Building reduced petri net models of discrete manufacturing systems

Rivera-Rangel, I.; Ramírez-Treviño, A.; López-Mellado, Ernesto

doi:10.1016/j.mcm.2004.08.008

Cited by 14 publications

(4 citation statements)

References 5 publications

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“…The fault recovery problem of discrete manufacturing systems is addressed through reconfiguration of Petri net models in [9]. To build reduced interpreted Petri net(IPN) models of discrete event systems (DES) is considered.…”

Section: Related Workmentioning

confidence: 99%

“…All the places are defined as Table 2. AGV is idle p 3 AGV is working p 4 part arrived by AGV p 5 part P1 has been in queue of B1 p 6 part P2 has been in queue of B2 p 7 robot R1 is idle p 8 robot R2 is idle p 9 part P1 is in the hand of robot R1 p 10 part P2 is in the hand of robot R2 p 11 robot R1 locates part P1 p 12 robot R2 puts part P2 at the initial position for assembly. p 13 robot R2 is assembling P 14 a component is in Robot R1…”

Section: B Definitions For Placesmentioning

confidence: 99%

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GSPN-based modeling and analysis for robotized assembly system

2009

2008 IEEE International Conference on Robotics and Biomimetics

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Generalized Stochastic Petri-Nets (GSPN) is a kind of high-level abstraction modeling tool for a system with complex state transitions. A GSPN model will conduce to rational decision making during a design process for a system. In this paper a robotized assembly system with complex workflow (assembly tasks flow) is studied, and GSPN model is used to analyze deeply qualitative and quantitative properties of the robotized assembly system. The model will facilitate assessing average performance and testing correctness and consistent of operating sequences of the robotized assembly system. Several performance indexes of GSPN model are formulated such as the probability of a state, math expectation of tokens of a place, firing rate of exponent transitions and average waiting time of a place. On the basis of the method, an A robotized assembly workstation for a automotive transmission component is designed and built successfully. Index Terms -GSPN, system modelling, robotized assembly system 978-1-4244-2679-9/08/$25.00 ©2008 IEEE

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Section: Related Workmentioning

confidence: 99%

Section: B Definitions For Placesmentioning

confidence: 99%

GSPN-based modeling and analysis for robotized assembly system

2009

2008 IEEE International Conference on Robotics and Biomimetics

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“…The growing complexity of PLC technology and user-imposed operational and security requirements require the development of novel control mechanisms. Petri nets are a mathematical and graphical modeling tool for industrial systems [1,4,[6][7][8][9][10][11][12][13][14][15][16][17][18][19][20]. Petri nets have several advantages over other programming tools, such as simple schematic diagram, hierarchical algorithms, and simple algebraic expression [21,22].…”

Section: Introductionmentioning

confidence: 99%

A Novel Method for Converting Colored Petri Nets to Ladder Diagram in the Automation of Automated Manufacturing Systems

et al. 2023

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The Ladder Diagram (LD) is an industry-standard programming language for constructing automated manufacturing systems (AMSs) control algorithms. Petri net (PN) theory, on the other hand, is a mathematical and graphical modeling tool for AMSs. Multiple types of PN-based LDs are designed for AMSs with highly complicated LD structures. Thus, it is necessary to propose a technique that can assist in the minimization of the structural complexity of LDs. The main purpose of this study is to propose a methodology for the implementation of LDs in AMSs. First, a colored resource-oriented Petri net (CROPN) is developed for modeling and guaranteeing the deadlock-free behavior of AMS. Second, a ladder diagram CROPN (LDCROPN) is constructed in order to transform the CROPN into an LD. The proposed LDCROPN is assessed using instances from the literature. The results show that the LDCROPN is effective, has a simpler structure, and has less computational overhead than existing techniques.

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“…The everincreasing complexity of the PLC software and user-imposed operational and security specifications require new techniques to meet the control requirements. Petri nets (PNs) are a very interesting and useful graphical and mathematical tool for the modeling and control of manufacturing systems [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17]. Indeed, PNs have advantages over other languages, including simple graphical representation (circles, rectangles, and arcs), structured algorithms, and simple algebraic representation [18,19].…”

Section: Introductionmentioning

confidence: 99%

Colored Resource-Oriented Petri Net Based Ladder Diagrams for PLC Implementation in Reconfigurable Manufacturing Systems

Kaid

Al-Ahmari

2020

IEEE Access

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A typical example of discrete event systems (DESs) is a reconfigurable manufacturing system (RMS) whose can be changed and become more complicated during its operation. Thus, an effective tool needs to be developed to create both high-and low-level DES implementation. The ladder diagram (LD) is a common programming method for controlling DESs. Petri nets (PNs) represent the most important graphical and mathematical tool that can be used to provide an integrated solution for the design, modeling, analysis, control, and implementation of DESs. Various types of PN-based LDs are developed for DESs, which have high structural complexity of the LDs. Therefore, an approach that can facilitate the elimination of the LDs' structural complexity needs to be developed. The main objective of this paper is to develop a two-step approach for LDs implementation for RMSs with dynamic changes. First, a colored resource-oriented Petri net (CROPN)-based algorithm is proposed for a rapid and valid configurations of an RMS. Second, a ladder diagram colored resource-oriented Petri net (LDCROPN) is developed to convert the CROPN into an LD. The developed approach is evaluated using examples in the literature. Moreover, the results demonstrate the effectiveness of the developed approach for LD implementation under RMS specification changes.

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Building reduced petri net models of discrete manufacturing systems

Cited by 14 publications

References 5 publications

GSPN-based modeling and analysis for robotized assembly system

GSPN-based modeling and analysis for robotized assembly system

A Novel Method for Converting Colored Petri Nets to Ladder Diagram in the Automation of Automated Manufacturing Systems

Colored Resource-Oriented Petri Net Based Ladder Diagrams for PLC Implementation in Reconfigurable Manufacturing Systems

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