Publications

RESEARCH OUTPUTS

International Journals

¹ Equal contribution · * Corresponding author(s)

2026

G. H. Ji, G.-Y. Kwon, H.-M. Seong, and S. J. Chang*, “Sensitivity Enhancement of Weak Reflection Signals in Reflectometry via Concurrent Pulse Superposition,” Applied Sciences, vol. 16, no. 18, Sep. 2026, Art. no. 9308.

C.-K. Lee¹, S. J. Chang¹, K. T. Kim, S. J. Lee, and G.-Y. Kwon*, “Length-Independent Index for Cable Degradation via Broadband Impedance Spectroscopy,” IEEE Transactions on Instrumentation and Measurement, vol. 75, Jun. 2026, Art. no. 3517110.

2025

J.-B. Lee, S. J. Chang*, G.-Y. Kwon*, and C.-K. Lee*, “Reflectometry-Based Cable Fault Diagnosis via Hierarchical IF-Ridge Estimation and SNR Gating,” IEEE Transactions on Instrumentation and Measurement, vol. 74, Dec. 2025, Art. no. 3569611.

Y.-S. Sim¹, C.-K. Lee¹, J.-S. Hwang, G.-Y. Kwon, and S. J. Chang*, “AI-based remaining useful life prediction for transmission systems: Integrating operating conditions with TimeGAN and CNN-LSTM networks,” Electric Power Systems Research, vol. 238, Jan. 2025, Art. no. 111151.

2024

H.-P. Park¹, G.-Y. Kwon¹, C.-K. Lee, and S. J. Chang*, “AI-enhanced time–frequency domain reflectometry for robust series arc fault detection in DC grids,” Measurement, vol. 238, Oct. 2024, Art. no. 115188.

S. J. Chang¹, G.-Y. Kwon¹, and C.-K. Lee*, “Assessment of cable degradation using reflectometry-based dielectric loss estimation,” IEEE Transactions on Instrumentation and Measurement, vol. 73, Sep. 2024, Art. no. 3532909.

S. S. Bang and G.-Y. Kwon*, “Reinforcement learning-based automation of time-frequency domain reflectometry,” IEEE Transactions on Industrial Electronics, vol. 71, no. 4, pp. 4171–4180, Apr. 2024.

2023

S. S. Bang and G.-Y. Kwon*, “Anomaly detection for HTS cable using stacked autoencoder and reflectometry,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, Aug. 2023, Art. no. 4800905.

S. S. Bang and G.-Y. Kwon*, “Automatic Modeling of High-Temperature Superconducting Cable Using Reinforcement Learning,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, Aug. 2023, Art. no. 5400305.

S. J. Chang and G.-Y. Kwon*, “Anomaly detection for shielded cable including cable joint using a deep learning approach,” IEEE Transactions on Instrumentation and Measurement, vol. 72, May 2023, Art. no. 3516410.

2022

Y. H. Lee, G.-Y. Kwon, and Y.-J. Shin*, “Contactless monitoring technique for live shielded cable via stepped-frequency waveform reflectometry and inductive coupler,” IEEE Transactions on Industrial Electronics, vol. 69, no. 9, pp. 9494–9503, Sep. 2022.

2021

G.-Y. Kwon and Y.-J. Shin*, “Condition monitoring technique of HTS cable via tangent distance-based template matching coefficient,” IEEE Transactions on Applied Superconductivity, vol. 31, no. 5, Aug. 2021, Art. no. 4800305.

H. Lim, G.-Y. Kwon, and Y.-J. Shin*, “Fault detection and localization of shielded cable via optimal detection of time–frequency-domain reflectometry,” IEEE Transactions on Instrumentation and Measurement, vol. 70, Jul. 2021, Art. no. 3521510.

H. M. Lee, G. S. Lee, G.-Y. Kwon, S. S. Bang, and Y.-J. Shin*, “Industrial applications of cable diagnostics and monitoring cables via time–frequency domain reflectometry,” IEEE Sensors Journal, vol. 21, no. 2, pp. 1082–1091, Jan. 2021.

2019

G. S. Lee, S. S. Bang, G.-Y. Kwon, Y. H. Lee, S.-H. Sohn, S.-C. Han, and Y.-J. Shin*, “Time–frequency-based condition monitoring of 22.9-kV HTS cable systems: Cooling process and current imbalance,” IEEE Transactions on Industrial Electronics, vol. 66, no. 10, pp. 8116–8125, Oct. 2019.

C.-K. Lee, G.-Y. Kwon, Y. H. Lee, G. S. Lee, S. S. Bang, and Y.-J. Shin*, “Insulation characteristics and fault analysis of HTS cable via stepped frequency waveform reflectometry,” IEEE Transactions on Applied Superconductivity, vol. 29, no. 5, Aug. 2019, Art. no. 5401905.

G.-Y. Kwon, S. S. Bang, Y. H. Lee, G. S. Lee, and Y.-J. Shin*, “Modeling of high-temperature superconducting cable via time domain reflectometry and general regression neural network,” IEEE Transactions on Applied Superconductivity, vol. 29, no. 5, Aug. 2019, Art. no. 5401605.

G.-Y. Kwon, C.-K. Lee, and Y.-J. Shin*, “Diagnosis of shielded cable faults via regression-based reflectometry,” IEEE Transactions on Industrial Electronics, vol. 66, no. 3, pp. 2122–2131, Mar. 2019.

C.-K. Lee, G.-Y. Kwon, and Y.-J. Shin*, “Condition assessment of I&C cables in nuclear power plants via stepped-frequency waveform reflectometry,” IEEE Transactions on Instrumentation and Measurement, vol. 68, no. 1, pp. 215–224, Jan. 2019.

2018

S. H. Kim, G. Lee, G.-Y. Kwon, D.-I. Kim, and Y.-J. Shin*, “Deep learning based on multi-decomposition for short-term load forecasting,” Energies, vol. 11, no. 12, Dec. 2018, Art. no. 3433.

G. S. Lee, G. H. Ji, G.-Y. Kwon, S. S. Bang, Y. H. Lee, S.-H. Sohn, K. Park, and Y.-J. Shin*, “Monitoring method for an unbalanced three-phase HTS cable system via time-frequency domain reflectometry,” IEEE Transactions on Applied Superconductivity, vol. 28, no. 4, Jun. 2018, Art. no. 2500205.

2017

S. S. Bang, G. S. Lee, G.-Y. Kwon, Y. H. Lee, G. H. Ji, S. Sohn, K. Park, and Y.-J. Shin*, “Detection of local temperature change on HTS cables via time-frequency domain reflectometry,” Journal of Physics: Conference Series, vol. 871, no. 1, Jul. 2017, Art. no. 012100.

C.-K. Lee, G.-Y. Kwon, S. J. Chang, M. K. Jung, J. B. Park, H.-S. Kim, and Y.-J. Shin*, “Real-time condition monitoring of LOCA via time–frequency domain reflectometry,” IEEE Transactions on Instrumentation and Measurement, vol. 66, no. 7, pp. 1864–1873, Jul. 2017.

G.-Y. Kwon, C.-K. Lee, G. S. Lee, Y. H. Lee, S. J. Chang, C.-K. Jung, J.-W. Kang, and Y.-J. Shin*, “Offline fault localization technique on HVDC submarine cable via time–frequency domain reflectometry,” IEEE Transactions on Power Delivery, vol. 32, no. 3, pp. 1626–1635, Jun. 2017.

G. S. Lee, G.-Y. Kwon, S. S. Bang, Y. H. Lee, S.-H. Sohn, K. Park, and Y.-J. Shin*, “Monitoring electrical and thermal characteristics of HTS cable systems via time–frequency domain reflectometry,” IEEE Transactions on Applied Superconductivity, vol. 27, no. 4, Jun. 2017, Art. no. 9000605.

Y. H. Lee, S. S. Bang, G.-Y. Kwon, G. S. Lee, G. H. Ji, S.-H. Sohn, K. Park, and Y.-J. Shin*, “Analysis of wave propagation of HTS cables for compensation of thermal loss on connectors,” IEEE Transactions on Applied Superconductivity, vol. 27, no. 4, Jun. 2017, Art. no. 4801105.

2016

S. S. Bang, G. S. Lee, G.-Y. Kwon, Y. H. Lee, S. J. Chang, C.-K. Lee, S. Sohn, K. Park, and Y.-J. Shin*, “Modeling and simulation of HTS cables for scattering parameter analysis,” Physica C: Superconductivity and its Applications, vol. 530, pp. 142–146, Nov. 2016.

G. S. Lee, G.-Y. Kwon, S. S. Bang, Y. H. Lee, S. J. Chang, S.-H. Sohn, K. Park, and Y.-J. Shin*, “Time–frequency-based insulation diagnostic technique of high-temperature superconducting cable systems,” IEEE Transactions on Applied Superconductivity, vol. 26, no. 4, Jun. 2016, Art. no. 5401005.