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Using discrete-event simulation to enable implementation of picking and palletizing robots: A case study
Mälardalen University, School of Innovation, Design and Engineering.
Mälardalen University, School of Innovation, Design and Engineering.
2023 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Aim: The study aims to develop a DES model to evaluate the impacts of implementing packaging and palletizing robotics in the goods-receipts process.

Research questions: RQ1: “What are the requirements when developing a Discrete Event Simulation (DES) model of the goods receipt process in the internal logistics section of a manufacturing company?”, RQ2: “What is the impact of implementing a new layout with industrial palletizer robotics in manufacturing companies' internal logistics - specifically the goods receipt process in terms of robot Overall Equipment Effectiveness (OEE), throughput, and WIP?” and, RQ3: “What considerations should companies take into account when implementing industrial palletizer robotics in their internal logistics, in terms of process flow?”

Methodology: This study applied an inductive approach, letting the empirical findings guide the themes explored in the theoretical framework while having a constant interplay between empirical data collection and the construction of the simulation model. Empirical data collection was collected via observation, time study, and documentation. Literature was collected via Scopus and restricted to peer-reviewed articles and book chapters. The simulation model building followed the steps presented by Banks (2005). Based on the model building and simulation model results, conclusions could be made.

Conclusion: The study concluded and presented nine requirements to develop a DES model for the goods-receipt process in manufacturing companies' internal logistics. The impact of robot OEE was determined to be low, 24-27%, WIP increased, and throughput increased with the implementation of a new layout with an industrial palletizer robot. Lastly, to answer RQ3, the study concluded and presented six considerations for companies to take into account when evaluating the implementation of an industrial palletizer robot

Abstract [sv]

Syfte: Studiens syfte är att utveckla en DES modell för att utvärdera effekterna av att implementera omplocknings- och palleteringsrobotar för avdelningen –ankommande gods. 

Frågeställningar: "Vilka krav finns vid utvecklingen av en modell för diskret händelsesimulering (DES) av godsmottagningsprocessen inom den interna logistiken hos ett tillverkningsföretag?", "Vilken är effekten av att implementera en ny layout med industriella palleteringsrobotar i tillverkningsföretags interna logistik - specifikt inom godsmottagningsprocessen - i termer av robot (OEE), produktionskapacitet per timme, och WIP?" och "Vilka överväganden bör företag ta i beaktande vid implementeringen av industriella palleteringsrobotar inom sin interna logistik, med avseende på processflöde?"

Metod: Denna studie använde en induktiv metod, där de empiriska resultaten styrde de teman som utforskades inom den teoretiska referensramen, samtidigt som det fanns en konstant samverkan mellan insamling av empiriska data och konstruktionen av simulationsmodellen. Empiriska data samlades in genom observation, tidsstudier och dokumentation. Litteratur samlades in via Scopus och begränsades till expertgranskade artiklar och bokkapitel. Byggandet av simulationsmodellen följde de steg som presenterades av Banks (2005). Baserat på modellbyggandet och resultaten från simulationsmodellen kunde slutsatser dras.

Slutsats: Studien presenterade nio krav för att utveckla en DES-modell för godsmottagningsprocessen inom tillverkningsföretags interna logistik. Effekten av robotens OEE bedömdes vara låg, 24–27%. Work in Progress (WIP) ökade och produktionskapaciteten per timme ökade med införandet av en ny layout med en industriell palleteringsrobot. Slutligen, för att svara på den tredje forskningsfrågan, presenterade studien sex överväganden som företag bör ta hänsyn till vid utvärderingen av implementeringen av en industriell palleteringsrobot

Place, publisher, year, edition, pages
2023. , p. 61
Keywords [en]
DES, Palletizer robot, Internal logistics, Goods-receipt, KPI, OEE
National Category
Robotics Production Engineering, Human Work Science and Ergonomics
Identifiers
URN: urn:nbn:se:mdh:diva-63605OAI: oai:DiVA.org:mdh-63605DiVA, id: diva2:1775354
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Available from: 2023-06-27 Created: 2023-06-26 Last updated: 2023-06-27Bibliographically approved

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