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Summary Operations Management Sustainability and Supply Chain Management

- Jay Heizer, et al
ISBN-10 1292295031 ISBN-13 9781292295039
290 Flashcards & Notes
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A snapshot of the summary - Operations Management Sustainability and Supply Chain Management Author: Jay Heizer Barry Render Chuck Munson ISBN: 9781292295039

  • 1 Week 1

  • Goods and services

  • Which 5 things do operation managers?
    • Planning
    • Organizing
    • Staffing (hoeveel personeel nodig. Hoeveel zetten we waar in)
    • Leading
    • Controlling
  • Organizing to produce goods and services

  • What are the 3 most essential functions in a firm?
    1. Marketing: generates demand
    2. Production/operations: creates the product
    3. Finance/accounting: tracks how well the organization is doing, pays bills, collects the money
  • The supply chain

  • What's the difference between operation management and supply chain management?
    • Operation management: looking into the operations of individual companies in the supply chain
    • Supply chain management: exploring the supply chain as a whole
  • Areas of interest

  • Into which three categories can the subjects that will be dealt with in this course roughly be divided?
    1. Performance requirements and analysis
    2. Process design
    3. Planning and scheduling
  • Productivity

  • What are the three characteristics of productivity?
    • Measure of product improvement
    • Represents output relative to input
    • Productivity increase improves standard of living
  • Overview: planning and scheduling

  • Which 3 levels of planning do you have?
    • Long-term
    • Intermediate(=gemiddeld, tussen liggend)-term
    • Short-term
  • Learning curve effects

  • What are the 3 characteristics of the learning curve effect?
    • Time needed to produce a unit decreases with each additional unit
    • Time needed decreases at a decreasing rate as cumulative(=dat steeds bij elkaar opgeteld is) production increases
    • Decrease in time follows an exponential curve called: learning or experience curve
  • Arithmetic approach

  • What is the meaning of the learning rate L?
    Each time the production doubles, then the time needed for producing a unit will equal the production time multiplied by L
    NB De tijd neemt steeds minder hard af. Is ook in de learning graph te zien, waar tussen de eerste punten heel weinig ruimte zit en later steeds meer.
  • 1.2.4 Mod. D

  • Waiting line terminology. What is:
    • Queue
    • Arrival
    • Queue discipline
    • Channel
    • Phase 
    • Queue: waiting line
    • Arrival: 1 person, machine, part etc. That arrives and demand services
    • Queue discipline: rules of determining the order that arrivals receive service (vaak FIFO, maar op eerste hulp bv niet)
    • Channel: number of servers
    • Phase: number of steps in service
  • Where does labda and mu stand for?
    • Labda: mean of arrivals
    • Mu: mean of service rate

    Zie afbeelding. Die formules die daar op staan hoef je niet te kennen, achtergrond info.
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