The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Universitas Sebelas Maret (UNS) is a university in which one of its goal is to develop research studies and community service in order to produce the high quality of teaching and learning. UNS then allocates at least 10% of its budget implemented list fund from PNBP (Pendapatan Negara Bukan Pajak, i.e. non-tax revenue) for Research and Community Service Program under the supervision of LPPM (Lembaga...
In this paper, we develop a closed-loop supply chain by considering inspection, sorting, waste disposal, and rework. There are three parties involved in the model, namely retailer, manufacturer, and supplier. The retailer's demand is satisfied by newly manufactured items or remanufactured items. The model uses two recovery processes toward used items, namely remanufacturing and refurbishing. The recoverable...
A hospital equipment company that has large market must maintain their competitiveness both in terms of the quality, price, number of employees, timeliness of delivery, the expansion of marketing, technology development, et all. Problems that faced by hospital equipment companies in Indonesia are often running out of stock of one of the actuator motor parts of the electric bed product. Motor actuator...
The aim of this paper is to develop an integrated single vendor-buyer inventory problem with periodic review policy. The model considers inspection errors, partial backorder, adjusted production rate, dan variable lead time. The buyer faces stochastic demand and uses periodic review model to control the inventory level. An inspection process is established by the buyer to categorize the items received...
Production process in many companies involves not only producers and consumers but also suppliers, collectors, and manufacturers as its stakeholder. Some defect products are often out of inspection so that it has been distributed along the markets and soon rejected by the customers. The role of collectors is to buy the rejected products from customers and resell them to manufacturers for recycling...
In this paper, we develop an integrated vendor-buyer inventory model for item with imperfect quality and inspection errors. We assume that market demand is influenced by buyer's selling price and marketing effort. The production process is imperfect and produces a certain number of defective items. The delivery quantity from vendor to buyer is identical at each shipment. After the delivery arrives...
Here, we study an Economic Order Quantity (EOQ) model with temporary price discount, defective items and limited warehouse capacity. We intend to investigate a situation in retailer system in which the supplier offers a temporary discount. The retailer's ware house capacity is limited then there ia an opportunity to rent additional warehause. We also consider a condition where lot of product transfer...
Here, we develop a supply chain inventory model consisting of a vendor and a buyer. We assume that the lot transferred from vendor to buyer contains a proportion of defective items and the demand is assumed to be normally distributed. To screening the received items, the buyer conducts an inspection process to guarantee that the items sold to the end customers are in good quality. However, the inspection...
Manufacturing costs and tolerance will affect the price and the quality of a product from every manufacturer company. Companies must produce high-quality products with low manufacturing costs in order to keep their products competitive in the market. However, it is difficult to produce a high-quality product with a low manufacturing cost. Companies have difficulties in determining the components to...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.