Design Improvement of Queuing System Using Simulation and Six Sigma: A case study

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Widya Setia Findari Yohanes Anton Nugroho

Abstract

The objective of this study is to minimize the patients’ waiting time at the community health center so that they can be served optimally. The system comprises multi stages and multi servers namely patient admission, nurse handling, examination 1, examination 2, laboratory check, and medicine section. Based on the observation, it is found that patients must wait for 10 to 40 minutes in each stage. In order to leverage the system performance, simulation approach is performed applying Process Simulator – Promodel 2016 combined with DMAIC (Design, Measure, Analyze, Improve, Control) approach of Six Sigma. Both methods show that all stage needs to be improved but laboratory check and medicine section. The proposed scenarios have demonstrated a decreasing to 61% of the average time of queuing systems.

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