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RSS FeedsEnergies, Vol. 16, Pages 1497: Comparative Assessment of Supervisory Control Algorithms for a Plug-In Hybrid Electric Vehicle (Energies)

 
 

2 february 2023 15:27:22

 
Energies, Vol. 16, Pages 1497: Comparative Assessment of Supervisory Control Algorithms for a Plug-In Hybrid Electric Vehicle (Energies)
 


The study examines alternative on-board energy management system (EMS) supervisory control algorithms for plug-in hybrid electric vehicles. The optimum fuel consumption was sought between an equivalent consumption minimization strategy (ECMS) algorithm and a back-engineered commercial rule-based (RB) one, under different operating conditions. The RB algorithm was first validated with experimental data. A method to assess different algorithms under identical states of charge variations, vehicle distance travelled, and wheel power demand criteria is first demonstrated. Implementing this method to evaluate the two algorithms leads to fuel consumption corrections of up to 8%, compared to applying no correction. We argue that such a correction should always be used in relevant studies. Overall, results show that the ECMS algorithm leads to lower fuel consumption than the RB one in most driving conditions. The difference maximizes at low average speeds (<40 km/h), where the RB leads to more frequent low load engine operation. The two algorithms lead to fuel consumption differences of 3.4% over the WLTC, while the maximum difference of 24.2% was observed for a driving cycle with low average speed (18.4 km/h). Further to fuel consumption performance optimization, the ECMS algorithm also appears superior in terms of adaptability to different driving cycles.


 
76 viewsCategory: Biophysics, Biotechnology, Physics
 
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