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Çѱ¹¼öÀÚ¿øÇÐȸ / v.37, no.6, 2004³â, pp.449-460
±â»ó¿¹º¸Á¤º¸¸¦ Ȱ¿ëÇÑ ¿ù ´ïÀ¯ÀÔ·® ¿¹Ãø
( Monthly Dam Inflow Forecasts by Using Weather Forecasting Information )
Á¤´ë¸í;¹è´öÈ¿; ¼¼Á¾´ëÇб³ ¼ö¿î¿¬±¸¼Ò;¼¼Á¾´ëÇб³ ¼ö¿î¿¬±¸¼Ò¡¤Åä¸ñȯ°æ°øÇаú;
 
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º» ³í¹®¿¡¼­´Â ¿ù ´ïÀ¯ÀÔ·®À» ¿¹ÃøÇϴµ¥ À־ ±â»ó¿¹º¸Á¤º¸¸¦ Ȱ¿ëÇÑ ´º·Î-ÆÛÁö ½Ã½ºÅÛÀÇ Àû¿ë¼ºÀ» °ËÅäÇÏ¿´´Ù. ´º·Î-ÆÛÁö ¾Ë°í¸®ÁòÀ¸·Î ÆÛÁöÀ̷аú ½Å°æ¸ÁÀÌ·ÐÀÇ °áÇÕÇüÅÂÀÎ ANFIS(Adaptive Neuro-Fuzzy Inference System)À» ÀÌ¿ëÇÏ¿© ¸ðÇüÀ» ±¸¼ºÇÏ¿´´Ù. ANFISÀÇ °ø°£ºÐÇÒ¿¡ ÀÇÇÑ Á¦¾î±ÔÄ¢ÀÇ ¼±Á¤¿¡ ÀÖ¾î ÆÛÁöº¯¼ö°¡ Áõ°¡ÇÔ¿¡ µû¶ó Á¦¾î±ÔÄ¢ÀÌ ±âÇϱ޼öÀûÀ¸·Î Áõ°¡ÇÏ´Â ´ÜÁ¡À» ÇØ°áÇϱâ À§ÇØ ÆÛÁö Ŭ·¯½ºÅ͸µ(Fuzzy Clustering)¹æ¹ý Áß ÇϳªÀÎ Â÷°¨ Ŭ·¯½ºÅ͸µ(Subtractive Clustering)À» »ç¿ëÇÏ¿´´Ù. ¶ÇÇÑ º» ¿¬±¸¿¡¼­´Â Á¤¼ºÀûÀÎ ±â»ó¿¹º¸Á¤º¸¸¦ Á¤·®È­ ½ÃŰ´Â ¹æ¹ýÀ» Á¦¾ÈÇÏ¿´´Ù. AMFIS¸¦ ÀÌ¿ëÇÏ¿© ¿ù ´ïÀ¯ÀÔ·® ¿¹Ãø ½Ã, °üÃøÀڷḸÀ¸·Î ±¸¼ºµÈ ¸ðÇü¿¡ ÀÇÇÑ ¿¹Ãø°á°ú¿Í °üÃøÀÚ·á¿¡ ±â»ó¿¹º¸Á¤º¸¸¦ ´õÇÏ¿© ±¸¼ºµÈ ¸ðÇü¿¡ ÀÇÇÑ ¿¹Ãø°á°ú¸¦ ºñ±³ÇÏ¿´´Ù. ±× °á°ú ANFIS´Â ±â»ó¿¹º¸Á¤º¸¸¦ Ȱ¿ëÇÏ¿© ´ïÀ¯ÀÔ·®À» ¿¹ÃøÇßÀ» ¶§°¡ °üÃøÀڷḸÀ¸·Î ¿¹ÃøÇßÀ» ¶§º¸´Ù ¿¹Ãø´É·ÂÀÌ ´õ¿í Á¤È®ÇÔÀ» º¸¿´´Ù.
The purpose of this study is to test the applicability of neuro-fuzzy system for monthly dam inflow forecasts by using weather forecasting information. The neuro-fuzzy algorithm adopted in this study is the ANFIS(Adaptive neuro-fuzzy Inference System) in which neural network theory is combined with fuzzy theory. The ANFIS model can experience the difficulties in selection of a control rule by a space partition because the number of control value increases rapidly as the number of fuzzy variable increases. In an effort to overcome this drawback, this study used the subtractive clustering which is one of fuzzy clustering methods. Also, this study proposed a method for converting qualitative weather forecasting information to quantitative one. ANFIS for monthly dam inflow forecasts was tested in cases of with or without weather forecasting information. It can be seen that the model performances obtained from the use of past observed data and future weather forecasting information are much better than those from past observed data only.
 
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´º·Î-ÆÛÁö ½Ã½ºÅÛ;±â»ó¿¹º¸Á¤º¸;Â÷°¨ Ŭ·¯½ºÅ͸µ;ANFIS;Neuro-Fuzzy system;ANFIS;Weather Forecasting Information;Subtractive Clustering;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.37, no.6, 2004³â, pp.449-460
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922350093)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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