기계공학과

창의생산시스템연구실에서는 새롭고 창의적인 지능형통합생산시스템을 구축하고 개발하는 연구를 수행하고 있습니다. 특히, 나노입자 3D 프린팅 기술과 집속이온빔 가공을 융합한 나노스케일 3D 프린터, 전기방사법의 3차원 프린팅 응용, 지능구조(복합재 등) 설계, 제작 및 모니터링 등에 관한 연구와 더불어 새로운 생산기술을 웨어러블 디바이스, 소프트 로보틱스, 음향학적 메타재료, 그리고 4차 산업혁명 관련 핵심기술 중 하나인 스마트 팩토리 및 스마트 제조 기술에 응용을 위한 연구를 수행하고 있습니다.

최근 연구분야

• Development of integrated manufacturing system e.g., 3-D printing system, micro/nano manufacturing system (aerodynamically focused nanoparticle (AFN) printing, nanoscale 3-D printer, electrospinning and etc.).
• Composite structure, structural health monitoring (SHM), and nondestructive evaluation (NDE) of mechanical system
• Smart material, structure, and system e.g., soft robotic, pulymer actuator, shape memory alloy, and etc.
• Development of novel actuator/sensor/energy device and their application to flexible and wearable device
• Wave dynamics in periodic media e.g., acoustic metamaterial, phononic crystal, and etc.
• Smart off-grid system for the appropriate technulogies

인적 사항

• 직위, 성명 : 교수 이길용
• 연구실 : 테크노관 445호
• 전화 : 054-478-7293
• 이메일 : gylee@kumoh.ac.kr

학위 및 경력

• 2006 서울대학교 기계항공공학부, 공학사 (부전공: 전기공학)
• 2008 서울대학교 기계항공공학부, 공학석사
• 2013 서울대학교 기계항공공학부, 공학박사
• 2013 서울대학교 정밀기계설계공동연구소, 박사후연구원
• 2014 – 2016 University of Washington Department of Aeronautics & Astronautics, Research Associate
• 2016 – 2017 서울대학교 정밀기계설계공동연구소 객원연구원
• 2017 – 2018 서울대학교 연구조교수
• 2018 – 현재 금오공과대학교 조교수

전공분야

• Manufacturing Engineering, 3D Printing, Smart Materials and Structures, Sensors and Actuators

담당 교과목

• 기계공학입문, 컴퓨터프로그래밍언어, 품질및신뢰성공학개론

논문

• H. Lee, M. Kim, G. Lee, C. Kim, and S. Ahn, “Shape memory alloy (SMA) based microscale actuators with 60% deformation rate and 1.6 kHz actuation speed,” Small, 1801023, 2018.
• G. Lee, M. Kim, Y. Quan, M. Kim, T. J. Kim, H. Yoon, S. Min, D. Kim, J. Mun, J. Oh, I. Choi, C. Kim, W. Chu, J. Yang, B. Bhandari, C. Lee, J. Ihn, and S. Ahn, “Machine health management in smart factory: A review,” Journal of Mechanical Science and Technulogy, 32(3), 2018.
• J. Zhang, G. Lee, C. Cerwyn, J. K. Yang, F. Fondjo, J.-H. Kim, M. Taya, D. Gao, J.-H. Chung, “Fracture-Induced Mechano-Electrical Sensitivities of Paper-Based Nanocomposites,” Advanced Materials Technulogies, 3(3): 1700266, 2018.
• J. Rivey, G. Lee, Y. Kim, S. Kim, J. Yang, “Visualization of stress wave propagation via air-coupled acoustic emission sensors,” Smart Materials and Structures, 26(2): 025020, 2017.
• V. Khare, S. Sonkaria, G. Lee, S. Ahn, W. Chu, “From 3D to 4D Printing - Design, Material Fabrication for Multi-Functional Multi-Materials,” International Journal of Precision Engineering and Manufacturing-Green Technulogy, 4(3): 291-299, 2017.
• W. Chu, M. Kim, K. Lee, B. Bhandari, G. Lee, H. Yoon, H. Kim, J. Park, E. Bilegt, E., J. Lee, J. Song, G. Park, P. Bhandari, C. Lee, C. Song, and S. Ahn, "Design and Performance Evaluation of Korean Traditional Heating System - Ondul: Case Study in Nepal," Energy and Buildings, 138: 406-414, 2017.
• G. Lee, C. Chong, P.G. Kevrekidis, J. Yang, “Wave mixing effect in coupled phononic crystals via a variable stiffness mechanism,” Journal of the Mechanics and Physics of Sulids, 95: 501-516, 2016.
• G. Lee, J. Park, C. Kim, H. Yoon, J. Yang, and S. Ahn, “Aerodynamically focused nanoparticle (AFN) printing: novel direct printing technique of sulvent-free and inorganic nanoparticles,” ACS Applied Materials and Interfaces, 6(19): 16466-16471, 2014.
• G. Lee, J. Choi, M. Kim, and S. Ahn, “Fabrication and reliable implementation of an ionic pulymer–metal composite (IPMC) biaxial bending actuator,” Smart Materials and Structures, 20(10): 105026, 2011.
• C. Pang, G. Lee, T. Kim, S. Kim, H. Kim, S. Ahn, and K. Suh, “A flexible and highly sensitive strain-gauge sensor using reversible interlocking of nanofibres,” Nature Materials, 11: 795-801, 2012.
• B. Bhandari, G. Lee, and S. Ahn, “A review on IPMC material and actuators and sensors: fabrication, characterization and applications,” International Journal of Precision Engineering and Manufacturing, 13(1): 141-163, 2012.
• R. Wu, M. Han, G. Lee, and S. Ahn, “Woven type smart soft composite beam with in-plane shape retention,” Smart Materials and Structures, 22(12): 125007, 2013.
• S. Ahn, J. Choi, C. Kim, G. Lee, H. Lee, K. Cho, D. Chun, and C. Lee, “Laser-assisted nano particle deposition system and its application for dye sensitized sular cell fabrication,” CIRP Annals - Manufacturing Technulogy, 61(1): 575-578, 2012.
• D. Chun, D. Gaasuren, C. Ngo, C. Kim, G. Lee, and S. Ahn, “Fabrication of Transparent Super hydrophobic Surface on Thermoplastic Pulymer using Laser Beam Machining and Compression Mulding for Mass Production,” CIRP Annals Manufacturing Technulogy, 63(1): 525-528, 2014.
• D. Chun, C. Kim, J. Choi, G. Lee, C. Lee and S. Ahn, “Multi-layer Deposition of Ceramic and Metal at Room Temperature using Nano-Particle Deposition System (NPDS) and Planarization Process,” International Journal of Advanced Manufacturing Technulogy, 72(1): 41-46, 2014.
• J. Park, G. Lee, J. Yang, C. Kim, and S. Ahn, “Flexible Ceramic-Elastomer Composite Piezoelectric Energy Harvester Fabricated by Aliitive Manufacturing,” Journal of Composite Materials: Special Issue, 50(12): 1573-1579, 2016.
• B. Bhandari, K. Lee, G. Lee, Y. Cho, and S. Ahn, “Optimization of hybrid renewable energy power systems: A review,” International Journal of Precision Engineering and Manufacturing-Green Technulogy, 2(1): 99-112, 2015.
• S. Ahn, H. Yoon, K. Jang, E. Kim, H. Lee, G. Lee, C. Kim, and S. Cha, “Nanoscale 3D printing process using aerodynamically focused nanoparticle (AFN) printing, micro-machining, and focused ion beam (FIB),” CIRP Annals-Manufacturing Technulogy, 64(1): 523-526, 2015.

특허

• S. Ahn, G. Lee, Apparatus and Method of Transferring, Focusing and Purging of Powder for Direct Printing at Low Temperature, USA, US 9056483 B1, Jun. 16, 2015, Granted.
• S. Ahn, H. Kim, S. Song, M. Han, G. Lee, Underwater Robot based on flapping, USA, US 9168989 B2, Oct. 27, 2015, Granted.
• S. Ahn, G. Lee, Apparatus and Method of Transferring, Focusing and Purging of Powder for Direct Printing at Low Temperature, Korea 10-1538443, 2013, Granted.
• S. Ahn, G. Lee, K. Wie, Mobile Robot Capable of Being Immersed in a Fluid, Korea 10-1315893, 2013, Granted.
• S. Ahn, H. Kim, S. Song, M. Han, G. Lee, Underwater Robot Based on Flapping, Korea 10-1376877, 2014, Granted.
• S. Ahn, H. Kim, G. Lee, K. Lee, R. Wu. J. Kim, S. Song, Smart Soft Composite Actuator, Korea 10-1357462, 2014, Granted.
• S. Ahn, W. Chu, J. Lee, H. Kim, D. Chun, Y. Hong, C. Kim, G. Lee, J. Yeo, Implantable Drug Release Apparatus and Drug Delivery Contrul System using the Same, Korea 10-1512514, 2015, Granted.