scholarly journals Position estimation of mobile robots based on coded infrared signal transmission

1997 ◽  
Vol 46 (6) ◽  
pp. 1280-1283 ◽  
Author(s):  
H. Eren ◽  
Chun Che Fung
Keyword(s):  
Mobile Robots ◽  
Signal Transmission ◽  
Position Estimation

scholarly journals Spacecraft Formation Orbit Estimation Using WLPS-Based Localization

2011 ◽  
Vol 2011 ◽  
pp. 1-12 ◽  
Author(s):  
Shu Ting Goh ◽  
Ossama Abdelkhalik ◽  
Seyed A. (Reza) Zekavat
Keyword(s):  
Antenna Arrays ◽  
High Performance ◽  
Signal Transmission ◽  
Base Station ◽  
Position Estimation ◽  
Absolute Position ◽  
Coverage Area ◽  
Spacecraft Formation ◽  
Spacecraft Formation Flying ◽  
Local Positioning System

This paper studies the implementation of a novel wireless local positioning system (WLPS) for spacecraft formation flying to maintain high-performance spacecraft relative and absolute position estimation. A WLPS equipped with antenna arrays allows each spacecraft to measure the relative range and coordinate angle(s) of other spacecraft located in its coverage area. The dynamic base station and the transponder of WLPS enable spacecraft to localize each other in the formation. Because the signal travels roundtrip in WLPS, and due to the high spacecraft velocities, the signal transmission time delay reduces the localization performance. This work studies spacecraft formation positions estimation performance assuming that only WLPS is available onboard. The feasibility of estimating the spacecraft absolute position using only one-dimensional antenna array is also investigated. The effect of including GPS measurements in addition to WLPS is studied and compared to a GPS standalone system.

scholarly journals Recognition and Position Estimation for Multiple Labware Transportation Using Kinect V2 and Mobile Robots

2017 ◽  
Vol 2 (3) ◽  
pp. 1218-1226
Author(s):  
Mohammed Myasar Ali ◽  
Hui Liu ◽  
Norbert Stoll ◽  
Kerstin Thurow
Keyword(s):  
Mobile Robots ◽  
Position Estimation ◽  
Kinect V2
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