Macro production planning
the number of employees to retain,
Purchase of more capacity
the quantity and mix of products to be produced
Why APP is necessary?
Minimize overloading and un
PUSH AND PULL CONTROL
SYSTEMS: MRP and JIT
TWO PHILOSOPHIES FOR
Pull: production is initiated as a
reaction to present demand.
Push: production is initiated in
appreciation of future demand.
Examples: McDonalds: push,
Summary of last week
Theorem 1: In the basic single-machine problem,
schedules without inserted idle time constitute a dominant set.
Theorem 2: In the basic single machine problem,
schedules without preemption constitute a dominant
Theorem 3: Mean ow
OPERATIONS / PRODUCTION
An important aspect of operations control
Scheduling is the allocation, subject to constraints, of resources (e.g. machines)to objects (e.g. jobs) being placed in space-time.
Usually it refers to determining th
FEM21028 Production Planning and Scheduling
Exercise 3 (15 points)
A special bike shop makes it owns bikes. Per employee it can make 2 bikes per
month. It starts the year with 4 workers. The demand forecast for the coming 12
This exam has questions totaling 105 points and you only need to give answers
for 100 points, so you may choose which questions to answer.
NB. This file does not contain the questions about quality control: they were made
with Latex and put on pdf.
Exercise 1 The Cyclepro Company produces recumbent bicycles (Dutch ligfietsen). The
demand forecast over a planning horizon of 6 months together with the number of working
days are as follows