Forrester diagrams and continuous Petri nets: A comparative view

  1. Jiménez, E. 2
  2. Recalde, L. 1
  3. Silva, M. 1
  1. 1 Universidad de Zaragoza
    info

    Universidad de Zaragoza

    Zaragoza, España

    ROR https://ror.org/012a91z28

  2. 2 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

Buch:
IEEE Symposium on Emerging Technologies and Factory Automation, ETFA

Verlag: IEEE

ISBN: 0-7803-8566-7

Datum der Publikation: 2001

Ausgabe: 2

Seiten: 85-94

Art: Buch-Kapitel

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SCOPUS: 2-s2.0-0035557239 WoS: WOS:000176706000011 GOOGLE SCHOLAR
Institutionelles Repository: lock_openOpen Access Editor

Zusammenfassung

Forrester Diagrams (FD) and Petri Nets (PN) are formalism introduced in the sixties to model complex systems. This paper explores similarities and differences between FDs and the continuous relaxation of the originally discrete PNs. Historically speaking, the approaches were quite different: the PNs paradigm was introduced at a very abstract level, without timing interpretation, while FDs led to a modelling methodology were the systematic simulation of a set of differential equations was the goal. Strict flow conservation around valves, non explicit fork and join operations, separation of information and material flows, are peculiarities of FDs. In PN models the existence of global conservation laws is a potential for structural analysis.