文档介绍：Aggregate Planning Operations Management petitive Advantage CHASE AQUILANO JACOBS ninth edition Chapter 12 Chapter 12 Aggregate Planning Operations Planning Overview The hierarchical planning process Aggregate production planning Examples: Chase and Level strategies Operations Planning Overview Long-range planning Greater than one year planning horizon Usually with yearly increments Intermediate-range planning Six to eighteen months Usually with monthly or quarterly increments Short-range planning One day to less than six months Usually with weekly increments Master Production Scheduling Material Requirements Planning Order Scheduling Weekly Workforce & Customer Scheduling Daily Workforce & Customer Scheduling Process Planning Strategic Capacity Planning Aggregate Planning Long- range Intermediate- range Short- range Manufacturing Services Exhibit Hierarchical Production Planning Annual demand by item and by region Monthly demand for 15 months by product type Monthly demand for 5 months by item Forecasts needed Allocates production among plants Determines seasonal plan by product type Determines monthly item production schedules Decision Process Decision Level Corporate Plant manager Shop superintendent Exhibit Aggregate Planning Goal: Specify the bination of production rate (pleted per unit of time) workforce level (number of workers) inventory on hand (inventory carried from previous period) Product group or broad category (Aggregation) Intermediate-range planning period: 6-18 months Balancing Aggregate Demand and Aggregate Production Capacity 0 2000 4000 6000 8000 10000 Jan Feb Mar Apr May Jun 4500 5500 7000 10000 8000 6000 0 2000 4000 6000 8000 10000 Jan Feb Mar Apr May Jun 4500 4000 9000 8000 4000 6000 Suppose the figure to the right represents forecast demand in units. Now suppose this lower figure represents the aggregate capacity of pany to meet demand. What we wan