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| Ｅａｒｔｈｑｕａｋｅｓｉｍｕｌａｔｉｏｎｃｏｎｔｒｏｌｏｆａｓｐｅｃｉｍｅｎｉｎｅｌａｓｔｏｐｌａｓｔｉｃｓｔａｇｅ |
| ＴＩＡＮＰａｎ１，２，ＣＨＥＮＺｈａｎｇｗｅｉ１ |
| １．ＳｔａｔｅＫｅｙＬａｂｏｒａｔｏｒｙｏｆＦｌｕｉｄＰｏｗｅｒＴｒａｎｓｍｉｓｓｉｏｎａｎｄＣｏｎｔｒｏｌ，ＺｈｅｊｉａｎｇＵｎｉｖｅｒｓｉｔｙ，Ｈａｎｇｚｈｏｕ３１００２７，Ｃｈｉｎａ；２．ＭｅｃｈａｎｉｃａｌＥｎｇｉｎｅｅｒｉｎｇＤｅｐａｒｔｍｅｎｔ，ＺｈｅｎｊｉａｎｇＣｏｌｌｅｇｅ，Ｚｈｅｎｊｉａｎｇ２１２００３，Ｃｈｉｎａ |
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Abstract Ａｃｃｅｌｅｒａｔｉｏｎｉｔｅｒａｔｉｖｅｃｏｎｔｒｏｌｉｓｇｅｎｅｒａｌｌｙｕｓｅｄｉｎａｄｖａｎｃｅｄｅａｒｔｈｑｕａｋｅｓｉｍｕｌａｔｉｏｎｔｅｓｔｓｃｕｒｒｅｎｔｌｙ．Ｔｏ
ｏｖｅｒｃｏｍｅｔｈｅｐｏｏｒｃｏｎｔｒｏｌｐｒｅｃｉｓｉｏｎｏｆａｎｅｌａｓｔｏｐｌａｓｔｉｃｓｐｅｃｉｍｅｎｄｕｅｔｏｌｏｗｕｐｄａｔｅｒａｔｅｏｆｔｈｉｓｃｏｎｔｒｏｌ，ａｎｅａｒｔｈｑｕａｋｅ
ｓｉｍｕｌａｔｉｏｎｒａｐｉｄｉｔｅｒａｔｉｖｅｃｏｎｔｒｏｌｗａｓｐｒｏｐｏｓｅｄ．Ｔｈｉｓｃｏｎｔｒｏｌｍｅｔｈｏｄｗａｓｕｓｅｄｔｏｉｄｅｎｔｉｆｙｔｈｅｓｙｓｔｅｍ ｉｍｐｅｄａｎｃｅｗｉｔｈｉｎ
ｌｏｗｅｒｆｒｅｑｕｅｎｃｙｂａｎｄａｎｄｍｉｄｄｌｅｆｒｅｑｕｅｎｃｙｂａｎｄ，ｒｅｓｐｅｃｔｉｖｅｌｙｗｉｔｈｄｉｓｐｌａｃｅｍｅｎｔａｎｄａｃｃｅｌｅｒａｔｉｏｎｃｏｎｔｒｏｌｓｉｇｎａｌｓｂａｓｅｄｏｎｄｉｆｆｅｒｅｎｔｆｒｅｑｕｅｎｃｙｒａｎｇｅｓ．Ｔｈｅｓｙｓｔｅｍ ｉｄｅｎｔｉｆｉｃａｔｉｏｎｐａｒａｍｅｔｅｒｓｗｅｒｅｓｅｔｓｏｔｈａｔｔｈｅｓｙｓｔｅｍ ｉｍｐｅｄａｎｃｅｗｉｔｈｉｎｌｏｗｅｒ
ｆｒｅｑｕｅｎｃｙｂａｎｄｈａｄａｈｉｇｈｅｒｆｒｅｑｕｅｎｃｙｒｅｓｏｌｕｔｉｏｎ，ｗｈｉｌｅｔｈｅｓｙｓｔｅｍｉｍｐｅｄａｎｃｅｗｉｔｈｉｎｍｉｄｄｌｅｆｒｅｑｕｅｎｃｙｂａｎｄｈａｄａｈｉｇｈｅｒ
ｕｐｄａｔｅｒａｔｅ．Ｔｈｅｓｙｓｔｅｍ ｄｒｉｖｅｓｉｇｎａｌｗａｓｇｅｎｅｒａｔｅｄｕｓｉｎｇｓｙｎｔｈｅｔｉｃｍｅｔｈｏｄｓ．Ｔｈｅｅｘｐｅｒｉｍｅｎｔａｌｒｅｓｕｌｔｓｏｂｔａｉｎｅｄｗｉｔｈ
ＺｈｅｊｉａｎｇＵｎｉｖｅｒｓｉｔｙｓｈａｋｉｎｇｔａｂｌｅｓｉｎｄｉｃａｔｅｄｔｈａｔｔｈｉｓｃｏｎｔｒｏｌｃａｎｓｈｏｒｔｅｎｔｈｅｐｅｒｉｏｄｏｆｔｈｅｓｙｓｔｅｍｉｍｐｅｄａｎｃｅｉｄｅｎｔｉｆｉｃａｔｉｏｎｔｏ５ｓｅｃｏｎｄｓ；ｕｓｉｎｇｔｈｉｓｃｏｎｔｒｏｌｃａｎｇｅｔａｈｉｇｈｅｒｉｄｅｎｔｉｆｉｃａｔｉｏｎｐｒｅｃｉｓｉｏｎａｆｔｅｒｔｗｏｅａｒｔｈｑｕａｋｅｓｉｍｕｌａｔｉｏｎｔｅｓｔｓ；ｅｖｅｎｔｈｏｕｇｈｔｈｅｓｐｅｃｉｍｅｎｔｒａｎｓｆｅｒｃｈａｒａｃｔｅｒｉｓｔｉｃｓｈａｖｅｓｕｄｄｅｎｃｈａｎｇｅｓ，ｔｈｅｔｅｓｔａｃｃｅｌｅｒａｔｉｏｎｃｏｒｒｅｌａｔｉｏｎｃｏｅｆｆｉｃｉｅｎｔｃａｎｒｅａｃｈ９０％．
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Received: 02 June 2013
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2014, Vol. 33 
