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옥외용 이동로봇의 분산점 칼만 필터 기반 3차원 위치 인식

Unscented Kalman Filter Based 3D Localization of Outdoor Mobile Robots

Journal of the Korean Society for Precision Engineering 2020;37(5):331-338.
Published online: May 1, 2020

1 제주대학교 대학원 메카트로닉스공학과

2 제주대학교 메카트로닉스공학과

1 Department of Mechatronics Engineering, Graduate School, Jeju National University

2 Department of Mechatronics Engineering, Jeju National University

#E-mail: jhlim@jejunu.ac.kr, TEL: +82-64-754-3712
• Received: May 2, 2019   • Revised: August 20, 2019   • Accepted: September 23, 2019

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

Citations to this article as recorded by  Crossref logo
  • Research on Parameter Compensation Method and Control Strategy of Mobile Robot Dynamics Model Based on Digital Twin
    Renjun Li, Xiaoyu Shang, Yang Wang, Chunbai Liu, Linsen Song, Yiwen Zhang, Lidong Gu, Xinming Zhang
    Sensors.2024; 24(24): 8101.     CrossRef
  • A Study on Improving the Sensitivity of High-Precision Real-Time Location Receive based on UWB Radar Communication for Precise Landing of a Drone Station
    Sung-Ho Hong, Jae-Youl Lee, Dong Ho Shin, Jehun Hahm, Kap-Ho Seo, Jin-Ho Suh
    Journal of the Korean Society for Precision Engineering.2022; 39(5): 323.     CrossRef

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Unscented Kalman Filter Based 3D Localization of Outdoor Mobile Robots
J. Korean Soc. Precis. Eng.. 2020;37(5):331-338.   Published online May 1, 2020
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Unscented Kalman Filter Based 3D Localization of Outdoor Mobile Robots
J. Korean Soc. Precis. Eng.. 2020;37(5):331-338.   Published online May 1, 2020
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Unscented Kalman Filter Based 3D Localization of Outdoor Mobile Robots
Image Image Image Image Image Image Image Image Image
Fig. 1 System modeling
Fig. 2 Experimental environment
Fig. 3 Localization results
Fig. 4 Position error (RMS)
Fig. 5 Covariance
Fig. 6 Position error according to initial error (RMS)
Fig. 7 Covariance according to initial error
Fig. 8 Position error according to sampling time (RMS)
Fig. 9 Covariance according to sampling time
Unscented Kalman Filter Based 3D Localization of Outdoor Mobile Robots

Specifications of the robot

Size (m) Weight (kg) Payload (kg) Battery
0.445 × 0.393 × 0.237 9 25 12 VDC

Specifications of the sensors

Accuracy Resolution (º) Data rates (Hz)
Inclinometer 0.3° 0.05 1
DGPS 2.5 m - 1
Digital compass 0.01 100

Characteristics of the position error

(Unit: m)

Methods Max. Avg. Std.
DGPS 6.76 4.24 1.36
3D UKF 2.26 0.93 0.42
3D EKF 2.35 1.04 0.48
Table 1 Specifications of the robot
Table 2 Specifications of the sensors
Table 3 Characteristics of the position error (Unit: m)