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ÇѱÛÁ¦¸ñ(Korean Title) µö·¯´×À» ÅëÇÑ µå·ÐÀÇ ºñÁ¤»ó Áøµ¿ ¿¹Ãø
¿µ¹®Á¦¸ñ(English Title) Deep Learning based Abnormal Vibration Prediction of Drone
ÀúÀÚ(Author) È«Áر⠠ À̾ç±Ô   Jun-Ki Hong   Yang-Kyoo Lee  
¿ø¹®¼ö·Ïó(Citation) VOL 22 NO. 03 PP. 0067 ~ 0073 (2021. 06)
Çѱ۳»¿ë
(Korean Abstract)
º» ³í¹®¿¡¼­´Â µå·ÐÀÇ Ã߶ôÀ» ¿¹¹æÇϱâ À§ÇØ µå·ÐÀÇ ÇÁ·ÎÆç·¯¿Í ¿¬°áµÈ ¸ðÅͷκÎÅÍ Áøµ¿ µ¥ÀÌÅ͸¦ ¼öÁýÇÏ°í ¼øȯ ½Å°æ¸Á(recurrent neural network, RNN)°ú long short term memory (LSTM)À» »ç¿ëÇÏ¿© µå·ÐÀÇ ºñÁ¤»ó Áøµ¿À» ¿¹ÃøÇÏ´Â ¿¬±¸¸¦ ÁøÇàÇÏ¿´´Ù. µå·ÐÀÇ ºñÁ¤»ó Áøµ¿ µ¥ÀÌÅ͸¦ ¼öÁýÇϱâ À§ÇØ µå·ÐÀÇ ÇÁ·ÎÆç·¯¿Í ¿¬°áµÈ ¸ðÅÍ¿¡ Áøµ¿ ¼¾¼­¸¦ ºÎÂøÇÏ¿© Á¤»ó, ¹Ù(bar) ¼Õ»ó, ·ÎÅÍ(rotor) ¼Õ»ó, Ãà ÈÚ¿¡ ´ëÇÑ Áøµ¿ µ¥ÀÌÅ͸¦ ¼öÁýÇÏ°í LSTM°ú RNNÀ» ÅëÇØ ºñÁ¤»ó Áøµ¿À» ¿¹ÃøÇÑ °á°úÀÇ Æò±Õ Á¦°ö±Ù ¿ÀÂ÷ (root mean square error, RMSE) °ªÀ» ºñ±³ºÐ¼® ÇÏ¿´´Ù. ½Ã¹Ä·¹ÀÌ¼Ç ºñ±³ °á°ú, RNN°ú LSTMÀ» ÅëÇØ ¿¹ÃøÇÑ °á°ú ¸ðµÎ ºñÁ¤»ó Áøµ¿ ÆÐÅÏÀ» ¸Å¿ì Á¤È®ÇÏ°Ô ¿¹ÃøÇÏ´Â °ÍÀ» È®ÀÎÇÏ¿´À¸¸ç LSTMÀ» ÅëÇØ ¿¹ÃøÇÑ Áøµ¿ÀÌ RNNÀ» ÅëÇØ ¿¹ÃøÇÑ Áøµ¿º¸´Ù RMSE°ªÀÌ Æò±Õ 15.4% ³·Àº °ÍÀ» È®ÀÎÇÏ¿´´Ù.
¿µ¹®³»¿ë
(English Abstract)
In this paper, in order to prevent the fall of the drone, a study was conducted to collect vibration data from the motor connected to the propeller of the drone, and to predict the abnormal vibration of the drone using recurrent neural network (RNN) and long short term memory (LSTM). In order to collect the vibration data of the drone, a vibration sensor is attached to the motor connected to the propeller of the drone to collect vibration data on normal, bar damage, rotor damage, and shaft deflection, and abnormal vibration data are collected through LSTM and RNN. The root mean square error (RMSE) value of the vibration prediction result were compared and analyzed. As a result of the comparative simulation, it was confirmed that both the predicted result through RNN and LSTM predicted the abnormal vibration pattern very accurately. However, the vibration predicted by the LSTM was found to be 15.4% lower on average than the vibration predicted by the RNN.
Å°¿öµå(Keyword) µö·¯´×   RNN   LSTM   µå·Ð   ¸ðÅÍ   Áøµ¿   deep learning   RNN   LSTM   drone   motor   vibration  
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