Research Article


DOI :10.26650/acin.1104460   IUP :10.26650/acin.1104460    Full Text (PDF)

An Integrated Model of Continuous Review Inventory and Vehicle Routing Problem with Time Windows

Glisina Dwinoor RembulanFilscha NurprihatinFebrian Surya Kristardi

Item stock-out or shortage is a great issue for customer satisfaction and can be countered by providing safety stocks. This study discusses an authorized distributor of smartphone and tablet computer products in Indonesia. Currently, the company is considering a plan to take over the role of a logistics service company to reduce the total logistics costs that must be incurred by making improvements in terms of inventory management. Inventory management can also protect the company from the impact of inflation and price increases that will impose logistics costs. This study has assumed that the vehicle travel speed or travel time between two nodes is fixed. This study contributes to minimizing total logistics costs by integrating the concept of a continuous review lot size-reorder point (Q, R) inventory model with lost sales and vehicle routing problems with time windows (VRPTW). Continuous review (Q, R) inventory model with lost sales shows the retailers’ cycle demand ranges from 130 to 234 units. This condition leads to the value of the expected average annual inventory cost IDR 27.263.204.625,59. Based on the VRPTW calculation, the total distribution cost per trip is IDR 445.631.642,7. Based on the current total distribution costs, it was found that the total distribution costs were IDR 849.454.616,2, so there is a decrease in distribution costs of 47.54%. The total logistics cost that must be incurred by the company to deliver smartphone products to 10 retailers in Jakarta and its surrounding areas is IDR 27,708,836,268.29.


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APA

Rembulan, G.D., Nurprihatin, F., & Kristardi, F.S. (2022). An Integrated Model of Continuous Review Inventory and Vehicle Routing Problem with Time Windows. Acta Infologica, 6(2), 209-218. https://doi.org/10.26650/acin.1104460


AMA

Rembulan G D, Nurprihatin F, Kristardi F S. An Integrated Model of Continuous Review Inventory and Vehicle Routing Problem with Time Windows. Acta Infologica. 2022;6(2):209-218. https://doi.org/10.26650/acin.1104460


ABNT

Rembulan, G.D.; Nurprihatin, F.; Kristardi, F.S. An Integrated Model of Continuous Review Inventory and Vehicle Routing Problem with Time Windows. Acta Infologica, [Publisher Location], v. 6, n. 2, p. 209-218, 2022.


Chicago: Author-Date Style

Rembulan, Glisina Dwinoor, and Filscha Nurprihatin and Febrian Surya Kristardi. 2022. “An Integrated Model of Continuous Review Inventory and Vehicle Routing Problem with Time Windows.” Acta Infologica 6, no. 2: 209-218. https://doi.org/10.26650/acin.1104460


Chicago: Humanities Style

Rembulan, Glisina Dwinoor, and Filscha Nurprihatin and Febrian Surya Kristardi. An Integrated Model of Continuous Review Inventory and Vehicle Routing Problem with Time Windows.” Acta Infologica 6, no. 2 (Feb. 2023): 209-218. https://doi.org/10.26650/acin.1104460


Harvard: Australian Style

Rembulan, GD & Nurprihatin, F & Kristardi, FS 2022, 'An Integrated Model of Continuous Review Inventory and Vehicle Routing Problem with Time Windows', Acta Infologica, vol. 6, no. 2, pp. 209-218, viewed 1 Feb. 2023, https://doi.org/10.26650/acin.1104460


Harvard: Author-Date Style

Rembulan, G.D. and Nurprihatin, F. and Kristardi, F.S. (2022) ‘An Integrated Model of Continuous Review Inventory and Vehicle Routing Problem with Time Windows’, Acta Infologica, 6(2), pp. 209-218. https://doi.org/10.26650/acin.1104460 (1 Feb. 2023).


MLA

Rembulan, Glisina Dwinoor, and Filscha Nurprihatin and Febrian Surya Kristardi. An Integrated Model of Continuous Review Inventory and Vehicle Routing Problem with Time Windows.” Acta Infologica, vol. 6, no. 2, 2022, pp. 209-218. [Database Container], https://doi.org/10.26650/acin.1104460


Vancouver

Rembulan GD, Nurprihatin F, Kristardi FS. An Integrated Model of Continuous Review Inventory and Vehicle Routing Problem with Time Windows. Acta Infologica [Internet]. 1 Feb. 2023 [cited 1 Feb. 2023];6(2):209-218. Available from: https://doi.org/10.26650/acin.1104460 doi: 10.26650/acin.1104460


ISNAD

Rembulan, GlisinaDwinoor - Nurprihatin, Filscha - Kristardi, FebrianSurya. An Integrated Model of Continuous Review Inventory and Vehicle Routing Problem with Time Windows”. Acta Infologica 6/2 (Feb. 2023): 209-218. https://doi.org/10.26650/acin.1104460



TIMELINE


Submitted16.04.2022
Accepted20.07.2022
Published Online08.11.2022

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