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앵커-태그 보정을 통한 사전 구축 SLAM 지도 내 UWB 단독 로봇 위치 추정 기법에 관한 기초 타당성 검토

Van-Tung Ha1, 정명수1, 박송은2, 김형준1, 백종환1, 이재열3orcid

A Feasibility Study on UWB-only Robot Localization in Pre-built SLAM Maps via Anchor-TAG Calibration

Van-Tun Ha1, Myeongsu Jeong1, Song Eun Park2, HyungJun Kim1, Jonghwan Baek1, Jaeyoul Lee3orcid
JKSPE 2026;43(6):579-587. Published online: June 1, 2026
1한국로봇융합연구원 제조AX로봇연구단 제조휴머노이드통합연구팀
2한국로봇융합연구원 제조AX로봇연구단 제조AI자율화연구팀
3한국로봇융합연구원 제조AX로봇연구단

1Manufacturing Humanoid Integration Research Team, Manufacturing AX Robotics Research Group, Korea Institute of Robotics & Technology Convergence
2Manufacturing AI Autonomy Research Team, Manufacturing AX Robotics Research Group, Korea Institute of Robotics & Technology Convergence
3Manufacturing AX Robotics Research Group, Korea Institute of Robotics & Technology Convergence
Corresponding author:  Jaeyoul Lee, Tel: +82-54-240-2599, 
Email: jylee0914@kiro.re.kr
Received: 28 November 2025   • Revised: 17 January 2026   • Accepted: 28 January 2026
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Accurate localization in industrial environments is challenging due to factors such as dust and reflections that degrade perception. To overcome these limitations, we propose an environment-independent localization method that relies solely on ultra-wideband (UWB) positioning. Our system employs LiDAR-SLAM in an offline stage to create a global map frame and calibrate the transformation between this frame and the UWB anchors. During operation, the robot estimates its position using a Kalman filter applied to UWB measurements transformed into the map frame. This paper presents a preliminary feasibility study conducted in an office-like environment to verify the core calibration and localization pipeline. The results show that the proposed method effectively aligns UWB positions with a pre-built SLAM map, achieving a 94% reduction in root-mean-square error (RMSE) compared to raw UWB measurements when validated against LiDAR-SLAM ground truth. This initial verification establishes the technical viability of the framework and lays the groundwork for future validation in harsh, large-scale industrial settings.

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A Feasibility Study on UWB-only Robot Localization in Pre-built SLAM Maps via Anchor-TAG Calibration
J. Korean Soc. Precis. Eng.. 2026;43(6):579-587.   Published online June 1, 2026
Download Citation

Download a citation file in RIS format that can be imported by all major citation management software, including EndNote, ProCite, RefWorks, and Reference Manager.

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A Feasibility Study on UWB-only Robot Localization in Pre-built SLAM Maps via Anchor-TAG Calibration
J. Korean Soc. Precis. Eng.. 2026;43(6):579-587.   Published online June 1, 2026
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