ICUAS'17 Paper Abstract

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Paper ThA4.1

Sanchez-Cuevas, P. J. (Universidad de Sevilla), Heredia, Guillermo (University of Seville), Ollero, Anibal (Universidad de Sevilla)

Multirotor UAS for Bridge Inspection by Contact Using the Ceiling Effect

Scheduled for presentation during the "UAS Applications - IV" (ThA4), Thursday, June 15, 2017, 10:00−10:20, Lummus Island

2017 International Conference on Unmanned Aircraft Systems, June 13-16, 2017, Miami Marriott Biscayne Bay, Miami, FL,

This information is tentative and subject to change. Compiled on July 22, 2019

Keywords UAS Applications

Abstract

The inspection of bridges and other infrastructure with UAVs when the sensors need to be in contact with the surface (i.e. ultrasound for crack inspection or reflector prism for beam deflection) is a great challenge due to the coupling which occurs between the aerial and the inspection problems. This paper presents a new design of a multirotor UAV that can be used in some of these applications to eliminate the coupling and to be able to carry out the inspection by contact in a more effective way. The proposed solution uses the so-called ceiling effect to maintain in contact a specially designed aerial platform to the ceiling. So, the coupling disappears because the multirotor is still in contact with the ceiling in a fixed position while performing inspection. Moreover, the presented results show that making use of the ceiling effect also improved the maximum flight time of the platform. The solution is presented with experimental results in a test stand and flight tests representing a bridge inspection application (Fig. 1). A video of the experiments is also included.

 

 

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