, known as charge depletion, followed by maintaining a state of charge after a specific vehicle threshold, or charge sustaining. A charge preserve strategy works by running an engine at an optimal loading condition, the engine will burn the fuel more complete reducing criteria emissions. Charge preserve will charge the vehicle more rapidly by loading the engine to achieve optimal loading conditions and yield a quicker recharge. The charge preserve strategy had the best results when compared to the corporate average fuel economy 2025 standards that regulate solely criteria emissions. The nitrogen oxides emissions of a Max Depletion strategy were higher than the standard by 200%. The charge preserve strategy decreased Nitrogen oxides by 41% greenhouse gas emissions from a charge preserve strategy, however can see an increase up to 15% and a 2% decrease in fuel economy was observed.
Scholarly Commons Citation
Gorgia, Thomas Francis III, "Supervisory Controls Strategy to Reduce Utility Factor Weighted Criteria Emissions for a Plug-In Hybrid Electric Vehicle" (2017). Doctoral Dissertations and Master's Theses. 329.
https://commons.erau.edu/edt/329
