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2021, Volume 22, Issue 7

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Frontiers of Information Technology & Electronic Engineering >> 2021, Volume 22, Issue 7 doi: 10.1631/FITEE.2000149

Motor speed estimation and failure detection of a small UAV using density of maxima

Affiliation(s): Laboratory of System Engineering and Robotics, Federal University of Paraiba, Joao Pessoa, Brazil; Department of Information Systems, Federal University of Piaui, Picos, Brazil; Department of Mechanical Engineering, Federal University of Paraiba, Joao Pessoa, Brazil; Department of Physics, Federal University of Paraiba, Joao Pessoa, Brazil; less

Received: 2020-04-04 Accepted: 2021-07-20 Available online: 2021-07-20
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Abstract

This work presents the application of the technique named signal analysis based on using density of maxima to analyze brushless direct current motors. It uses a correlation coefficient estimated from the density of maxima of the current signal. This study demonstrates in experiments the speed estimation of a brushless motor on a testbench and in a small flying drone. The experimental results demonstrate that it is possible to estimate the speed in 97.8% of the cases and to detect failure in 82.75% of the analyzed cases.

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