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Samenvatting slides Operationeel beheer & logistiek (behaald resultaat 14/20)
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Samenvatting slides Operationeel beheer & logistiek
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Samenvatting operationeel beheerCHAPTER 1: INTRODUCTION TO OPERATIONS MANAGEMENT
Definitie OM
De bedrijfsfunctie die verantwoordelijk is voor het plannen, coördineren, en controleren
van de middelen nodig om de produkten en diensten van het bedrijf te produceren
Operations Management Characteristics
• A management function
• An organization’s core function
• In every organization
• Small or large
• Service or Manufacturing
• For-profit or Not-for-profit
Logistiek en Supply Chain
Simplified Organizational Chart
,Information Flows
Information Flows To & From Operations
The Role of OM in Business
Value Added Defined
Productivity
P = Outputs
Inputs
,Productivity Measures
• Partial Measures:
• A ratio of outputs to only one input (e.g.: labor productivity, machine
utilization, energy efficiency)
• Multifactor Measures:
• A ratio of outputs to several, but not all, inputs
• Total Productivity Measures:
• The ratio of outputs to all inputs
Labor Productivity
vb:
• Assume two workers paint twenty-four tables in eight hours:
• Inputs: 16 hours of labor (2 workers x 8 hours)
• Outputs: 24 painted tables
outputs = 24 tafels = 1.5 tafels/uur
inputs 16 uur
Examples partial productivity measures
Multifactor Productivity
• Convert all inputs & outputs to € value
• Output: 200 units produced sell for 12.00€ each
• Input:
• Materials cost 6.50 € per unit
• 40 hours of labor were required at 10 € an hour
200 units x 12€ / unit. . = 2400=1.41
200 units x 6.50€ / unit) + (40 hours x €10 / hour). 1700
Interpreting Productivity Measures
• Is the productivity measure of 1.41 in the previous example good or bad?
, Productivity Growth Rate
• Can be used to compare a process’ productivity at a given time (P2) to the
same process’ productivity at an earlier time (P1)
Growth Rate = p2-p1/p1
Example:
• Last week a company produced 150 units using 200 hours of labor
• This week, the same company produced 180 units using 250 hours of labor
Service - Manufacturing
Services:
• Intangible product
• No inventories
• High customer contact
• Short response time
• Labor intensive
Manufacturing:
• Tangible product
• Can be inventoried
• Low customer contact
• Long response time
• Capital intensive
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