Networked Control Systems: Research Challenges and Advances for Application

Eduardo Paciencia Godoy (Editor)
São Paulo State University (Unesp), Sorocaba, SP, Brazil

Series: Electrical Engineering Developments
BISAC: COM014000

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Edited by I Leslie Rubin, Robert J Geller, Abby Mutic, Benjamin A Gitterman, Nathan Mutic, Wayne Garfinkel, Claire D Coles, Kurt Martinuzzi, and Joav Merrick

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The research topic of networked control systems has been the focus over the last 15 years for the academic and industrial sectors. Networked control systems (NCSs) are distributed control systems in which the sensors, actuators, and controllers are physically separated and connected through an industrial network. NCSs represent the evolution of control architectures, providing greater modularity and control decentralization, maintenance ease and diagnosis, and lower cost of implementation. The R&D on NCSs has been overcoming the effects of the network delays, packet losses and message sampling intervals on NCS performance and stability.

The advances in wireless networking technology and the proliferation of industrial wireless sensors have led to an increasing interest in using wireless networks for closed loop control. The main advantages of Wireless Networked Control Systems (WNCSs) are the reconfigurability, easy commissioning and the possibility of installation in places where cabling is impossible. Despite these advantages, a major problem must be considered for practical implementations of WNCSs. The technological concern in WNCSs is the energy efficiency of the devices.

As the sensors are powered by batteries, the lowest possible consumption is required to extend battery lifetime without compromising the WNCS control performance. Recently, there has been great interest in the development of IoT-based NCSs. This new type of architecture in which control systems are integrated with IoT-based infrastructures represents the next evolution of networked control architectures. Even though this idea enables a whole range of novel functionalities, feedback control design and architectures for IoT imposes significant challenges that have not been addressed yet. This book compiles the last theoretical and experimental results in the topics of NCSs and WNCSs and starts discussing the last trend of IoT-based NCSs. The book focuses on presenting the research challenges within these topics and the last advances to enable their application in the industry. (Nova

Preface

Chapter 1. Networked Control Systems with Sampling Interval Adaptation
(Eduardo Paciência Godoy and Arthur José Vieira Porto, São Paulo State University (Unesp), Sorocaba, SP, Brazil, and others)

Chapter 2. Switching Controller Synthesis for Networked Control Systems with Varying Sampling Intervals
(Vitor Mateus Moraes, Eugênio de Bona Castelan Neto, Ubirajara Franco Moreno and Luis Almeida, Instituto Federal Catarinense – Campus São Francisco do Sul, São Francisco do Sul, Brazil, and others)

Chapter 3. Wireless Networked Control Systems: Principles and Evaluation
(Guilherme Bertelli and Ivanovitch Silva, Nucleus of Research and Innovation in Information Technology, Graduate Program in Electrical and Computer Engineering, Federal University of Rio Grande do Norte, Natal, RN, Brazil, and others)

Chapter 4. Optimal Placement of Routers in Industrial Wireless Networks Based on Multi-Objectives
(Anderson Costa Silva dos Santos, Daniel Lopes Martins, Heitor Medeiros Florencio, Jorge Dantas Melo and Adrião Duarte Dória Neto, Department of Computer and Automation Engineering, Federal University of Rio Grande do Norte, Natal, RN, Brazil)

Chapter 5. The Study of Communication between Distributed Generation Devices in a Smart Grid Environment
(Jefferson Aparecido Dias, Paulo José Amaral Serni and Eduardo Paciência Godoy, São Paulo State University (Unesp), Sorocaba, SP, Brazil)

Chapter 6. Multi-Rate Model Predictive Control for Energy Efficiency in Wireless Networked Control Systems
(Felipe Fakir and Eduardo Paciência Godoy, São Paulo State University (Unesp), Sorocaba, SP, Brazil)

Chapter 7. IoT-based Networked Control Systems: A Proposal and Case Study
(Jeferson André Bigheti and Sérgio Luiz Rizzo and Eduardo Paciência Godoy,National Service of Industrial Training (SENAI), Lençóis Paulista, SP, Brazil, and others)

Index

Keywords: Networked Control Systems, Wireless Networked Control Systems, Network delays, Control performance, Multi-rate Control, Model Predictive Control, Switching control, Energy efficiency

The book is intended for graduate students, researches, and specialists with interest in the study of distributed systems, control over networks and communications problems.

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