Network simulation of the sewage treatment system in machine-building enterprises

Vorontsova, Valeriya Leonidovna; Savdur, Svetlana

doi:10.1088/1757-899x/994/1/012044

IOP Conf. Ser.: Mater. Sci. Eng.

2020

DOI: 10.1088/1757-899x/994/1/012044

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Network simulation of the sewage treatment system in machine-building enterprises

Valeriya Leonidovna Vorontsova

Svetlana Savdur

Abstract: The article examines the technological complex of wastewater treatment (WWS) of machine-building production. The wastewater treatment complex (WWS) of machine-building production has a complex multi-level structure; therefore, modern methods of system analysis, computer modeling, and the theory of Petri nets are used to study, model, and analyze such systems. The apparatus of the theory of Petri nets (SP) is selected from the main methods for modeling discrete-continuous chemical-technological systems (CTS) fo… Show more

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2023

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Cited by 2 publications

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Simulation of the Waste Water Purification System of Livestock Farms Based on Petri Nets

Savdur

2023

Agrobiotechnologies and Digital Farming

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The development of animal husbandry on an industrial basis causes a sharp increase in the amount of highly polluted wastewater, the purification and disinfection of which is one of the most important tasks when deciding on their use in agriculture as fertilizer or discharge into reservoirs or irrigation fields. The effectiveness of such systems is achieved with the help of new ways of processing information and mathematical characteristics of technology processes. Based on the study of the main methods of creating discrete chemical and technological systems (CTS), the expediency of using the design of Petri nets (SP) to simulate the process of wastewater treatment of livestock farms (OSWF) was developed. To characterize the system, we use N–schemes, which are based on the mathematical system of the joint venture, which can form a network structure both in analytical form for automating work during analysis, and in graphical form to create visibility of the created model. Analyzing technological and chemical processes, it is important to take into account the formality condition of N–circuits, which assumes that the circuits do not take the properties of simulated systems in time, since the timing of the transition is taken to be zero. We took into account these conditions and proposed updated Petri nets that are focused on the analysis and simulation of discrete CTS, by changing the time delay of labels on transitions and positions, as well as by enabling transitions that are in priority. We have created a model in the form of a modified updated Petri net (SME). With the help of SCADA TRACE MODE technologies, we have developed a whole software package for the control system in the process of OSWF. This system can perform dispatching monitoring of the main parts of the control apparatus, as well as stop and analyze and monitor its condition, this is feasible both in general and within the framework of forecasting the occurrence of emergency situations.

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Simulation of the Waste Water Purification System of Livestock Farms Based on Petri Nets

Savdur

2023

Agrobiotechnologies and Digital Farming

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Network Modeling of the Process of Anaerobic Digestion of Manure

Savdur

2023

Agrobiotechnologies and Digital Farming

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The article discusses the technological complex of anaerobic digestion of manure (ASN). Thanks to biogas plants, it is possible to mitigate the harmful effects on reservoirs and their inhabitants, reduces pollution with ammonium salts and restores the natural oxygen saturation of waters. The effectiveness of the functioning of such systems can be ensured with the help of modern methods of information processing, using methods of system analysis of complex objects based on a mathematical description of the technological process. Based on the review of the main methods of modeling discrete-continuous chemical-technological systems (CTS), the expediency of using the apparatus of the theory of Petri nets (SP) for process modeling (ASN) is substantiated. To describe the system, we propose the use of N–schemes based on the mathematical apparatus of Petri nets, one of the advantages of which is the possibility of presenting the network model both in analytical form, with the possibility of automating the analysis process, and in graphical form to ensure the visibility of the model being developed. When analyzing chemical-technological schemes, the main limitation of the N–scheme formalism should be taken into account, which is that they do not take into account the time characteristics of the simulated systems, since the transition response time is considered to be zero. Taking into account these conditions, we have proposed modified Petri nets focused on modeling and analysis of discrete-continuous CTS by including priority transitions, delay time of labels in positions and transitions. A model in the form of a modified Petri net (SME) is constructed. By means of the TRACE MODE SCADA technology, a software package of the process control system (ASN) has been developed. The process control system allows you to perform dispatching control of the main elements of the control system, stop the system (ASN) and analyze its condition, both as a whole and in order to predict the development of emergency situations.

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Network simulation of the sewage treatment system in machine-building enterprises

Cited by 2 publications

References 10 publications

Simulation of the Waste Water Purification System of Livestock Farms Based on Petri Nets

Simulation of the Waste Water Purification System of Livestock Farms Based on Petri Nets

Network Modeling of the Process of Anaerobic Digestion of Manure

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