Priority polling and dynamic time-window mechanisms in a multicycle Fieldbus

Author

Raja, Prasad ; Ulloa, Gonzalo

Author_Institution

Ecole Polytech. Lausanne, Switzerland

fYear

1993

fDate

24-27 May 1993

Firstpage

452

Lastpage

460

Abstract

Real-time local area networks have to handle synchronous and asynchronous data transfer. The data transfer is handled in two different phases or time windows. Priority polling algorithms that generate the polling sequence for the data transfer automatically respecting the periodic deadlines are presented. Dynamic mechanisms to extend time-windows are introduced and the network bandwidth is utilized more efficiently. These algorithms are computed during the real-time operation of the network

Keywords

local area networks; manufacturing data processing; multiprogramming; network interfaces; scheduling; asynchronous data transfer; dynamic mechanisms; dynamic time-window mechanisms; local area networks; multicycle Fieldbus; network bandwidth; periodic deadlines; polling sequence; priority polling algorithms; real-time LANs; real-time operation; Bandwidth; Communication system control; Computer networks; Field buses; Intelligent networks; Local area networks; Master-slave; Production facilities; Programmable control; Synchronous generators;

fLanguage

English

Publisher

ieee

Conference_Titel

CompEuro '93. 'Computers in Design, Manufacturing, and Production', Proceedings.

Conference_Location

Pris-Evry

Print_ISBN

0-8186-4030-8

Type

conf

DOI

10.1109/CMPEUR.1993.289840

Filename

289840