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¿µ¹® Ç¥Áظí Exposure assessment of wireless power transfer system for implantable medical device(Technical Report)
ÇÑ±Û ³»¿ë¿ä¾à º» ±â¼úº¸°í¼­´Â ÀÎü »ðÀÔÇü ÀÇ·á ±â±â¿ë ¹«¼±Àü·ÂÀü¼Û ½Ã½ºÅÛÀÇ ÀüÀÚÆÄ ÀÎü ³ëÃâ·®¿¡ ´ëÇÑ »ç·Ê ¿¬±¸¸¦ ±â¼úÇÑ´Ù. ÀÌ »ç·Ê ¿¬±¸´Â IEC PAS 63184ÀÇ Æò°¡¹æ¹ýÀ» Àû¿ëÇÏ¿© Á¶»ç¡¤ºÐ¼®ÇÏ¿´´Ù. IEC PAS 63184¿¡¼­´Â ¹«¼±Àü·ÂÀü¼Û ½Ã½ºÅÛ¿¡ ´ëÇÑ ³ëÃâ·®À» Æò°¡ÇÏ°í ±âÁØ·¹º§ ¹× ±âº»ÇÑ°è Æò°¡¿¡ ´ëÇÑ ÀûÇÕ¼ºÀ» ÀÔÁõÇϴµ¥ 4´Ü°è ÀýÂ÷(1´Ü°è: ¹«¼±Àü·ÂÀü¼Û ½Ã½ºÅÛÀÇ Àü·ù¸¦ ±â¹ÝÀ¸·Î ÇÏ´Â Æò°¡, 2´Ü°è: ±âÁØ·¹º§¿¡ ´ëÇÑ ÀÔ»ç ÀüÀÚÆÄ °­µµ Æò°¡, 3´Ü °è: °áÇÕ °è¼ö¸¦ ÀÌ¿ëÇÑ ÀÔ»ç ÀüÀÚÆÄ Æò°¡, 4´Ü°è: ±âº»ÇÑ°è¿¡ ´ëÇÑ ³»ºÎ Àü±âÀå, À¯µµÀü·ù ¹Ðµµ, SAR Æò°¡)¸¦ Á¦½ÃÇÏ°í ÀÖ´Ù. ÀÎü »ðÀÔÇü ÀÇ·á ±â±â¿ë ¹«¼±Àü·ÂÀü¼Û ½Ã½ºÅÛÀº ÀÎü Á¶Á÷°ú Á÷Á¢ Á¢ÃËµÈ »óȲ¿¡¼­ µ¿ÀÛÇϱ⠶§¹®¿¡ 4´Ü°è Áß ³× ¹ø°ÀÎ ¼öÄ¡Çؼ® ¹æ¹ýÀ¸·Î Æò°¡ÇÏ¿´´Ù. µû¶ó¼­ ÀÎü »ðÀÔÇü ÀÇ·á ±â±â¿ë ¹«¼±Àü·ÂÀü¼Û ½Ã½ºÅÛ¿¡ ÀÇÇÑ ³»ºÎ Àü±âÀå°ú ÀüÀÚÆÄÈí¼öÀ²Àº ÇغÎÇÐÀû ÀÎü ¸ðµ¨À» ÀÌ¿ëÇÏ¿© °è»êÇÏ¿´´Ù.
¿µ¹® ³»¿ë¿ä¾à This technical report describes a case study on the human exposure assessment of a WPT system for IMDs. The case study was investigated and analyzed by applying the assessment method of IEC PAS 63184. In IEC PAS 63184, the four steps(1 st step: assessment based on coil current, 2 nd step: assessment of incident fields aginst reference levels, 3 rd step: assessment of incidnet fileds using couping factor, and 4 th step: assessment of internal electric files, current density and/or SAR against basic restrictions) to assess the WPT system exposure and demonstrate conformity with the basic restrictions and/or reference levels were presented. In the case of a WPT for IMDs, since it operates in direct contact with the biological tissue, it was evaluated by the numerical computation, which is the fourth procedure among above four steps. Therefore, the internal electric fields and SARs by the WPT system for IMDs were calculated using an anatomical human body model.
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