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  1. COVID-19 pandemic policies: assessing the vulnerability of ASEAN+3 economies to exit risks
    Author: Choo, Edmond Chiang Yong; Del Rosario, Diana; Hinojales, Marthe M.; Kho, Catharine Tjing Yiing; Khut, Vanne; Oeking, Anne; Ong, Li Lian
    Published: January 2022
    Publisher:  ASEAN+3 Macroeconomic Research Office, Singapore

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    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Series: Working paper / ASEAN+3 Macroeconomic Research Office ; WP/22, 01
    Subjects: buffer; COVID-19; diversity; exit risks; healthcare; pandemic; policy space; vulnerability
    Scope: 1 Online-Ressource (circa 34 Seiten), Illustrationen
  2. On the design of a flow line with intermediate buffers and mixed corrective maintenance
    Author: Zimmermann, Julia
    Published: [2022]
    Publisher:  Otto-von-Guericke-Universität Magdeburg, Fakultät für Wirtschaftswissenschaft, Magdeburg

    We considered a mixed corrective maintenance policy for machines in a two-machine onebuffer flow line. The machines had stochastic processing times and suffered from unexpected failures. In the case of a failure, the machines were either minimally... more

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    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
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    We considered a mixed corrective maintenance policy for machines in a two-machine onebuffer flow line. The machines had stochastic processing times and suffered from unexpected failures. In the case of a failure, the machines were either minimally repaired or their failing components were replaced by spare parts. While the replacement strategy is rapid and the system can be considered new thereafter, spare parts provisioning and storage costs are very high. Thus, we additionally considered minimal repairs, which are less expensive and restore the system to a working condition at a minimum. We modeled the system as a continuoustime Markov chain. This approach was used to measure the performance of the flow line and the mixed corrective maintenance policy employed. To facilitate design decisions for the flow line, we considered both the cost of an interstage buffer and the maintenance costs for machines in line. We formulated an optimization problem based on a profit function that enables the simultaneous optimization of the buffer size and maintenance strategy. Our numerical analyses reveal useful insights into the performance and optimal design of the flow line depending on the utilized maintenance strategy.

     
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
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    Series: Working paper series / Otto von Guericke Universität Magdeburg, Faculty of Economics and Management ; 2022, no. 4
    Subjects: flow line; buffer; spare parts; mixed corrective maintenance
    Scope: 1 Online-Ressource (24 Seiten, 0,5 MB), Diagramme