A data-driven approach for analyzing Hall thruster discharge instability leading to plasma blowoff

M Lee, D Kim, J Lee, Y Kim, M Yi - Acta Astronautica, 2023 - Elsevier
The Hall-effect thruster is a prominent space propulsion system, providing a high specific
impulse and thrust-to-power ratio. However, detrimental phenomena occurring in Hall …

A PINN approach for identifying governing parameters of noisy thermoacoustic systems

H Son, M Lee - Journal of Fluid Mechanics, 2024 - cambridge.org
Identifying the governing parameters of self-sustained oscillation is crucial for the diagnosis,
prediction and control of thermoacoustic instabilities. In this paper, we propose and validate …

A recursive identification algorithm for discrete time-delay periodic linear systems

L Lv, J Zhao, B Zheng, J Shen, H Yan - Journal of Computational and …, 2025 - Elsevier
In this paper, we propose an identification algorithm that utilizes the least squares principle
based on the auxiliary model for parameter identification of discrete time-delay periodic …

[HTML][HTML] Numerical aspects of noise-induced dynamics in continuous combustion systems

M Lee - Journal of the Korean Society of Combustion, 2023 - jkosco.org
Combustion systems are exposed to intrinsic and extrinsic noise arising from various
sources. Contrasting the conventional viewpoint of treating noise as signal contamination …

Fokker-Planck dynamics of two coupled van der Pol oscillators subjected to stochastic forcing

M Lee, V Gupta, LKB Li - Physical Review E, 2024 - APS
We present probabilistic solutions to a pair of mutually coupled Van der Pol oscillators
subjected to stochastic forcing. We consider three different types of coupling: reactive …

Monte-Carlo Simulation for Analyzing the Performance Variation of a Liquid Rocket Engine Using Gas-Generator Cycle

S Park, E Lee, M Lee - International Journal of Aeronautical and Space …, 2024 - Springer
The performance of liquid rocket engines is influenced by randomness arising from various
sources, making deterministic analyses imprecise. Recognizing this issue, we perform a …

A deep operator network for Bayesian parameter identification of self-oscillators

T Sugandi, B Dharmaputra, N Noiray - Data-Centric Engineering, 2024 - cambridge.org
Many physical systems exhibit limit-cycle oscillations that can typically be modeled as
stochastically driven self-oscillators. In this work, we focus on a self-oscillator model where …

Brief Review on Measurement Devices for the Plasma Diagnosis of Satellite Electric Propulsion Systems

J Kim, S Guk, M Lee - Journal of Sensor Science and Technology, 2024 - koreascience.kr
Electric propulsion systems, including electrothermal, electrostatic, and electromagnetic
thrusters, are promising systems for producing thrust from satellites. These systems …

[PDF][PDF] 인공위성전기추진기관의상태진단을위한플라즈마측정장비구성에관한고찰

김진건, 국승민, 이민우 - Journal of Sensor Science and Technology, 2024 - jsstec.org
Electric propulsion systems, including electrothermal, electrostatic, and electromagnetic
thrusters, are promising systems for producing thrust from satellites. These systems …

연속연소시스템의소음기반동역학적거동에관한수치적고찰

이민우 - 한국연소학회지, 2023 - dbpia.co.kr
Combustion systems are exposed to intrinsic and extrinsic noise arising from various
sources. Contrasting the conventional viewpoint of treating noise as signal contamination …