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vrppd Çѱ¹Ç×°ø´ëÇб³ »ý»ê½Ã½ºÅÛ°ü¸®
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vrppd¶õ?
Çй®Àû ¿ª»ç ¿¬±¸ Çʿ伺 ¼ö¸®¸ðÇü Àû¿ë»ç·Ê Ç×°ø»ê¾÷¿¡¼ÀÇ È°¿ë °¡´É¼º
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vrppd¶õ?
vrppd¶õ?
¹è´Þ°ú ¼ö°Å¸¦ °í·ÁÇÑ Â÷·®°æ·Î¹®Á¦
(vehicle routing problem pick-up and delivery )
Áß¾ÓÂ÷°íÁö¿¡¼ Ãâ¹ßÇÑ Â÷·®ÀÌ °í°´ÀÇ ¹°Ç°À» ¹è´Þ, ¼ö°ÅÇϰųª ¶Ç´Â ¹è´Þ ÈÄ °í°´ÀÇ ¹°Ç°À» ¼ö°ÅÇÏ¿© Áß¾ÓÂ÷°íÁö·Î º¹±ÍÇÏ´Â ¹®Á¦
Å©°Ô 3°¡Áö ÇüÅ·Π³ª´ ¼ö ÀÖÀ½ ±¸ºÐ ³»¿ë ºñ°í vrpb ¹è´ÞÁöÁ¡°ú ¼ö°ÅÁöÁ¡ÀÌ ºÐ¸® ¹è´ÞÀÌ ¸ðµÎ ¿Ï·áµÈ ÈÄ¿¡ ¼ö°Å¸¦ ½Ç½Ã delivery-first, pickup-second vrpmdp ¹è´ÞÁöÁ¡°ú ¼ö°ÅÁöÁ¡ÀÌ ºÐ¸® ¹è´ÞÀÌ ¸ðµÎ ¿Ï·áµÇ±â Àü¿¡ ¼ö°Å °¡´ÉÇÔ mixed delivery and pickup vrpsdp ¹è´ÞÁöÁ¡°ú ¼ö°ÅÁöÁ¡ÀÌ µ¿ÀÏ ¹è´Þ°ú ¼ö°Å¸¦ µ¿½Ã¿¡ ½Ç½Ã °¡´ÉÇÔ simultaneous delivery and pickup Â÷·®°æ·Î¹®Á¦ÀÇ °æÇèÀû ±â¹ý ±¸ ºÐ ³» ¿ë constructive methods
¸ðµç °í°´ÀÇ ¼ö¿ä°¡ ¸¸Á·µÉ ¶§±îÁö ¼øÂ÷ÀûÀ¸·Î °í°´À» Â÷·®¿¡ ÇÒ´çÇÏ¿© °æ·Î¸¦ »ý¼ºÇÏ´Â ±â¹ý
-clarke & wrightÀÇ saving method
-altinkemer & gavishÀÇ matching based algorithm
-thompson& psaraftiÀÇs multi-route improvement algorithm
2-phase methods
Â÷·®¿¡ ´ëÇØ °í°´À» ÇÒ´çÇÑ ÈÄ °¢°¢À» ¿ÜÆÇ¿ø ¹®Á¦ ÇعýÀ» ÀÌ¿ëÇÏ¿© °æ·Î¸¦ ±¸ÇÏ´Â ±â¹ý
-fisher m.l.[26], fisher & jaikumar algorithm
-ryan, hjorring & glover : the petal algorithm
-gillett & miller : sweep algorithm
route-first cluster-second method : brays incomplete optimization methods °¡´ÉÇظ¦ ±Ù»ç ÃÖÀûÇØ·Î ¼±ÅÃÇÏ´Â ±â¹ý christofidesÀÇ °æÇèÇعýÀ» ÀÌ¿ëÇÑ ºÐÁö ÇÑ°è¹ý route improvement methods
Ãʱ⠰¡´ÉÇظ¦ ±¸ÇÑ ÈÄ °¡´ÉÇØÀÇ ºÎºÐÀ» ±³È¯ÇÏ¿© Çظ¦ Çâ»ó½ÃÅ°´Â ±â¹ý
stewartÀÇ ¶ó±×¶ûÁö¾È ¿Ïȹý(lagrangian relaxation)
meta heuristic methods
ƯÁ¤ ¹®Á¦ÀÇ Á¤º¸¿¡ ±¸¼ÓµÇÁö ¾Ê°í ´Ù¾çÇÑ ¹®Á¦¿¡ Àû¿ë °¡´ÉÇÑ »óÀ§ ¼öÁØÀÇ °æÇèÀû ±â¹ý
-ant algorithm-simulated annealing
-tabu search-genetic algorithm
-harmony search (ÀÌÇÏ »ý·«)
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