A directed graph model for distributed sequential control
by Szer-Ming Lee, Geok-Soon Hong, Yoke-San Wong, Chee-Meng Chew
International Journal of Computer Applications in Technology (IJCAT), Vol. 10, No. 5/6, 1997

Abstract: With the rapid emergence of fieldbus systems, there is a trend towards distributed control with intelligent sensors and actuators interconnected via a communication network. This paper presents a new approach of sequential control using fieldbus technology. The distributed sequential control system consists of a group of intelligent nodes of sensors and actuators communicating with one another via a network to achieve a sequence of control actions without a master controller. A directed graph model has also been developed to facilitate the configuration for the distributed control system. It translates a user-defined sequence of control actions to a Petri net model and analyses the Petri net to check feasibility of the sequence. It can also generate the necessary network data for the distributed sequential control.

Online publication date: Mon, 02-Jun-2014

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