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Çѱ¹µµ·ÎÇÐȸ / v.8, no.3, 2006³â, pp.89-103
µµ·Î ¼ÒÀ½Æ¯¼º Æò°¡¸¦ À§ÇÑ HEART CPX Trailer °³¹ß ¹× ÇöÀå Àû¿ë¼º °ËÁõ ¿¬±¸
( A Study on the Evaluation of Road Noise Characteristics Using the Tire/pavement Noise Measuring Trailer )
±èÀÎÅÂ;¿À½Âȯ;ÇѽÂȯ;Á¶À±È£; Áß¾Ó´ëÇб³ ¿¡³ÊÁöȯ°æ¿¬±¸¼Ò;Áß¾Ó´ëÇб³ Åä¸ñ°øÇаú;Çѱ¹µµ·Î°ø»ç;Áß¾Ó´ëÇб³ °Ç¼³È¯°æ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â µµ·Î ¼ÒÀ½ ÃøÁ¤½Ã ´Ù¾çÇÑ ÇüÅ·ΠÁ¸ÀçÇϴ ȯ°æ¼ÒÀ½ÀÇ ¿µÇâÀ» ÃÖ¼ÒÈ­ÇÏ°í ½Ã°£°ú Àå¼ÒÀÇ ±¸¾Ö ¾øÀÌ °ø¿ë ÁßÀÎ µµ·Î »ó¿¡¼­µµ ÃøÁ¤ ¹× Æò°¡¸¦ °¡´ÉÅä·Ï Çϱâ À§ÇØ Å¸À̾î/Æ÷Àå ¼ÒÀ½ ÃøÁ¤¿ë Trailer Àåºñ¸¦ Á¦ÀÛ °³¹ßÇÏ¿´´Ù. ±âÁ¸ ¹®ÇåÁ¶»ç¸¦ ¹ÙÅÁÀ¸·Î µµ·Î¼ÒÀ½ÀÇ Æ¯¼ºÀ» ÆÄ¾ÇÇÏ°í ±¹¿ÜÀÇ ´Ù¾çÇÑ CPX Trailer °ü·Ã ¿¬±¸»ç·Ê¸¦ »ìÆìº¸¾ÒÀ¸¸ç, ÀåºñÀÇ ¼³°è ¹× Á¦ÀÛ ¿ø¸®¸¦ Á¤¸³ÇÏ¿´´Ù. À̸¦ ¹ÙÅÁÀ¸·Î HEART CPX Trailer °ü·Ã ¿¬±¸»ç·Ê¸¦ »ìÆìº¸¾ÒÀ¸¸ç, ¹Ý¹«Çâ½Ç Á¦ÀÛ¿¡ °üÇÑ ÀûÇÕ¼º, ÀåºñÀÇ ÃøÁ¤ Á¤¹Ðµµ ¹× ÇöÀå Àû¿ë¼º µîÀÇ °ËÁõÀ» À§ÇØ ´Ù¾çÇÑ ½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. HEART CPX Trailer ÀåºñÀÇ ¹Ý¹«Çâ½Ç Á¦ÀÛ¿¡ ´ëÇÑ ÀûÇÕ¼º ½ÃÇè¿¡¼­´Â °¢ Á֯ļö ´ë¿ªº°¿¡ µû¸¥ ÀûÇÕ¼º ¹× ½Å·Úµµ¸¦ È®ÀÎÇÒ ¼ö ÀÖ¾úÀ¸¸ç, µµ·Î ¼ÒÀ½Æ¯¼º Æò°¡¿ë Àåºñ·Î¼­ ÀûÇÕÇÏ´Ù°í ÆÇ´ÜµÈ´Ù. ¹Ýº¹ÃøÁ¤ ½ÃÇè¿¡¼­´Â °¢ ¼Óµµº° ¹× ¸¶ÀÌÅ©·ÐÆùÀÇ À§Ä¡º°·Î ¿ì¼öÇÑ ÃøÁ¤ Á¤¹Ðµµ¸¦ È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. °ø¿ë ÁßÀÎ »óÅ¿¡¼­ ¼öÇàÇÑ µµ·Î¼ÒÀ½ ÃøÁ¤ °á°ú´Â 2003³â Áß¾Ó´ëÇб³¿¡¼­ ±³Åë °³¹æ Àü¿¡ µ¿Àϱ¸°£¿¡ ´ëÇØ ¼öÇàÇÏ¿´´ø CPB ÃøÁ¤ °á°ú¿Í À¯»çÇÑ °æÇâÀ» º¸¿´´Ù. ÀÌ´Â °ßÀÎÂ÷·®ÀÇ ±â°è¼ÒÀ½À» ºñ·ÔÇÑ °ø¿ë ÁßÀÎ µµ·Î ÁÖº¯ÀÇ È¯°æ¼ÒÀ½À¸·ÎºÎÅÍ ¿µÇâÀ» °ÅÀÇ ¹ÞÁö ¾Ê±â ¶§¹®À̶ó ÆÇ´ÜµÇ¸ç, º» Àåºñ¸¦ Ȱ¿ëÇÑ´Ù¸é °ø¿ë Áß¿¡µµ °´°üÀûÀÎ ¼ÒÀ½ ÃøÁ¤ÀÌ °¡´ÉÇÔÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
This study develops the tire/pavement noise measuring trailer that can minimize the effect of various environmental noise and evaluate road noise characteristics without regard to time and spots. As literature reviews, it is examined into road noise characteristics and case studies of various CPX Trailer, and made a development plan of device. Based on these, HEART CPX Trailer is developed and conduct experiments for verification of the semi-anechoic chamber suitability, precision and field application of device. In the result of the experiment for verification of semi-anechoic chamber suitability, we can make sure that it is suitable and reliable among frequency bands. In the test of repetition measurement, we can verify excellent measurement accuracy among speeds and microphone's locations. In case of field tests using HEART CPX Trailer, it is founded that the result is similar to CPB test result carried out by Chung-Ang university in 2003. It can be concluded caused that the effect of environmental noise in and around the road including mechanical noise of a tow car was excluded. This paper confirmed and suggested that HEART CPX Trailer is suitable for evaluation of real road noise characteristics.
 
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ŸÀ̾î/Æ÷Àå ¼ÒÀ½;CPX Æ®·¹ÀÏ·¯;ÅØ½ºÃÄ;Á֯ļö ºÐ¼®;tire/road noise;CBP;CPX trailer;frequency analysis;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.8, no.3, 2006³â, pp.89-103
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200634741713338)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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