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Çѱ¹µµ·ÎÇÐȸ / v.9, no.4, 2007³â, pp.215-226
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( Data Processing and Numerical Procedures Influencing on Occupant Risk Indices )
±è±âµ¿;°í¸¸±â;³²¹Î±Õ; °øÁÖ´ëÇб³ °ø°ú´ëÇÐ °Ç¼³È¯°æ°øÇкÎ;°øÁÖ´ëÇб³ °ø°ú´ëÇÐ °Ç¼³È¯°æ°øÇкÎ;°øÁÖ´ëÇб³ °ø°ú´ëÇÐ °Ç¼³È¯°æ°øÇкÎ;
 
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Â÷·®¹æÈ£ ¾ÈÀü½Ã¼³¿¡ ´ëÇÑ ¼º´ÉÀÇ °ËÁõÀº Ãæµ¹½ÃÇèÀÇ °¡¼Óµµ¿Í °¢¼Óµµ µ¥ÀÌÅ͸¦ »ç¿ëÇÏ¿© »êÁ¤ÇÑ Å¾½ÂÀÚ ¾ÈÀüÁö¼ö¸¦ Æò°¡ÇÏ¿© ÀÌ·ç¾îÁø´Ù. ž½ÂÀÚ ¾ÈÀüÁö¼ö·Î´Â THIV(Theoretical Head Impact Velocity), PHD(Post-impact Head Deceleration), ASI(Acceleration Severity Index), OIV(Occupant Impact Velocity)¿Í ORA(Occupant Ridedown Acceleration)°¡ ÀÖ´Ù. ž½ÂÀÚ ¾ÈÀüÁö¼ö °è»ê¿¡ »óÀÌÇÑ µ¥ÀÌÅÍ Ã³¸®°úÁ¤°ú ¼öÄ¡ÀýÂ÷ÀÇ Àû¿ëÀÌ °¡´ÉÇϱ⠶§¹®¿¡ µ¿ÀÏÇÑ ½ÃÇè µ¥ÀÌÅÍ¿¡ ´ëÇÏ¿© ´Ù¾çÇÑ Å¾½ÂÀÚ ¾ÈÀüÁö¼ö°ªÀÌ °áÁ¤µÉ ¼ö À־ È¥¶õÀÌ ÃÊ·¡µÇ°í ÀÖ´Â ½ÇÁ¤ÀÌ´Ù. ÀÌ·¯ÇÑ ¹®Á¦¸¦ ÇØ°áÇϱâ À§ÇÏ¿© ´Ù¾çÇÑ »ó¼¼ÀýÂ÷¿Í µ¥ÀÌÅÍ Ã³¸®°úÁ¤ÀÌ Å¾½ÂÀÚ ¾ÈÀüÁö¼ö¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇÏ¿´´Ù. Áöħ¿¡ Á¦½ÃµÈ °èÃø½Ã°£°£°ÝÀ» »ç¿ëÇÏ¿© Â÷·®Ãæµ¹½ÃÇèÀÌ ¼öÇàµÈ´Ù¸é º¸°£¹ý°ú ¼öÄ¡ÀûºÐ¹æ¹ýÀº THIV¿Í OIV °ª¿¡ ¿µÇâÀ» Å©°Ô ¹ÌÄ¡Áö ¾Ê¾Ò´Ù. ±×¸®°í PHD¿¡ ´ëÇÑ 10msec À̵¿Æò±Õ¹æ¹ý°ú µ¥ÀÌÅÍ Ã³¸®°úÁ¤ÀÇ ¿µÁ¡º¸Á¤Àº ž½ÂÀÚ ¾ÈÀüÁö¼ö¿¡ »ó´çÇÑ ¿µÇâÀ» ¹ÌÄ¡±â ¶§¹®¿¡ ÀÌ¿¡ °üÇÑ ±¸Ã¼ÀûÀÎ ¹æ¹ýÀÌ Áöħ¿¡ ±ÔÁ¤µÇ¾î¾ß ÇÑ´Ù.
To verify the performance of roadside barriers, occupant risk indices are calculated from acceleration and angular velocity data of vehicle crash tests. The occupant risk indices to be computed include THIV(Theoretical Head Impact Velocity), PHD(Post-impact Head Deceleration), ASI(Acceleration Severity Index), OIV(Occupant Impact Velocity) and ORA(Occupant Ridedown Acceleration). There is a confusion due to different values of occupant risk indices produced for the same test data because various computational procedures and data processing methods can be applied to compute them. To slove this problem the effects of various numerical procedures and data processing methods on occupant risk indices were investigated. If the sampling rate specified in the guidelines is used for full-scale vehicle crash tests, an interpolation of impact time and numerical integration methods do not result in an appreciable change of THIV and OIV. The way to determine 10msec moving average for PHD and zero offset of data processing should be specified in the guidelines because 10msec moving average and zero offset methods have a significant influence on occupant risk indices.
 
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µµ·Î¾ÈÀü½Ã¼³;ž½ÂÀÚ¾ÈÀüÁö¼ö;roadside safety system;occupant risk indices;THIV;PHD;OIV;ORA;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.9, no.4, 2007³â, pp.215-226
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200706414148500)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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