8,414 Hits in 5.5 sec

Page 993 of The Journal of the Operational Research Society Vol. 54, Issue 9 [page]

2003 The Journal of the Operational Research Society  
The economic lot delivery scheduling problem: the single item case. Int J Prod Econ 28: 235-252. Hahm J and Yano CA (1995). The economic lot delivery scheduling problem: the common cycle case.  ...  The first run of the algorithm used a value of m= 8 (which resulted in 10 values of 7 including Tyjn and Ty,ax). The algorithm identified the optimal solution for 100% of the problems.  ... 

Modeling and analysis of single item multi-period procurement lot-sizing problem considering rejections and late deliveries

Devendra Choudhary, Ravi Shankar
2011 Computers & industrial engineering  
Integer linear programming approach has been used to solve a multi-period procurement lot-sizing problem for a single product that is procured from a single supplier considering rejections and late deliveries  ...  lot-sizing problem.  ...  Wagner and Whitin (1958) presented a dynamic programming solution algorithm for single product, multi-period inventory lot-sizing problem.  ... 
doi:10.1016/j.cie.2011.08.005 fatcat:rrfkwcnqqbfgdklkzb2y5ajqgi

Supplier selection and order lot sizing using dynamic programming

M. M. Moqri, M. Moshref Javadi, S. A. Yazdian
2011 International Journal of Industrial Engineering Computations  
In this paper, we consider a multi-period integrated supplier selection and order lot sizing problem where a single buyer plans to purchase a single product in multiple periods from several qualified suppliers  ...  We have developed a mathematical programming model to deal with this problem, and proposed a forward dynamic programming approach to obtain optimal solutions in reasonable amount of time even for large  ...  Sadjadi et al. (2009) developed the Wagner Within algorithm for economic lot sizing problems based on the planning horizon theorem and the economic part period concept.  ... 
doi:10.5267/j.ijiec.2010.03.007 fatcat:phjtfgxlpjh2xa52736kximg2i

A deterministic, multi-item inventory model with supplier selection and imperfect quality

Jafar Rezaei, Mansoor Davoodi
2008 Applied Mathematical Modelling  
The demand over a finite planning horizon is known, and an optimal procurement strategy for this multi-period horizon is to be determined.  ...  The decision maker, the buyer, needs to decide what products to order, in what quantities, with which suppliers, and in which periods. Finally, a genetic algorithm (GA) is used to solve the model.  ...  Basnet and Leung [12] presented a model for optimal procurement lot-sizing with supplier selection.  ... 
doi:10.1016/j.apm.2007.07.009 fatcat:piacearotbba5p3vcnsyuscwwm

Applied real-valued genetic algorithm for an extended model of economic lot, purchase and delivery scheduling problem

Seyed Ali Hasheminejad, Khadijeh Valipour, Hamid Khoshnood
2021 International Review of Applied Sciences and Engineering  
Therefore, in this paper a new mathematical model has been developed to facilitate the process of finding the optimum solution in economic production, purchase and delivery lots and their schedules in  ...  The manufacturer with a flow shop system provides its requirements from supplier, assemble multiple products, and delivers products to the customer (automotive OEM alike) on an optimum multiple delivery  ...  lot-sizing problem.  ... 
doi:10.1556/1848.2021.00334 fatcat:go5odpmusvhp7mnzoto2bv6rrm

Page 657 of The Journal of the Operational Research Society Vol. 46, Issue 5 [page]

1995 The Journal of the Operational Research Society  
Goya (1974) Optimum ordering policy for a multi-item single-supplier system. Op/ Res. Q. 25, 293-298. . J. B. Di-wortu and T. H. Lowe (1980) A part-period algorithm for production lot sizing.  ...  Wuysarxk (1973) An iterative procedure for the single-machine, multi-product, lot scheduling problem. Mgmt Sci. 20, 50-55. . §. K.  ... 

Dynamic Lot Optimization of Assembly Supply Chain with Delivery Time Constraint

Shuang-yan Li, De-zhi Zhang, Fang-ping Jin
2013 International Business Research  
We solve the optimization problem by hybrid mixed integral optimization and SQP algorithm.  ...  The system model divide planning time into many equally periods, and decisions can vary with time.  ...  In fact, economic lot and delivery scheduling problem for a multi-stage supply chain comprising multiple items is complex.  ... 
doi:10.5539/ibr.v6n11p73 fatcat:voqzvxynyvbclehpgmasbjbqnq

A Conceptual Model for Integrating Transport Planning: MRP IV [chapter]

Josefa Mula, Manuel Díaz-Madroñero, David Peidro
2012 IFIP Advances in Information and Communication Technology  
This article aim is twofold: (1) it identifies the advances and deficiencies in the MRP calculations, mainly based on the dynamic multi-level capacitated lot-sizing problem (MLCLSP); and (2) it proposes  ...  algorithms required to develop MRP IV as a decision-making system.  ...  This work has been funded by the Spanish Ministry of Science and Innovation project: 'Production technology based on the feedback from production, transport and unload planning and the redesign of warehouses  ... 
doi:10.1007/978-3-642-33980-6_7 fatcat:oyadl3eljzgzpbt7o53b4kgkbi

Location-inventory-routing Problem in a Context of City Logistics: A Case Study of Jakarta

Nova Saragih, Senator Nur Bahagia, Suprayogi Suprayogi, Ibnu Syabri
2022 Operations and Supply Chain Management An International Journal  
The LIRP takes into account multi-products, multi suppliers, and traffic congestion as an external parameters. This paper aims to develop a heuristic method to solve the LIRP.  ...  The development of city logistics is related to energy consumption, traffic congestion, economic and environmental problems.  ...  Suppliers do not supply closed UCC which is UCC 2. Opened UCC supplies all the retail markets according to their lot sizes for every product.  ... 
doi:10.31387/oscm0490342 fatcat:xmbhtbas55at7oazk7jpqfdplq

A multi-objective quantity discount and joint optimization model for coordination of a single-buyer multi-vendor supply chain

Amir Kamali, S.M.T. Fatemi Ghomi, F. Jolai
2011 Computers and Mathematics with Applications  
He studied the problem wherein the production lot is shipped from the vendor to the buyer in a number of equal-sized shipments.  ...  Thus in his problem the vendor is assumed to be a manufacturer who produces to order for the buyer. Goyal [11] further generalized the problem by relaxing the lot-for-lot policy.  ...  We use the global solver of LINGO 8.0 to obtain the optimal solutions of the problems with 4, 6 and 8 suppliers. For problems with more than 8 suppliers the LINGO cannot find the optimal solutions.  ... 
doi:10.1016/j.camwa.2011.08.040 fatcat:ivqavqadarcujjbwjxqlo7pxom

A systematic review on supplier selection and order allocation problems

Sourour Aouadni, Ismahene Aouadni, Abdelwaheb Rebaï
2019 Journal of Industrial Engineering International  
The supplier selection and order allocation are two key strategic decisions in purchasing problem.  ...  The review presented in this paper focuses on the supplier selection problems (SSP) and order allocation from year 2000 to 2017 in which a new structure and classification of the existing research streams  ...  (2015) proposed a novel approach to find a solution of the multi-product multi-period inventory lot sizing with supplier selection problem.  ... 
doi:10.1007/s40092-019-00334-y fatcat:yii2jrf6ofe53ewpmabca4ubum

A joint pricing, lot-sizing, and supplier selection model

Jafar Rezaei, Mansoor Davoodi
2012 International Journal of Production Research  
In this paper, we integrate the three strategies that are important to most firms, namely pricing, lot-sizing and supplier selection.  ...  a genetic algorithm (NSGA-II) that provides decision-makers with a number of Pareto-optimal solutions, one of which can be selected on the basis of the higher-level information.  ...  Dynamic version of the economic lot-size model. Wagner, S.M. and Krause, D.R., 2009.  ... 
doi:10.1080/00207543.2011.613866 fatcat:aev3vorv3va6dgbmmgtqmjy4ra

Synchronization in supply chains: implications for design and management

M Khouja
2003 Journal of the Operational Research Society  
The economic lot delivery scheduling problem: the single item case. Int J Prod Econ 28: 235-252. Hahm J and Yano CA (1995). The economic lot delivery scheduling problem: the common cycle case.  ...  The problem we address can be considered a distant variant of the flow shop scheduling problem’! '* where the goal is to find the optimal lot sizes for n products which are processed on m machines.  ... 
doi:10.1057/palgrave.jors.2601606 fatcat:cz3vafzghrda7dlxct5yuwu4my

Multi-Objective Inventory Model with Lead-Time and Defective Items

In this paper we have formulated multi-objective inventory model with one objective of minimizing the total inventory cost and other objective of maintaining the quality of the product by discarding the  ...  The model involved the deterministic demand, lead time dependent lead time cost, holding cost, ordering cost and inspection cost for inspecting defective items.  ...  Qin [20] derived an uncertain random model on a multi-objective optimization problem involving random variables with uncertainty. A multi-objective optimization problem is developed in Jadidi et al.  ... 
doi:10.35940/ijitee.b6482.129219 fatcat:mdswjgrzbvaejjmcyvncsbguwi

Single Item Supplier Selection and Order Allocation Problem with a Quantity Discount and Transportation Costs

Getachew Basa, Till Becker, Abdelkader Kedir
2020 Momona Ethiopian Journal of Science  
In this paper, we address a single item supplier selection, economic lot-sizing, and order assignment problem under quantity discount environment and transportation costs.  ...  An efficient and effective genetic algorithm (GA) with problem-specific operators is developed and used to solve the proposed MINP model.  ...  Liao and Rittscher (2007) proposed a multi-objective model for a single item capacitated multi-sourcing supplier selection, procurement lot sizing, and carrier selection problem with a dynamic demand  ... 
doi:10.4314/mejs.v12i1.2 fatcat:ym6nqwwyezb5dfkv2xcd74wicu
« Previous Showing results 1 — 15 out of 8,414 results