Controller Implementation by Communicating Asynchronous Sequential Circuits Generated from a Petri Net Specification of Required Behavior

  • This paper presents a completely systematic design procedure for asynchronous controllers.The initial step is the construction of a signal transition graph (STG, an interpreted Petri net) ofthe dialog between data path and controller: a formal representation without reference to timeor internal states. To implement concurrently operating control structures, and also to reducedesign effort and circuit cost, this STG can be decomposed into overlapping subnets. A univer-sal initial solution is then obtained by algorithmically constructing a primitive flow table fromeach component net. This step links the procedure to classical asynchronous design, in particu-lar to its proven optimization methods, without restricting the set of solutions. In contrast toother approaches, there is no need to extend the original STG intuitively.

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Metadaten
Author:Jochen Beister, Ralf Wollowski
URN (permanent link):urn:nbn:de:hbz:386-kluedo-104
Document Type:Preprint
Language of publication:English
Year of Completion:1999
Year of Publication:1999
Publishing Institute:Technische Universität Kaiserslautern
Tag:Control Design Styles ; Design Styles; Logic Design
Faculties / Organisational entities:Fachbereich Elektrotechnik und Informationstechnik
DDC-Cassification:620 Ingenieurwissenschaften und zugeordnete Tätigkeiten

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