Modified Particle Swarm Optimization Based Powertrain Energy Management for Range Extended Electric Vehicle

Omkar Parkar, Benjamin Snyder, Adibuzzaman Rahi and Sohel Anwar ()
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Omkar Parkar: Cummins, Inc., CTC, Columbus, IN 47201, USA
Benjamin Snyder: Cummins, Inc., CTC, Columbus, IN 47201, USA
Adibuzzaman Rahi: Department of Mechanical and Energy Engineering, Indiana University Purdue University Indianapolis (IUPUI), Indianapolis, IN 46202, USA
Sohel Anwar: Department of Mechanical and Energy Engineering, Indiana University Purdue University Indianapolis (IUPUI), Indianapolis, IN 46202, USA

Energies, 2023, vol. 16, issue 13, 1-21

Abstract: The efficiency of hybrid electric powertrains is heavily dependent on energy and power management strategies, which are sensitive to the dynamics of the powertrain components that they use. In this study, a Modified Particle Swarm Optimization (Modified PSO) methodology, which incorporates novel concepts such as the Vector Particle concept and the Seeded Particle concept, has been developed to minimize the fuel consumption and NOx emissions for an extended-range electric vehicle (EREV). An optimization problem is formulated such that the battery state of charge (SOC) trajectory over the entire driving cycle, a vector of size 50, is to be optimized via a control lever consisting of 50 engine/generator speed points spread over the same 2 h cycle. Thus, the vector particle consisted of the battery SOC trajectory, having 50 elements, and 50 engine/generator speed points, resulting in a 100-D optimization problem. To improve the convergence of the vector particle PSO, the concept of seeding the vector particles was introduced. Additionally, further improvements were accomplished by adapting the Time-Varying Acceleration Coefficients (TVAC) PSO and Frankenstein’s PSO features to the vector particles. The MATLAB/SIMULINK platform was used to validate the developed commercial vehicle hybrid powertrain model against a similar ADVISOR powertrain model using a standard rule-based PMS algorithm. The validated model was then used for the simulation of the developed, modified PSO algorithms through a multi-objective optimization strategy using a weighted sum fitness function. Simulation results show that a fuel consumption reduction of 12% and a NOx emission reduction of 35% were achieved individually by deploying the developed algorithms. When the multi-objective optimization was applied, a simultaneous reduction of 9.4% fuel consumption and 7.9% NOx emission was achieved when compared to the baseline model with the rule-based PMS algorithm.

Keywords: particle swarm optimization; hybrid electric vehicles; power management system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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