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GPS 기반 옥외용 로봇의 인간 추종 방법

GPS-Based Human Tracking Methods for Outdoor Robots

Journal of the Korean Society for Precision Engineering 2018;35(4):413-420.
Published online: April 1, 2018

1 제주대학교 대학원 메카트로닉스공학과

2 제주대학교 메카트로닉스공학과

1 Department of Mechatronics Engineering, Graduate School, Jeju University

2 Department of Mechatronics Engineering, Jeju University

#E-mail: jhlim@jejunu.ac.kr, TEL: +82-64-754-3712
• Received: August 16, 2017   • Revised: September 25, 2017   • Accepted: October 13, 2017

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
  • Indoor Localization of a Mobile Robot based on Unscented Kalman Filter Using Sonar Sensors
    Soo Hee Seo, Jong Hwan Lim
    Journal of the Korean Society for Precision Engineering.2021; 38(4): 245.     CrossRef
  • Extended Kalman Filter Based 3D Localization Method for Outdoor Mobile Robots
    Woo Seok Lee, Min Ho Choi, Jong Hwan Lim
    Journal of the Korean Society for Precision Engineering.2019; 36(9): 851.     CrossRef

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GPS-Based Human Tracking Methods for Outdoor Robots
J. Korean Soc. Precis. Eng.. 2018;35(4):413-420.   Published online April 1, 2018
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J. Korean Soc. Precis. Eng.. 2018;35(4):413-420.   Published online April 1, 2018
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GPS-Based Human Tracking Methods for Outdoor Robots
Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Concept of human following robot system
Fig. 2 System modeling
Fig. 3 Direct tracking method
Fig. 4 Trajectory tracking method
Fig. 5 Flow chart of autonomous path tracking
Fig. 6 Photo of the Pioneer robot
Fig. 7 Results of line tracking
Fig. 8 Results of curve tracking
Fig. 9 Experimental results of direct tracking
Fig. 10 Performance of direct tracking
Fig. 11 Experimental results of trajectory tracking
Fig. 12 Smoothing results
Fig. 13 Performance of the trajectory tracking
Fig. 14 Results of obstacle avoidance (direct tracking)
Fig. 15 Results of obstacle avoidance (trajectory tracking)
GPS-Based Human Tracking Methods for Outdoor Robots
Digital compass GPS(Robot, Human)
Accuracy ± 3o 2.5 m
Sampling rate 100 Hz 1 Hz
Human path Smoothing path Robot path
4RMS 0.18 0.11 0.13
Max. 0.62 0.39 0.28
Std. 0.16 0.09 0.90
Smoothing path Robot path
RMS 0.62 0.70
Max. 1.25 1.32
Std. 0.47 0.57
Table 1 Specifications of digital compass and GPS
Table 2 Characteristics of position error (unit: m)
Table 3 Characteristics of error for curved path (unit: m)