The classic functional block diagram of closed loop control (CLC) describes the signal ways of an isolated loop, while today’s CLC is a subsystem of the entire automation system with interconnected devices, in which messages, data, and information flow. The industrial automation systems are unthinkable without logical control, man-machine interface, and bus systems. To show the discrepancy between idealized functional block diagrams of CLC and real control systems, this chapter briefly describes how the automation was historically developed and how industrial automation systems are structured today. The principles of the CLC are briefly described and illustrated with some examples. It justified the need to represent a CLC with new means like data networks. The new concepts like system approach, symmetry and antisymmetry, bus approach, and Data Stream Management (DSM), proposed in this book, are briefly introduced in this chapter.
Closed Loop Control and Management
Closed Loop Control and Management ; Chapter : 1 ; 1-41
2023-02-14
41 pages
Article/Chapter (Book)
Electronic Resource
English
Closed loop control , Open loop control , Feedback control , Plant , Set Point , Transfer function , Functional block diagram , Automation system , Bus , Information , Industry 4.0 , Data Steam Management Engineering , Control and Systems Theory , Electrical Engineering , Control, Robotics, Mechatronics , Systems Theory, Control , Mechatronics , Mechanical Engineering , Mathematics and Statistics
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