Mixed integer linear programming models for minimizing ergonomic risk dispersion in an assembly line at the Nissan Barcelona factory

We present a variant of the approach to the assembly line balancing problems, with the aim of reducing the ergonomic risk for operators of mixed-model assembly lines (MILP-3). Specifically, the MILP-3 model is focused on minimizing the average range between ergonomic risk values of workstations. Usi...

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Bibliographic Details
Authors: Bautista Valhondo, Joaquín|||0000-0002-2214-4991, Alfaro Pozo, Rocío|||0000-0001-8214-1875
Format: article
Publication Date:2020
Country:España
Institution:Universitat Politècnica de Catalunya (UPC)
Repository:UPCommons. Portal del coneixement obert de la UPC
Language:English
OAI Identifier:oai:upcommons.upc.edu:2117/336649
Online Access:https://hdl.handle.net/2117/336649
https://dx.doi.org/10.37610/DYO.V0I65.529
Access Level:Open access
Keyword:Business logistics
Assembly line balancing
Mixed-model assembly line
Ergonomic risk
Mixed integer linear programming
Logística (Indústria)
Treball en cadena
Àrees temàtiques de la UPC::Economia i organització d'empreses
Description
Summary:We present a variant of the approach to the assembly line balancing problems, with the aim of reducing the ergonomic risk for operators of mixed-model assembly lines (MILP-3). Specifically, the MILP-3 model is focused on minimizing the average range between ergonomic risk values of workstations. Using a case study from Nissan’s plant in Barcelona, not only are the differences between levels of ergonomic risk of stations reduced, but we attempt to reduce the average maximum ergonomic risk of the assembly line. The new model is compared with two others, MILP-1 and MILP-2, which minimize the average maximum ergonomic risk and the average absolute deviation of the risks, respectively.