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Çѱ¹¼öÀÚ¿øÇÐȸ / v.45, no.1, 2012³â, pp.101-111
Çϼöµµ ½Ã½ºÅÛÀÇ È¿À²ÀûÀÎ ¿î¿µ ¹× À¯Áö°ü¸®¸¦ À§ÇÑ ½Ã½ºÅÛ´ÙÀ̳»¹Í½º ¸ðÇüÀÇ °³¹ß
( Development of a System Dynamics Model for the Efficient Operation and Maintenance of Sewerage Systems )
¹Ú¼ö¿Ï;ÀÌűÙ;±èºÀÀç;±èÅ¿µ; ºÎ»ê´ëÇб³ °ø°ú´ëÇÐ »çȸȯ°æ½Ã½ºÅÛ°øÇкÎ;ºÎ»ê´ëÇб³ ´ëÇпø »çȸȯ°æ½Ã½ºÅÛ°øÇкÎ;K-Water (Çѱ¹¼öÀÚ¿ø°ø»ç) ¿ï»ê±Ç°ü¸®´Ü;Á¤¼ö±â¼ú´Ü »óÇϼöµµºÎ;
 
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º» ³í¹®¿¡¼­´Â ½Ã½ºÅÛ ´ÙÀ̳»¹Í½º(System Dynamics, SD) ¹æ¹ý·Ð¿¡ ÀÔ°¢ÇÏ¿© Çϼöµµ ½Ã½ºÅÛÀÇ ¿î¿µÁöÇ¥µé°ú ÀÌ¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ¿ÜºÎº¯¼öµé·Î ±¸¼ºµÈ Çǵå¹é ·çÇÁ ¸ÞÄ¿´ÏÁò(Feedback Loop Mechanism)À» °ü·ÎÀ¯Áö°ü¸®¿Í ¿¬°üÇÏ¿© ±Ô¸íÇϰí, ¿ÜºÎº¯¼öÀÇ º¯È­¿¡ µû¸¥ ¿î¿µÁöÇ¥ÀÇ º¯È­¸¦ ¿¹ÃøÇÔÀ¸·Î½á Çϼöµµ ½Ã½ºÅÛÀÇ È¿À²ÀûÀÎ ¿î¿µ ¹× À¯Áö°ü¸® ¹æ¾ÈÀ» ¸ð»öÇÒ ¼ö ÀÖ´Â SD ÄÄÇ»ÅÍ ¸ðÀÇ ¸ðÇü(Computer Simulation Model)À» °³¹ßÇÏ¿´´Ù. °³¹ßµÈ ¸ðÇü¿¡ ºÎ»ê±¤¿ª½Ã Çϼöµµ ½Ã½ºÅÛÀÇ °ú°Å ¿î¿µ ÀڷḦ Àû¿ëÇÔÀ¸·Î½á ¸ðÇüÀ» °ËÁõÇÏ¿´°í, ¹Ì·¡ÀÇ ¿î¿µ »óȲÀ» ¿¹ÃøÇÏ¿´´Ù. ±× °á°ú, Çϼöµµº¸±Þ·üÀº ÀÌ¹Ì ¸ñǥġ¿¡ °ÅÀÇ µµ´ÞÇÏ¿© Å« º¯µ¿ÀÌ ¾øÀ» °ÍÀ¸·Î ¿¹ÃøµÇ¾úÀ¸¸ç, Çϼöó¸®È¿À²°ú Çϼö󸮷®, ¿ä±ÝÇö½ÇÈ­À²Àº Á¡Â÷ Áõ°¡ÇÒ °ÍÀ¸·Î ¿¹ÃøµÇ¾ú´Ù. ¶ÇÇÑ Á¤Ã¥ Áö·¿´ëÀÇ ¹ß°ßÀ» À§ÇØ ½Ã½ºÅÛ¿¡ Å« ¿µÇâÀ» ¹ÌÄ¡´Â ÁÖ¿ä ¿î¿µÁöÇ¥¸¦ ¼±Á¤ÇÏ¿© ¿ÜºÎº¯¼öÀÇ º¯È­¿¡ ´ëÇÑ ¹Î°¨µµ ºÐ¼®À» ¼öÇàÇÏ¿´´Âµ¥, ±× °á°ú °ü·Î À¯Áö°ü¸®¿Í ¿¬°üµÈ ¿ÜºÎº¯¼ö´Â Çϼöó¸®È¿À²ÀÇ º¯È­»Ó¸¸ ¾Æ´Ï¶ó ½Ã¼³ÀÌ¿ë·ü, Çϼö󸮷® µîÀÇ º¯È­¿¡µµ Å« ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù.
In this paper, the feedback loop mechanisms among the operational indices and exogenous variables of a sewerage system that are inherent in the operation and maintenance of a sewerage system were identified using the System Dynamics (SD) modeling methodology. The identified feedback loops were used to develop a SD computer simulation model that can be used to predict future operational conditions of a sewerage system and identified the efficient ways of operation. The data of Busan metropolitan city sewerage system was applied to verify the developed SD model and predict future operational conditions of the system. As a result, it was predicted that sewage treatment efficiency, volume of sewage treatment and cost recovery rate will be gradually increased, whereas service rate which was already very close to the target will remain almost the same as the current value. Furthermore, sensitivity analysis concerning some operational indices was performed in order to discover the policy leverage. As a result, it was found that the exogenous variables related to the pipe maintenance had a great effect on facility using rate, volume of sewage treatment as well as sewage treatment efficiency.
 
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½Ã½ºÅÛ´ÙÀ̳»¹Í½º;¿î¿µÁöÇ¥;Á¤Ã¥ Áö·¿´ë;Çǵå¹é ·çÇÁ;Çϼöµµ½Ã½ºÅÛ;feedback loop;operational indices;policy leverage;sewerage system;system dynamics;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.45, no.1, 2012³â, pp.101-111
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201208040010033)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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