The effects of learning in production and group size on the lot-sizing problem

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The effects of learning in production and group size on the lot-sizing problem. / Jaber, M. Y.; Peltokorpi, Jaakko.

In: Applied Mathematical Modelling, Vol. 81, 01.05.2020, p. 419-427.

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@article{f811fe0ccd53423ba037bb9580d4596d,
title = "The effects of learning in production and group size on the lot-sizing problem",
abstract = "One of the lot-sizing problem extensions that received noticeable attention in the literature is the one that investigated the effects of learning in production. The studies along this line of research assumed learning to improve with the number of repetitions following a power form. There is evidence also that the group size, i.e., the number of workers learning in a group affects performance (time per unit). This note revisits the problem and modifies it by incorporating the group size, along with cumulative production, as a proxy for measuring performance. Numerical examples are provided to illustrate the behavior of the modified model. The results of the two models are also compared to draw some meaningful insights and conclusions. Although the results favor using a simple univariate learning curve, considering group size when modeling lot-sizing problems can significantly affect the unit production cost.",
keywords = "Lot-sizing, Learning in production, Group size",
author = "Jaber, {M. Y.} and Jaakko Peltokorpi",
year = "2020",
month = "5",
day = "1",
doi = "10.1016/j.apm.2019.12.026",
language = "English",
volume = "81",
pages = "419--427",
journal = "Applied Mathematical Modelling",
issn = "0307-904X",

}

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TY - JOUR

T1 - The effects of learning in production and group size on the lot-sizing problem

AU - Jaber, M. Y.

AU - Peltokorpi, Jaakko

PY - 2020/5/1

Y1 - 2020/5/1

N2 - One of the lot-sizing problem extensions that received noticeable attention in the literature is the one that investigated the effects of learning in production. The studies along this line of research assumed learning to improve with the number of repetitions following a power form. There is evidence also that the group size, i.e., the number of workers learning in a group affects performance (time per unit). This note revisits the problem and modifies it by incorporating the group size, along with cumulative production, as a proxy for measuring performance. Numerical examples are provided to illustrate the behavior of the modified model. The results of the two models are also compared to draw some meaningful insights and conclusions. Although the results favor using a simple univariate learning curve, considering group size when modeling lot-sizing problems can significantly affect the unit production cost.

AB - One of the lot-sizing problem extensions that received noticeable attention in the literature is the one that investigated the effects of learning in production. The studies along this line of research assumed learning to improve with the number of repetitions following a power form. There is evidence also that the group size, i.e., the number of workers learning in a group affects performance (time per unit). This note revisits the problem and modifies it by incorporating the group size, along with cumulative production, as a proxy for measuring performance. Numerical examples are provided to illustrate the behavior of the modified model. The results of the two models are also compared to draw some meaningful insights and conclusions. Although the results favor using a simple univariate learning curve, considering group size when modeling lot-sizing problems can significantly affect the unit production cost.

KW - Lot-sizing

KW - Learning in production

KW - Group size

UR - http://www.scopus.com/inward/record.url?scp=85078134017&partnerID=8YFLogxK

U2 - 10.1016/j.apm.2019.12.026

DO - 10.1016/j.apm.2019.12.026

M3 - Article

VL - 81

SP - 419

EP - 427

JO - Applied Mathematical Modelling

JF - Applied Mathematical Modelling

SN - 0307-904X

ER -

ID: 39747199