Automated Petri-Net Modelling for Batch Production Scheduling

Gradišar, Dejan; Mušič, Gasper

doi:10.5772/48467

Cited by 10 publications

(7 citation statements)

References 18 publications

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“…(Goossens, 2017) Currently, automated model development is more common with methods that allow easier and more standardized formal description of models, e.g. Petri nets (Conner, 1990), (Gradišar & Mušič, 2012). Automation of model construction and adaptation can significantly facilitate the development of models of complex systems (Lattner, Bogon, Lorion, & Timm, 2010), (Kannan & Santhi, 2013) and generation of simulation scenarios.…”

Section: The Need For a New Simulation Modelling Paradigmmentioning

confidence: 99%

Industry 4.0 and the New Simulation Modelling Paradigm

Rodič¹

2017

Organizacija

244

112

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Background and Purpose:The aim of this paper is to present the influence of Industry 4.0 on the development of the new simulation modelling paradigm, embodied by the Digital Twin concept, and examine the adoption of the new paradigm via a multiple case study involving real-life R&D cases involving academia and industry. Design: We introduce the Industry 4.0 paradigm, presents its background, current state of development and its influence on the development of the simulation modelling paradigm. Further, we present the multiple case study methodology and examine several research and development projects involving automated industrial process modelling, presented in recent scientific publications and conclude with lessons learned. Results: We present the research problems and main results from five individual cases of adoption of the new simulation modelling paradigm. Main lesson learned is that while the new simulation modelling paradigm is being adopted by big companies and SMEs, there are significant differences depending on company size in problems that they face, and the methodologies and technologies they use to overcome the issues. Conclusion: While the examined cases indicate the acceptance of the new simulation modelling paradigm in the industrial and scientific communities, its adoption in academic environment requires close cooperation with industry partners and diversification of knowledge of researchers in order to build integrated, multi-level models of cyber-physical systems. As shown by the presented cases, lack of tools is not a problem, as the current generation of general purpose simulation modelling tools offers adequate integration options.

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Section: The Need For a New Simulation Modelling Paradigmmentioning

confidence: 99%

Industry 4.0 and the New Simulation Modelling Paradigm

Rodič¹

2017

Organizacija

244

112

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“…The condition (5) states that machine regions must not intersect each other and the condition (6) implies that every machine must lie entirely with the factory floor area.…”

Section: Optimization Methodologymentioning

confidence: 99%

“…Automated model development is more common with methods that enable easier and more standardized formal description of models, e.g. Petri nets [4] and [5]. Automated model construction and adaptation can significantly facilitate the development of complex system models [6] and [7] and the generation of simulation scenarios.…”

Section: Previous Research (Review Of Literature)mentioning

confidence: 99%

Optimization of a furniture factory layout

Kanduč

Rodič

2015

Croat. Oper. Res. Rev.

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Abstract. This paper deals with the problem of optimizing a factory floor layout in a Slovenian furniture factory. First, the current state of the manufacturing system is analyzed by constructing a discrete event simulation (DES) model that reflects the manufacturing processes. The company produces over 10,000 different products, and their manufacturing processes include approximately 30,000 subprocesses. Therefore, manually constructing a model to include every subprocess is not feasible. To overcome this problem, a method for automated model construction was developed to construct a DES model based on a selection of manufacturing orders and relevant subprocesses. The obtained simulation model provided insight into the manufacturing processes and enable easy modification of model parameters for optimizing the manufacturing processes.Finally, the optimization problem was solved: the total distance the products had to traverse between machines was minimized by devising an optimal machine layout. With the introduction of certain simplifications, the problem was best described as a quadratic assignment problem. A novel heuristic method based on force-directed graph drawing algorithms was developed. Optimizing the floor layout resulted in a significant reduction of total travel distance for the products.

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“…The solution of this contradiction consists in the creation of a software product that provides an automated transition from a formal description of the object of a certain class to its simulation model intended for direct execution in a given simulation environment. This problem can be solved for a number of modern simulation systems (Gradišar & Mušič, 2012;Kanduč & Blaž, 2015).…”

Section: Introductionmentioning

confidence: 99%

Yet Another Business Process Modeling Concept

Aleksandr¹

2019

The European Proceedings of Social and Behavioural Sciences

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The task of business processes is important, relevant and occupies a worthy place in the field of business analysis. There is a large number of general purpose simulation systems, equipped with a detailed interface, statistical processing of simulation results and optimization of objects. The wide possibilities of objects of various types provided by such systems are accompanied by considerable difficulties in their mastering by users interested in business process but not being experts in the field of. In addition, manual construction of object simulation models in the environment can be very time-consuming. The article proposes an approach to the construction of a tool that provides automatic generation of executable simulation model of the business process, designed to run in the selected simulation system, but formed outside this environment. Such a tool can be a program-editor of a business process with the function of exporting a mathematical model of a business process to the executable file of its simulation model. The principal aspects of solving this problem in relation to simulation systems based on the formalisms of queuing networks and Petri nets are considered. A description is given of a functioning business process programeditor focused on using the GPSS World simulation system. The results of its application are demonstrated. The conclusion is made about the possibility and expediency of extending the proposed concept to other objects and simulation systems.

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Automated Petri-Net Modelling for Batch Production Scheduling

Cited by 10 publications

References 18 publications

Industry 4.0 and the New Simulation Modelling Paradigm

Industry 4.0 and the New Simulation Modelling Paradigm

Optimization of a furniture factory layout

Yet Another Business Process Modeling Concept

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