Quản lý tồn kho là gì

Quản lý tồn kho là gì ? tồn kho quản lý là quá trình kinh doanh ra mức độ tồn kho tổ chức để đạt được dịch vụ khách hàng cao

GLOBAL LOGISTIC MANAGEMENTGLOBAL LOGISTIC MANAGEMENT LECTURE 3: INVENTORY MANAGEMENT Agenda Agenda 1 What is Inventory Management2 Two forms of Demand3 Inventory and Supply Chain Management4 Inventory and Quality Management5 Inventory Control system6 Economic Order Quantity (EOQ) Models AgendaAgenda7 Production Quantity Model8 Quantity Discounts9 Reorder Point10 Safety Stocks 1 What is Inventory management 1 What is Inventory management ??Inventory management is the process of trading off the level of inventory held to achieve high customer service levels with the cost of holding inventory, including capital tied up in inventory, variable storage costs and obsolescence. The purpose of Inventory Management:◦how many units to order◦when to order 2 Two forms of Demand2 Two forms of DemandDependentDependent◦Demand for items used to produce final Demand for items used to produce final products products ◦Tires stored at a Goodyear plant are an example of a dependent demand itemIndependentIndependent◦Demand for items used by external Demand for items used by external customerscustomers◦Cars, appliances, computers, and houses are examples of independent demand inventory 3 Inventory and Supply Chain 3 Inventory and Supply Chain ManagementManagementBullwhip effect◦demand information is distorted as it moves away from the end-use customer◦higher safety stock inventories to are stored to compensateSeasonal or cyclical demandInventory provides independence from vendorsTake advantage of price discountsInventory provides independence between stages and avoids work stop-pages 4 Inventory and Quality 4 Inventory and Quality Management Management Customers usually perceive quality service as availability of goods they want when they want themInventory must be sufficient to provide high-quality customer service in Total Quality Management (TQM) 5 Inventory Control System5 Inventory Control SystemContinuous system (fixed-order-Continuous system (fixed-order-quantity)quantity)◦constant amount ordered when constant amount ordered when inventory declines to inventory declines to predetermined levelpredetermined levelPeriodic system (fixed-time-period)Periodic system (fixed-time-period)◦order placed for variable amount order placed for variable amount after fixed passage of timeafter fixed passage of time 6 Economic Order Quantity 6 Economic Order Quantity (EOQ) Models(EOQ) Models EOQ◦optimal order quantity that will minimize total inventory costsBasic EOQ modelProduction quantity modelAssumptions of EOQ Model:Demand is known with certainty and is Demand is known with certainty and is constant over timeconstant over timeNo shortages are allowedNo shortages are allowedLead time for the receipt of orders is Lead time for the receipt of orders is constantconstantOrder quantity is received all at onceOrder quantity is received all at once Order Inventory CycleOrder Inventory CycleDemand Demand raterateTimeTimeLead Lead timetimeLead Lead timetimeOrder Order placedplacedOrder Order placedplacedOrder Order receiptreceiptOrder Order receiptreceiptInventory LevelInventory LevelReorder point, Reorder point, RROrder quantity, Order quantity, QQ00 123doc.vn