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Çѱ¹µµ·ÎÇÐȸ / v.12, no.3, 2010³â, pp.17-26
°í¼ÓÃàÇÏÁßÃøÁ¤½Ã½ºÅÛÀÇ °³¹ß°ú Æò°¡
( Development and Evaluation of High Speed weigh-in-motion system )
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µµ·Î¿Í ±³·®À» °ü¸®Çϰí À¯Áöº¸¼ö ÇÏ´Â ÀÏÀº Àü ¼¼°èÀÇ µµ·Î °ü¸®Àڵ鿡°Ô´Â Áß¿äÇÑ ¹®Á¦À̸ç, Â÷·® ÁÖÇàÀÇ ¾ÈÀü¼ºÀ» È®º¸ÇÏ°í µµ·ÎÀ¯Áö ºñ¿ëÀÇ Áõ°¡¸¦ ¸·±â À§ÇÏ¿© ¼¼°èÀÇ ¿©·¯ ³ª¶ó¿¡¼­ ´Ù¾çÇÑ ½ÃÃ¥ÀÌ ÀÌ·ç¾îÁö°í ÀÖ´Ù. ¾Æ½Ã¾Æ¿¡¼­µµ ÀÌ·¯ÇÑ À¯»çÇÑ ³ë·ÂÀ» ÇØ¿ÔÀ¸¸ç ÃÖ±Ù¿¡´Â Â÷·® Áß·®¿¡ ´ëÇÑ ½ÃÃ¥ÀÌ Çѱ¹°ú ÀϺ» µî¿¡¼­µµ º»°ÝÈ­ µÇ°í ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ÀÌ·¯ÇÑ ¿©°Ç¿¡ ±â¿©Çϱâ À§Çؼ­ ºÒ±Õµî °£°ÝÀ¸·Î ¸·´ë ¸ð¾ç ¼¾¼­(Piezo Quartz ¹æ½Ä)¸¦ ¼³Ä¡ÇÏ¿© ³ôÀº Á¤È®¼ºÀ¸·Î µ¿Àû ÃàÁß·® °èÃøÀ» °¡´ÉÇÏ°Ô ÇÏ´Â ±â¼úÀ» °³¹ßÇÏ¿´À¸¸ç, ½ÇÁ¦ µµ·Î¿¡¼­ ÃàÁß·®°ú ÃÑÁß·® µîÀÇ °èÃø Á¤È®µµ¸¦ Æò°¡ÇÏ¿´´Ù. ÃàÁß·®°ú ÃÑÁß·® µîÀÇ °èÃø Á¤È®µµ´Â ¼¾¼­ÀÇ ¹èÄ¡ ¼ö¿¡ µû¶ó¼­ Â÷À̰¡ ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ÀÚµ¿´Ü¼ÓÀ» ½ÇÇöÇϱâ À§ÇÏ¿© ÃÑÁß·® °èÃø Á¤È®µµÀÇ ¿ÀÂ÷¹üÀ§¸¦ ${pm}5%$ ÀÌÇÏÀÇ ¸ñÇ¥·Î °³¹ßÀ» ÇÏ¿© 8-point °èÃø ½Ã½ºÅÛ¿¡ ÀÇÇØ ±× ¸ñÇ¥¸¦ ´Þ¼ºÇß´Ù. ±×·¯³ª, ÀÌ ½Ã½ºÅÛÀÌ ³Î¸® ÀÌ¿ëµÇ±â À§Çؼ­´Â ¿ëÀÌÇÏ°Ô º¸±ÞµÇ¾î Áú ¼ö ÀÖµµ·Ï ÀûÇÕÇÑ ½Ã½ºÅÛ ±Ô¸ð·Î »çÀÌÁ ¼ÒÇüÈ­ÇÏ´Â °ÍÀÌ ¹«¾ùº¸´Ù ½Ã±ÞÇÏ´Ù. µû¶ó¼­, °èÃøÀÇ Á¤È®¼º°ú ½Ã½ºÅÛ ±Ô¸ð(°èÃøÁ¡ ¼ö)¿ÍÀÇ °ü°è¸¦ Æò°¡ÇÏ¿´°í, ÃÖÀûÀÇ °èÃøÁ¡ ¼ö·Î½á 3-point ÃøÁ¤À» Á¦¾ÈÇÏ¿© ±× ¼º´ÉÀ» ½ÇÁ¦ÀÇ µµ·Î»ó¿¡¼­ Æò°¡¸¦ ÇÏ¿´´Ù. ¶ÇÇÑ, º» ¿¬±¸¿¡¼­´Â ´ëÇü Â÷·®ÀÇ ¼º´É Çâ»ó¿¡ µû¸¥ °í¼ÓÈ­¿¡ ´ëÇÏ¿© Æò°¡ ¹× °ËÅ並 ÇÏ¿´´Ù.
Maintenance of the roads and bridges is a major issue for all road administrators around the world, and various initiatives are being implemented in each region for the purpose of controlling the ever increasing road maintenance cost while ensuring the safety of the vehicles driving. Efforts for such initiatives have also been made in Asia and initiatives for managing heavy-weight vehicles have recently gained momentum in Korea and Japan. We have developed a technology for unevenly installing bar-shaped sensors (piezo quartz sensors) to enable dynamic axle load measurement at a highly accurate level, and have estimated our measurement accuracy of axle load/gross weight, etc. on an actual road. The measurement accuracy of the axle load/gross weight varies significantly depending on the number of sensors installed. In our implementation, the target accuracy was set to below ${pm}5%$ for gross weight measurement so that automatic regulation can be applied. We have achieved our target by installing 8-point measurement system. However, to have this technology widely accepted, it was necessary to reduce the system size so that it can be easily implemented. Therefore, we have estimated the relationship between the measurement accuracy and the system size (number of measurement points), and have come up with the proposal of 3-point measurement as an optimum number of measurement points, and have estimated its performance on an actual road. Additionally, we evaluated the relationship between the measurement accuracy and vehicle velocity.
 
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.12, no.3, 2010³â, pp.17-26
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201033359736976)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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