Browse "College of Engineering(공과대학)" by Author Liu, Peipei

Showing results 48 to 63 of 63

48
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

49
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

50
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

51
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

52
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

53
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

54
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

55
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

56
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

57
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

58
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

59
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

60
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

61
Study on effect of laser-induced ablation for Lamb waves in a thin plate

Lee, Sang Eon; Liu, Peipei; Ko, Young Woo; Sohn, Hoon; Park, Byeongjin; Hong, Jung-Wuk, ULTRASONICS, v.91, pp.121 - 128, 2019-01

62
Ultrafast nonlinear ultrasonic measurement using femtosecond laser and modified lock-in detection

Liu, Peipei; Yi, Kiyoon; Park, Yejun; Sohn, Hoon, OPTICS AND LASERS IN ENGINEERING, v.150, 2022-03

63
Ultrasonic wireless sensor development for online fatigue crack detection and failure warning

Yang, Suyoung; Jung, Jinhwan; Liu, Peipei; Lim, Hyung Jin; Yi, Yung; Sohn, Hoon; Bae, In-Hwan, STRUCTURAL ENGINEERING AND MECHANICS, v.69, no.4, pp.407 - 416, 2019-02

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