Title :
On PLC Implementation of Decentralized and Hierarchical Supervisory Control of Discrete-Event System
Author :
Ting Jiao ; Yongmei Gan
Author_Institution :
Sch. of Electr. Eng., Xi´an Jiaotong Univ., Xi´an, China
Abstract :
Even though several papers have researched the PLC-implementation of DES supervisory control, the general idea of implementation is not given in detail and the selection of controllable events at a single state remains unsolved. This paper demonstrates a general approach to realize the PLC- implementation of the monolithic, decentralized and hierarchical DES supervisory control. To solve the problem that only one controllable event can occur at a certain instant, this paper proposes some approaches to deal with the selection of controllable events at one single state, where several controllable events are eligible to occur. An experiment on a logistic sorting system is reported to show the validity of our approach.
Keywords :
decentralised control; discrete event systems; programmable controllers; sorting; DES supervisory control; PLC implementation; controllable events; decentralized supervisory control; discrete-event system; hierarchical supervisory control; logistic sorting system; Capacitive sensors; Computer crashes; Iron; Logistics; Sorting; Supervisory control; Programmable Logic Controller; decentralized supervisory control; discrete event system; hierarchical supervisory control; monolithic supervisory control;
Conference_Titel :
Computer Modelling and Simulation (UKSim), 2013 UKSim 15th International Conference on
Conference_Location :
Cambridge
Print_ISBN :
978-1-4673-6421-8
DOI :
10.1109/UKSim.2013.46
