Publications

• "Vibration-informed neural network for characterizing 3D-printed soft auxetic structures"
  Dohyun Ahn+, Taeyong Park, Yunho Lee, Yewon Jang, Jaehwan Kim*, Yunsang Kwak*, 2024.

• "Evaluation of dynamic properties of thermal barrier coating according to heat cycles based on sandwich beam theory"
  Seon-Gyu Kim+,  Minsu Kim, Semin Park, Jaehun Cho*, Yunsang Kwak*, 2024.

• "Generative tandem neural network for restoring optical disturbance in extreme conditions"
  Taeyong Park+, Zahyun Ku, Yunsang Kwak*, 2024.

• "Learning-based optimization of double layer asymmetric micro-polarizer in the MWIR region"
  Ryuna Kang+, Jehwan Hwang+, Jun Oh Kim, Zahyun Ku, Yunsang Kwak*, To be submitted, 2024.

• "Physics-informed neural network for predicting frequency responses of non-uniform beams"
  Semin Park+, Jongwook Park, Yunsang Kwak*, 2024.

• "YOLO-based leak detection in road vehicles via interaction noise between jet-air and leak holes"
  Chanmin Park+, Semin Park, Ryuna Kang, Yunsang Kwak*, 2024.

[2024]

1. "Domain-collaborative multimodal learning by tensor representation for fault diagnosis of rotary machines"
   Seon-Gyu Kim+, Ryuna Kang, Taeyong Park, Zahyun Ku, Yunsang Kwak*
   Under review, 2024.

2. "Characterization of gasoline direct injection engine noise incorporated with impulsive injection noise from high-pressure injectors"
   Ryuna Kang+, Junhong Park, Yunsang Kwak*
   Under review, 2024.

3. "Localized defect evaluation method based on beam-coupled vibration"
   Chanmin Park+, Semin Park, Junhong Park, Yunsang Kwak*
   Under review, 2024.

4. "Wave propagation-based characterization of 3D-printed soft auxetic structures"
   Taeyong Park+, Yewon Jang+, Dohyun Ahn, Yunho Lee, Yunsang Kwak*, Jaehwan Kim*
   Under review, 2024.

5. "Ultrafast high-temperature sintering of reaction bonded SiC with Y2O3-Al2O3 sintering additives"
   Sangha Shin+, Minsu Kim, Minwook Kim, Unseo Kim, Seon-Gyu Kim, Yunsang Kwak*, Jaehun Cho*
   Under review, 2024.

6. "Isothermal flash sintering of aluminum nitride-yttria ceramics"
   Unseo Kim+,Nafees Hassan+, Kati Raju, Seon-Gyu Kim, Minsoo Kim, Juyeong Lee, Seunghwan Moon, Minwook Kim, Sangha Shin, Yunsang Kwak, Sung-Soo Ryu, Jaehun Cho*
   Ceramics International, 2024. [Link]

7. "Ultrafast high-temperature sintering of aluminum nitride"
   Minwook Kim+, Unseo Kim+, Seon-Gyu Kim, Yunsang Kwak, Sung-Soo Ryu, Jaehun Cho*
   Journal of the European Ceramic Society, 2024 [Link].

8. "Static and Dynamic Mechanical Properties of Aluminum Nitride-Silicon Carbide Whisker Composites"
   Juyeong Lee+, Minsu Kim+, Semin Park+, Seon-Gyu Kim, Jiseok Kwon, Yunsang Kwak*, Jaehun Cho*,
   Journal of Alloys and Compounds, 2024. [Link]

9. "Face mask recognition AI-algorithm with MobileNetV2-based neural network for automatic door control in Intensive Care Unit (ICU)"
   Chanmin Park+, Wojong Kim, Min Seob Park, Taeyong Park, Yunsang Kwak*,
   Journal of the Korean Society for Precision Engineering, 2024. [Link]

10. "mHealth color accuracy of colorimetric detection for bioassays and bioimaging"
    Sang Mok Park+, Yuhyun Ji, Semin Kwon, Jung Woo Leem, Yunsang Kwak, Andrew R. O'Brien, Ying Wang, Young L. Kim*,
    Under review, 2024.

[2023]

11. "Numerical investigation of heat transfer in aluminum nitride ceramics with engineered microstructures"
    Semin Park+, Minsu Kim+, Seon-Gyu Kim, Sangha Shin, Byeongho Ahn, Sung-Soo Ryu, Jaehun Cho*, Yunsang Kwak*
    Materials Letters, 2023. [Link]

[2022]

12. "Edible matrix code with photogenic silk proteins"
    Jung Woo Leem+, Heejae Jeon, Yuhyun Ji, Sang Mok Park, Yunsang Kwak, Jongwoo Park, Kee-Young Kim, Seong-Wan Kim, Young L. Kim*
    ACS Central Science, 2022. [Link]

[ - 2021]

13. “Ultrasonic assessment of osseointegration phenomena at the bone-implant interface using convolutional neural network”
    Yunsang Kwak+, Vu-Hieu Nguyen, Yoann Hériveaux, Pierre Belanger, Junhong Park, Guillaume Haïat*
    Journal of the Acoustical Society of America, 2021. [Link]

14. “Convolutional neural network trained with synthesized pseudo-images for detecting an acoustic source”
    Yunsang Kwak+, Deukha Kim, Hyukju Ham, Junhong Park*
    Applied Acoustics, 2021. [Link]

15. “Compressive recovery of smartphone RGB spectral sensitivity functions”
    Yuhyun Ji, Yunsang Kwak, Sang Mok Park, Young L. Kim*
    Optics express, 2021. [Link]

16. “A pearl spectrometer”
    Yunsang Kwak+, Sang Mok Park, Zahyun Ku, Augustine M. Urbas, Young L. Kim*
    Nano Letters, 2020 (Cover art). [Link]

17.  “Rattle noise source localization through the time reversal of dispersive vibration signals on a road vehicle”
    Yunsang Kwak+, Sang Mok Park, Jongho Lee, Junhong Park*
    Wave Motion, 2019. [Link]

18. “Direct evaluation method to measure permittivity and conductivity of thin layers via wave approach in the THz region”
    Yunsang Kwak+, Sang Mok Park, Sinyeob Lee, Hak-Sung Kim, Ju Lee, Junhong Park*
    AIP Advances, 2019. [Link]

19. “Nondestructive spot weld quality evaluation by measurement of structural vibration transfer through joined panels”
    Sang Mok Park+, Yunsang Kwak, Jongho Lee, Junhong Park*
    Journal of nondestructive evaluation, 2019. [Link]

20. “Experimental study to investigate the structural integrity of welded vehicle structure for BSR noise by vibration measurement”
    Yunsang Kwak+, Jongho Lee, Junhong Park*
    The Journal of the Acoustical Society of Korea, 2019. [Link]

21. “Investigation of the perception characteristics of multiple impact sounds occurring from the manipulation of electronic devices”
    Seongyoung Jeong+, Buhm Park, Yunsang Kwak, Junhong Park*
    Journal of Mechanical Science and Technology, 2019. [Link]

22. “Dynamic properties of bolted joints in laminated composites evaluated using flexural wave propagation”
    Yunsang Kwak+, Sang Mok Park, Junhong Park*
    Mechanics Research Communications, 2018. [Link]

23. “Effect of substrates on the dynamic properties of inkjet-printed Ag thin films”
    Yunsang Kwak+, Deokman Kim+, Junhong Park*
    Applied sciences, 2018. [Link]

24. “Effect of the static compressive load on vibration propagation in multistory buildings and resulting heavyweight floor impact sounds”
    Yunsang Kwak+, Sinyeob Lee, Jeongwon Park, Dukyoung Hwang, Jin Yong Jeon, Junhong Park*
    Journal of the Acoustical Society of America, 2017. [Link]

25. “Study on the optimal design of PMa-SynRM loading ratio for achievement of ultrapremium efficiency”
    Dong-Hoon Jung, Yunsang Kwak, Ju lee, Chang-Sung Jin
    IEEE Transactions on Magnetics, 2017. [Link]

26. “Temporal and spectral characteristics of BSR noises and influence on auditory perception”
    Jongho Lee+, Sinyeob Lee, Yunsang Kwak, Boseung Kim, Junhong Park*
    Journal of Mechanical Science and Technology, 2015. [Link]

• "실제 환경에서의 특징 시각화 딥러닝 알고리즘을 이용한 소리 신호 분류 방법 및 그 시스템 (A METHOD FOR CLASSIFYING SOUND SIGNALS USING A DEEP LEARNING ALGORITHM FOR FEATURE VISUALIZATION IN A REAL ENVIRONMENT AND ITS SYSTEM)",  Yunsang Kwak, Jongwook Park, Dohyun Ahn, Jinhyuk Park, Korea Patent, 10-2024-0153750 (2024)

• "신경망 모델에 기초하여 방문객의 마스크 착용 여부를 판단하여 도어의 개폐 여부를 결정하는 도어 장치 및 그 제어 방법 (DOOR DEVICE FOR DETERMINING OPENING AND CLOSING OF DOOR BY DETERMINING VISITOR IS WEARING MASK BASED ON NEURAL NETWORK MODEL AND MOTHOD FOR CONTROLLING THEREOF)", Yunsang Kwak,  Chanmin Park, Taeyong Park, Minseob Park, Wojong Kim, Korea Patent, 10-2024-0016175 (2024)

• “진동 모델링을 이용한 복합재의 동적 물성 특성을 평가하는 방법 및 그 장치 (Method for evaluating dynamic mechanical properties of composite materials using vibration modeling and apparatus thereof)”, Yunsang Kwak, Jaehun Cho, Semin Park, Seon-Gyu Kim, Minsu Kim, Juyoung Lee, Korea Patent, 10-2023-0152944 (2023)

• “3차원 프린팅 격자구조물의 동적 특성을 평가하는 방법 및 시스템 (Method for evaluating dynamic characteristics of 3D printed lattice structures and systems thereof)”, Yunsang Kwak, Jaehwan Kim, Taeyong Park, Dohyun Ahn, Yewon Jang, Korea Patent, 10-2023-0130204 (2023)

• “부분 공진을 이용한 구조물의 결함 검출 및 그 장치 (Method for detecting defects in structures based on a vibration and apparatus thereof)”, Yunsang Kwak, Semin Park, Chanmin Park, Korea Patent, 10-2023-0118541 (2023)

• “인공 신경망을 이용한 회전 기계의 고장 진단 시스템 및 그 방법 (System for diagnosing fault in rotating equipment based on artificial intelligence and method)”, Yunsang Kwak, Ryuna Kang, Seon-Gyu Kim, Taeyong Park, Hyerim Baek, Korea Patent 10-2022-0112079 (2022)

• “Pearl-inspired hyperspectral filter array”, Young L. Kim, Yunsang Kwak, Jungwoo Leem, US Patent US20220146727A1 (2022)

• “Welding evaluation method based on dynamic element by measuring vibrations on welded joint structure”, Yunsang Kwak, Sang Mok Park, Junhong Park, Korea Patent 10-1825054 (2018)

• “Joining quality diagnosis device of panel element”, Yunsang Kwak, Junhong Park, US Patent 10254251B2 (2019) & Korea Patent 10-1865745 (2018)

• “Hole detection method of vehicle and system performing the same”, Yunsang Kwak, Sangkeun Ahn, Junhong Park, US Patent 9863835B2 (2018) & China Patent 201613090606.X (2016) & Korea Patent 10-1776729 (2017)