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Current Result Document :
5
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ÇѱÛÁ¦¸ñ(Korean Title)
Àü¹® ¼³ºñÀÇ ÀÌ»ó½ÅÈ£ 󸮸¦ À§ÇÑ Àúºñ¿ë °üÁ¦ ½Ã½ºÅÛ ±¸Ãà
¿µ¹®Á¦¸ñ(English Title)
An Architecture for Managing Faulty Sensing Data on Low Cost Sensing Devices over Manufacturing Equipments
ÀúÀÚ(Author)
äÀ¯³ª
±èâ±Ô
°íÇ϶÷
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Yuna Chae
Changi Kim
Haram Ko
Woongsup Kim
¿ø¹®¼ö·Ïó(Citation)
VOL 07 NO. 03 PP. 0113 ~ 0120 (2018. 03)
Çѱ۳»¿ë
(Korean Abstract)
º» ¿¬±¸¿¡¼´Â °øÀå ³»ºÎÀÇ ¼³ºñÀÇ µ¿ÀÛÀÇ ÀÌ»ó À¯¹«¸¦ Àú°¡ÀÇ ¼¾¼¸¦ »ç¿ëÇÏ¿© ¸ð´ÏÅ͸µÇÏ°í À̸¦ È®ÀÎÇÒ ¼ö ÀÖµµ·Ï ÇÏ´Â ½Ã½ºÅÛÀ» ±¸ÇöÇÏ¿´´Ù. Àú°¡ÀÇ ¼¾¼µéÀº Àú·ÅÇÑ ºñ¿ëÀ¸·Î ³ÐÀº Àå¼Ò¿¡ ´Ù·®ÀÇ ±â±âµé¿¡ ¼³Ä¡ÇÒ ¼ö ÀÖ´Ù´Â ÀåÁ¡À» °¡ÁöÁö¸¸ ¼¾¼ÀÇ ¿ÀÀÛµ¿ ¹× ¼¾¼ÀÇ Á¤È®¼º ¹®Á¦·Î Á¤È®ÇÑ °¨½Ã¿Í È®ÀÎÀÌ ¾î·Á¿öÁø´Ù´Â ´ÜÁ¡À» °¡Áø´Ù. µû¶ó¼ Àú°¡ÀÇ ¼¾¼¸¦ »ç¿ëÇÏ°Ô µÇ¸é »ý»ê¼³ºñ¿¡¼ ¹ß»ýÇÏ´Â µ¥ÀÌÅͷκÎÅÍ ÀÌ»ó °ªÀ» ±¸ºÐÇÏ¿© ÀÌ»ó»óȲ¿¡ ´ëÇÑ ¼¾¼ÀÇ ¿ÀÀÛµ¿ÀÎÁö ¶Ç´Â ¼³ºñÀÇ °íÀåÀÎÁö ¿©ºÎ¸¦ ÆÇ´ÜÇÏ°í À̸¦ ¾Ë¶÷À» ÅëÇØ È®ÀÎÇÒ ¼ö ÀÖ´Â ¸ð´ÏÅ͸µ ½Ã½ºÅÛÀÌ Çʼö·Î ±¸ÃàµÇ¾î¾ß ÇÑ´Ù. º» ¿¬±¸¿¡¼ ¿ì¸®´Â Àú°¡ÀÇ ¼¾¼µé¿¡¼ °¨ÁöµÈ Á¤»ó ¹üÀ§¸¦ ¹þ¾î³ª´Â µ¥ÀÌÅÍ °ª¿¡¼ ¼¾¼ÀÇ ¿ÀÀÛµ¿°ú ¼³ºñÀÇ °íÀå¿©ºÎ¸¦ ±¸ºÐÇÒ ¼ö ÀÖ´Â ½Ã½ºÅÛÀ» ±¸ÇöÇÏ¿´À¸¸ç À̸¦ À§ÇØ ¿ì¸®´Â °¡ÁßÀ̵¿ Æò±Õ¹ý°ú Ǫ¸®¿¡ º¯È¯ ±â¹Ý ½ÅÈ£ °ËÁõ ½Ã½ºÅÛÀ» È¥ÇÕÇÑ ½Ã½ºÅÛÀ» ¼³°è ±¸ÇöÇÏ¿´´Ù. À̸¦ ÅëÇØ ¼³ºñ¿¡¼ Á¤»ó¹üÀ§¸¦ ¹þ¾î³ª´Â °ªµéÀÌ °¨ÁöµÇ´Â °æ¿ì À̵éÀ» ±â±âÀÇ ÀÌ»ó°ú ¼¾¼ÀÇ ÀÌ»ó »óȲÀ¸·Î ±¸ºÐÇÒ ¼ö ÀÖµµ·Ï ÇÏ¿´À¸¸ç ½ÇÇè°á°ú Àüü ÀÌ»ó ½ÅÈ£ °ª Áß¿¡ 1/3¿¡ ÇØ´çÇÏ´Â ºÎºÐÀ» ¼¾¼ÀÇ ÀÌ»ó »óȲÀ¸·Î ºÐ·ù Á¤»óó¸®ÇÏ°í ÀÖÀ½À» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. ¶ÇÇÑ ¿ì¸®´Â ¸ð´ÏÅ͸µ ½Ã½ºÅÛÀÇ ±¸Ãà ºñ¿ë Àý°¨À» À§ÇØ Á¤º¸¸¦ ¹«¼±Åë½ÅÀ¸·Î Àü¼ÛÇϵµ·Ï ÇÏ¿´À¸¸ç ÀÛµ¿ ¼¾½Ì Á¤º¸µéÀ» ºñÁ¤Çü µ¥ÀÌÅÍ·Î ±¸Çö ó¸®Çϵµ·Ï ÇÏ¿© ´Ù¼öÀÇ ¼¾¼¿¡¼ ¼öÁýµÈ ´ë±Ô¸ðÀÇ Á¤º¸µéÀ» È¿À²ÀûÀ¸·Î ó¸®ÇÒ ¼ö ÀÖµµ·Ï ÇÏ¿´´Ù.
¿µ¹®³»¿ë
(English Abstract)
In this study, we proposed a monitoring system for identifying and handling faulty sensing stream data on manufacturing equipments where low-cost sensors can be safely used. Low cost sensors will lessen the cost of implementing distributed monitoring system, but suffer from sensor noises and inaccurate sensed data. Therefore, a distributed monitoring system with low cost sensors should identify faulty signal data as either of sensor fault or machine fault, and filter out faulty signals from sensing fault. To this end, we adopted a fourier transform based diagnostic approach mixed with a weighed moving averaging method, in order to identify faulty signals. We measured how effective our approach is and found out our approach can filter out one-third faulty signals from our experimental environment. In addition, we attached wireless communication modules to reduce sensor and network installation cost. To handle massive sensor data efficiently, we employed unstructured data format with NoSQL based database.
Å°¿öµå(Keyword)
Àü¹®¼³ºñ
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ºñÁ¤Çü µ¥ÀÌÅÍ
FFT
ÀÌ»ó½ÅÈ£
NoSQL
Manufacturing Equipment
Monitoring
Unstructured Data
FFT
Faulty Signal
NoSQL
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