| H_∞ two-block design of servo systems |
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| 引用本文： | 王广雄
,王新生.H_∞ two-block design of servo systems[J].哈尔滨工业大学学报(英文版),2002,9(2). |
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| 作者姓名： | 王广雄 王新生 |
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| 作者单位： | Dept. of Control Engineering，Harbin Institute of Technology，Harbin 150001，China |
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| 基金项目： | SponsoredbytheSpecialFundofChinaforPh .D .InstructorsinUniversities(GrantNo .960 2 13 14 ) |
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| 摘 要： | 0 ＩＮＴＲＯＤＵＣＴＩＯＮＳｅｒｖｏｓｙｓｔｅｍｓａｒｅｔｈｅｍｏｓｔｃｏｍｍｏｎｆｅｅｄｂａｃｋｃｏｎｔｒｏｌｓｙｓｔｅｍｓ.ＢｕｔｔｈｅｒｅａｒｅｓｏｍｅｐｒｏｂｌｅｍｓｉｆｔｈｅｓｅｒｖｏｓｙｓｔｅｍｉｓｄｅｓｉｇｎｅｄｂｙｔｈｅｕｓｕａｌＨ∞ｃｏｎｔｒｏｌｔｈｅｏ ｒｙ.Ｂｅｃａｕｓｅｔｈｅｒｅｉｓａｎｉｎｔｅｇｒａｔｉｏｎｉｎｃｌｕｄｅｄｉｎｔｈｅｐｌａｎｔｄｙｎａｍｉｃｓ,ｓｏｔｈｅＨ∞ｓｅｒｖｏｃｏｎｔｒｏｌｌｅｒＫ(ｓ)ｉｎｔｈｅｕｓｕａｌＳ/Ｔｔｗｏ ｂｌｏｃｋｐｒｏｂｌｅｍｗｉｌｌ…
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| 关 键 词： | H ∞ design pole/zero cancellation PS/T problem servo system |
H∞ two-block design of servo systems |
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| WANG Guang-xiong,WANG Xin-sheng.H∞ two-block design of servo systems[J].Journal of Harbin Institute of Technology,2002,9(2). |
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| Authors: | WANG Guang-xiong WANG Xin-sheng |
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| Abstract: | The usual mixed sensitivity H∞ design is not suitable for servo design,because there exist pole/zero cancellations and the resulting control law will include a pure differentiation factor.This paper presents an alternative design,i.e.the PS/Ttwo-block design.It is proved that in the PS/Tproblem there is no cancellation of the plant poles by the controller.The PS/T problem can take full advantage of the two-block design approach:simplicity and intuition.And the use of PS in design is more practical for it represents the systems disturbance rejection performance.The PS/T two-block design details are discussed and illustrated by an example.The resuits of this paper can also be used for MIMO systems. |
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| Keywords: | pole/zero cancellation PS/T problem servo system |
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