On geometric and analytic constraints in the H∞ fixed-lag smoothing

被引：8

作者：

Mirkin, Leonid ^{[1
]}

Tadmor, Gilead

机构：

[1] Technion Israel Inst Technol, Fac Mech Engn, IL-32000 Haifa, Israel

[2] Northeastern Univ, Dept Elect & Comp Engn, Boston, MA 02115 USA

来源：

IEEE TRANSACTIONS ON AUTOMATIC CONTROL | 2007年 / 52卷 / 08期

关键词：

H-infinity optimization; Nehari problem; preview; stabilization;

D O I：

10.1109/TAC.2007.902772

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Limiting factors on achievable H performance in the continuous-and discrete-time fixed-lag smoothing problems are shown to include geometric constraints, inherited from the fixed-interval (L-infinity) problem, and analytic constraints, affected by the preview interval. Thus, the fixed-lag problem is viewed as a constrained version of its fixed-interval counterpart. The analysis sheds light on the dependence of achievable performance on the preview length and, in particular, on the generic presence of performance saturation at a finite preview interval.

引用

下载

页码：1514 / 1519

页数：6

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