Formal design methodology for transforming ladder diagram to Petri nets

Quezada, José Carlos Quezada; Medina, J.; Flores, Ernesto; Tuoh, J. C. Seck; Hernandez, Nestine Hope S.

doi:10.1007/s00170-014-5715-9

Cited by 9 publications

(6 citation statements)

References 7 publications

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“…Currently carried out experiments with machines assessment in the Dalian Machine Tool Group VDF-850D vertical machining center, performance indicators have reached the factory acceptance criteria, and has taken a solid step forward to achieve the 2020 highend CNC machine tools localization strategic objectives [1,5,10]. …”

Section: Discussionmentioning

confidence: 99%

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Application of Analog Inverter on Machine Tool

Liu¹

2015

Proceedings of the 2015 International Conference on Mechatronics, Electronic, Industrial and Control Engineering

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Section: Discussionmentioning

confidence: 99%

“…Transport the pulse generated by spindle encoder to analog inverter and then to CNC system to achieve the closedloop control of position, velocity and electricity [10].…”

Section: Control Loop Of Inverter Modementioning

confidence: 99%

Application of Analog Inverter on Machine Tool

Liu¹

2015

Proceedings of the 2015 International Conference on Mechatronics, Electronic, Industrial and Control Engineering

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“…Quezada et al [14] developed a further element-wise conversion method of LLD to PNs. Specifically, the authors translate five predefined popular control line types to a PN which they call a Ladder Diagram Petri Net.…”

Section: Related Workmentioning

confidence: 99%

Process Mining of Programmable Logic Controllers: Input/Output Event Logs

Theis

Mokhtarian

Darabi

2019

2019 IEEE 15th International Conference on Automation Science and Engineering (CASE)

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This paper presents an approach to model an unknown Ladder Logic based Programmable Logic Controller (PLC) program consisting of Boolean logic and counters using Process Mining techniques. First, we tap the inputs and outputs of a PLC to create a data flow log. Second, we propose a method to translate the obtained data flow log to an event log suitable for Process Mining. In a third step, we propose a hybrid Petri net (PN) and neural network approach to approximate the logic of the actual underlying PLC program. We demonstrate the applicability of our proposed approach on a case study with three simulated scenarios.

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“…In control algorithms there are two types of logical blocks for DES, regardless of the programming language that is used: blocks with discrete inputs and outputs and blocks with discrete and analog inputs, but with a single discrete output. In [12], [13], a method is proposed to transform control algorithms in LD to PN (LDPN) of basic logic: AND, OR, AND-OR Set-Reset and Crossedcontacts. A new PN is defined that only includes the blocks with discrete stands and exits.…”

Section: Introductionmentioning

confidence: 99%

Formal design methodology for transforming ladder diagram to Petri nets: Scope of the LDPN.

Quezada

Flores²,

Baños³

et al. 2022

Preprint

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Control algorithms for programmable logic controllers are still developed based on the experience of those responsible for control in the industry. The IEC-61131-3 standard considers five programming languages: Ladder Diagram, Structured Text, Function Block Diagram, Instruction List, and Sequential Function Diagram, which use different function blocks to develop control algorithms. Within the control algorithms for discrete event systems there are two types of blocks: those with discrete inputs and outputs, and those with discrete and analog inputs and discrete output. Of the latter, the present research shows the analysis and formal model of the blocks including the problems of accumulation of tokens and the restoration of the coils. Expanding the scope of the Ladder Discrete Petri Net proposal and therefore the analysis and simulation of control algorithms with a greater degree of complexity.

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Formal design methodology for transforming ladder diagram to Petri nets

Cited by 9 publications

References 7 publications

Application of Analog Inverter on Machine Tool

Application of Analog Inverter on Machine Tool

Process Mining of Programmable Logic Controllers: Input/Output Event Logs

Formal design methodology for transforming ladder diagram to Petri nets: Scope of the LDPN.

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