Оцінка ефективності застосування гравітаційних стелажів у середовищі Anylogic

Igor  TARAN; Vadim  LITVIN; Iryna  KLYMENKO

doi:10.36910/automash.v2i21.1226

Igor TARAN Doctor of Science in Technology, Professor, Head of Transport Management Department, Dnipro University of Technology http://orcid.org/0000-0002-3679-2519
Vadim LITVIN Candidate of Technical Science, associate professor of Transport Management Department Dnipro University of Technology http://orcid.org/0000-0002-1572-9000
Iryna KLYMENKO Candidate of Technical Science, associate professor of Transport Management Department, Dnipro University of Technology https://orcid.org/0000-0002-6263-0951

DOI: https://doi.org/10.36910/automash.v2i21.1226

Abstract

This work is dedicated to the substantiation of measures aimed at increasing storage area capacity and enhancing the throughput of modern warehouse complexes through the application of simulation modeling methods. After analyzing recent studies, it was determined that the primary factor influencing warehouse system performance and the cost of storing and processing orders is the organization of an optimal storage system. Presently, the majority of warehouses in Ukraine and European Union countries are equipped with front racks in their storage areas. However, a significant drawback of front racks is their inefficient utilization of the total warehouse space, necessitating wide passages for the movement of loading and unloading equipment.

One effective solution to augment storage area capacity without major warehouse restructuring is the replacement of front racks with more efficient and progressive storage systems. Our research focuses on a modern warehouse complex located in Dnipro. The management of the facility has decided to convert the storage area by replacing front racks with gravity racks. This change will reduce the total storage area from 7,766.4 square meters to 3,575.8 square meters and will also lead to a reduction in the number of loaders required.

To evaluate the effectiveness of adopting gravity racks and to justify the optimal parameters of such a system, we developed a simulation model using the AnyLogic environment, comprising 130 components. The implementation of the simulation experiment, which includes 27 model runs, led to the identification of six different operational strategies for the warehouse, ensuring efficient handling of daily cargo flows.

To select the best operational strategy, we propose a criterion structure that takes into account factors such as the number of loaders, their average utilization, and the average duration of loading and unloading of vehicles.

Keywords: warehouse complex, storage area, gravity rack, simulation modeling, AnyLogic, efficiency criterion.

Еvaluation of the efficiency the application of gravity racks in the Аnylogic environment

Abstract