MODELING AND SIMULATION OF ENERGY FLOW IN HYBRID VEHICLE SYSTEMS USING OCTAVE

Abstract

This paper presents a mathematical modeling and simulation method for a Hybrid Vehicle (HEV) control system based on a Power Split Device (PSD) architecture. The study focuses on developing the dynamic equations for the Internal Combustion Engine (ICE), two electric motors (MG1, MG2), and the energy storage system (Battery). Energy coordination algorithms for the HV ECU controller and the influence of the air conditioning (A/C) load are integrated to evaluate the battery's State of Charge (SoC). Simulation results using Octave software show a strong correlation between the electromechanical components in the system.