Practice of Petri Nets in Manufacturing

Häftad, Engelska, 2012

1 326 kr

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Beskrivning

M. Silva Significant changes have been occurring in industrialized countries since the Second World War. Production is moving towards sophisticated high qUality products, economy of scale has been replaced by economy of scope, jerky demands are progressively replacing steady demands, and competi tiveness is becoming a worldwide phenomenon. These trends require highly automated manufacturing systems with small set-up times and high flex ibility. As a consequence, implementation and running costs of modem manufacturing systems are drastically increasing, whereas their fields of application remain limited, and every day become even narrower, which increases the risk of early obsolescence. This is the reason why designers are trying to improve the preliminary design phase, also known as the 'paper study phase'. The preliminary design phase includes, but is not limited to, the func tional specification, and the evaluation of the system. Many tools exist to support the functional specification of manufactur ing systems. IDEFO is one of these tools. It leads, using a top-down ap proach, to a precise functional description of the required system. However, its use cannot be extended further. In general, the evaluation starts with a modeling step, which depends on the evaluation tool used, and ends by applying the model to find out its main dynamic characteristics. Two main approaches can be used to perform this task, namely simulation and math ematical approach. Using simulation, the modeling tool is either a classical computer language, or a simulation language.

Produktinformation

Utgivningsdatum:2012-03-07
Mått:155 x 235 x 17 mm
Vikt:464 g
Format:Häftad
Språk:Engelska
Antal sidor:320
Förlag:Springer
ISBN:9789401169578

Utforska kategorier

Teknik: allmänt inom Naturvetenskap och teknik

Recensioner i media

'...an excellent introduction to and overview of Petri Net theory...a comprehensive view of Petri Net theory and practice.' Production Planning and Control '...the book is a welcome attempt in showing how PNs can be used in the specification, modelling and performance evaluation of modern manufacturing systems.' International Journal of Computer Integrated Manufacturing

Innehållsförteckning

1 Introducing Petri nets.- 1.1 Introduction.- 1.2 Nets and net systems.- 1.3 On modeling features.- 1.4 On net systems interpretations.- 1.5 Approaching concurrency qualitative problems.- 1.6 Qualitative analysis of net system models.- 1.7 Some net subclasses and their analysis.- 1.8 Concluding remarks.- 1.9 Bibliographical remarks.- 2 Principles of system modeling.- 2.1 Manufacturing system modeling: basic concepts.- 2.2 Transportation system between two points on a shop-floor.- 2.3 Storage facilities.- 2.4 Operation modeling.- 2.5 Tool systems.- 2.6 Material-handling systems.- 2.7 Conclusion.- 3 Synthesis for manufacturing systems integration.- 3.1 Introduction to synthesis.- 3.2 Bottom-up synthesis.- 3.3 Top-down methods.- 3.4 Hybrid synthesis: combining top-down and bottom-up.- 3.5 Summary.- 4 Performance evaluation of manufacturing systems.- 4.1 Introduction.- 4.2 Event graphs: definition and properties.- 4.3 Manufacturing systems working on a cyclic basis.- 4.4 The general case.- 5 Petri nets for manufacturing information systems.- 5.1 Introduction.- 5.2 Basics of manufacturing information systems.- 5.3 High-level Petri nets.- 5.4 Organization analysis and conceptual database design.- 5.5 Modeling, analysis and implementation of company policies.- 5.6 Conclusions.

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