A computer simulation as a tool for a production system analysis and optimization

摘要

In the paper results of the computer simulation of the real production system with Siemens Plant Simulation are shown. The simulation model was built basis on the existing production system. The production system was devoted for a car suspension manufacturing. The purpose of the computer simulation was to get initial information about existing system behaviour and its output. Basis on this initial simulation the four scenarios for the production system improvement were proposed. Each scenario included exactly the one idea of changes in the production system layout organization. The following changes in the production system organisation were proposed, (i) introducing of an industrial robot for servicing of the hardening station, (ii) replacement of the industrial robot by engagement of the two extra production workers for servicing of the hardening station and the heat-treating furnace, (iii) replacement of the industrial robot via introducing of the roller conveyor and engagement of an extra production worker for servicing of the hardening station and the heat-treating furnace, and (iv) introducing of the two roller conveyors for the same purpose. Computer simulations were performed to each scenario in order to examine, how the proposed changes in the production system organisation influence its production efficiency. Having the computer simulation carried out, the comparative analysis of the production system productivity was performed. It made the selection of the best organisational variant possible.