Increase of efficiency of dump trucks functioning on the basis of justification of their rational speed by means of simulation modeling

The paper presents a solution to the problem of developing a methodological apparatus for the formation of scientifically based recommendations for choosing the speed mode of movement of dump trucks in specific mining-geological and climatic conditions of application, providing an increase in the efficiency of mine transport operation. The method of forming a list of the most significant factors and parameters that determine and characterize the functioning of quarry dump trucks, taking into account their level of significance, is shown to evaluate existing solutions of systems for active monitoring of the current state of machines. The choice of the dump truck speed as the main factor determining the efficiency of dump truck operation and having a direct impact on the current and projected technical condition of the machines is justified. Based on the revealed patterns of changes in the speed of movement from various factors, as well as using an application program created to achieve the goals of simulation modeling of the movement of various models of dump trucks in specific operating conditions, the results of simulation modeling were obtained, which made it possible to determine the influence of both whole groups and specific factors on the speed of the dump truck, depending on the operating conditions and the technical characteristics of the machine on the example of a CAT 793D dump truck.

Makharatkin P. N., Abdulaev E. K., Vishnyakov G. Yu. , Botyan E. Yu., Pushkarev A. E. Increase of efficiency of dump trucks functioning on the basis of justification of their rational speed by means of simulation modeling. MIAB. Mining Inf. Anal. Bull. 2022;(6−2):237—250. [In Russ]. DOI: 10.25018/0236_1493_2022_62_0_237.

The research was performed at the expense of the subsidy for the state assignment in the field of scientific activity for 2021 №FSR W-2020−0014. 
The research was carried out at the expense of a grant for the implementation of the state task in the field of scientific activity for 2021 No. FSRW-2020−0014.

Makharatkin P. N., associate professor, departmentof transport and technological processes and machines, https://orcid.org/0000-0002-9376-061X, St. Petersburg Mining University, 199106, Russia, St Petersburg, 21st Line, 2, e-mail:pavelnik@spmi.ru;
Abdulaev E. K., department of transport and technological processes and machines, https:// orcid.org/0000-0003-2326-8053,Saint-Petersburg mining university, 199106, Russia, St Petersburg, 21st Line, 2, e-mail: ehldarabdulaev@mail.ru;
Vishnyakov G. Yu., phD student, department of transport and technological processes and machines, https://orcid.org/0000-0001-5050-4491,Saint-Petersburg mining university, 199106, Russia, St Petersburg, 21st Line, 2, e-mail: geroibeka@yandex.ru;
Botyan E. Yu., phD student, department of transport and technological processes and machines, https://orcid.org/0000-0003-3395-935X,Saint-Petersburg mining university, 199106, Russia, St Petersburg, 21st Line, 2, e-mail: evgenybotyan@yandex.ru;
Pushkarev A. E., Dr. Sci. (Eng.), professor, https://orcid.org/0000-0001-5546-015X, SaintPetersburg State University of Architecture and Civil Engineering (SPbGASU), 190005, Saint-Petersburg, 2-ya Krasnoarmeyskaya St., 4, Russia, e-mail: pushkarev-agn@mail.ru

Makharatkin P. N., e-mail: Pavelnik@spmi.ru.

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