A feedback scheduler for real-time controller tasks

被引：84
|
作者：
Eker, J [1 ]
Hagander, P [1 ]
Årzén, KE [1 ]
机构：
[1] Lund Inst Technol, Dept Automat Control, S-22100 Lund, Sweden
来源：
CONTROL ENGINEERING PRACTICE | 2000年 / 8卷 / 12期
关键词：
real-time; feedback scheduling; linear quadratic control; optimization;
D O I：
10.1016/S0967-0661(00)00086-1
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The problem studied in this paper is how to distribute computing resources over a set of real-time control loops in order to optimize the total control performance. Two subproblems are investigated: how the control performance depends on the sampling interval, and how a recursive resource allocation optimization routine can be designed. Linear quadratic cost functions are used as performance indicators. Expressions for calculating their dependence on the sampling interval are given. An optimization routine, called a feedback scheduler, that uses these expressions is designed. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1369 / 1378
页数：10
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