Proceedings ArticleDOI
Remote controller design of networked control system using genetic algorithm
Kyung Chang Lee,Suk Lee +1 more
- Vol. 3, pp 1845-1850
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TLDR
The effect of the network delay on the control performance was evaluated on a Profibus-DP testbed, and a GA-based PID tuning algorithm is proposed to design controllers suitable for networked control systems.Abstract:
As many sensors and actuators are used in automated systems, various industrial networks are adopted for digital control systems. In order to take advantage of the networking, however, the network implementation should be carefully designed to satisfy real-time requirements considering network delays. This paper presents the implementation scheme of a networked control system via Profibus-DP network. More specifically, the effect of the network delay on the control performance was evaluated on a Profibus-DP testbed, and a GA-based PID tuning algorithm is proposed to design controllers suitable for networked control systems.read more
Citations
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Journal ArticleDOI
BP neural network prediction-based variable-period sampling approach for networked control systems
TL;DR: In this article, a variable-period sampling approach was used to predict the time delay induced by the random time-varying delay in the networked control system, which often causes system instability and even collapse.
A Self-tuning Fuzzy Controller for Networked Control System
TL;DR: A self-tuning fuzzy controller composed with two basic fuzzy controllers for NCS with the presence of networkinduced delay and data packet dropout is proposed and simulation results based on Truetime simulation platform verify the validity of the selftuning fuzzy controller.
Proceedings ArticleDOI
Fundamental problems of networked control system from the view of control and scheduling
Shanbin Li,Zhi Wang,Youxian Sun +2 more
TL;DR: This paper aims to introduce state of arts of NCS and point out the field of further researches.
Journal ArticleDOI
Network induced delay of asynchronous motor connected to Profibus-DP networks using fuzzy logic control algorithm
TL;DR: The aim of the study is to reduce the network-induced delay by the help of fuzzy logic algorithm and high speed data transfer feature of the Profibus-DP network structure.
Proceedings ArticleDOI
Fuzzy Immune Self-Regulating PID Control of Networked Control System
TL;DR: A fuzzy immune self- regulating PID control scheme is applied to NCS, in which parameter P is adaptively modulated by means of fuzzy immune algorithm, parameters I and D are dynamically regulated by fuzzy logic scheme.
References
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J. G. Ziegler,N. B. Nichols +1 more
TL;DR: In this paper, the three principal control effects found in present controllers are examined and practical names and units of measurement are proposed for each effect and corresponding units for a classification of industrial processes in terms of two principal characteristics affecting their controllability.
Optimum Settings for Automatic Controllers
TL;DR: In this paper, the three principal control effects found in present controllers are examined and practical names and units of measurement are proposed for each effect.
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TL;DR: In this article, it is demonstrated how dispensing with queues and dynamically scheduling control traffic improves closed-loop performance.
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Bor-Sen Chen,Yu-Min Cheng +1 more
TL;DR: A simple and facile design algorithm is proposed to solve the structure-specified H/sup /spl infin// optimization problem via genetic searching approach from suboptimal perspective and is very suitable for practical control systems.
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Fieldbuses and interoperability
TL;DR: The requirements for fieldbuses, their main traffic characteristics, the typical time constraints to be met, and the most current profiles defined in major products and standards are described.
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Remote Controller Design of networked Control System Using Genetic Algorithm
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