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Jonathan S. Litt
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Journal Articles

Optimal Control Allocation for Distributed Electric Propulsion in a Series/Parallel Partial Hybrid Powertrain

Jonathan S. Litt
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011028.
Paper No: GTP-24-1447
https://doi.org/10.1115/1.4066589
Published Online: October 25, 2024
View Article titled, Optimal Control Allocation for Distributed Electric Propulsion in a Series/Parallel Partial Hybrid Powertrain
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Topics: Aircraft, Failure, Optimal control, Thrust, Design, Engines, Torque, Generators, String, Flight
Proceedings Papers

Optimal Control Allocation for Distributed Electric Propulsion in a Series/Parallel Partial Hybrid Powertrain

Jonathan S. Litt
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A008, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122380
https://doi.org/10.1115/GT2024-122380
View Paper titled, Optimal Control Allocation for Distributed Electric Propulsion in a Series/Parallel Partial Hybrid Powertrain
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Topics: Electric propulsion, Optimal control
Journal Articles

Revolutionary Vertical Lift Technology Side-by-Side Hybrid Concept Vehicle Powertrain Dynamic Model

Santino J. Bianco, Christine T. Chevalier, Jonathan S. Litt, Joshua K. Smith, Jeffryes W. Chapman, Jonathan L. Kratz
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031005.
Paper No: GTP-21-1359
https://doi.org/10.1115/1.4052258
Published Online: December 7, 2021
View Article titled, Revolutionary Vertical Lift Technology Side-by-Side Hybrid Concept Vehicle Powertrain Dynamic Model
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Topics: Control equipment, Dynamic models, Electricity (Physics), Engines, Flow (Dynamics), Fuels, Mechanical drives, Modeling, Rotors, Torque
Proceedings Papers

Revolutionary Vertical Lift Technology (RVLT) Side-by-Side Hybrid Concept Vehicle Powertrain Dynamic Model

Santino J. Bianco, Christine T. Chevalier, Jonathan S. Litt, Joshua K. Smith, Jeffryes W. Chapman, Jonathan L. Kratz
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A009, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59375
https://doi.org/10.1115/GT2021-59375
View Paper titled, Revolutionary Vertical Lift Technology (RVLT) Side-by-Side Hybrid Concept Vehicle Powertrain Dynamic Model
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Topics: Dynamic models, Vehicles
Journal Articles

A Data Filter for Identifying Steady-State Operating Points in Engine Flight Data for Condition Monitoring Applications

Donald L. Simon, Jonathan S. Litt
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2011, 133(7): 071603.
https://doi.org/10.1115/1.4002318
Published Online: March 24, 2011
View Article titled, A Data Filter for Identifying Steady-State Operating Points in Engine Flight Data for Condition Monitoring Applications
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Topics: Engines, Filters, Steady state, Flight, Transients (Dynamics), Polishing equipment, Condition monitoring
Proceedings Papers

A Data Filter for Identifying Steady-State Operating Points in Engine Flight Data for Condition Monitoring Applications

Donald L. Simon, Jonathan S. Litt
Proc. ASME. GT2010, Volume 3: Controls, Diagnostics and Instrumentation; Cycle Innovations; Marine, 191-200, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22818
https://doi.org/10.1115/GT2010-22818
View Paper titled, A Data Filter for Identifying Steady-State Operating Points in Engine Flight Data for Condition Monitoring Applications
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Topics: Condition monitoring, Engines, Filters, Flight, Steady state, Algorithms, Design, Dynamic systems
Proceedings Papers

An Optimal Orthogonal Decomposition Method for Kalman Filter-Based Turbofan Engine Thrust Estimation

Jonathan S. Litt
Proc. ASME. GT2005, Volume 1: Turbo Expo 2005, 745-756, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68808
https://doi.org/10.1115/GT2005-68808
View Paper titled, An Optimal Orthogonal Decomposition Method for Kalman Filter-Based Turbofan Engine Thrust Estimation
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Topics: Engines, Filters, Kalman filters, Thrust, Turbofans
Proceedings Papers

Application of a Constant Gain Extended Kalman Filter for In-Flight Estimation of Aircraft Engine Performance Parameters

Takahisa Kobayashi, Donald L. Simon, Jonathan S. Litt
Proc. ASME. GT2005, Volume 1: Turbo Expo 2005, 617-628, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68494
https://doi.org/10.1115/GT2005-68494
View Paper titled, Application of a Constant Gain Extended Kalman Filter for In-Flight Estimation of Aircraft Engine Performance Parameters
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Topics: Aircraft engines, Engines, Flight, Kalman filters, Thrust
Journal Articles

An Optimal Orthogonal Decomposition Method for Kalman Filter-Based Turbofan Engine Thrust Estimation

Jonathan S. Litt
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2008, 130(1): 011601.
https://doi.org/10.1115/1.2747254
Published Online: December 26, 2007
View Article titled, An Optimal Orthogonal Decomposition Method for Kalman Filter-Based Turbofan Engine Thrust Estimation
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Topics: Approximation, Design, Dimensions, Engines, Errors, Kalman filters, Sensors, Thrust, Turbofans, Flow (Dynamics)
Journal Articles

Reduced-Order Modeling and Wavelet Analysis of Turbofan Engine Structural Response due to Foreign Object Damage (FOD) Events

James A. Turso, Charles Lawrence, Jonathan S. Litt
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2007, 129(3): 814–826.
https://doi.org/10.1115/1.2718230
Published Online: November 17, 2006
View Article titled, Reduced-Order Modeling and Wavelet Analysis of Turbofan Engine Structural Response due to Foreign Object Damage (FOD) Events
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Topics: Accelerometers, Bearings, Engines, Rotors, Signals, Turbofans, Vibration, Wavelets, Finite element model, Damage