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¡ã È£ÁÖ±¹¸³´ë ÀÌ¾È ÇÇÅͽ¼(Ian Petersen) ±³¼ö |
ICROS 2019¿¡¼ È£ÁÖ±¹¸³´ë ÀÌ¾È ÇÇÅͽ¼(Ian Petersen) ±³¼ö´Â ‘ºÒÈ®½Ç¼ºÀ» °®´Â ½Ã½ºÅÛÀÇ °ÀÎ Á¦¾î(Robust Control of Uncertain Systems)’¸¦ ÁÖÁ¦·Î ÃÊû °¿¬À» ÁøÇàÇß´Ù.
À̹ø ¹ßÇ¥´Â “I. R. Petersen and R. Tempo. Robust control of uncertain systems: Classical results and recent developments. Automatica, 50:1315-1335, 2014” ³í¹®À» ±â¹ÝÀ¸·Î Çϸç, ºÒÈ®½Ç¼ºÀ» °®´Â½Ã½ºÅÛ¿¡¼ °ÀÎ Á¦¾î ¿¬±¸ °á°úµéÀ» Àü¹ÝÀûÀ¸·Î ´Ù·ç°í ÀÖ´Ù.
°ÀÎ Á¦¾î°¡ º»°ÝÀûÀ¸·Î ¿¬±¸ µÇ¾ú´ø °è±â´Â ±âÁ¸ ÃÖÀû Á¦¾î ¹æ¹ý Áß ÇϳªÀÎ linear quadratic Gaussian optimal control ¹æ¹ýÀÌ ½ÇÁ¦ ½Ã½ºÅÛ¿¡¼ Á¸ÀçÇÏ´Â ºÒÈ®½Ç¼ºÀ» °í·ÁÇÏÁö ¾Ê¾Æ¼ ¼º´ÉÀÌ ¿¹»ó´ë·Î Àß ¸ÂÁö ¾Ê¾Ò°í, ¾ÈÁ¤¼ºÀÌ ºÎÁ·ÇÏ¿´´Ù´Â Á¡ÀÌ´Ù.
ÀÌ¿¡ 1981³â Zames´Â H-infinity control ¹æ¹ýÀ» Á¤¸³ÇÏ¿´°í, ÀÌ ¹æ¹ýÀº °ÀÎ Á¦¾î À̷п¡ ´ëÇÑ ±â¹ÝÀÌ µÈ´Ù. ºÒÈ®½Ç¼ºÀ» Æ÷ÇÔÇÑ ½Ã½ºÅÛÀ» ¼öÇÐÀûÀ¸·Î Ç¥ÇöÇÏ´Â ´ëÇ¥ÀûÀÎ ¸ðµ¨Àº linear fractional transformation modelÀÌ ÀÖ´Ù.
ÀÌ´Â ¿ì¸®°¡ ¾Ë°í ÀÖ´Â °øĪ ¸ðµ¨ÀÇ ÀÔ·Â, ½Ã½ºÅÛ, Ãâ·Â ¸ðµ¨¿¡ ´ëÇÑ °ü°è¿¡¼ ½Ã½ºÅÛ ºÒÈ®½Ç¼º¿¡ ÀÇÇÑ ¿µÇâ±îÁö °°ÀÌ °í·ÁÇÏ¿© Çà·Ä·Î Ç¥ÇöÇÏ´Â ¹æ¹ýÀ¸·Î, ½Ã½ºÅÛÀÇ °Àμº ¹× H-infinity control ¼³°è¿¡ ±â¹ÝÀÌ µÈ´Ù.
ºñ±¸Á¶ÈµÈ ºÒÈ®½Ç¼ºÀº Positive real uncertainty ¹× Negative imaginary uncertainty·Î ³ª´ ¼ö Àִµ¥, ÀüÀÚ´Â ÁÖ·Î ±â°è ½Ã½ºÅÛ¿¡¼ Èû ÀԷ°ú ¼Óµµ Ãâ·ÂÀÇ °ü°è¿¡¼ ÀÚÁÖ ³ªÅ¸³ª°í, ÈÄÀÚ´Â ÁÖ·Î ±â°è ½Ã½ºÅÛ¿¡¼ Èû ÀԷ°úÀ§Ä¡ Ãâ·Â °ü°è¿¡¼ ³ªÅ¸³´Ù.
À§ Á¤Àǵé°ú ºÐ¼® ¹æ¹ýÀ» ±âÃÊ·Î ºÒÈ®½ÇÇÑ ½Ã½ºÅÛÀÇ °ÀμºÀ» ºÐ¼®ÇÑ´Ù. Small Gain Theorem, Quadratic stability, Positive real function, passivity µî °íÀü À̷еéÀ» ¼Ò°³ÇÏ¿´°í, Negative imaginary stability °³³äÀ» ÀÌ¿ëÇÑ °ÀÎ ¾ÈÁ¤¼ºÀ» º¸¿´´Ù. ¸¶Áö¸·À¸·Î H-infinity control ¹®Á¦¸¦ °ø½ÄÈÇÏ°í °ÀμºÀ» °®´Â Á¶°ÇÀ» Á¦½ÃÇÏ¿´´Ù.
ÀÌ¾È ÇÇÅͽ¼ ±³¼ö´Â È£ÁÖ ºòÅ丮¾Æ(Victoria) Ãâ½ÅÀ¸·Î, 1984³â ·Îü½ºÅÍ(Rochester)´ëÇп¡¼ ÀüÀÚ°øÇÐÀ¸·Î ¹Ú»çÇÐÀ§¸¦ ¼ö¿©¹Þ¾Ò´Ù. 1983³âºÎÅÍ 1985³â±îÁö È£ÁÖ±¹¸³´ëÇп¡¼ ¹Ú»çÈÄ°úÁ¤À» ¸¶Ä¡°í, ±× ÈÄ 2016³â±îÁöUNSW ĵ¹ö¶óÀÇ Á¤º¸±â¼ú °øÇÐÀü¹®´ëÇÐÀÇ ±³¼ö·Î ±Ù¹«ÇßÀ¸¸ç 2017³âºÎÅÍ È£ÁÖ±¹¸³´ëÇÐÀÇ ±³¼ö·Î ÀçÁ÷ÇÏ°í ÀÖ´Ù.
±×´Â ARC Executive Director for Mathematics Information and Communication, Deputy Vice-Chancellor Research for UNSW ¹×Australian Federation Fellow·Î È°µ¿ÇÏ°í ÀÖ´Ù. ¶Ç IEEE Transactions on Automatic Control, Systems and Control letters, Automatica, IEEE Transactions on Control System Technology, SIAM Journal on Control and OptimizationÀÇ Associate editor·Î È°µ¿Çß´Ù. ±×¸®°íIFAC ¹× IEEE and the Australian Academy of ScienceÀÇ fellowÀÌ´Ù. ÁÖ ¿¬±¸ ºÐ¾ß´Â °ÀÎ Á¦¾î, ¾çÀÚ Á¦¾î ¹× È®·ü Á¦¾îÀÌ´Ù. |