OMSAN LOJİSTİK
Information Systems to Inventory Management Inventory Planning and Management Latin America Logistics Center Logistics Management Series -
Agenda Planning vs. Control Forecasting Fill Rate Planning Replenishment Planning Optimisation Supply Chain Management
Planning vs. Control Planning Management Execution Monitoring
Inventory Control Fundamentals for Inventory Planning How Many do I have in Stock? –By Item –By Position Accuracy is Critical –Key Performance Indicators –% Accuracy by % de Positions
Demand Forecast Critical for Inventory Planning Question: How Many will we sale? –By Item –By Period Planning Horizon Coverage Optimal Review Intervals Key Performance Indicators in Demand Forecast
Forecast
Fill Rate Planning How Many in Stock to achieve the target by fill rate & ROI By Item, by Position, by Period Stock Cycles Safety Stock Stocks Building
Inventory Management in Time
Stock of the Replenishment Cycle Is the Stock that results from the difference between the replenishment quantities and the quantities of the demand orders
Safety Stock Planned Inventory to fulfil demand overloads during lead time
Building Inventory Planned Inventory to accumulate stock before the demand season Generally for periods of time in which demand exceeds production capacity
Replenishment Planning When does Inventory should be replenished? How many units? From which location? Planning Scope –Reorder Points –Distribution Requirements Planning (DRP) –Constrained Optimisation
Replenishment Planning Customer DC Customer DC Plant DC Customer DC
Constrained Optimisation Develop a plan that recognises the business constraints Capacity and Sequence of the Production Lines Vehicle Capacity and Transportation Costs Warehousing Capacity Inventory Carrying Cost Customer Prioritisation Business Performance Optimisation –Cost Minimisation & Revenues Maximisation
Constrained Optimisation Simultaneously consider all SKUs that share Constraints –Within the Business –Between Business Requires Advanced Mathematical Techniques of Optimisation –Linear Programming –Artificial Intelligence Techniques
Supply Management Inventory Management and Replenishment through Supply Chain Business More Acronyms... –QR - Quick Response –ECR - Efficient Consumer Response –VMI - Vendor Managed Inventory –CPFR - Collaborative Planning, Forecasting & Replenishment
QR, ECR, VMI The Supplier is Responsible for Inventory Planning and Replenishment in the POS Usually occurs between big suppliers and customers Requires EDI or Electronic Data Batch Oriented, is not interactive
Local User Internet/Extranet Customer, Supplier, Remote User Forecast & Replenishment Planning Reviews and Confirmation Internet Collaborative Planning
Case Study - Heineken USA HUSA is the only importer of Heineken to USA HUSA sales 150 SKUs to 450 distributors No Production Facilities in USA – only Marketing, Sales and Distribution
Product and Information Flow HUSA Brewery Distributors Orders Product
Objectives Reduce order lead time Provide to the Brewery better product forecast Improve Service Levels to and from distributors Improve flow of information of marketing with distributors
HOPS Characteristics Gathers Sales and Stocks Data Delivers to the Distributor a Forecast for Review and Approval Delivers to the Distributor an Inventory plan. Allows reviews of parameters and rules Delivers to the Distributor a suggested order –Based on forecast, targets & constraints Real Time System
Information Flow HUSA Brewery Distributors Confirmed Orders, Sales & Forecasts, Inventory Position Distributors Orders & Aggregate Forecast Suggested Orders, Inventory, Forecasts
Heineken Operational Planning System
Outcomes Better achievement of sales targets Dramatically improved forecasts sent to the Brewery Sales person dismissal from taking orders Four weeks reduction in customer order cycles Sales Increase!!!
Software for Inventory Management Manugistics Numetrix i2 FYI Planner Lucas-Baer LPA Logility Information Concepts Inc.