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  • Summary & Details

ECMS-Based Energy Management Strategy for a Hydrogen Fuel Cell Hybrid Yard Tractor

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Author(J)1) Juhan Lee, 2) Beomho Lee, 3) Taeho Park, 4) Dohyun Park, 5) Janghyeok Won, 6) Deokjin Kim
Author(E)1) Juhan Lee, 2) Beomho Lee, 3) Taeho Park, 4) Dohyun Park, 5) Janghyeok Won, 6) Deokjin Kim
Affiliation(J)1) Korea Automotive Technology Institute, 2) Korea Automotive Technology Institute, 3) Korea Automotive Technology Institute, 4) Korea Automotive Technology Institute, 5) Korea Automotive Technology Institute, 6) Korea Automotive Technology Institute
Affiliation(E)1) Korea Automotive Technology Institute, 2) Korea Automotive Technology Institute, 3) Korea Automotive Technology Institute, 4) Korea Automotive Technology Institute, 5) Korea Automotive Technology Institute, 6) Korea Automotive Technology Institute
Abstract(E)Hydrogen fuel cell (FC) hybrid powertrains are a zero-emission option for port yard tractors (YTs), whose high peak power, low average power, and frequent start-stop operation challenge battery-electric solutions. A software-in-the-loop (SILS) model of an FC hybrid YT-80 kW FC stack, 90.7 kWh battery, 310 kW motor-is built in MATLAB/Simulink with IPG TruckMaker. A representative duty cycle from 191 in-service trips shows 22 kW average and 232 kW peak power. The baseline rule-based supervisor yields bimodal FC operation, motivating a proposed ECMS with a PI-based adaptive equivalence factor to shift FC operation into its high-efficiency region while sustaining charge.

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