aggregate planning - zoominzoomin.idt.mdh.se/course/ppu426/aggregate planning.pdfwith aggregate...
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Aggregate planningSan Aziz
2018-12-21
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● Aggregate plan for production.
● Aggregate plan for similar products.
● How to develop the best aggregate plan?
Agenda
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What is aggregate plan?
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● The aggregate plan specifies how the company wants to use the resources most efficiently.
● To reach the goals and satisfy demand.
What is aggregate plan?
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What is aggregate plan?
Aggregate plan is dynamic.
What do we mean when we say that aggregate plan is
dynamic?
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What is aggregate plan?
Aggregate plan is dynamic that needs constant updates.
Because in real life, the demand and the production
capacity are uncertain.
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What is aggregate plan?
Another term for aggregate plan is S&OP, Sales and
Operations Plan.
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What is aggregate plan?
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Example 1: Aggregate plan for production
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Example 1: Aggregate plan for production
Product design
Workforce
Inventory on hand
External capacity
Raw materials
Demand forecasts
Detailedplan for
production
Master plan for
production
Aggregate plan for production
Resources planning for the new product
Market Research and
Development
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Example 2: Aggregate plan for similar products
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Example 2: Aggregate plan for similar products
Instead of planning for individual products, similar
products are planned together in groups.
In aggregate plan, one group of similar products is as one
unit.
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Example 2: Aggregate plan for
similar products
Apple
Product hierarchy
Productionarea for iPhone
iPhone 8
Black
Silver
iPhone X
64 GB
128 GB
Productionarea for
Macbook
Macbook Air Macbook Pro
Intel i5
Intel i7
Product family
Product type
Model/color/capacity etc.
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Some definitions whenworking with aggregate
planning.
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Definitions during working with aggregate planning
● Backlog
● Accumulation of customer orders, for delivery at some futuredate.
● Backorder
● An order that a customer is (reluctantly) prepared to wait a limited time for.
● Stockout
● The customer is not ready to wait and therefore the order is lost.
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So, how to do to develop the best aggregate plan?
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Developing the best aggregate plan in 3 main steps.
So, how to do to develop the best aggregate plan?
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So, how to do to develop the best aggregate plan?
Developing the best aggregate plan i 3 main steps:
1. Process for data collection, demand planning etc.
2. Six supply options to discuss when developing the best aggregate plan.
3. Two stragies for searching for the best aggregate plan.
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1. Process for data collection, demand planning etc.
So, how to do to develop the best aggregate plan?
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Process for data collection, demand planning etc.
So, how to do to develop the
best aggregate plan?
Gather dataDemandplanning
Update S&OPConsensus meetings
ExcutiveS&OP meeting
Finilize and communicate
Gather data about, production, capacity, inventory, costs and constraints
Gather information about demand and forecasts.
Update the Sales and Operations Planning with actual information about production, capacity, inventory, costs, demand, forcastsand constraints
Meeting withstakeholders
Meeting with the firm’spresident.
Update the Sales and Operations Plan and communicate withimportant stakeholdersfor implementations.
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2. Six supply options to discuss when developing the
best aggregate plan.
So, how to do to develop the best aggregate plan?
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Six supply options to use when developing the best aggregate plan, singly or in combination:
● Anticipation inventory ● It is an extra inventory to meet uneven rate of
demand and supply.
● Workforce adjustment ● It is about workforce adjustment by hiring or laying
off employees.
● Workforce utilization ● It is about workforce utilization by working overtime
or undertime.
So, how to do to develop the best aggregate plan?
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Six supply options to use when developing the best aggregate plan, singly or in combination:
● Part-time workers● Is about hiring workers for a short time.
● Subcontractors● External capacity.
● Vacation schedules● It is about vacations planning. During this period
can manufacturer shut down and has employees to perform preventive maintenance.
So, how to do to develop the best aggregate plan?
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3. Two strategies for searching for the best
aggregate plan.
So, how to do to develop the best aggregate plan?
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Two stragies in searching for the best aggregate plan.
So, how to do to develop the best aggregate plan?
Level strategy Chase strategy
Hiring and laying off employees, depending on the demand.
Work undertime and overtime to keep employees.
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● CHAPTER 10: PLANNING AND SCHEDULING OPERATIONS.
Chapters in coursebook