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Journal articles on the topic 'Inventory management model with a fixed amount of the order'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Guo, Xingru, Aijun Liu, Xia Li, and Taoning Liu. "A two-stage stochastic model for daily reserve in inventory management of Rh-negative red blood cells." Journal of Intelligent & Fuzzy Systems 39, no. 5 (2020): 6919–33. http://dx.doi.org/10.3233/jifs-192182.

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Rh-negative rare blood inventory protection plays an important role in emergency blood protection. Normally, hospitals typically hold a fixed amount of daily reserve in response to emergency needs, but the measure can increase the unnecessary cost of repeated freezing and thawing. In order to save manpower, protect blood resources and reduce costs, a two-stage stochastic model is proposed to determine the optimal daily reserve of Rh-negative red blood cells, taking into account the uncertainty of demand. First, the model focuses on minimizing operational cost, shortage cost and damage caused b

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Zamlynskyi, Viktor, Olena Voloshyna, and Sergii Stepanenko. "Accounting policy and economic security in the enterprise management system." Ukrainian Journal of Applied Economics and Technology 9, no. 1 (2024): 56–61. http://dx.doi.org/10.36887/2415-8453-2024-1-9.

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The article aims to determine the role of accounting policy in the effective management of economic activity in the modern dangerous conditions of the life of the enterprise. The accounting system must be formed on a balanced and modernized accounting policy, The scientific value of the obtained research consists in the addition of methodological principles, a renewed set of rules and procedures that take into account the risks of the war and post-war state, regulate the modern order of observation, fixation of processing and generalization of the movement of fixed and circulating assets, prod

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O, Enagbonma, and Odidi B. E. "A Mathematical Model for Deciding Optimal Ordering Policy for Fixed Lifetime Inventories with Expected Insurance Costs." Asian Research Journal of Mathematics 21, no. 2 (2025): 89–104. https://doi.org/10.9734/arjom/2025/v21i2895.

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Managing inventory-related risks is crucial for companies dealing with fixed lifetime inventories. Previous researches have focused on the study of inventory management and risk management. However, there are no adequate study in the literature that combines these two critical aspects in the mamagement of fixed liftetime inventories. We developed a stochastic optimization problem and minimized the expected total costs. The aim of the study is to examine decisions as regards when to place order or not for the probabilistic fixed lifetime inventory model with expected insurance costs. We compute

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Peng, Guo Jian, Guo Min Chen, Gang Chen, and Ze Hua Liu. "An Optimization Discusses of College Teaching Material Inventory Based on Supply Chain Management." Applied Mechanics and Materials 268-270 (December 2012): 2066–70. http://dx.doi.org/10.4028/www.scientific.net/amm.268-270.2066.

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This article investigate the structural form and process of college textbook supply chain in detail, and find out the matters of college textbook inventory under the Supply Chain Management on the base of Supply Chain Management, inventory control, inventory optimization and Economic batch theory. According to that problem, this article put forward a college teaching material inventory optimization model based on Fixed Order Quantity and fixed kickback rate, which is compared with the supply of university teaching characteristics and economic batch basic model, and to optimize inventory strate

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Sutoni, Akhmad, and Dani Hamdan Taufik. "Inventory Planning with Method Q and Method P for Probabilistic Demand on Chrysanthemum Seeds at PT Transplants Indonesia." International Journal of Innovation in Enterprise System 3, no. 01 (2019): 57. http://dx.doi.org/10.25124/ijies.v2i02.80.

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Fluctuating and uncertain demand is a problem faced by manufacturing firms. The problem can be mitigated by the availability of inventory systems. This inventory serves to ensure the availability of appropriate resources in the right quantity and at the right time, so as to minimize the costs incurred. PT. Transplants Indonesia is a company engaged in the business of chrysanthemum flower in Indonesia. PT. Transplants Indonesia is a subsidiary of Okinawa Flower Agricultural Cooperative Association (OKF) in Okinawa, Japan. The purpose of this company establishment is to meet the demand of farmer

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Sutoni, Akhmad, and Dani Hamdan Taufik. "Inventory Planning with Method Q and Method P for Probabilistic Demand on Chrysanthemum Seeds at PT Transplants Indonesia." International Journal of Innovation in Enterprise System 3, no. 01 (2019): 38–46. http://dx.doi.org/10.25124/ijies.v3i01.32.

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Fluctuating and uncertain demand is a problem faced by manufacturing firms. The problem can be mitigated by the availability of inventory systems. This inventory serves to ensure the availability of appropriate resources in the right quantity and at the right time, so as to minimize the costs incurred. PT. Transplants Indonesia is a company engaged in the business of chrysanthemum flower in Indonesia. PT. Transplants Indonesia is a subsidiary of Okinawa Flower Agricultural Cooperative Association (OKF) in Okinawa, Japan. The purpose of this company establishment is to meet the demand of farmer

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Wang, Yun Rui. "Enterprise Inventory Management and Simulation." Advanced Materials Research 933 (May 2014): 874–78. http://dx.doi.org/10.4028/www.scientific.net/amr.933.874.

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Inventory is an important link in supply chain, according to characteristics and objectives of inventory control, the reasonable safety inventory, order point, the highest inventory and inventory strategy were determined based on historical sales data. Using Witness simulation software, the optimal strategy was selected from nine inventory strategies by running simulation model for one year. If goods shortage was allowing, the seventh schemes (72000,158100) was better ,the minimum total cost was 888158 yuan ; considering allowing a small amount of shortage, the cost of eighth schemes ( 82000,1

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Mustafid, Dwi Ispriyanti, Sugito, and Diah Safitri. "Inventory control systems for stochastic lead time demand." E3S Web of Conferences 73 (2018): 13021. http://dx.doi.org/10.1051/e3sconf/20187313021.

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Product inventory control can be used to provide information related to processes of production and distribution products based on lead time and product demand from consumers. The research aims to design product inventory control systems for stochastic lead time demand, and using exponential smoothing to make lead time demand prediction. The design of the control system uses the probability method based on the estimated number of product demand from the market or consumer. This research provides theoretical framework for control systems of products that can determine the size of inventory para

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Fadiyah, Nasa, and Said Salim Dahda. "Determining Order Size on Joint Inventory of Single Buyer and Seller With Fuzzy Demand." G-Tech: Jurnal Teknologi Terapan 9, no. 1 (2025): 453–62. https://doi.org/10.70609/gtech.v9i1.6232.

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Every company generally has problems about the company's inventory control system. The ability to meet demand with the right amount, time and location. Common models such as EOQ / EPQ are often used in inventory planning and control. The assumption of using this model requires cost and demand data that must be known and fixed. So that in solving inventory system problems sometimes there is a lack of information about similar data. So the development is needed to adjust to the conditions and industrial environment. One is an integration model between suppliers and buyers that results in lot siz

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Kwak, Jin-Kyung. "An Order-Up-to Inventory Model with Sustainability Consideration." Sustainability 13, no. 23 (2021): 13305. http://dx.doi.org/10.3390/su132313305.

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Along with growing interest in environmental concerns these days, significant academic efforts have been exerted to incorporate sustainability issues into the existing inventory models except for fixed-review interval (i.e., order-up-to models). In this study, we develop an order-up-to model considering environment-related costs and investigate the value of this new policy over the naïve one. Results of an extensive simulation study reveal that sustainability consideration reduces the total costs and that its value is higher when the mean demand is higher, when demand is more variable, when th

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Ardiananta, Izky, and Mursyid Hasan Basri. "Inventory Management Improvement at PT Inalum, Kuala Tanjung, Sumatra Utara." European Journal of Business and Management Research 9, no. 2 (2024): 71–78. http://dx.doi.org/10.24018/ejbmr.2024.9.2.2302.

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This research aimed to analyze the inventory issue in PT Inalum. The method used in this research is a quantitative method to collect inventory historical data from January 2022 to December 2022 obtained from the company’s ERP SAP. The data contains information of 6028 items of the MRO inventory. The collected data was analyzed using Economic Order Quantity (EOQ), Reorder Point (ROP), Safety Stock (SS) and Average Inventory Level (AIL). By using Fixed Order Quantity model, the MRO inventory is calculated to compare the ideal and actual average inventory levels. From the analysis, the researche

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Yunani, Akhmad, and Sita Firmialy. "IMPROVING FINANCIAL PERFORMANCE THROUGH PROBABILISTIC INVENTORY MANAGEMENT AND COST EFFICIENCY ANALYSIS: LEARN FROM A DAIRY MILK COOPERATIVE." Jurnal Riset Bisnis dan Manajemen 18, no. 1 (2025): 106–21. https://doi.org/10.23969/jrbm.v18i1.19992.

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The study mainly focused on the inventory management of wheat pollard, the most essential material for the production of concentrates required by cooperative members. A probabilistic inventory management model is applied to address the issue of uncertainty in concentrates requirements. The model recommends a potential inventory cost savings. More precisely, the model suggests to order an amount of 60,000 kg of wheat pollard and transport using three trucks with the capacity of 20 tons respectively. As a consequence, the company save IDR32.63 million of inventory cost each year. In addition, th

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ANANTO, Teodosius Raditya, and Nurhadi SISWANTO. "Development of Inventory Model for Perishable Product with Dynamic Pricing." Eurasia Proceedings of Science Technology Engineering and Mathematics 23 (October 16, 2023): 372–80. http://dx.doi.org/10.55549/epstem.1371747.

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: Perishable products are products whose value decreases over time. Inventory management for perishable products is a challenge experienced by retailers. Problems arise when inventory costs increase due to a large amount of wasted or waste products. This research aims to maximize profit by providing policy recommendations for inventory procurement under dynamic pricing. This research optimization focuses on determining the optimal order size and reorder level. To solve this problem, a simulation model is created by considering changes in product prices as product quality decreases. The simulat

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Seifbarghy, Mehdi, Roger M. Hill, and David K. Smith. "A two-echelon inventory model with lost sales." European Journal of Operational Research 181, no. 2 (2006): 753–66. https://doi.org/10.1016/j.ejor.2006.08.017.

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This paper considers a single-item, two-echelon, continuous-review inventory model. A number of retailers have their stock replenished from a central warehouse. The warehouse in turn replenishes stock from an external supplier. The demand processes on the retailers are independent Poisson. Demand not met at a retailer is lost. The order quantity from each retailer on the warehouse and from the warehouse on the supplier takes the same fixed value Q, an exogenous variable determined by packaging and handling constraints. Retailer i follows a (Q, Ri) control policy. The warehouse operates an (SQ,

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Vicente, Joaquim Jorge. "Optimizing Supply Chain Inventory: A Mixed Integer Linear Programming Approach." Systems 13, no. 1 (2025): 33. https://doi.org/10.3390/systems13010033.

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Abstract: Inventory supply chain planning involves determining the quantity of products to be transported among entities within a specified planning horizon. Often, inventory levels are reviewed at set intervals: (1) Background: In this paper, periodic review (s,S) policy is used to optimize inventories from an integrated perspective of inventory management across the supply chain. The decision to place an order and the order quantity are based on the inventory level at the review time. If the inventory falls below a certain level (s), an order is placed to replenish it to a target level (S);

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Luchko, Mykhailo, Iryna Lukanovska, and Vadym Ratynsky. "Modelling inventory management: Separate issues for construction and application." International Journal of Production Management and Engineering 7, no. 2 (2019): 117. http://dx.doi.org/10.4995/ijpme.2019.11435.

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<div><p class="TtuloAbstract">The model of inventory management on the basis of which the calculations of the efficiency of the use of inventories, minimizing the total costs associated with their delivery, storage and fines for lack of stocks in the presence of demand for them have been made and presented in the article. Using it in practice will allow managing the logistics and warehouse costs, the risk of not receiving or reducing the company's profits due to the excess costs and the efficiency of turnover of inventories. The proposed model takes into account the depending on th

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Kacprzak, Dariusz, and Witold Kosiński. "Optimizing Firm Inventory Costs as a Fuzzy Problem." Studies in Logic, Grammar and Rhetoric 37, no. 1 (2014): 89–105. http://dx.doi.org/10.2478/slgr-2014-0019.

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AbstractThe fixed order quantity model of inventory management system is used in the deterministic part. Several elements of inventory cost, such as ordering cost, transportation and storing costs, frozen capital cost, as well as extra rebates, are taken into account in the model. Then the fuzzy optimization problem for the total cost function is formulated within the space of Ordered Fuzzy Numbers when all variables of the model are fuzzy. After the choice of a particular defuzzification functional an appropriate theorem is formulated which gives the solution of the problem.

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Wang, Chia-Nan, Thanh-Tuan Dang, and Ngoc-Ai-Thy Nguyen. "A Computational Model for Determining Levels of Factors in Inventory Management Using Response Surface Methodology." Mathematics 8, no. 8 (2020): 1210. http://dx.doi.org/10.3390/math8081210.

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Inventory management plays a critical role in balancing supply availability with customer requirements and significantly contributes to the performance of the whole supply chain. It involves many different features, such as controlling and managing purchases from suppliers to consumers, keeping safety stock, examining the amount of product for sale, and order fulfillment. This paper involves the development of computational modeling for the inventory control problem in Thailand. The problem focuses on determining levels of factors, which are order quantity, reorder point, target stock, and inv

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Anjani, Andan, and Adirizal Nizar. "Inventory management and cost efficiency." International Journal of Research in Business and Social Science (2147- 4478) 10, no. 2 (2021): 217–27. http://dx.doi.org/10.20525/ijrbs.v10i2.1042.

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This research aims to observe current inventory management applied by one of the medical equipment distributors specializing in eye health devices, and provide recommendations for an optimal inventory management system to achieve cost efficiency afterward. The method used in this research is quantitative, focusing on processing and analyzing numerical data obtained from the company to calculate safety stock and the number of orders. In addition, ABC classification is also used in data processing to group items based on their value. Items belonging to class A (having a value of 80% for the comp

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Risyahadi (Universitas IPB - Indonesia), Sazli Tutur, and Hanifah Yunan Putri (Universitas IPB - Indonesia). "UPAYA IMPROVEMENT PENGENDALIAN PERSEDIAAN SUKU CADANG DENGAN METODE FIXED TIME PERIOD PADA PT XYZ." Jurnal Manajemen Industri dan Logistik 3, no. 2 (2019): 129–40. http://dx.doi.org/10.30988/jmil.v3i2.122.

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Abstract Perusahaan yang memiliki keinginan untuk memenangkan persaingan yang terus meningkat di era globalisasi, perlu terus menerus melakukan perbaikan metode pengendalian persediaan suku cadangnya. Metode existing di perusahaan memiliki beberapa kekurangan seperti belum mempertimbangkan standar deviasi demand dan service level yang dikehendaki oleh perusahaan. Tujuan kajian ini adalah melakukan perbaikan pengelolaan persediaan suku cadang dengan menerapkan model yang memiliki karakteristik pengadaan yang sesuai dengan perusahaan. Model Fixed Time Period (FTP) adalah model yang sesuai karena

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Chen, Pоуu. "An inventory model of purchase quantity for fully-loaded vehicles with maximum trips in consecutive transport time." Yugoslav Journal of Operations Research 23, no. 3 (2013): 457–66. http://dx.doi.org/10.2298/yjor120718013c.

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Products made overseas but sold in Taiwan are very common. Regarding the cross-border or interregional production and marketing of goods, inventory decision-makers often have to think about how to determine the amount of purchases per cycle, the number of transport vehicles, the working hours of each transport vehicle, and the delivery by ground or air transport to sales offices in order to minimize the total cost of the inventory in unit time. This model assumes that the amount of purchases for each order cycle should allow all rented vehicles to be fully loaded and the transport times to rea

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Febriani, Cindra, and Khafidz Rosyidi. "PENGENDALIAN PERSEDIAAN BAHAN BAKU LAKOP SAPU DENGAN METODE EOQ (ECONOMIC ORDER QUANTITY) PADA UD.PLASTIK PURWOSARI." JKIE (Journal Knowledge Industrial Engineering) 5, no. 3 (2018): 129–38. https://doi.org/10.35891/jkie.v5i3.2043.

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Each company has different ways to manage raw material inventory. Starting from the number of units of raw materials, time of use, as well as the amount of costs to purchase raw materials. The amount of raw material inventory that is minimal or too big is feared will be an obstacle of a company's productivity, so it needs a good raw material management pattern for the company. Policies in inventory management need to be formulated appropriately so as to achieve the objectives expected by the company. There are several methods to control inventory levels, including the Economic Order Quantity (

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Kalaichelvan, Kalaiarasi, Nasreen Kausar, Sajida Kousar, Yeliz Karaca, Dragan Pamucar, and Mohammed Abdullah Salman. "Economic Order Quantity Model-Based Optimized Fuzzy Nonlinear Dynamic Mathematical Schemes." Computational Intelligence and Neuroscience 2022 (July 15, 2022): 1–9. http://dx.doi.org/10.1155/2022/3881265.

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Fuzzy mathematics-informed methods are beneficial in cases when observations display uncertainty and volatility since it is of vital importance to make predictions about the future considering the stages of interpreting, planning, and strategy building. It is possible to realize this aim through accurate, reliable, and realistic data and information analysis, emerging from past to present time. The principal expenditures are treated as fuzzy numbers in this article, which includes a blurry categorial prototype with pattern-diverse stipulation and collapse with salvation worth. Multiple paramet

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Shaikh, Ali Akbar, Leopoldo Eduardo Cárdenas–Barrón, Asoke Kumar Bhunia, and Sunil Tiwari. "An inventory model of a three parameter Weibull distributed deteriorating item with variable demand dependent on price and frequency of advertisement under trade credit." RAIRO - Operations Research 53, no. 3 (2019): 903–16. http://dx.doi.org/10.1051/ro/2017052.

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This paper develops an inventory model for a deteriorating item with variable demand dependent on the selling price and frequency of advertisement of the item under the financial trade credit policy. Shortages are allowed and these are partially backlogged with a variable rate dependent on the duration of waiting time until to the arrival of next order. In this inventory model, the deterioration rate follows a three-parameter Weibull distribution. The corresponding inventory model is formulated and solved by using the well-known generalized reduced gradient method along with an algorithm. To v

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Korkulu, Sezen, and Krisztina Bona. "Flexibility analysis of inventory cost model with ergonomics." International Journal of Engineering and Management Sciences 4, no. 1 (2019): 166–73. http://dx.doi.org/10.21791/ijems.2019.1.21.

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The economic and environmental sustainability issues in supply chain management have integrated by many researchers in the past decades. The ergonomics as a social aspect of sustainability had received a little attention by researchers. Therefore, the aim of the paper is analyzing the flexibility of developed inventory cost model with relaxation allowance and endurance time as a social aspect of sustainability. The effects of distance, unit weight of item and total number of items on relaxation allowance, the total cost of logistics operation and the EOQ model were investigated. The analyzed m

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Emmanuel Mitaire TARURHOR (Ph.D) and Akanni Atanda OWOLABI. "ACCOUNT RECEIVABLE AND INVENTORY CONVERSION MANAGEMENT AS DETERMINANTS OF CORPORATE FINANCIAL PERFORMANCE: EVIDENCE FROM PUBLICLY QUOTED NIGERIAN FIRMS." Finance & Accounting Research Journal 4, no. 5 (2022): 271–80. http://dx.doi.org/10.51594/farj.v4i5.418.

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In this study, we examined whether account receivable and inventory conversion management (ICM) serve as a determinant of corporate financial performance. Ex-post facto design was used and sample of seventy-six (76) firms across various non-financial firm’s sectors were employed. Panel data were obtained from 2011-2019; data obtained were analyzed via descriptive (mean, median, standard deviation, minimum and maximum values, kurtosis, skewness and correlation matrix), diagnostic statistics (variance inflation factor, and unit root) and inferential (fixed and random effects model and Hausman sp

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Gupta, Kavita. "Inventory and transportation cost minimization in the delivery logistics of swine flu vaccine." Yugoslav Journal of Operations Research 27, no. 4 (2017): 481–97. http://dx.doi.org/10.2298/yjor160617022g.

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In this paper, we present a mathematical model of delivery logistics of swine flu vaccine in a rural area. The objective is to make the medicine available at the Primary health centres of that area in such a way that the total cost (purchasing and cartage) of obtaining the flu vaccination is minimized and the demand of the demand centres is met. One more constraint is taken into consideration: once the bottle of the medicine is opened, it has to be given to a fixed number of patients requiring swine flu vaccine simultaneously, failing which, the proportion of unused medicine becomes obsolete a

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ZHANG, JU-LIANG. "INTEGRATED DECISION ON PRICING, PROMOTION AND INVENTORY MANAGEMENT." Asia-Pacific Journal of Operational Research 29, no. 06 (2012): 1250038. http://dx.doi.org/10.1142/s0217595912500388.

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Firms often utilize promotion (such as coupons, advertisements, recruitment of excellent salespeople, and leafleting etc.) and dynamic adjustment of price to manage customers as well as proper production/inventory plan to satisfy the customers to get maximal profit in a firm. The decision on promotion and pricing and the decision on production/inventory must support each other. This paper addresses coordinated decision on pricing, promotion(non-price promotion) and inventory management. Specifically, we study a single item, periodic review model. The demand function is a linear demand function

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KROMMYDA, IRIS-PANDORA, KONSTANTINA SKOURI, IOANNIS KONSTANTARAS, and IOANNIS GANAS. "OPTIMAL PRICING AND REPLENISHMENT POLICY FOR NONINSTANTANEOUS DETERIORATING ITEMS AND TWO LEVELS OF STORAGE." Asia-Pacific Journal of Operational Research 30, no. 04 (2013): 1350001. http://dx.doi.org/10.1142/s0217595913500012.

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In this paper an inventory control system for deteriorating items with price and time-dependent demand is studied. The majority of the existing literature in inventory systems for deteriorating items, deals with items that are subject to deterioration as soon as they enter the warehouse. However, there are items that have a shelf-life and start deteriorating after a time lag (noninstantaneous deteriorating items). Under some special circumstances, i.e., attractive price discount, low storage cost, high demand, etc; the procurement of a large amount of such items at a time is decided. Because o

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León, Roberto, Pablo A. Miranda-Gonzalez, Francisco J. Tapia-Ubeda, and Elias Olivares-Benitez. "An Inventory Service-Level Optimization Problem for a Multi-Warehouse Supply Chain Network with Stochastic Demands." Mathematics 12, no. 16 (2024): 2544. http://dx.doi.org/10.3390/math12162544.

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This research aims to develop a mathematical model and a solution approach for jointly optimizing a global inventory service level and order sizes for a single-commodity supply chain network with multiple warehouses or distribution centers. The latter face stochastic demands, such as most real-world supply chains do nowadays, yielding significant model complexity. The studied problem is of high relevance for inventory management, inventory location, and supply chain network design-related literature, as well as for logistics and supply chain managers. The proposed optimization model minimizes

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Xi, Jia, and Ping Ba Sha. "Research on Optimization of Inventory Management Based on Demand Forecasting." Applied Mechanics and Materials 687-691 (November 2014): 4828–31. http://dx.doi.org/10.4028/www.scientific.net/amm.687-691.4828.

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Demand forecasting is the basis of the inventory management. Aiming at the problem of subjective forecasting method, we use quadratic exponential smoothing method to establish the mathematical model, to forecast sales volume of product A in every month in 2013. And based on demand forecasting, we put forward ABC classification management method to solve the inventory management issues. The research result of this paper has important implications in improving the inventory management level for many enterprises.Demand Forecasting and Inventory ManagementInventory management is an important part

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Feinberg, Eugene A., and Yan Liang. "STOCHASTIC SETUP-COST INVENTORY MODEL WITH BACKORDERS AND QUASICONVEX COST FUNCTIONS." Probability in the Engineering and Informational Sciences 34, no. 3 (2019): 429–68. http://dx.doi.org/10.1017/s0269964818000335.

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This paper studies a periodic-review single-commodity setup-cost inventory model with backorders and holding/backlog costs satisfying quasiconvexity assumptions. We show that the Markov decision process for this inventory model satisfies the assumptions that lead to the validity of optimality equations for discounted and average-cost problems and to the existence of optimal (s, S) policies. In particular, we prove the equicontinuity of the family of discounted value functions and the convergence of optimal discounted lower thresholds to the optimal average-cost lower threshold for some sequenc

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Marwa AbdElwahab. "Optimizing Food SME Inventory Using a Deep Reinforcement Learning Framework." Journal of Information Systems Engineering and Management 10, no. 37s (2025): 09–15. https://doi.org/10.52783/jisem.v10i37s.6374.

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Introduction: Inventory management is a critical challenge for small and medium-sized enterprises (SMEs), particularly in the food sector, due to the perishable nature of goods and fluctuating demand. Traditional inventory models often fail to adapt to these dynamic conditions, leading to inefficiencies and increased costs. Objectives: This study aims to develop a cost-effective and adaptive framework for inventory optimization in food-sector SMEs. The focus is on applying deep reinforcement learning techniques in single-stage or single-agent environments to simplify complex inventory systems

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Jiroyah, Fakhma, and Sumarsono. "ANALISIS PENGENDALIAN PERSEDIAAN BAHAN BAKU DI UKM BATIK SEKAR JATI STAR DENGAN MENGGUNAKAN METODE ABC ANALYSIS DAN ECONOMIC ORDER QUANTITY (EOQ)." Jurnal Penelitian Bidang Inovasi & Pengelolaan Industri 1, no. 01 (2021): 32–41. http://dx.doi.org/10.33752/invantri.v1i01.1829.

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SMEs of Batik "Sekar Jati Star" is one of the manufacturing industries engaged in batik making located in Jatipelem Village, Jombang and established since 1999. One of the typical motifs in ukm is jombangan motif that depicts the icon of Jombang city. The problem is management of raw material supplies is not optimal, where so far there is no evaluation and no inventory model method is used. So that the article aims to control the inventory of batik raw materials which include fabric, dye and wax. This inventory control includes the classification of each raw material for making batik using the

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OUYANG, LIANG-YUH, KUN-SHAN WU, and CHIH-TE YANG. "AN EOQ MODEL WITH LIMITED STORAGE CAPACITY UNDER TRADE CREDITS." Asia-Pacific Journal of Operational Research 24, no. 04 (2007): 575–92. http://dx.doi.org/10.1142/s0217595907001371.

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In the classical economic order quantity (EOQ) inventory model, it was assumed that the retailer must pay for the received items immediately. However, in practice, the supplier not only allows retailer to settle the account after a certain fixed period but also may offer a cash discount to encourage the retailer to pay for his purchases as soon as possible. On the other hand, it is common practice in most inventory systems to hold excess stocks in a rented warehouse whenever the storage capacity of the owned warehouse is insufficient. Therefore, the purpose of this paper is to establish an EOQ

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Ruiz, Cesar, Edward Pohl, and Haitao Liao. "Bayesian degradation modelling for spare parts inventory management." IMA Journal of Management Mathematics 32, no. 1 (2020): 31–49. http://dx.doi.org/10.1093/imaman/dpaa008.

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Abstract Decision makers in various sectors, such as manufacturing and transportation, strive to minimize downtime costs. Often, brief-planned stoppage times allow for changes in shifts and line configurations and longer periods are scheduled for major repairs. It is quite important to proactively make use of these downtimes to reduce the costs of unexpected downtimes due to failures. Among many aspects, the availability of spare parts significantly affects the operational costs of such systems. Current sensor technologies enable the condition monitoring of critical components and degradation-

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Lin, Hsien-Jen. "An integrated supply chain inventory model with imperfect-quality items, controllable lead time and distribution-free demand." Yugoslav Journal of Operations Research 23, no. 1 (2013): 87–109. http://dx.doi.org/10.2298/yjor110506019l.

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In this paper, we consider an integrated vendor-buyer inventory policy for a continuous review model with a random number of defective items and screening process gradually at a fixed screening rate in buyer?s arriving order lot. We assume that shortages are allowed and partially backlogged on the buyer?s side, and that the lead time demand distribution is unknown, except its first two moments. The objective is to apply the minmax distribution free approach to determine the optimal order quantity, reorder point, lead time and the number of lots delivered in one production run simultaneously so

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Soshko, Oksana. "Inventory Management in Multi Echelon Supply Chain using Sample Average Approximation." Scientific Journal of Riga Technical University. Computer Sciences 39, no. 1 (2009): 45–51. http://dx.doi.org/10.2478/v10143-010-0006-x.

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Inventory Management in Multi Echelon Supply Chain using Sample Average ApproximationAn optimization model of multiechelon supply chain is presented in this paper. The decisions to be made are the amount of beer to be ordered in every echelon of supply chain in each echelon over the time horizon of one year. Since demand of the end customer is stochastic and presented by means of scenarios, the problem is solved by using sample average approximation method. This method uses only a subset of the scenarios, randomly sampled according to the distribution over scenarios, to represent the full scen

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Mahajan, Aditya, and Anil Kumar Chilakapati. "A Review of BIM based Inventory Management Workflow and Techniques." Asian Review of Civil Engineering 12, no. 1 (2023): 18–23. http://dx.doi.org/10.51983/tarce-2023.12.1.3584.

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The main objective of material management is to strategically plan the usage of materials, which is crucial for the construction sector. When producing material managing with the goal of fulfilling the demands of production and building. Materials should be kept to a minimum, and the amount of capital should be decreased. in order to choose the best manufacturing scenario and manage the inventory efficiently. In this situation, simulation offers a suitable method for quickly testing suggested scenarios. Building information modelling (BIM) offers a practical and comprehensive way of exchanging

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Sharma, Anuj Kumar, Sunil Tiwari, V. S. S. Yadavalli, and Chandra K. Jaggi. "Optimal trade credit and replenishment policies for non-instantaneous deteriorating items." RAIRO - Operations Research 54, no. 6 (2020): 1793–826. http://dx.doi.org/10.1051/ro/2019104.

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The present study presents a fuzzy inventory model for non-instantaneous deteriorating items under conditions of permissible delay in payments. In the current paper, we incorporate the condition in which, the supplier accepts the partial payment at the end of the credit period and the reaming amount after that period under the term and condition. Here, the demand rate is a function of the selling price. Also, it is assumed that shortages are allowed and are fully backlogged. The present paper also considers that the interest earned (IE) on the fixed deposit amount, i.e., revenue generated by f

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Paluch, Waldemar. "The use of the EOQ model in inventory management in the supply chain on the example of Bahlsen Polska." Logistics and Transport, no. 43 (2019): 41–46. http://dx.doi.org/10.26411/83-1734-2015-4-43-5-19.

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The article presents the theoretical basis of the EOQ (economic quantity order) model, which allows you to optimize the size of the order so as to minimize the cost of frozen capital. The next part presents the results of implementing the model at Bahlsen Polska, assuming that it does not receive any discounts from suppliers in relation to the size of the order. This assumption can be excluded in the case of the functioning of the disposition system, carried out taking into account large contracts with the supplier. Optimization in this situation does not apply to the quantity in the contract,

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Paluch, Waldemar. "The Use of the EOQ Model in Inventory Management in the Supply Chain on the Example of Bahlsen Polska." Logistics and Transport 43, no. 3 (2019): 41–46. http://dx.doi.org/10.26411/83-1734-2015-3-43-5-19.

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The article presents the theoretical basis of the EOQ (economic quantity order) model, which allows you to optimize the size of the order so as to minimize the cost of frozen capital. The next part presents the results of implementing the model at Bahlsen Polska, assuming that it does not receive any discounts from suppliers in relation to the size of the order. This assumption can be excluded in the case of the functioning of the disposition system, carried out taking into account large contracts with the supplier. Optimization in this situation does not apply to the quantity in the contract,

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Anshar, Khairul, Subhan A. Gani, and Nurbayyinah Rangkuti. "Controlling merchandise inventory using the economic order quantity multi-item discount model method using Odoo software at UD. Ridho." TEKNOSAINS : Jurnal Sains, Teknologi dan Informatika 11, no. 2 (2024): 355–64. http://dx.doi.org/10.37373/tekno.v11i2.1115.

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UD. Ridho is a business based in Jl. Sudirman Pekan Dolok Masihul, Dolok Masihul District, Serdang Bedagai Regency, North Sumatra, deals in the sale and purchase of goods. The business had an accumulation of surplus inventory, or overstock, which damaged the goods and kept them from going bad. resulting in total losses of Rp 154,104,00 from January 2023 to June 2023. Orders are placed by UD. Ridho for goods from five vendors. The EOQ Multi Item Model Discount Method is applied in this study using the Odoo software. The EOQ Multi-Item Discount Model is a technique for optimizing inventory costs

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Zhang, Na, Haiyan Wang, Baohua Yang, and Muyuan Wu. "Evolutionary Game Mechanism of Governmental Cross-Regional Cooperation in AirPollution Management." Sustainability 15, no. 2 (2023): 1413. http://dx.doi.org/10.3390/su15021413.

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Intergovernmental collaboration is essential for regionally coordinated air pollution prevention and control. An evolutionary game model of local government behavior strategy selection taking into account the fixed cost of the local government, the total amount of network production factors, and the total amount of total network factors of production that can be moved is built based on the social capital theory in order to realize the cross-border collaborative control of regional air pollution. The issue of an intergovernmental cooperation framework for collaborative prevention and control of

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Baron, Opher, Oded Berman, and David Perry. "CONTINUOUS REVIEW INVENTORY MODELS FOR PERISHABLE ITEMS WITH LEADTIMES." Probability in the Engineering and Informational Sciences 34, no. 3 (2017): 317–42. http://dx.doi.org/10.1017/s0269964817000225.

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We consider a continuous review (s, S) model of perishable items with lost sales. Once items are perished the entire inventory drops instantaneously to zero. The total cost includes the cost of: ordering, unsatisfied demand, units destroyed, holding, and fixed cost of perishability. Both the time to perishability and the lead times are assumed to be exponentially distributed while two cases of demand distribution are considered: Poisson and compound Poisson with general demand sizes. We study the average cost criterion and provide computational results on the problem of finding the optimal re-

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Cao, Bing-Bing, Zhi-Ping Fan, Hongyan Li, and Tian-Hui You. "Joint Inventory, Pricing, and Advertising Decisions with Surplus and Stockout Loss Aversions." Discrete Dynamics in Nature and Society 2016 (2016): 1–14. http://dx.doi.org/10.1155/2016/1907680.

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The newsvendor models considering decision-makers’ behavioral factors remain a fruitful research area in operation management field in past decade. In this paper, we further extend the current literatures to look into joint inventory, pricing, and advertising decisions considering loss aversion effects under the newsvendor setting. The purpose is to explore how the loss aversions affect the optimal policy of order quantity, price, and advertising effort level. We present an integrated utility model to measure both economic payoff and loss aversion utility of the newsvendor, where surplus loss

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Debnath, Manik, Sanat Kr Mazumder, Md Billal Hossain, Arindam Garai, and Csaba Balint Illes. "Optimal Base-Stock Inventory-Management Policies of Cement Retailers under Supply-Side Disruptions." Mathematics 11, no. 18 (2023): 3971. http://dx.doi.org/10.3390/math11183971.

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The current study aims to identify some optimal base-stock inventory-management policies that maximize the expected long-run profitability of cement retailers under potential supply-side disruptions. Unlike existing articles, the proposed economic order-quantity model considers periodically varying random demand rates of deteriorating items together with partially back-ordered shortages in the face of those random disruptions. This study computes the global concavity to execute the exemplary aspect for the optimal base-stock level under a slew of cost components and a fixed cycle length. Regar

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Linda, Perdana Wanti, Hafsarah Maharrani Ratih, Wachid Adi Prasetya Nur, Tripustikasari Eka, and Ndaru Ikhtiagung Ganjar. "Optimation economic order quantity method for a support system reorder point stock." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 5 (2020): 4992–5000. https://doi.org/10.11591/ijece.v10i5.pp4992-5000.

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The success of a company is measured by the ability to provide goods and services at the right time and place. Besides, one of the factors of the company's progress is also supported by inventory management which functions to control the company's inventory by neither hoarding lots of products nor running out of products. The development of technology requires a company's inventory management that is fast, precise and accurate to support its’ performance. In fact, some companies have difficulty in determining the stock of their goods production so that it impedes the fulfillm

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Liu, Lihua, Aneng He, Tian Tian, Lai Soon Lee, and Hsin-Vonn Seow. "Bi-Objective Mixed Integer Nonlinear Programming Model for Low Carbon Location-Inventory-Routing Problem with Time Windows and Customer Satisfaction." Mathematics 12, no. 15 (2024): 2367. http://dx.doi.org/10.3390/math12152367.

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In order to support a low-carbon economy and manage market competition, location–inventory–routing logistics management must play a crucial role to minimize carbon emissions while maximizing customer satisfaction. This paper proposes a bi-objective mixed-integer nonlinear programming model with time window constraints that satisfies the normal distribution of stochastic customer demand. The proposed model aims to find Pareto optimal solutions for total cost minimization and customer satisfaction maximization. An improved non-dominated sorting genetic algorithm II (IMNSGA-II) with an elite stra

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Ching, Andrew T., and Matthew Osborne. "Identification and Estimation of Forward-Looking Behavior: The Case of Consumer Stockpiling." Marketing Science 39, no. 4 (2020): 707–26. http://dx.doi.org/10.1287/mksc.2019.1193.

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Understanding how forward-looking consumers respond to price promotions in storable goods markets is an important area of research in empirical marketing and industrial organization. In prior work, researchers have assumed that consumers in these markets are very forward-looking, and calibrated their weekly discount factors to levels around 0.9995. This calibration has been used because earlier research has assumed that a consumer’s storage cost is a continuous function of inventory, which rules out exclusion restrictions that can be used to identify the discount factor. We show that by proper

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