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1. Advanced Planning
and Scheduling
(APS)
Prepared by
Katie M. Miller
Boise State University

2. Overview
•Definition of Advanced Planning and
Scheduling (APS)
•Explanation of what APS does
•Explanation of how it works
•Practice with APS technologies
•Example of APS working for a real company
•Brainstorming on how it could work for you
•Implementing APS in your own firm

3. Introduction
As the manufacturing world pushes
toward new business standards,
demand is increasing for an
integrated system that can support
shifting decisions in supply chain
management. Luckily, APS could be
the answer.

4. What is APS?
•Advanced Planning and
Scheduling (APS) is a software
system that uses intelligent
analytical tools to perform finite
scheduling and produce realistic
plans.

5. Nuts and Bolts of APS
APS uses Finite Scheduling
•Finite scheduling is a process that
assumes a fixed maximum capacity
and sequences jobs according to
actual company constraints.
•It creates more realistic forecasts
than infinite scheduling methods

6. Nuts and Bolts of APS
APS does Advanced Scheduling
Advanced scheduling:
•Considers plant capacity
•Considers business limitations

7. Nuts and Bolts of APS
APS does Advanced Planning
Advanced planning:
•Considers the organization of
machines and work cells
•Considers business objectives

8. Nuts and Bolts of APS
Together, Advanced Scheduling and
Advanced Planning:
•Comprise the APS system
•Use finite planning and scheduling
tactics
•Improve the accuracy of the production
process
•Perform multiple data passes to optimize
plans and schedules

9. What can APS do?
•Compare supply chain performance
to increase accuracy
•Operate in real-time
•Reduce inventories
•Improve customer delivery times
•Increase utilization of resources
•Enhance efficiency of asset
deployment

10. What about the old
systems?
APS was designed to:
•Resolve problems with ERP systems
•Improve on MRP processes
•Employ more advanced technologies

11. How does APS work?
APS systems:
•Follow a four part model
•Utilize company specific
constraints
•Employ advanced mathematical
technologies

12. APS Four Part ModelEnterprise Wide
Planning Avaliable to
Supply Promise
Chain
Planning Capable to
Production Promise
Scheduling
~ Created by Advanced
Manufacturing Research, Inc.
AMR’s APS Model

13. APS and Constraints
Three Considered Constraints:
1.Limitations
2.Rules
3.Objectives

14. APS Technologies
1.Linear programming
2.Genetic algorithms
3.Heuristics
4.Constraint based
programming (CBP)

15. You try it!
Setup Matrix for XYZ CorporationA B C
A 2 13 8
B 15 2 18
C 6 14 2

16. Constraint Based
Programming ProblemA
? 8
A B C
? ? ? ? ? ?
B C A C A B
? ? ? ? ? ?
C B C A B A
Total ? ? ? ? ? ?
Setup Time

17. Constraint Based
Programming AnswerA
2 8
A B C
13 8 15 18 6 14
B C A C A B
18 14 8 6 8 15
C B C A B A
Total 33 24 36 37 22 37
Setup Time
13

18. A little APS Review
APS Systems:
•Support decision making in the supply
chain
•Use finite scheduling to consider actual
company constraints and create accurate
real-time plans and schedules
•Employ advanced mathematical
technologies to develop efficient and
effective results

19. The BIG Question
Has APS been
successful?

20. Rohm Haas Example
Rohm and Haas:
•A specialty chemical company
•Manufactures over 200,000 SKUs
•Has 60 plants on 6 continents
Objective:
Provide 100% customer satisfaction,
while reducing inventory to minimal
levels.

21. Rohm and Hass (continued)
Decision:
To implement Manugistics’ netWORKS
APS solution
Outcome:
•Reduced inventories by $300 -$400
million
•Enhanced customer satisfaction

22. Brainstorming
How could Advanced Planning
and Scheduling be used to
improve your firm?

23. Implementing APS in
your Firm
How should you decide on an APS
system for your organization?
•Define your goals and objectives
•Develop a reason for purchasing the
system
•Select software that matches the needs
of your company

24. Implementing APS (continued)
How should your organization
implement APS?
Comprise an implementation team :
•Executive sponsor
•Project manager
•Steering committee
•Knowledge experts
•Project team members

25. Conclusion
This presentation has provided you
with information on APS, its inner
workings, the benefits it provides,
and the ways it can be implemented
into your own organization.
Perhaps this system can be the future
of supply chain support in your firm.

26. Resources
1Alvord, Charles H. “The S in APS.” IIE Solutions. Vol. 31(10). Oct 1999:
38-41.
2Bermudez, John. “APS: Just a Fad or a Breakthrough in Manufacturing
and Supply Chain Management?” The Report on Manufacturing.
Advanced Manufacturing Research, Inc., 1996.
3Elliott, Monica. “APS Vendors.” IIE Solutions. Vol. 32(10). Oct 2000: 48-
56.
4Mann, Paul. “Start From Within.” MSI. Vol. 19(2). Feb 2001:46-50.
5Naden, Jeff. “Have a successful APS implementation.” IIE Solutions. Vol.
32 (10). Oct 2000: 46-48.
6Russell, Roberta S. and Bernard W. Taylor. Operations Management. 4th
Edition. New Jersey: Pearsons Education, Inc., 2003.