Integrated Multi-Criteria Optimization of Production, Transport, and Storage Assets in Machine-Building Systems

Abstract

Optimizing the parameters of the loading process for equipment and vehicles used in the manufacturing process at a machine-building enterprise is one of the key tasks of technological production planning. This process has a hierarchically complex structure, which depends on the number of types of production resources being optimized, as well as the level of detail in the scheduling periods. The basis for improving the efficiency of production resources is the comprehensive optimization of their loading parameters within the relevant scheduling periods. To solve this problem, a comprehensive model for the multi-criteria optimization of production capacity utilization parameters has been developed, establishing a clear hierarchical relationship between its elements. The hierarchical structure of the model is based on the structural decomposition of planning periods. The model contains five basic management levels corresponding to the sub-periods of production scheduling: calendar year, quarter, calendar month, working day, and working shift. The article presents the results of testing the proposed model using the example of optimizing the utilization parameters of a fleet of techno-logical equipment and vehicles used within a production unit. During the study, the load parameters of 17 units of technological equipment and three units of transport vehicles were optimized. Production batches were redistributed between units of technological equipment and transport vehicles. As a result of the optimization, the unevenness of utilization for the fleet of technological equipment and freight transport decreased by 15.9%, while the total amount of losses associated with equipment and vehicle downtime decreased by 19.31%. The results obtained confirm the effectiveness of the proposed model for the comprehensive optimization of production asset utilization.