Proportional stabilization and closed-loop identification of an unstable fractional order process

被引：12
作者：
Tavakoli-Kakhki, Mahsan [1 ]
Tavazoei, Mohammad Saleh [2 ]
机构：
[1] KN Toosi Univ Technol, Fac Elect Engn, Tehran, Iran
[2] Sharif Univ Technol, Dept Elect Engn, Tehran, Iran
来源：
JOURNAL OF PROCESS CONTROL | 2014年 / 24卷 / 05期
基金：
美国国家科学基金会;
关键词：
Unstable fractional order process; Closed-loop identification; Step response; Stabilization; MODEL; CALCULUS; SYSTEMS;
D O I：
10.1016/j.jprocont.2014.02.019
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper deals with proportional stabilization and closed-loop step response identification of the fractional order counterparts of the unstable first order plus dead time (FOPDT) processes. At first, the necessary and sufficient condition for stabilizability of such processes by proportional controllers is found. Then, by assuming that a process of this kind has been stabilized by a proportional controller and the step response data of the closed-loop system is available, an algorithm is proposed for estimating the order and the parameters of an unstable fractional order model by using the mentioned data. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：542 / 549
页数：8
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