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350km/h ±ÞÀÇ À¯Áöº¸¼ö¿ë ÁÖÇà½ÃÇè±âÀÇ °³³ä¼³°è ¹× µ¿Àû¸ðµ¨ Á¦½Ã ¿¬±¸

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  • ÀúÀ۽ñâ : 2007/05
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¼Ò°³±Û Roller rigs have been built widely to study and evaluate the dynamic behaviors of railway vehicles, and they have particularly been applied to the development and routine maintenance of high-speed trains. However, there is no roller rig for routine maintenances of high speed train in Korea, although high speed train is running on the lines. Therefore, it is very important issue to check and evaluate the dynamic responses of high speed train after several years of operation. This paper presents a study on the conceptual design and dynamic model to develop the roller rig for the routine maintenances of high speed trains. The roller rig has two independent electronic motor and maximum speed of 350km/h, which can simulate running on straight and curved track. CATIA V5 was used to design the 3D geometrical models and ADAMS was used to verify and analyze the dynamic behaviors of roller rig.
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ÁÖÇà½ÃÇè±â(roller rig)´Â, ±ËÁ¶·ûÀ̶ó ºÒ¸®´Â ·¹ÀÏ¿¡ ÇØ´çÇϴ ȸÀü¿ø¹Ý»ó¿¡ Â÷·® ¶Ç´Â ´ëÂ÷¸¦ ¼³Ä¡ÇÏ¿© ÁÖÇà»óŸ¦ ÀçÇöÇÏ´Â ÀåÄ¡·Î½á, öµµÂ÷·®ÀÇ »çÇൿ, ÁÖÇà¾ÈÁ¤¼º ¹× ÁÖÇ༺´É¿¡ ´ëÇÑ Æ¯¼ºÀ» ÆÄ¾ÇÇϴµ¥ ¸ñÀûÀÌ ÀÖ´Ù. Áß±¹ÀÇ °æ¿ì 1980³â¿¡ 50~70 km/hÀÇ ¼Óµµ¸¦ ±¸ÇöÇÏ´ø öµµ°¡ ÁÖÇà½ÃÇè±âÀÇ È°¿ëÀ¸·Î ÀÎÇØ 1990³â¿¡´Â 140~160 km/hÀÇ ¼Óµµ·Î Çâ»óµÇ¾ú´Ù[1]. ÀÌ¿¡ ºñÇØ ±¹³»ÀÇ °æ¿ì ¼ö½Ê¾ï¿øÀÇ ºñ¿ëÀ» ÅõÀÚÇÏ¿© ÁÖÇà½ÃÇè±â¸¦ °³¹ßÇÏ¿©µµ ½Ç¿ë¼º Ãø¸é¿¡¼­ ¸Å¿ì ³«ÈÄµÈ Çö½ÇÀÌ´Ù. 50¿©¾ï¿øÀÇ ºñ¿ëÀ» ÅõÀÚÇÏ¿© Á¦ÀÛÇÑ ¿¬±¸°³¹ß¿ë ÁÖÇà½ÃÇè±â°¡ öµµ¿¬±¸¿ø¿¡ ¼³Ä¡µÇ¾î ÀÖ´Ù. ±×·¯³ª »ó¾÷¿îÇà ÁßÀÎ ´ëÂ÷ÀÇ °æ¿ì 5~6³â ÁÖ±â·Î À¯Áöº¸¼ö Ãø¸é¿¡¼­ Áß¼ö°Ë»ç¸¦ ½Ç½ÃÇÏ¿©¾ß Çϴµ¥, ¿¬±¸ °³¹ß¿ëÀÇ ÁÖÇà½ÃÇè±â·Î´Â KTX¿Í °°Àº °í¼Óöµµ Â÷·®¿¡ ´ëÇÑ Áß¼ö°Ë»ç¸¦ ½Ç½ÃÇÒ ¼ö ¾ø´Â ½ÇÁ¤ÀÌ´Ù. µû¶ó¼­, º» ¿¬±¸¿¡¼­´Â 350 km/h±ÞÀÇ °í¼ÓÈ­µÈ öµµÂ÷·®ÀÇ ÀÓ°è ¼Óµµ¿¡ µû¸¥ ÁÖÇà¾ÈÁ¤¼º°ú ±¸Á¶°áÇÔ¿¡ ´ëÇÑ Æò°¡°¡ °¡´ÉÇÑ À¯Áöº¸¼ö¿ë ÁÖÇà½ÃÇè±â¿¡ ´ëÇÑ °³³ä ¼³°è¾ÈÀ» Á¦½Ã ÇϰíÀÚ ÇÑ´Ù. ÁÖÇà½ÃÇè±âÀÇ ¼³°è»ç¾çÀ¸·Î´Â ´ëÂ÷ ÇÑ ´ë ºÐ·®ÀÇ ÁÖÇà»óŸ¦ ±¸ÇöÇϵµ·Ï ÇÏ¿´À¸¸ç, ±¹³» ´ëÂ÷ÀÇ °æ¿ì Ãà°£°ÝÀÌ ÀÏÁ¤ÇÏÁö ¾Ê´Â Á¡À» °í·ÁÇÏ¿© ÈĵκΠ±ËÁ¶·ûÀÌ À̵¿ °¡´ÉÇϵµ·Ï ¼³°èÇÏ¿´´Ù. öµµÂ÷·® ´ëÂ÷¿¡ ´ëÇÑ ÁÖÇà ¾ÈÁ¤¼º Æò°¡´Â À¯Áöº¸¼ö¿ë ÁÖÇà½ÃÇè±â¿¡¼­ Á÷¼±ÁÖÇà°ú °î¼±ÁÖÇุÀ» ¸ð»çÇÏ¿© Á¦ÀÛºñ¿ëÀ» Àý°¨Çϵµ·Ï ÇÏ¿´´Ù. °èÃø½Ã½ºÅÛÀ¸·Î´Â ´ëÂ÷ÀÇ º¯Çü»óŸ¦ ÃøÁ¤Çϱâ À§ÇÑ º¯À§¼¾¼­¿Í °íÀ¯Áøµ¿¼ö¸¦ ÃøÁ¤Çϱâ À§ÇÑ °¡¼Óµµ ¼¾¼­, ÈÙ°ú ÈÙ ÃàÀÇ ¿¬°á º£¾î¸µ »óŸ¦ ÃøÁ¤Çϱâ À§ÇÑ ¿Âµµ¼¾¼­¸¦ °í·ÁÇÒ °ÍÀÌ´Ù. ¶ÇÇÑ, Â÷·û°ú ±ËÁ¶·û°£ÀÇ Á¢ÃË ¾Ë°í¸®Áò(contact algorithm)¿¡ ´ëÇÑ Æò°¡¿Í ÁÖÇà½ÃÇè±â ±¸µ¿¿¡ ÇÊ¿äÇÑ µ¿·Â¿ø ¼±Á¤¿¡ ´ëÇÑ ¼³°è(¾È)À» Á¦½ÃÇÏ¿´´Ù.
 
Âü°íÀÚ·á 1. Simon Iwnicki, "Handbook of Railway Vehicle Dynamics"
2. Á¤ÈÆ, ±èÁøÅ ¡°Çѱ¹Çü °í¼ÓÀüö¿ë °³¹ß´ëÂ÷ÀÇ ÁÖÇà½ÃÇè´ë¿¡¼­ ÁÖÇ༺´ÉÆò°¡¡±
3. ¾çµµÃ¶, ÃÖ¼º±Ô,(2004), ¡°Ã¶µµ Â÷·® Virtual Engineering ±â¼ú°³¹ß¡±, öµµ½Ã½ºÅÛ ¼±ÁøÈ­ ±â¼ú¿¬±¸ »ç¾÷ KRRI ¿¬±¸ 04-88
4. Á¶¿¬È£, À̰­¿î, ¡°ADAMS/RailÀ» ÀÌ¿ëÇÑ Ã¶µµ Â÷·® µ¿Æ¯¼º ÇØ¼®¡±
Çб³Á¤º¸ 2ÁÖ°£ ´Ù¿î¹ÞÀº ÇлýÀÇ Çб³Á¤º¸¸¦ º¸¿©ÁÝ´Ï´Ù.(5P ¼Ò¿ä)
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À§ Á¤º¸ ¹× °Ô½Ã¹° ³»¿ëÀÇ ºÒ¹ýÀû ÀÌ¿ë, ¹«´Ü ÀüÀ硤¹èÆ÷´Â ±ÝÁöµÇ¾î ÀÖ½À´Ï´Ù.ÀúÀÛ±ÇÄ§ÇØ, ¸í¿¹ÈÑ¼Õ µî ºÐÀï¿ä¼Ò ¹ß°ß½Ã °í°´¼¾ÅÍÀÇ ÀúÀÛ±ÇÄ§ÇØ ½Å°í¼¾Å͸¦ ÀÌ¿ëÇØ Áֽñ⠹ٶø´Ï´Ù.

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