PERIODIC-SOLUTIONS OF RICCATI-EQUATIONS APPLIED TO MULTIRATE SAMPLING

被引：23
作者：
LENNARTSON, B
机构：
[1] Chalmers Univ of Technology, Sweden
来源：
INTERNATIONAL JOURNAL OF CONTROL | 1988年 / 48卷 / 03期
关键词：
Control Systems; Discrete Time--Analysis;
D O I：
10.1080/00207178808906233
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
From some basic relations in estimation theory, formulas are obtained for the periodic solution of Riccati equations. To obtain numerically stable algorithms, square root formulations are introduced. Both the discrete-time and continuous-time cases are considered. Closed-loop properties for periodic systems are also investigated. The results are applied to multirate measurement sampling. The control of a continuous stirred tank reactor serves as an illustrative example. The temperature measurements are complemented by concentration analysis available at a slower rate than the basic sampling and control rate. The results give some guidelines about the benefits of multirate sampling.
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收藏
页码：1025 / 1042
页数：18
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