MODEL JOINT ECONOMIC LOT SIZE PADA KASUS PEMASOK-PEMBELI DENGAN PERMINTAAN PROBABILISTIK

In this paper we consider single vendor single buyer integrated inventory model with probabilistic demand and equal delivery lot size. The model contributes to the current literature by relaxing the deterministic demand assumption which has been used for almost all integrated inventory models. The o...

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Bibliographic Details
Published inJurnal Teknik Industri (Surabaya) Vol. 11; no. 1; p. 1
Main Authors Wakhid Ahmad Jauhari, Pujawan, I Nyoman, Wiratno, Stefanus Eko
Format Journal Article
LanguageEnglish
Indonesian
Published Surabaya Universitas Kristen Petra / Petra Christian University 01.06.2009
Subjects
Computer simulation
Economic models
Iterative methods
Mathematical models
Parameter sensitivity
Safety factors
Sensitivity analysis
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Summary:In this paper we consider single vendor single buyer integrated inventory model with probabilistic demand and equal delivery lot size. The model contributes to the current literature by relaxing the deterministic demand assumption which has been used for almost all integrated inventory models. The objective is to minimize expected total costs incurred by the vendor and the buyer. We develop effective iterative procedures for finding the optimal solution. Numerical examples are used to illustrate the benefit of integration. A sensitivity analysis is performed to explore the effect of key parameters on delivery lot size, safety factor, production lot size factor and the expected total cost. The results of the numerical examples indicate that our models can achieve a significant amount of savings. Finally, we compare the results of our proposed model with a simulation model.
ISSN:1411-2485
2087-7439
DOI:10.9744/jti.11.1.pp.1-14