Zusammenfassung der Ressource
Aggregate Planning Today
- Characteristics
- Period Time:
3-18 months
(12avg)
- Update on
periodic basis
- LINK
- Facilities Planning:
Physical Capacity
- Cannot be exceeded
by aggregate planning
- Resource Acquisition
- Scheduling: Allocation of
resources to specific jobs
- Constrained by
aggregate planning
- Goal
- Efective Resource
Use to satisfy
expected demand
- Decision Options
- Modify Demand
- Pricing
Advertising &
Promotion
Backlog /
Reservation
Dev. of Compl.
Products
- Modify Supply
- Hiring & Layoff
Overtime & Undertime
Part-time & Temporary
Carrying Inventory
Subcontracting
- Costs
- Strategies
- Focal Point
- Maintain: a
1)Level Workforce
2)Steady Output
Rate Match
3)Demand Period
by Period
- Mixed
- Combination
of Decision
Variables
- Strategic and
Reflect Firm´s
Objectives
- Models
- Optimization
Methods
- Linear Decision
Transport Method
Linear Programmig
- Explicit Costs,
Mathematical
Optimality
- Cost-based Heuristics
- Param. Prod. Planning
Search Decis. Rule
Prod.-Switching Heuristic
- Production
Decision
Framework
- Implicit Costs and Consistent Decisions
- Techniques
- Informal
- Graphs & Tables
Not an Optimum
- Mathematical
- Lin. Programming and Extension
- Determinism assumption
- Uncertainty in forecasts
- Linear Decision Rule
- Heuristic and Simulation Techniques
- Experience
- Management coefficients approach
- Past Approaches
- Simluation Search Procedures
- Trial and Error
- New Developments
- Prod. Decision Framework
- Ratio Cost of Changing
production level Vs
Carrying Inventory
- Indicators: Period Ratio &
Planning Horizon Ratio
- Discrete
Production-Switching
Rule
- Discrete Production
Evironments
- Overtime Options
- Improved
hierarchical
prod. planning
- Reduces
Complexity of
Solution
- 1) Forecasting 2) Aggregate Prod Plann
3) Disagg. Prod. Plann 4) Sequencing
- Reducing Direct Costs