An Improved Lag-Time Compensation Technique in Distributed Networked Control System Based on Smith Predictor

被引：2

作者：

Kumar, Ratish ^{[1
]}

Kumar, Rajiv ^{[1
]}

Nigam, Madhav Ji ^{[1
]}

机构：

[1] Jaypee Univ Informat Technol, Solan 173234, HP, India

来源：

INFORMATICA-AN INTERNATIONAL JOURNAL OF COMPUTING AND INFORMATICS | 2021年 / 45卷 / 05期

关键词：

networked control system; smith predictor; delay compensation; kalman filter; markov approach; model estimation; LINEAR-SYSTEMS; DEAD-TIME; STABILIZATION; UNCERTAINTY; DESIGN; STATE;

D O I：

10.31449/inf.v45i5.3551

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

The geographically distributed feedback control loops connected via communication network elucidate the core of networked control system (NCS), wherein different users spread all over the world can regulate, direct and command the components of control system located at distant location. The proficiency of NCS provides sceptre to its user and multifaceted assignments are successfully endowed through it. The ascendancy of NCS is lowered through inconspicuous delays which destabilize the system. The induction of delays in the network lead to the proscription of packet delivery, bandwidth utilization and stable system response. In this manuscript Smith predictor is modified using Markov approach and Kalman estimation algorithm. The scheme has been implemented by using Matlab/ Simulink software for delay compensation. Performance analysis shows the robustness of modified Smith-Predictor controller in comparison to classical Smith predictor controller and proportional-integral-derivative based controllers.

引用

页码：605 / 611

页数：7

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