Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Sebum Chun"'
Publikováno v:
Journal of Positioning, Navigation, and Timing. 5:145-156
Publikováno v:
Journal of Positioning, Navigation, and Timing. 4:173-180
Publikováno v:
Proceedings of the 31st International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2018).
Publikováno v:
GPS Solutions. 20:63-75
Relative navigation based on GPS receivers and inertial measurement units is required in many applications including formation flying, collision avoidance, cooperative positioning, and accident monitoring. Since sensors are mounted on different vehic
Autor:
Sung Jin Kang, Sebum Chun, Je Young Lee, JoonHoo Lim, Kwang Ho Choi, Hee Sung Kim, Hyung Keun Lee
Publikováno v:
Journal of Positioning, Navigation, and Timing. 3:1-10
Recently, monitoring of two-body ground vehicles carrying extremely hazardous materials has been considered as one of the most important national issues. This issue induces large cost in terms of national economy and social benefit. To monitor and co
Publikováno v:
The Journal of Korea Navigation Institute. 17:810-815
In case Wi-Fi network based First responder`s position tracking system is used, range measurement must be generated from RSSI finger print database. However, it is impossible to build up finger print database and to perform rescue operation at same t
Autor:
Jeongrae Kim, Jiyun Lee, Sebum Chun, Dae Hee Won, Young Jae Lee, Seung Woo Lee, Sangkyung Sung
Publikováno v:
International Journal of Control, Automation and Systems. 11:1196-1203
This paper proposes weighted dilution of precision (WDOP) as an indicator of the accuracy of position and attitude in vision-based navigation. WDOP accurately represents the tendencies of navigational errors. It is obtained by weighted least squares.
Autor:
Sebum Chun, Moon-Beom Heo
Publikováno v:
The Journal of Korea Navigation Institute. 16:738-743
Kalman filter is generally used in INS/GPS integrated navigation filter. However, the INS with low performance inertia sensor can not find accurate azimuth in initial alignment stage because sensor noise level is too large compare to Earth rotation r
Publikováno v:
International Journal of Control, Automation and Systems. 10:288-297
A single vision system is the simplest vision-based method of simultaneous localization and mapping (SLAM) but it cannot reduce navigation errors that occur in the direction of the optical axis of vision sensors. Moreover, the limited observation are
Publikováno v:
Journal of the Korean Society for Aeronautical & Space Sciences. 39:535-542
The Global Navigation Satellite System(GNSS) is being utilized in numerous applications. The research for autonomous guided vehicles(AGVs) using precise positioning of GNSS is in progress. GNSS based AGVs is useful for setting driving path. This AGV