Smart Relay-Based Online Estimation of Process Model Parameters

被引：0
|
作者：
Bajarangbali [1 ]
Majhi, Somanath [1 ]
机构：
[1] Indian Inst Technol, Dept Elect & Elect Engn, Gauhati 781039, India
来源：
PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON SOFT COMPUTING FOR PROBLEM SOLVING (SOCPROS 2012) | 2014年 / 236卷
关键词：
Relay; Hysteresis; Smart relay; Process model; UNSTABLE PROCESSES; IDENTIFICATION;
D O I：
10.1007/978-81-322-1602-5_125
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper presents online estimation of unstable and integrating time delay process model parameters using a smart relay. The describing function (DF) approximation of relay not only results in simpler analytical expressions but also enables one to estimate the model parameters with significant accuracy. Measurement noise is an important issue during estimation of process model parameters. The smart relay is capable of emulating the dynamics of a conventional relay and also of rejecting the ill effects of measurement noise. Simulation results show the usefulness of the identification technique.
引用
收藏
页码：1195 / 1203
页数：9
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