Resumen: Demand trends towards mass customization drive the need for increasingly productive and flexible assembly operations. Walking-worker assembly lines can present advantages over fixed-worker systems. This article presents a multiproduct parallel walking-worker assembly line with shared automated stations, and evaluates its operational performance compared to semiautomated and manual fixed-worker lines. Simulation models were used to set up increasingly challenging scenarios based on an industrial case study. The results revealed that semiautomated parallel walking-worker lines could achieve greater productivity (+30%) than fixed-worker lines under high-mix low-volume demand conditions. Idioma: Inglés DOI: 10.3390/pr11010172 Año: 2023 Publicado en: PROCESSES 11, 1 (2023), 172 [21 pp.] ISSN: 2227-9717 Factor impacto JCR: 2.8 (2023) Categ. JCR: ENGINEERING, CHEMICAL rank: 80 / 170 = 0.471 (2023) - Q2 - T2 Factor impacto CITESCORE: 5.1 - Chemical Engineering (miscellaneous) (Q2) - Bioengineering (Q3) - Process Chemistry and Technology (Q3)