Autor: Nielsen, Peter - Katalog OPAC zbiorów

Tytuł:: The bullwhip effect in supply chains with stochastic lead times
Autorzy:: Michna, Zbigniew
Nielsen, Izabela Ewa
Nielsen, Peter
Powiązania:: https://bibliotekanauki.pl/articles/584974.pdf
Data publikacji:: 2013
Wydawca:: Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
Tematy:: supply chain
bullwhip effect
inventory policy
stochastic lead time
lead time demand forecasting
Opis:: In this article we consider a simple two stage supply chain. We quantify the variance amplification of orders – the bullwhip effect in a model with stochastic lead times. Employing the moving average forecasting method for lead time demands we obtain an exact value of the bullwhip effect measure. We analyze the formula using numerical examples.
Źródło:: Mathematical Economics; 2013, 9 (16); 71-88
1733-9707
Pojawia się w:: Mathematical Economics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: A competency-driven staff assignment approach to improving employee scheduling robustness
Autorzy:: Bocewicz, Grzegorz
Szwarc, Eryk
Wikarek, Jaroslaw
Nielsen, Peter
Banaszak, Zbigniew
Powiązania:: https://bibliotekanauki.pl/articles/1841794.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:: competency assignment
competency framework
personnel scheduling
robustness measures
Opis:: Presented paper concerns the competency-driven staff assignment and scheduling approach to the management of project portfolios subject to perturbations caused by employee absences and/or unexpected arrival of high priority jobs. Proactive strategy is considered, which exploits the concept of employee substitutability to improve the robustness of personnel allocation in the case of occurrence of specific types of disruptions. Solutions obtained using the model of a constraint satisfaction problem developed in this study are validated in series quantitative and qualitative experiments. With a view to future implementation in a Decision Support Systems dedicated to prototyping of proactive personnel allocation, a methodology employing the concept of a competency framework-based robustness measure is proposed. Implemented in a declarative framework, the proposed approach allows one to find a redundant competency framework robust to a given set of disruptions.
Źródło:: Eksploatacja i Niezawodność; 2021, 23, 1; 117-131
1507-2711
Pojawia się w:: Eksploatacja i Niezawodność
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: A competency-driven staff assignment approach to improving employee scheduling robustness
Autorzy:: Bocewicz, Grzegorz
Szwarc, Eryk
Wikarek, Jaroslaw
Nielsen, Peter
Banaszak, Zbigniew
Powiązania:: https://bibliotekanauki.pl/articles/1841770.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:: competency assignment
competency framework
personnel scheduling
robustness measures
Opis:: Presented paper concerns the competency-driven staff assignment and scheduling approach to the management of project portfolios subject to perturbations caused by employee absences and/or unexpected arrival of high priority jobs. Proactive strategy is considered, which exploits the concept of employee substitutability to improve the robustness of personnel allocation in the case of occurrence of specific types of disruptions. Solutions obtained using the model of a constraint satisfaction problem developed in this study are validated in series quantitative and qualitative experiments. With a view to future implementation in a Decision Support Systems dedicated to prototyping of proactive personnel allocation, a methodology employing the concept of a competency framework-based robustness measure is proposed. Implemented in a declarative framework, the proposed approach allows one to find a redundant competency framework robust to a given set of disruptions.
Źródło:: Eksploatacja i Niezawodność; 2021, 23, 1; 117-131
1507-2711
Pojawia się w:: Eksploatacja i Niezawodność
Dostawca treści:: Biblioteka Nauki

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