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Çѱ¹¼öÀÚ¿øÇÐȸ / v.32, no.1, 1999³â, pp.71-81
ë¶îîí­ ¾Ë°í¸®ÁòÀ» ÀÌ¿ëÇÑ Î·ØÑ½Ã½ºÅÛÀÇ õÌîêÞ¨éÄ àâͪ
( Optimal Cost Design of Pipe Network Systems Using Genetic Algorithms )
¹Ú¿µ¼ö;±èÁ¾¿ì;±èűÕ;±èÁßÈÆ; °í·Á´ëÇб³ ¹æÀç°úÇбâ¼ú¿¬±¸¼¾ÅÍ, Àü °í·Á´ëÇб³ ´ëÇпø Åä¸ñȯ°æ°øÇаú;°í·Á´ëÇб³ ´ëÇпø Åä¸ñȯ°æ°øÇаú;°æ³²±â¾÷ÁÖ½Äȸ»ç ȯ°æ»ç¾÷ºÎ;°í·Á´ëÇб³ Åä¸ñȯ°æ°øÇаú;
 
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º» ¿¬±¸ÀÇ ¸ñÀûÀº À¯ÀüÀÚ ¾Ë°í¸®Áò ÃÖÀûÈ­±â¹ýÀ» ÀÌ¿ëÇÏ¿© ¼³°è±âÁØ¿¡ ÇÕ´çÇÑ Á¦¾àÁ¶°ÇÀ» °í·ÁÇÑ ÃÖ¼Ò°æºñÀÇ °ü¸Á½Ã½ºÅÛÀÇ ¼³°è¸¦ ¸ñÀûÀ¸·Î ÇÑ´Ù. ¼ö¸®ÇÐÀû Á¦¾àÁ¶°ÇµéÀº ¼ö¸®¸ðÀÇÇÁ·Î±×·¥(KYPIPE)°ú ¿¬°èÇÏ¿© °¡´ÉÇØ ¿µ¿ªÀ» ¼ö½Ã·Î °ËÁõÇÏ¿´´Ù. À¯ÀüÀÚ ¾Ë°í¸®ÁòÀº ºñ±³Àû »õ·Î¿î ÃÖÀûÈ­±â¹ýÀÌ´Ù. À¯ÀüÀÚ ¾Ë°í¸®ÁòÀº ¸Å¿ì °­·ÂÇÑ Å½»ö´É·ÂÀ» °¡Áö°í ÀÖÀ¸¸ç ƯÈ÷ ºñ¼±Çü ¹®Á¦¸¦ ÇØ°áÇϴµ¥ Ź¿ùÇÑ ¼º´ÉÀ» °¡Áø´Ù°í ¾Ë·ÁÁ® ÀÖ´Ù. À¯ÀüÀÚ ¾Ë°í¸®ÁòÀº °è»ê°á°ú·Î Á¦½ÃµÇ´Â °áÁ¤º¯¼öÀÎ °ü°æÀº ¿¬¼ÓÀûÀÎ ¼öÄ¡°¡ ¾Æ´Ñ ÀÌ»êÀûÀÎ ±Ô°ÝÀÇ Ç¥Áذü°æÀÎ »ó¾÷¿ë °ü°æÀ¸·Î Á¦½ÃµÇ¸ç ÆßÇÁ¿ë·®±îÁö ÃÖÀûÈ­½ÃŰ´Â È¿À²ÀûÀÎ ÃÖÀû¼³°è¸¦ µµ¸ðÇϰíÀÚ ÇÑ´Ù. º» ¸ðÇüÀº °¡»ó ¹× ½ÇÁ¦ °ü¸Á½Ã½ºÅÛ¿¡ Àû¿ëÇÏ¿´´Ù. ±× Áß Çϳª´Â ¸¹Àº ´Ù¸¥ ¿¬±¸Àڵ鿡 ÀÇÇÑ °£´ÜÇÑ °ü¸Á¿¡ »ç¿ëµÈ ³í¹®µé·ÎºÎÅÍ Ã¤ÅÃÇÏ¿´´Ù. ±× °á°úÀÇ ºñ±³´Â ÀÌ ¿¬±¸¿¡¼­ °³¹ßµÈ ¸ðÇüÀÇ ÀûÇÕ¼ºÀ» º¸¿©ÁØ´Ù. ¶ÇÇÑ, º» ¸ðÇüÀº ÃÖÀûÆßÇÁ¿ë·®µµ °áÁ¤ÇÒ ¼ö ÀÖÀ¸¸ç ±× Àû¿ë¼ºÀ» °ËÁõÇϱâ À§ÇÏ¿© °í¾ç½Ã¿¡ Àû¿ë½ÃÄÑ º¸¾Ò´Ù. °³¹ßµÈ ¸ðÇüÀº ºñ±³Àû °£´ÜÇÑ ¹æ¹ýÀ¸·Î °ü¸Á½Ã½ºÅÛÀÇ ÃÖÀû¼³°è¿¡ ¼º°øÀûÀ¸·Î Àû¿ë½Ãų ¼ö ÀÖÀ½ÀÌ ÆÇ¸íµÇ¾îÁ® ¿Ô´Ù.
The objective of this study is to develop a model which can design an optimal pipe network system of least cost while satisfying all the design constraints including hydraulic constraints using a genetic algorithm technique. Hydraulic constraints interfaced with the simulation program(KYPIPE) checked feasible solution region. Genetic algorithm(GA) technique is a relatively new optimization technique. The GA is known as a very powerful search and optimization technique especially when solving nonlinear programming problems. The model developed in this study selects optimal pipe diameters in the form of commercial discrete sizes using the pipe diameters and the pumping powers as decision variables. The model not only determines the optimal diameters and pumping powers of pipe network system but also satisfies the discharge and pressure requirements at demanding nodes. The model has been applied to an imaginary and an existing pipe network systems. One system is adopted from journal papers which has been used as an example network by many other researchers. Comparison of the results shows compatibility of the model developed in this study. The model is also applied to a system in Goyang city in order to check the model applicability to finding of optimal pumping powers. It has been found that the developed model can be successfully applied to optimal design of pipe network systems in a relatively simple manner.
 
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.32, no.1, 1999³â, pp.71-81
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911920062975)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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