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Hardware Scaled Co-Simulation of Optimal Controlled Hybrid Gas-Electric Propulsion

Kaptain, Tyler J
http://rave.ohiolink.edu/etdc/view?acc_num=csu1631634390032462

Abstract Details

2021, Master of Science in Mechanical Engineering, Cleveland State University, Washkewicz College of Engineering.
Recent developments in aircraft propulsion electrification are motivated by economic and environmental factors such as lowering greenhouse gas emissions, reducing noise, and increasing fuel efficiency. This thesis focuses on a hybrid gas-electric propulsion concept combining a gas turbine jet engine with an electromechanical (EM) system. An optimal control system allows energy to be recovered from the gas turbine engine or injected into it from an electric storage unit. Energy extraction or injection can be obtained by selecting a performance weight in the optimization function that trades off fuel consumption with stored electrical energy utilization. The goal of this research is to validate the effectiveness and plausibility of the optimal controller during representative acceleration and deceleration maneuvers and at steady state. To accomplish this, the gas turbine engine dynamics are simulated using NASA’s T-MATS package and used in a hardware co-simulation approach along with physical hardware representative of the EM system, namely motors, power converter, and an energy storage device. A time scaling methodology was used to reconcile the power levels of the physical EM system (in the order of a kilowatt) with those of the engine simulation (in the order of megawatts). Multiple steady state missions were represented within a full simulation environment and in the lab test environment that covered a wide range of fuel-electric optimization weights. In addition, a chop-burst study was conducted to ensure the readiness of the system to handle flight missions. Based upon captured data, specifically that of shaft torque, supercapacitor voltage, and fuel flow measurements, it was determined that the optimal control objective was met. An increase in fuel-electric optimization weight corresponded to a desired change in torque to the engine and voltage to the energy storage device.
Hanz Richter (Advisor)
Jerzy Sawicki (Committee Member)
Lili Dong (Committee Member)
75 p.
Engineering; Mechanical Engineering
"Hybrid Gas Turbine Engine; T-MATS; Hardware Scaled Co-Simulation; Hybrid Gas-Electric Propulsion; Optimal Control; electrified aircraft propulsion; ultracapacitor; Electric air vehicles"

Recommended Citations

Citations

  • Kaptain, T. J. (2021). Hardware Scaled Co-Simulation of Optimal Controlled Hybrid Gas-Electric Propulsion [Master's thesis, Cleveland State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=csu1631634390032462

    APA Style (7th edition)

  • Kaptain, Tyler. Hardware Scaled Co-Simulation of Optimal Controlled Hybrid Gas-Electric Propulsion. 2021. Cleveland State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=csu1631634390032462.

    MLA Style (8th edition)

  • Kaptain, Tyler. "Hardware Scaled Co-Simulation of Optimal Controlled Hybrid Gas-Electric Propulsion." Master's thesis, Cleveland State University, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=csu1631634390032462

    Chicago Manual of Style (17th edition)

csu1631634390032462
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This open access ETD is published by Cleveland State University and OhioLINK.