Construction Robotics Spatial Referencing With Seoul National University (2021.10 ~ 2023.06) XR-HRI for Work-at-Height With Ministry of Science and ICT, South Korea (2023.07 ~ 2023.12) Multipurpose Robotic Platform and XR-Based Human-Robot Collaboration for Work at Height in Construction Joint Project by the Ministry of Land, Infrastructure and Transport & Ministry of Trade, Industry and Energy, South Korea (2025.04 ~ 2029.12) Others Mid-High Rise Modular Construction With Korea Agency for Infrastructure Technology Advancement (2014.09 ~ 2023.06) Smart Safety Sensors With Korea Occupational Safety and Health Agency (2023.05 ~ 2023.11)