OPEDIA

Pure Know-How
for Operations

AJAX progress indicator
  • n
  • np-chart
    The np-chart is a type of Control Chart which is used to monitor a process over time and to distinguish between common and special cause variation for discrete attribute datawhen analyzing(...) Read More
  • o
  • OEE (Overall Equipment Effectiveness)
    OEE (Overall Equipment Effectiveness) is a Lean Metric comparing the potential machine performance to the actual performance. It is the product of three factors: Availability, Performance,(...) Read More
  • O'Peep
    O’Peep is a certified Master Black Belt who loves teaching Lean Six Sigma online – and it’s his personal ambition to make every Online Course a most practical and fun learning experience for(...) Read More
  • Operational Excellence
    Operational Excellence (OPEX) is a collection of activities, tools, and principles for process improvementis an integrated approach for business improvementis a vehicle for organizational(...) Read More
  • OPEX
    Operational Excellence (OPEX) is a collection of activities, tools, and principles for process improvementis an integrated approach for business improvementis a vehicle for organizational(...) Read More
  • OTIF
    OTIF (On Time, In Full) is a Lean Metric describing the success of delivering exactly what the customer ordered, at the time it was supposed to be delivered. Work with OTIF to Increase(...) Read More
  • OTIF (On Time, In Full)
    OTIF (On Time, In Full) is a Lean Metric describing the the success of delivering exactly what the customer ordered, at the time it was supposed to be delivered. Work with OTIF to (...) Read More
  • Overprocessing (Type of Waste)
    Overprocessing means doing more than necessary to produce an output, or, simply doing something better than required by the customer. Why this is waste? Doing only what is actually required(...) Read More
  • Overproduction (Type of Waste)
    Overproduction means producing more than customer demand or producing it too early. It is simply everything that is produced but not yet required by the customer. As a result, overproduced(...) Read More
  • p
  • p-chart
    The p-chart is a type of Control Chart which is used to monitor a process over time and to distinguish between common and special cause variation for discrete attribute datawhen analyzing(...) Read More
  • PDCA (Plan Do Check Act)
    PDCA is the acronym for the phases of a continuous improvement cycle: Plan-Do-Check-Act Plan: what should be done and how to do itDo: what was plannedCheck: whether you’ve achieved what you(...) Read More
  • Pie Chart
    Pie charts help show the relationship of a part to the whole. A pie chart can be used to visualize cause-effect relationships between a discrete X and a discrete Y.  Read More
  • Poka Yoke
    Poka Yoke (Japanese for "mistake-proofing") is the toolbox to avoid defective products or services by avoiding mistakes. You probably remember Murphy's Law "Anything that can go wrong will go(...) Read More
  • Pp
    The Pp-Index compares the tolerances of the process (how it should be) to the process spread (how it is). The long-term standard deviation sLT  is calculated using long term data, usually 25-50(...) Read More
  • Ppk
    The Ppk-Index compares the distance from the process center to the nearest Specification Limit (how the process should be) to the process spread (how it is). The long-term standard deviation(...) Read More
  • Practical Vision
    A vision is a compelling picture of a preferred future motivating us to act. The practical vision shows the process that would theoretically be practical, still extreme, and may require the use(...) Read More
  • Prevention Costs
    Costs of all activities that are designed to prevent poor quality in products or services from arising. E.g. costs of Quality planningQuality educationTraining,Capability studiesStatistical(...) Read More
  • Problem
    Often, the word "problem" has a negative meaning scaring people off once they find one. However, problems are actually gaps between the current situation and an ideal situation. Therefore,(...) Read More
  • Problem Solving
    Problem solving is a systematic approach for identifying and solving the actual cause of a problem instead of jumping to solutions. "Complex" problems can be tackled with the DMAIC approach.(...) Read More
  • Process Capability
    Process Capability compares how the process actually is (described by its mean and its standard deviation), compared to how it should be (described by its specification limits USL and LSL).(...) Read More
  • Process Mapping
    Process Mapping means breaking a process down into a sequence of steps and visualizing them. It is a powerful tool to better understand, improve, document, and plan a process. Before you start(...) Read More