Identification of two-input two-output process using state-space analysis

被引：6
|
作者：
Nema, Swapnil [1 ]
Padhy, Prabin Kumar [1 ]
机构：
[1] Indian Inst Informat Technol, ECE, Jabalpur 482005, MP, India
来源：
IET CONTROL THEORY AND APPLICATIONS | 2015年 / 9卷 / 13期
关键词：
hysteresis; MIMO systems; matrix algebra; delays; state-space methods; measurement noise; chattering; limit cycle measurements; FOPDT models; first-order plus delay time models; transfer matrix; hysteresis relay; TITO process; state-space analysis; two-input two-output process; RELAY; DESIGN; FOPDT; CONTROLLERS;
D O I：
10.1049/iet-cta.2014.1079
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
An analytical expression for the exact identification of two-input two-output (TITO) process using hysteresis relay is presented in this study. The identified transfer matrix consists of four independent first-order plus delay time (FOPDT) models and the time constants, delays and the gains of the FOPDT models are obtained from the limit cycle measurements. In this study, analytical expressions are derived using state-space analysis to identify the exact transfer matrix of the TITO process (TITO system). Problem of chattering and measurement noise is attenuated using relay with hysteresis. The simulation examples and real-time experiment show the effectiveness of the proposed method.
引用
收藏
页码：2029 / 2038
页数：10
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