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ThinkMind // VEHICULAR 2020, The Ninth International Conference on Advances in Vehicular Systems, Technologies and Applications // View article vehicular_2020_2_30_38003


Measurement Accuracy on Indoor Positioning System Using SS Ultrasonic Waves for Drone Applications

Authors:
Tatsuki Okada
Akimasa Suzuki

Keywords: Indoor Positioning System; SS Ultrasonic Waves; Downwash

Abstract:
This study develops a drone positioning system for use in indoor environments, including in dark places, inaccessible areas, and ordinary living environments where it is difficult to realize by any conventional methods. Various indoor applications using drones have been developed for applications such as drone communication systems and wall surface inspection, which require remote estimation of their position. For outdoor applications, a Global Navigation Satellite System (GNSS) is generally used to obtain the drone position. However, as the radiowaves of the GNSS cannot reach indoors or between buildings, camerabased methods, such as Simultaneous Localization And Sapping (SLAM), are applied to estimate the drone’s position. The system uses a noise-resistant, code-division-multiplexed Spread Spectrum (SS) ultrasonic waves for three-dimensional positioning. We develop transmitter and receiver hardware using SS ultrasonic waves and evaluate the effect of wind and sound of the positioning system during drone operations on the SS ultrasonic positioning. The accuracy of the positioning system was verified through experiments, and the results showed that a positioning accuracy within 15 cm was possible despite the effects of downwash generated by the drone’s wings.

Pages: 66 to 71

Copyright: Copyright (c) IARIA, 2020

Publication date: October 18, 2020

Published in: conference

ISSN: 2327-2058

ISBN: 978-1-61208-795-5

Location: Porto, Portugal

Dates: from October 18, 2020 to October 22, 2020

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