NDLI: Research on RTK tilt position measurement method based on UKF

Content Provider	IET Digital Library
Author	Nie, Bo Chen, Guiming Liu, Bingqi
Abstract	Aiming at coordinates of some points cannot be measured directly due to the limits of terrain and instruments in actual measurement, a novel real-time kinematic (RTK) tilt position measurement method is proposed in this study. Traditional GPS static measurement method cannot gain positioning results real time. In contrast, RTK can provide real-time 3D positioning results of stations in specified coordinate system and the positioning error is centimetre scale. Taking coordinates of points on spherical model as observation, the coordinates of measurement points are got indirectly through estimating positions of sphere centre based on unscented Kalman filter (UKF). Three schemes are designed to verify the performance of the proposed method through convergence and estimated errors. As the semi-physical simulation shows, the proposed method has better performance and is simple and easy to operate. Besides, the proposed method can smooth noise of measurement points and it can realise centimetre-level position accuracy without any auxiliary equipment, which effectively avoids measurement error caused by centering rod tilt.
Starting Page	2102
Ending Page	2106
Page Count	5
ISSN	17518784
Volume Number	13
e-ISSN	17518792
Issue Number	Issue 12, Dec (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rsn/13/12
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rsn.2019.0128
Journal	IET Radar, Sonar & Navigation
Publisher Date	2019-08-13
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Actual Measurement Centering Rod Tilt Centimetre-level Position Accuracy Convergence Estimated Error Filtering Method in Signal Processing Global Positioning System Kalman Filter Measurement Error Measurement Point Nonlinear Filter Position Control Position Measurement Position Measurement Method Positioning Error Radio Navigation And Direction Finding Real-time Kinematic Result Real Time RTK Spatial Variables Control Spatial Variables Measurement Specified Coordinate System Taking Coordinate Terrain Traditional GPS Static Measurement Method UKF
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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