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ÇѱÛÁ¦¸ñ(Korean Title) Àç½ÇÀÚÀÇ ¼ö¸é-°¢¼º Áֱ⿡ µû¸¥ ½º¸¶Æ®Æù ±â¹Ý ÆÄÀåÁ¦¾î LED Á¶¸í½Ã½ºÅÛ
¿µ¹®Á¦¸ñ(English Title) Smartphone-based Wavelength Control LED Lighting System according to the Sleep-Wake Cycle of Occupants
ÀúÀÚ(Author) ±è¾ç¼ö   ±Ç¼÷¿¬   ȲÁØ   ÀÓÀçÇö   Yang-Soo Kim   Sook-Youn Kwon   Jun Hwang   Jae-Hyun  
¿ø¹®¼ö·Ïó(Citation) VOL 17 NO. 01 PP. 0035 ~ 0045 (2016. 02)
Çѱ۳»¿ë
(Korean Abstract)
Àΰ£ÀÇ »ýü¸®µë Á¶Àý¿¡ °ü¿©ÇÏ´Â ¸á¶óÅä´Ñ È£¸£¸óÀº ºûÀÇ Æ¯Á¤ ´ÜÆÄÀå ºñÀ²¿¡ µû¶ó ¹Î°¨ÇÏ°Ô ¹ÝÀÀÇÑ´Ù. ´ÜÆÄÀå ºñÀ²ÀÌ °íÁ¤µÈ ±âÁ¸ Á¶¸í ºûÀº Àç½ÇÀÚ »ýü¸®µë ±³¶õ ¹× ¼ö¸éÀå¾Ö Çö»óÀ» ÃÊ·¡ÇÑ´Ù. ƯÈ÷ ±³´ë±Ù¹«ÀÚÀÇ °æ¿ì, ÀÏÁ¤Ä¡ ¾ÊÀº ±Ù¹«½Ã°£°ú Ç׽à µ¿ÀÏÇÑ ºû ȯ°æÀ¸·Î ÀÎÇØ »ýÈ°ÆÐÅÏÀÌ ºÒ±ÔÄ¢ÀûÀ¸·Î º¯È­ÇÏ¿© ÁýÁß·Â ÀúÇÏ·Î »ç°í ¹ß»ýÀÇ À§Çèµµ°¡ ³ô¾ÆÁö°Å³ª Åð±Ù ÀÌÈÄ ¼÷¸éÀ» ÃëÇÏÁö ¸øÇÏ´Â µî °Ç°­ÇÑ ÀÏ»ó»ýÈ°À» À¯ÁöÇÏ´Â µ¥ ºÎÁ¤Àû ¿µÇâÀ» ÃÊ·¡ÇÑ´Ù. º» ³í¹®¿¡¼­´Â ±³´ë±Ù¹«ÀÚ¸¦ ´ë»óÀ¸·Î ±Ù¹« ¶Ç´Â Åð±Ù ½ÃÁ¡¿¡ µû¶ó °¢¼º ¹× ¼ö¸é¿¡ ÀûÇÕÇÑ Á¶¸í ºûÀ» ¼Õ½±°Ô °èÃø ¹× Á¦¾îÇÒ ¼ö ÀÖ´Â ½º¸¶Æ®Æù ±â¹ÝÀÇ ÆÄÀå Á¦¾î °¡´ÉÇÑ LED Á¶¸í½Ã½ºÅÛÀ» Á¦¾ÈÇÑ´Ù. ¸ÕÀú, LED Á¶¸íÀ» ´ë»óÀ¸·Î Á¶±¤Á¦¾îºñÀ²¿¡ µû¶ó º¯È­ÇÏ´Â Á¶¸í ºû Ư¼ºÀ» ½º¸¶Æ®Æù¿¡ ³»ÀåµÈ Ä÷¯¼¾¼­ ¹× ¿ÜºÎ¿¡ ¿¬µ¿µÈ ¼ÒÇü ½ºÆå Æ®·Î¹ÌÅÍ(Mini-Spectrometer)¸¦ ÅëÇØ °èÃøÇÑ ÈÄ µ¥ÀÌÅͺ£À̽º¿¡ ÀúÀåÇÏ°í, ÀúÀåµÈ ±¤ Ư¼º µ¥ÀÌÅ͸¦ ±â¹ÝÀ¸·Î °èÃø ¸ðµâ°ú Á¶¸íÁ¦¾î¸ðµâÀ» ±¸ÇöÇÑ´Ù. ±³´ë±Ù¹«ÀÚ¸¦ ´ë»óÀ¸·Î ½Ã½ºÅÛ Ã³¸® ÀýÂ÷¿¡ µû¶ó ¡®±Ù¹«¡¯ ½Ã°£´ë¿¡´Â °¢¼ºÀÌ ÇÊ¿äÇÑ ½ÃÁ¡À¸·Î ÆľÇÇÏ¿© ÀÛ¾÷À¯Çü¿¡ µû¶ó ºÐ·ùÇÑ ¸ñÇ¥Á¶µµ¸¦ °í·ÁÇÏ¿© ´ÜÆÄÀå ºñÀ²ÀÌ ÃÖ´ëÄ¡ÀÎ Á¦¾îºñÀ²·Î ¼­ºñ½ºÇÏ°í, ¡®Åð±Ù¡¯ ¹«·Æ¿¡´Â ÀÚ¿¬½º·´°Ô ¼ö¸é »óÅ¿¡ ÁøÀÔÇÒ ¼ö ÀÖµµ·Ï ´ÜÆÄÀå ºñÀ²ÀÌ ÃÖ¼ÒÄ¡ÀÎ Á¦¾îºñÀ²·Î Á¶¸í ºûÀ» °¡º¯È­ÇÑ´Ù.
¿µ¹®³»¿ë
(English Abstract)
Melatonin hormone involved in human¡¯s circadian rhythm adjustment sensitively responds to light¡¯s specific short wavelength ratio. A shift worker¡®s circadian rhythm disturbance and sleep disorder are caused by the existing lighting conditions, whose short wavelength ratio is fixed. The life pattern of a shift worker changes irregularly because of irregular working hours and the same lighting environment; thus, his/her concentration is reduced. For such a reason, negative effects ensue to the detriment of healthy everyday life, including a high risk of accidents or having unsound sleep after leaving work. A smartphone-based wavelength control LED lighting system that targets shift workers and that can easily measure and control lighting suitable for wake-sleep cycle, according to working hours and closing hours, is proposed in this paper. First, after the light characteristics of LED lighting that changes depending on light control ratio are measured through the color sensor installed on the smartphone and the externally-linked Mini-Spectrometer, they are stored in the database. Based on the stored optical characteristics data, the measurement module and light control module are implemented. Lighting is offered using a control ratio having the maximum rate of short wavelength in consideration of the target illuminance, classified according to work type by identifying working hours as time when waking is required for shift workers. After a shift work leaves work, the amount of lighting is varied, using a control ratio having a minimum short wavelength rate so that a shift worker can enter the sleep state naturally.
Å°¿öµå(Keyword) ¼ö¸é-°¢¼º   »ýü¸®µë   Á¶¸í½Ã½ºÅÛ   ¿¤À̵𠠠½º¸¶Æ®Æù   Sleep-Wake   Circadian rhythm   Lighting System   LED   Smartphone  
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