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Digital Twin

Overview

๋””์ง€ํ„ธ ํŠธ์œˆ(digital twin)์€ ๋ฏธ๊ตญย ์ œ๋„ˆ๋Ÿด ์ผ๋ ‰ํŠธ๋ฆญ(GE)์ด ์ฃผ์ฐฝํ•œ ๊ฐœ๋…์œผ๋กœ, ์ปดํ“จํ„ฐ์— ํ˜„์‹ค ์† ์‚ฌ๋ฌผ์˜ ์Œ๋‘ฅ์ด๋ฅผ ๋งŒ๋“ค๊ณ , ํ˜„์‹ค์—์„œ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ๋Š” ์ƒํ™ฉ์„ ์ปดํ“จํ„ฐ๋กœ ์‹œ๋ฎฌ๋ ˆ์ด์…˜ํ•จ์œผ๋กœ์จ ๊ฒฐ๊ณผ๋ฅผ ๋ฏธ๋ฆฌ ์˜ˆ์ธกํ•˜๋Š” ๊ธฐ์ˆ ์ด๋‹ค. ๋””์ง€ํ„ธ ํŠธ์œˆ์€ ์ œ์กฐ์—…๋ฟ ์•„๋‹ˆ๋ผ ๋‹ค์–‘ํ•œ ์‚ฐ์—…ยท์‚ฌํšŒ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•  ์ˆ˜ ์žˆ๋Š” ๊ธฐ์ˆ ๋กœ ์ฃผ๋ชฉ ๋ฐ›๋Š”๋‹ค.[1][2]ย ๊ทธ๋ฆฌ๊ณ  ๊ธฐ๋ณธ์ ์œผ๋กœ๋Š” ๋‹ค์–‘ํ•œ ๋ฌผ๋ฆฌ์  ์‹œ์Šคํ…œ์˜ ๊ตฌ์กฐ, ๋งฅ๋ฝ, ์ž‘๋™์„ ๋‚˜ํƒ€๋‚ด๋Š” ๋ฐ์ดํ„ฐ์™€ ์ •๋ณด์˜ ์กฐํ•ฉ์œผ๋กœ, ๊ณผ๊ฑฐ์™€ ํ˜„์žฌ์˜ ์šด์šฉ ์ƒํƒœ๋ฅผ ์ดํ•ดํ•˜๊ณ  ๋ฏธ๋ž˜๋ฅผ ์˜ˆ์ธกํ•  ์ˆ˜ ์žˆ๋Š” ์ธํ„ฐํŽ˜์ด์Šค๋ผ๊ณ  ํ•  ์ˆ˜ ์žˆ๋‹ค. ๋ฌผ๋ฆฌ์  ์„ธ๊ณ„๋ฅผ ์ตœ์ ํ™”ํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉ๋  ์ˆ˜ ์žˆ๋Š” ๊ฐ•๋ ฅํ•œ ๋””์ง€ํ„ธ ๊ฐ์ฒด๋กœ์„œ, ์šด์šฉ ์„ฑ๋Šฅ๊ณผ ์‚ฌ์—… ํ”„๋กœ์„ธ์Šค๋ฅผ ๋Œ€ํญ ๊ฐœ์„ ํ•  ์ˆ˜ ์žˆ๋‹ค.[3]
Aย digital twinย is a virtual representation that serves as the real-time digital counterpart of a physical object or process. Though the concept originated earlier (attributed to Michael Grieves, then of the University of Michigan, in 2002) the first practical definition of digital twin originated from NASA in an attempt to improve physical model simulation of spacecraft in 2010.[1]ย Digital twins are the result of continual improvement in the creation of product design and engineering activities. Product drawings and engineering specifications progressed from handmade drafting to computer aided drafting/computer aided design to model-based systems engineering.
The digital twin of a physical object is dependent on theย digital threadโ€”the lowest level design and specification for a digital twinโ€”and the "twin" is dependent on the digital thread to maintain accuracy. Changes to product design are implemented usingย engineering change ordersย (ECO). An ECO made to a component item will result in a new version of the item's digital thread, and correspondingly to the digital twin.

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์„ค๋ช…๊ฐ€๋Šฅํ•œ AI ๊ธฐ๋ฐ˜ ๋””์ง€ํ„ธํŠธ์œˆ (XAI-DTw) ์ž์œจ์šด์˜ ์„œ๋น„์Šค ๊ธฐ์ˆ  ๊ฐœ๋ฐœ

์ง€์› ๊ธฐ๊ด€ : ์‚ฐ์—…ํ†ต์ƒ์ž์›๋ถ€
์‚ฌ์—…๋ช… : ์ง€์‹์„œ๋น„์Šค์‚ฐ์—…๊ธฐ์ˆ ๊ฐœ๋ฐœ์‚ฌ์—…
1.
๋””์ง€ํ„ธํŠธ์œˆ ์ง€์‹์‚ฌ๋ฌผ์ธํ„ฐ๋„ท (IoT)์„ ํ†ตํ•ด ์‹ค์ œ ๋ฐ์ดํ„ฐ๋ฅผ ์ž…๋ ฅ๋ฐ›๊ณ , ์ธ๊ณต์ง€๋Šฅ (AI) ๊ธฐ์ˆ ์„ ํ†ตํ•ด ์ž…๋ ฅ๋œ ๋ฐ์ดํ„ฐ์— ๋Œ€ํ•œ ์˜ํ–ฅ์„ ์˜ˆ์ธก ๋˜๋Š” ์‹œ๋ฎฌ๋ ˆ์ด์…˜ํ•˜์—ฌ, ๊ทธ ์ถœ๋ ฅ๊ฐ’์„ ๊ธฐ๋ฐ˜์œผ๋กœ ๋ฌผ๋ฆฌ์  ๊ฐ์ฒด๋ฅผ ์ตœ์ ํ™”ํ•˜์—ฌ ์šด์˜ํ•  ์ˆ˜ ์žˆ๋„๋ก ์ง€์›
2.
์„ค๋ช…๊ฐ€๋Šฅํ•œ AI ์ธ๊ณต์ง€๋Šฅ์ด ์ž…๋ ฅ๋œ ๋ฐ์ดํ„ฐ๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ๋„์ถœ๋œ ํŠน์ • ํŒ๋‹จ๊ฒฐ๊ณผ์˜ ๊ณผ์ •๊ณผ ์ด์œ ๋ฅผ ์‚ฌ๋žŒ์ด ์ดํ•ดํ•  ์ˆ˜ ์žˆ๋„๋ก ์ œ๊ณตํ•˜๋Š” ๊ธฐ์ˆ ๋กœ์„œ, ์ด๋ฅผ ํ†ตํ•ด ๋””์ง€ํ„ธํŠธ์œˆ์ด ํŠน์ • ์ƒํ™ฉ์— ๋Œ€ํ•ด ์ž…๋ ฅ๋œ ๋ฐ์ดํ„ฐ๋ฅผ ์ฒ˜๋ฆฌ ๋ฐ ๋ถ„์„ํ•˜์—ฌ ์˜์‚ฌ๊ฒฐ์ • ๊ฒฐ๊ณผ (insights)๋ฅผ ๋„์ถœํ•˜๋Š” ๊ณผ์ •๊ณผ ๊ทผ๊ฑฐ๋ฅผ ํšจ๊ณผ์ ์œผ๋กœ ์ œ์‹œํ•  ์ˆ˜ ์žˆ๋Š” ์„œ๋น„์Šค ์ œ๊ณต
3.
์„ค๋ช…๊ฐ€๋Šฅํ•œ AI ๊ธฐ๋ฐ˜ ๋””์ง€ํ„ธํŠธ์œˆ ์‹ค์‹œ๊ฐ„ ์ˆ˜์ง‘ ๋ฐ์ดํ„ฐ๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ์‹ค๊ฐํ˜• 3D ๋ชจ๋ธ๋กœ ์ž๋™์ƒ์„ฑ ๋‚ด์žฌ๋œ ํ•™์Šต๋ชจ๋ธ์„ ํ†ตํ•ด ๋ฌธ์ œ์ƒํ™ฉ์— ๋Œ€ํ•œ ์›์ธ๊ณผ ๊ฒฐ๊ณผ ๋ฐ ํ•ด๊ฒฐ๋ฐฉ์•ˆ์„ ๋„์ถœ ๋„์ถœ๋œ ๊ฒฐ๊ณผ๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ๋Œ€์‘ํ•˜๋Š” ์ „ ๊ณผ์ •์„ ๋Šฅ๋™์ ์œผ๋กœ ์ˆ˜ํ–‰ํ•˜๋Š” ์ž์œจ์šด์˜ ๋””์ง€ํ„ธํŠธ์œˆ์˜ ์ƒ์„ฑ์—์„œ๋ถ€ํ„ฐ ํ™œ์šฉ๊นŒ์ง€์˜ ์ „ ๊ณผ์ •์„ ์ž์œจํ™”ํ•˜๊ณ , ์ด๋ฅผ ์œ„ํ•œ ์ˆ˜๋ฆฌ์ ์ด๊ณ  ๋…ผ๋ฆฌ์ ์ธ ๋ชจ๋ธ๋“ค์˜ ์‚ฌ๊ณ ์ฒด๊ณ„๋ฅผ ์‚ฌ์šฉ์ž์—๊ฒŒ ์ดํ•ดํ•  ์ˆ˜ ์žˆ๋Š” ๋ฐฉ๋ฒ•์œผ๋กœ ์ œ์‹œ

Publications

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Year
Title
Venue
Tag
Authors
URL
Date
Index
Award
2024
Computer Methods in Applied Mechanics and Engineering
Data Reconstruction
Artificial Intelligence
Digital Twin
Youngkyu Kim, Youngsoo Choi, Byounghyun Yoo
https://doi.org/10.1016/j.cma.2024.116978
2024/06/01
SCIE
2024
Automation in Construction
3D Scanning
Digital Twin
Robotics
Inhwan Dennis Lee, Ji Hyun Seo, Byounghyun Yoo
https://doi.org/10.1016/j.autcon.2024.105291
2024/04/01
SCIE
SCOPUS
2024
Internet of Things
IoT
IFPS
Digital Twin
Chanhyuk Lee, Jisoo Kim, Heedong Ko, Byounghyun Yoo
https://doi.org/10.1016/j.iot.2023.101014
2024/04/01
SCIE
SCOPUS
2024
ํ•œ๊ตญCDEํ•™ํšŒ ๋™๊ณ„ํ•™์ˆ ๋Œ€ํšŒ
WebXR
Remote Collaboration
XR
Robotics
Digital Twin
Se Hyeon Park, Kunyeol Na, Byounghyun Yoo
2024/01/31 โ†’ 2024/02/01
2024
ํ•œ๊ตญCDEํ•™ํšŒ ๋™๊ณ„ํ•™์ˆ ๋Œ€ํšŒ
WebXR
Remote Collaboration
Robotics
XR
Digital Twin
Kunyeol Na, Se Hyeon Park, Jae Hong Yoo, Byounghyun Yoo
2024/01/31 โ†’ 2024/02/01
Best Poster Award
2024
ํ•œ๊ตญCDEํ•™ํšŒ ๋™๊ณ„ํ•™์ˆ ๋Œ€ํšŒ
Artificial Intelligence
Explainable AI
Digital Twin
Machine Learning
Data Reconstruction
Youngkyu Kim, Qingkai Kong, Youngsoo Choi, Byounghyun Yoo
2024/01/31 โ†’ 2024/02/01
2024
ํ•œ๊ตญCDEํ•™ํšŒ ๋™๊ณ„ํ•™์ˆ ๋Œ€ํšŒ
IoT
Digital Twin
Aheun Kwak, Woojae Kim, Byounghyun Yoo, Heedong Ko
2024/01/31 โ†’ 2024/02/01
2024
IEEE International Conference on Consumer Electronics
IoT
Digital Twin
Muhammad Atif, Byounghyun Yoo, Heedong Ko
https://doi.org/10.1109/ICCE59016.2024.10444143
2024/01/05 โ†’ 2024/01/08
SCOPUS
2024
IEEE International Conference on Consumer Electronics
IoT
Digital Twin
Woojae Kim, Aheun Kwak, Byounghyun Yoo, Heedong Ko
https://doi.org/10.1109/ICCE59016.2024.10444244
2024/01/05 โ†’ 2024/01/08
SCOPUS
2023
ํ•œ๊ตญCDEํ•™ํšŒ ํ•˜๊ณ„ํ•™์ˆ ๋Œ€ํšŒ
Digital Twin
Artificial Intelligence
Machine Learning
Explainable AI
Data Reconstruction
Youngkyu Kim, Youngsoo Choi, Byounghyun Yoo
2023/08/23 โ†’ 2023/08/26
2023
ํ•œ๊ตญCDEํ•™ํšŒ ํ•˜๊ณ„ํ•™์ˆ ๋Œ€ํšŒ
Digital Twin
XR
Virtual Reality
Augmented Reality
WebXR
Remote Collaboration
Rehabilitation
Kunyeol Na, Hyeokmin Lee, Ye Eun Kim, Byounghyun Yoo
2023/08/23 โ†’ 2023/08/26
2023
IEEE International Conference on Acoustics, Speech and Signal Processing
Artificial Intelligence
Digital Twin
Jisoo Kim, Hyebin Ahn, Byounghyun Yoo
https://doi.org/10.1109/ICASSP49357.2023.10095412
2023/06/04 โ†’ 2023/06/10
SCOPUS
2023
IEEE Consumer Electronics Magazine
Digital Twin
IoT
Shapna Muralidharan, Byounghyun Yoo, Heedong Ko
https://doi.org/10.1109/MCE.2022.3151023
2023/05/01
SCIE
SCOPUS
2022
ACM International Conference on 3D Web Technology (Web3D)
XR
Virtual Reality
WebXR
Webizing
Digital Twin
Remote Collaboration
Moonsik Park, Byounghyun Yoo, Jee Young Moon, Ji Hyun Seo
https://doi.org/10.1145/3564533.3564565
2022/11/02 โ†’ 2022/11/04
SCOPUS
Best Paper Award
2022
ํ•œ๊ตญCDEํ•™ํšŒ ํ•˜๊ณ„ํ•™์ˆ ๋Œ€ํšŒ
Digital Twin
IoT
Explainable AI
Jisoo Kim, Muhammad Atif, Jee Young Moon, Chanhyuk Lee, Jaephil Choi, Byounghyun Yoo
2022/08/24 โ†’ 2022/08/26
2022
Journal of Computational Design and Engineering
IoT
Digital Twin
Machine Learning
Muhammad Atif, Shapna Muralidharan, Heedong Ko, and Byounghyun Yoo
https://doi.org/10.1093/jcde/qwac037
2022/05/23
SCIE
SCOPUS
2021
ACM International Conference on 3D Web Technology (Web3D)
XR
WebXR
Remote Collaboration
Digital Twin
Virtual Reality
Augmented Reality
Yongjae Lee, Byounghyun Yoo, Soo-Hong Lee
https://doi.org/10.1145/3485444.3487642
2021/11/08 โ†’ 2021/11/12
2021
Journal of Computational Design and Engineering
3D Scanning
Computer Vision
Machine Learning
Robotics
Digital Twin
Ji Hyun Seo, Inhwan Dennis Lee, Byounghyun Yoo
https://doi.org/10.1093/jcde/qwab049
2021/09/15
SCIE
SCOPUS
2021
Journal of Computational Design and Engineering
XR
Remote Collaboration
Virtual Reality
Augmented Reality
WebXR
Military
Digital Twin
Webizing
Yongjae Lee, Byounghyun Yoo
https://doi.org/10.1093/jcde/qwab012
2021/04/28
SCIE
SCOPUS
2020
Journal of Computational Design and Engineering
IoT
Digital Twin
Machine Learning
Muhammad Atif, Shapna Muralidharan, Heedong Ko, Byounghyun Yoo
https://doi.org/10.1093/jcde/qwaa048
2020/10/13
SCIE
SCOPUS
2020
IEEE International Conference on Multisensor Fusion and Integration for Intelligent Systems (MFI)
Digital Twin
IoT
Artificial Intelligence
Computer Vision
Chanwoong Lee, Hyorim Choi, Shapna Muralidharan, Heedong Ko, Byounghyun Yoo, Gerard J. Kim
https://doi.org/10.1109/MFI49285.2020.9235269
2020/09/14 โ†’ 2020/09/16
2020
IEEE Transactions on Robotics
Computer Vision
3D Scanning
Machine Learning
Robotics
Digital Twin
Inhwan Dennis Lee, Ji Hyun Seo, Young Min Kim, Jonghyun Choi, Soonhung Han, Byounghyun Yoo
https://doi.org/10.1109/TRO.2020.2980161
2020/08/01
SCIE
SCI
SCOPUS
2020
IEEE International Conference on Consumer Electronics (ICCE)
Digital Twin
IoT
Shapna Muralidharan, Byounghyun Yoo, Heedong Ko
https://doi.org/10.1109/ICCE46568.2020.9043088
2020/01/04 โ†’ 2020/01/06
2019
ํ•œ๊ตญCDEํ•™ํšŒ ํ•˜๊ณ„ํ•™์ˆ ๋Œ€ํšŒ
Computer Vision
3D Scanning
Machine Learning
Robotics
Digital Twin
Ji Hyun Seo, Inhwan Lee, Byounghyun Yoo
2019/08/19 โ†’ 2019/08/22
Best Poster Award
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