Showing results 1 to 60 of 63
A reference-free and non-contact method for detecting and imaging damage in adhesive-bonded structures using air-coupled ultrasonic transducers![]() Sunarsa, Timotius Yonathan; Aryan, Pouria; Jeon, Ikgeun; Park, Byeongjin; Liu, Peipei; Sohn, Hoon, MATERIALS, v.10, no.12, 2017-12 |
Accelerated noncontact laser ultrasonic scanning for damage detection using combined binary search and compressed sensing Park, Byeongjin; Sohn, Hoon; Liu, Peipei, MECHANICAL SYSTEMS AND SIGNAL PROCESSING, v.92, pp.315 - 333, 2017-04 |
Application of nonlinear ultrasonic analysis for in situ monitoring of metal additive manufacturing Liu, Peipei; Yang, Liu; Yi, Kiyoon; Kundu, Tribikram; Sohn, Hoon, STRUCTURAL HEALTH MONITORING-AN INTERNATIONAL JOURNAL, v.22, no.3, pp.1760 - 1775, 2023-05 |
Automated visualization of steel structure coating thickness using line laser scanning thermography Hwang, Soonkyu; Kim, Hyeonjin; Lim, Hyung Jin; Liu, Peipei; Sohn, Hoon, AUTOMATION IN CONSTRUCTION, v.139, 2022-07 |
Baseline-free damage visualization using noncontact laser nonlinear ultrasonics and state space geometrical changes Liu, Peipei; Sohn, Hoon; Park, Byeongjin, SMART MATERIALS AND STRUCTURES, v.24, no.6, 2015-06 |
Baseline-free fatigue crack detection based on spectral correlation and nonlinear wave modulation Liu, Peipei; Sohn, Hoon; Yang, Suyoung; Lim, Hyung Jin, SMART MATERIALS AND STRUCTURES, v.25, no.12, 2016-12 |
Binding conditions for nonlinear ultrasonic generation unifying wave propagation and vibration Lim, Hyung Jin; Sohn, Hoon; Liu, Peipei, APPLIED PHYSICS LETTERS, v.104, no.21, 2014-05 |
Bridge displacement estimation by fusing accelerometer and strain gauge measurements Ma, Zhanxiong; Chung, Junyeon; Liu, Peipei; Sohn, Hoon, STRUCTURAL CONTROL & HEALTH MONITORING, v.28, no.6, 2021-06 |
Coating thickness estimation in silicon wafer using ultrafast ultrasonic measurement Liu, Peipei; Yi, Kiyoon; Sohn, Hoon, Health Monitoring of Structural and Biological Systems IX 2020, SPIE, 2020-04-22 |
Damage detection using sideband peak count in spectral correlation domain Liu, Peipei; Sohn, Hoon, JOURNAL OF SOUND AND VIBRATION, v.411, pp.20 - 33, 2017-12 |
Damage visualization using synchronized noncontact laser ultrasonic scanning Liu, Peipei; Sunarsa, Timotius Yonathan; Sohn, Hoon, SPIE Smart Structures/NDE 2016, SPIE, 2016-03-21 |
Detection of a micro crack on a rotating steel shaft using noncontact ultrasonic modulation measurement Jeon, Ikgeun; Liu, Peipei; Sohn, Hoon, WCCM 2019, ISCM, 2019-12-02 |
Detection of a Micro-crack on a Rotating Steel Shaft Using Noncontact Ultrasonic Modulation Measurement Jeon, Ikgeun; Liu, Peipei; Sohn, Hoon, 2nd World Congress on Condition Monitoring, WCCM 2019, pp.617 - 623, Springer Science and Business Media Deutschland GmbH, 2019-12-02 |
Development of a "stick-and-detect" wireless sensor node for fatigue crack detection Liu, Peipei; Lim, Hyung Jin; Yang, Suyoung; Sohn, Hoon; Lee, Cheul Hee; Yi, Yung; Kim, Deawoo; et al, STRUCTURAL HEALTH MONITORING-AN INTERNATIONAL JOURNAL, v.16, no.2, pp.153 - 163, 2017-03 |
Development of a tunable low-frequency vibration energy harvester and its application to a self-contained wireless fatigue crack detection sensor Yang, Suyoung; Jung, Sung-Youb; Kim, Kiyoung; Liu, Peipei; Lee, Sangmin; Kim, Jaeha; Sohn, Hoon, STRUCTURAL HEALTH MONITORING-AN INTERNATIONAL JOURNAL, v.18, no.3, pp.920 - 933, 2019-05 |
Development of an active wireless sensor node for fatigue crack detection using nonlinear wave modulation Liu, Peipei; Lim, Hyung Jin; Yang, Suyoung; Sohn, Hoon; Park, Hyung Chul; Yi, Yung; Ha, Dong Sam, The 2nd International Conference on Structural Health Monitoring and Integrity Management, ICSHMIM, 2014-09-26 |
Development of nonlinear spectral correlation between ultrasonic modulation components Liu, Peipei; Sohn, Hoon, NDT and E International, v.91, pp.120 - 128, 2017-10 |
Estimation of silicon wafer coating thickness using ultrasound generated by femtosecond laser Liu, Peipei; Yi, Kiyoon; Sohn, Hoon, Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems, v.4, no.1, pp.1 - 21, 2021-01 |
Fatigue crack detection by nonlinear spectral correlation with a wideband input Liu, Peipei; Sohn, Hoon, SPIE Conference on Health Monitoring of Structural and Biological Systems, SPIE International Symposium, 2017-03-25 |
Fatigue crack detection in rotating steel shafts using noncontact ultrasonic modulation measurements Jeon, Ikgeun; Lim, Hyung Jin; Liu, Peipei; Park, Byeongjin; Heinze, Andreas; Sohn, Hoon, ENGINEERING STRUCTURES, v.196, 2019-10 |
Fatigue crack detection using dual laser induced nonlinear ultrasonic modulation Liu, Peipei; Jang, Jinho; Yang, Suyoung; Sohn, Hoon, OPTICS AND LASERS IN ENGINEERING, v.110, pp.420 - 430, 2018-11 |
Fatigue Crack Localization Using Laser Nonlinear Wave Modulation Spectroscopy(LNWMS) Liu, Peipei; Sohn, Hoon; Kundu, Tribikram, 비파괴검사학회지, v.34, no.6, pp.419 - 427, 2014-12 |
Fatigue crack localization using noncontact laser ultrasonics and state space attractors Liu, Peipei; Sohn, Hoon; Yang, Suyoung; Kundu, Tribikram, JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, v.138, no.2, pp.890 - 898, 2015-08 |
Fatigue crack visualization using noncontact laser ultrasonics and state space geometrical changes Liu, Peipei; Sohn, Hoon, SPIE International Symposia, Smart Structures & Materials and Nondestructive Evaluation for Health Monitoring and Diagnostics, SPIE, 2015-03-09 |
Femtosecond laser ultrasonic inspection of a moving object and its application to estimation of silicon wafer coating thickness Yi, Kiyoon; Liu, Peipei; Park, Seong-Hyun; Sohn, Hoon, OPTICS AND LASERS IN ENGINEERING, v.148, 2022-01 |
Finite element modeling of ultrasonic wave propagation induced by a pulse laser Liu, Peipei; Ab Wahab, Nazirah; Sohn, Hoon, 한국전산구조공학회 정기학술대회 2016, 한국전산구조공학회, 2016-04-13 |
High-sampled structural displacement estimation through the FIR filter-based two-stage fusion of high-sampled acceleration and temporally aliased low-sampled displacement measurements Ma, Zhanxiong; Liu, Peipei; Choi, Jaemook; Sohn, Hoon, MECHANICAL SYSTEMS AND SIGNAL PROCESSING, v.208, 2024-02 |
In situ and layer-by-layer grain size estimation in additively manufactured metal components using femtosecond laser ultrasonics Park, Seong-Hyun; Yi, Kiyoon; Liu, Peipei; Choi, Gwanghwo; Jhang, Kyung-Young; Sohn, Hoon, JOURNAL OF LASER APPLICATIONS, v.35, no.2, 2023-05 |
Laser based impedance measurement for pipe corrosion and bolt-loosening detection Yang, Jin-Yeol; Liu, Peipei; Yang, Suyoung; Lee, Hyeonseok; Sohn, Hoon, SMART STRUCTURES AND SYSTEMS, v.15, no.1, pp.41 - 55, 2015-01 |
Laser induced narrowband ultrasound for fatigue crack detection Liu, Peipei; Jang, Jinho; Sohn, Hoon, 9th European Workshop on Structural Health Monitoring, EWSHM 2018, NDT.net, 2018-07 |
Laser ultrasonic scanning using binary search Park, Byeongjin; Sohn, Hoon; Liu, Peipei, The 8th European Workshop on Structural Health Monitoring, European Workshop on Structural Health Monitoring, 2016-07-06 |
METHOD OF FEEDBACK CONTROLLING 3D PRINTING PROCESS IN REAL-TIME AND 3D PRINTING SYSTEM FOR THE SAME Sohn, Hoon; Jeon, Ikgeun; Liu, Peipei |
Method of feedback controlling 3D printing process in real-time and 3D printing system for the same Sohn, Hoon; Jeon, Ikgeun; Liu, Peipei |
METHOD OF INSPECTING STRUCTURE AND INSPECTION SYSTEM Sohn, Hoon; Liu, Peipei; Jang, Jinho |
METHOD OF INSPECTING STRUCTURE AND INSPECTION SYSTEM Sohn, Hoon; Liu, Peipei; Jang, Jin-Ho |
Motion magnification-based nonlinear ultrasonic signal enhancement and its application to remaining fatigue life estimation of a steel padeye Liu, Peipei; Ma, Zhanxiong; Jang, Jinho; Sohn, Hoon, MECHANICAL SYSTEMS AND SIGNAL PROCESSING, v.200, 2023-10 |
Non-contact visualization of nonlinear ultrasonic modulation for reference-free fatigue crack detection Lim, Hyung Jin; Sohn, Hoon; Liu, Peipei, SPIE International Symposia, SPIE, 2014-03-09 |
Non-destructive testing of metal-based additively manufactured parts and processes: a review Rao, Jing; Sing, Swee Leong; Liu, Peipei; Wang, Jilai; Sohn, Hoon, VIRTUAL AND PHYSICAL PROTOTYPING, v.18, no.1, 2023-12 |
Noncontact debonding identification in adhesive using guided waves Sunarsa, Timotius Yonathan; Park, Byeongjin; Liu, Peipei; Sohn, Hoon, The 2016 World Congress on Advances in Civil, Environmental, and Materials Research, World Congress on Advances in Civil, Environmental, and Materials Research, 2016-08-28 |
Noncontact detection of fatigue cracks by laser nonlinear wave modulation spectroscopy (LNWMS) Liu, Peipei; Sohn, Hoon; Kundu, Tribikram; Yang, Suyoung, NDT & E INTERNATIONAL, v.66, pp.106 - 116, 2014-09 |
Noncontact fatigue crack detection using nonlinear wave modulation spectroscopy (NWMS) Liu, Peipei; Sohn, Hoon; Kundu, Tribikram, The 166th Acoustical Society of America meeting, Acoustical society of america, 2013-12-06 |
Noncontact laser ultrasonic inspection of weld defect in lithium-ion battery cap Choi, Seungjun; Liu, Peipei; Yi, Kiyoon; Sampath, Santhakumar; Sohn, Hoon, JOURNAL OF ENERGY STORAGE, v.73, 2023-12 |
Nonlinear spectral correlation for fatigue crack detection under noisy environments Liu, Peipei; Sohn, Hoon; Jeon, Ikgeun, JOURNAL OF SOUND AND VIBRATION, v.400, pp.305 - 316, 2017-07 |
Nonlinear ultrasonic analysis inspired by phase-based motion magnification Liu, Peipei; Ma, Zhanxiong; Jang, jinho; Sohn, Hoon, SPIE Smart Structures + Nondestructive Evaluation 2023, SPIE, 2023-03-14 |
Nonlinear ultrasonic modulation for damage detection Sohn, Hoon; Lim, Hyung Jin; Park, Byeong Jin; Liu, Peipei; Song, Byeong Ju; Kim, Yong Tak, International Conference Vibroengineering 2015, JVE, 2015-09-26 |
Numerical and experimental analyses of pulse laser-generated ultrasound Liu, Peipei; Ab Wahab, Nazirah; Sohn, Hoon, CANSMART 2015: International Conference on Smart Materials and Structures, SMN 2015: 5th International Conference on Smart Materials and Nanotechnology in Engineering, CANSMART, SMN, 2015-07-16 |
Numerical simulation of damage detection using laser-generated ultrasound Liu, Peipei; Nazirah, Ab Wahab; Sohn, Hoon, ULTRASONICS, v.69, pp.248 - 258, 2016-07 |
Online monitoring and process control during metal additive manufacturing Sohn, Hoon; Liu, Peipei; Jeon, Ikgeun; Yi, Kiyoon; Park, Seong Hyun; Shin, Subin, The 10th European Workshop on Structural Health Monitoring, EWSHM, 2022-07-07 |
Porosity inspection in directed energy deposition additive manufacturing based on transient thermoreflectance measurement Liu, Peipei; Yi, Kiyoon; Jeon, Ikgeun; Sohn, Hoon, NDT & E INTERNATIONAL, v.122, 2021-09 |
POROSITY INSPECTION IN METAL DIRECTED ENERGY DEPOSITION USING FEMTOSECOND LASER BASED TRANSIENT THERMOREFLECTANCE MEASUREMENT Liu, Peipei; Yi, Kiyoon; Sohn, Hoon, 2021 48th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2021, American Society of Mechanical Engineers (ASME), 2021-07 |
Pulsed laser-assisted additive manufacturing of Ti-6Al-4V for in-situ grain refinement Yoon, Hansol; Liu, Peipei; Park, Yejun; Choi, Gwanghyo; Choi, Pyuck-Pa; Sohn, Hoon, SCIENTIFIC REPORTS, v.12, no.1, 2022-12 |
Real-time Geometry Assessment using Laser Line Scanner during Laser Powder Directed Energy Deposition Additive Manufacturing of SS316L Component with Sharp Feature Yang, Liu; Sohn, Hoon; Wang, Boyu; Cheng, Jack CP; Liu, Peipei, 23rd International Conference on Construction Applications of Virtual Reality, CONVR2023, Università Degli Studi Di Firenze, 2023-11-14 |
Real-time layer height estimation during multi-layer directed energy deposition using domain adaptive neural networks Yang, Liu; Sohn, Hoon; Ma, Zhanxiong; Jeon, Ikgeun; Liu, Peipei; Cheng, Jack C. P., COMPUTERS IN INDUSTRY, v.148, 2023-06 |
Real-time porosity reduction during metal directed energy deposition using a pulse laser Sohn, Hoon; Liu, Peipei; Yoon, Hansol; Yi, Kiyoon; Yang, Liu; Kim, Sangjun, JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, v.116, pp.214 - 223, 2022-07 |
Reference-free fatigue crack detection using deep long short-term memory network (DLSTM) and nonlinear ultrasonic modulation Jang, Jinho; Liu, Peipei; Kwon, Ohjun; Choi, Jaemook; Ma, Zhanxiong; Sohn, Hoon, NDT & E INTERNATIONAL, v.137, 2023-07 |
Reliability improvement of nonlinear ultrasonic modulation based fatigue crack detection using feature-level data fusion Lim, Hyung Jin; Kim, Yongtak; Sohn, Hoon; Jeon, Ikgeun; Liu, Peipei, SMART STRUCTURES AND SYSTEMS, v.20, no.6, pp.683 - 696, 2017-12 |
Silicon wafer crack detection using nonlinear ultrasonic modulation induced by high repetition rate pulse laser Jang, Jinho; Liu, Peipei; Kim, Byunggi; Kim, Seung-woo; Sohn, Hoon, OPTICS AND LASERS IN ENGINEERING, v.129, 2020-06 |
Structural damage detection using nonlinear and noncontact laser ultrasonic techniques = 비선형 및 비접촉식 레이저 초음파 기술을 이용한 구조물 손상 감지 기술link Liu, Peipei; Sohn, Hoon; et al, 한국과학기술원, 2017 |
Structural displacement estimation by fusing vision camera and accelerometer using hybrid computer vision algorithm and adaptive multi-rate Kalman filter Ma, Zhanxiong; Choi, Jaemook; Liu, Peipei; Sohn, Hoon, AUTOMATION IN CONSTRUCTION, v.140, 2022-08 |
Structural displacement estimation using high-sampling acceleration and temporally-aliased low-sampling vision measurements Ma, Zhanxiong; Liu, Peipei; Choi, Jaemook; Sohn, Hoon, SPIE Smart Structures + Nondestructive Evaluation 2023, SPIE, 2023-03-15 |
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