Title :
PLC implementation of decentralized supervisory control for Dynamic Flow Controller
Author :
Afzalian, A. ; Noorbakhsh, M. ; Nabavi, S.A.
Author_Institution :
Shahid Abbaspour Univ. of Technol., Tehran
Abstract :
The paper discusses synthesis and physical implementation of decentralized supervisory controller of the dynamic flow controller (DFC) as a discrete-event system. The local plants have been used for synthesizing of decentralized supervisory controller for easier implementation of overall control system. A heuristic method is developed for easier implementation of the supervisor on a programmable-logic-controller (PLC), to overcome the implementation problems in the auto/manual mode of DFC operation. A step - by- step procedure is developed to generate a ladder diagram which implements the DES supervisory control on a PLC. The proposed approach for implementation of modular controllers can be used to implement any modular supervisory control in practice.
Keywords :
decentralised control; discrete event systems; flexible AC transmission systems; load regulation; programmable controllers; PLC implementation; decentralized supervisory control; discrete-event system; dynamic flow controller; programmable-logic-controller; Automata; Automatic control; Control system synthesis; Control systems; Digital-to-frequency converters; Discrete event systems; Manuals; Power system modeling; Programmable control; Supervisory control; Discrete Event system; Dynamic Flow Controller; Programmable Logic Controller; Supervisory Control Theory;
Conference_Titel :
Control Applications, 2008. CCA 2008. IEEE International Conference on
Conference_Location :
San Antonio, TX
Print_ISBN :
978-1-4244-2222-7
Electronic_ISBN :
978-1-4244-2223-4
DOI :
10.1109/CCA.2008.4629673
