| An Application of Optimal Preview Control in Terrain Following System |
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| 作者姓名： | Li Dongmei Dept. of Precision Instrument and Mechanics Tsinghua University Beijing P.R.China Zhou Di Hu Zhenkun & Hu Hengzhang Dept. of Control Science and Engineering Harbin Institute of Technology Harbin P.R.China |
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| 作者单位： | Li Dongmei Dept. of Precision Instrument and Mechanics，Tsinghua University，Beijing 100084，P.R.China Zhou Di，Hu Zhenkun & Hu Hengzhang Dept. of Control Science and Engineering，Harbin Institute of Technology，Harbin 150001，P.R.China |
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| 基金项目： | ThisprojectwassupportedbyInnovationFoundationofChineseAstronauticalScienceandTechnologyGroupandScientific
ResearchFoundationofHIT(HIT .2 0 0 0 .39) |
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| 摘 要： | 1 .ＩＮＴＲＯＤＵＣＴＩＯＮＣｒｕｉｓｅｍｉｓｓｉｌｅｉｓａｎｅｆｆｅｃｔｉｖｅｗｅａｐｏｎｉｎｍｏｄｅｒｎｗａｒ.Ｉｎｏｒｄｅｒｔｏｉｍｐｒｏｖｅｉｔｓｖｉａｂｉｌｉｔｙ ,ａｇｏｏｄｐｉｔｃｈｃｏｎｔｒｏｌｌｅｒｓｈｏｕｌｄｂｅｄｅｓｉｇｎｅｄｔｏｍａｋｅｔｈｅｍｉｓｓｉｌｅ’ｓｆｌｉｇｈｔａｌｔｉｔｕｄｅｆｏｌｌｏｗａｃｅｒｔａｉｎｔｅｒｒａｉｎ .Ｉｎｔｈｅｐｒｅｖｉｏｕｓｌｉｔｅｒａｔｕｒｅｏｐｔｉ ｍａｌｃｏｎｔｒｏｌａｎｄｐｒｅｄｉｃｔｉｖｅｃｏｎｔｒｏｌｗｅｒｅａｐｐｌｉｅｄｔｏｔｈｅ…
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An Application of Optimal Preview Control in Terrain Following System |
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| Li Dongmei Dept. of Precision Instrument and Mechanics,Tsinghua University,Beijing ,P.R.China Zhou Di,Hu Zhenkun & Hu Hengzhang Dept. of Control Science and Engineering,Harbin Institute of Technology,Harbin ,P.R.China.An Application of Optimal Preview Control in Terrain Following System[J].Journal of Systems Engineering and Electronics,2002,13(1). |
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| Authors: | Li Dongmei Zhou Di Hu Zhenkun Hu Hengzhang |
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| Abstract: | An optimal preview method is applied to the design of terrain following controller for cruise missile. In this method, tracking errors and control increments are both considered in the quadratic cost function. Integrating the general optimal servo system with a preview feedforward compensation that feeds forward future command and future disturbance produces an optimal preview servo system. In the terrain following system, the flight altitude of the cruise missile is a command signal, and its future information can be known apriori. Hence, we have designed a terrain following controller with a basic state feedback and a feedforward compensation for future altitude information. Simulation results show that the performance of the terrain following system with such an optimal preview controller has been improved dramatically. |
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| Keywords: | Cruise missile Terrain following Preview control Optimal control Feedforward compensation |
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