The impact of unequal processing time variability on reliable and unreliable merging line performance

Romero-Silva, Rodrigo; Shaaban, Sabry; Marsillac, Erika; Laarraf, Zouhair

doi:10.1016/j.ijpe.2021.108108

Cited by 6 publications

(2 citation statements)

References 43 publications

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“…In these contexts, the bowl phenomenon may not always lead to the expected improvements (e.g. Romero-Silva et al 2021 ). In general, the bowl phenomenon is argued to be more important in context with limited inventory buffer size.…”

Section: Literature Reviewmentioning

confidence: 99%

Heterogeneous worker multi-functionality and efficiency in dual resource constrained manufacturing lines: an assessment by simulation

2023

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Flexibility is a main mean to create resilient supply chains. The most flexible resources are often human resources but creating high, homogenous skill levels is not cost efficient. Heterogenous labour provides an alternative. The literature on Dual Resource Constrained (DRC) shops modelled heterogeneous labour with multi-functionality and efficiency matrices that indicate if a worker can perform at a station and according to which level of efficiency. However, this literature typically considered these matrices as a given environmental factor rather than a factor under firm control. Consequently, it typically neglected literature that can be used to guide matrix design. In response, this study draws on the literature on unbalanced lines to test eight different matrices to guide worker training. Discrete event simulation is then used to evaluate their performance in a DRC pure flow shop with high variability in demand and processing times. Results demonstrate that the matrix design impacts performance and that an unbalanced design has the potential to improve performance compared to a balanced design and full multi-functionality. Specifically, the bowl configuration shows much promise, which further confirms the “bowl phenomenon”. However, performance gains are dependent on the combination of When, Where and Who rules used to guide the worker assignment decision. So, the decision on worker training is also contingent on the decision which worker assignment rule to use. Findings have important implications for research and practice, providing guidance on how to design more resilient shops and supply chains.

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Section: Literature Reviewmentioning

confidence: 99%

Heterogeneous worker multi-functionality and efficiency in dual resource constrained manufacturing lines: an assessment by simulation

2023

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“…This study is concerned with investigating how the Schiphol Airport landside operations (SALO) can be improved with a decision support system that uses a more realistic representation of the system, in contrast with more idealistic models. Owing to the complexities and characteristics of the problem, this system was modelled using discrete-event simulation (DES), as previous studies on complex systems have previously done [7,8].…”

Section: Introductionmentioning

confidence: 99%

Modelling Landside Logistic Operations of a Mega-hub Airport with Discrete-event Simulation

Romero-Silva¹,

Mota²

2021

SNE

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The need to better understand how to manage the real logistics operations in Schiphol Airport, a strategic hub for the economic development of the Netherlands, created the conditions to develop a project where academia and industry partnered to build a simulation model of the Schiphol Airport Landside operations. This paper presents such a model using discrete-event simulation. A realistic representation of the open road network of the airport as well as the (un)loading dock capacities and locations of the five ground handlers of Schiphol Airport was developed. Furthermore, to provide practitioners with applicable consolidation and truck-dispatching policies, some easy-to-implement rules are proposed and implemented in the model. Preliminary results from this model show that truck-dispatching policies have a higher impact than consolidation policies in terms of both distances travelled by cooperative logistic operators working within the airport and shipments' average flow time. Furthermore, the approach presented in this study can be used for studying similar mega-hubs.

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Hybridizations in line balancing problems: A comprehensive review on new trends and formulations

Battaïa

Dolgui

2022

International Journal of Production Economics

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The impact of unequal processing time variability on reliable and unreliable merging line performance

Cited by 6 publications

References 43 publications

Heterogeneous worker multi-functionality and efficiency in dual resource constrained manufacturing lines: an assessment by simulation

Heterogeneous worker multi-functionality and efficiency in dual resource constrained manufacturing lines: an assessment by simulation

Modelling Landside Logistic Operations of a Mega-hub Airport with Discrete-event Simulation

Hybridizations in line balancing problems: A comprehensive review on new trends and formulations

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