Back to Basics

2002

Open Access

Column: Back to Basics: Using the Cumulative Line

by Hamilton, Bart P.

How a Pareto chart can help you keep track of the progress of your corrective efforts

The Pareto chart is usually thought of as a problem identification tool, and it is. Once used to identify the potential causes of a problem, it can also report the progress of the corrective efforts. This is where the...


Open Access

Column: Back to Basics: A good problem description is key

by Raub, George R., III

You can cause more difficulties if you don't get off to the right start

A good problem description is the key to the corrective action process described by Kepner-Tregoe. Corrective action teams use the initial problem description as their starting point, but the initial reports are often spotty...


Open Access

Column: Back to Basics: Is There a Relationship Here?

by ASQ's Quality Management Division

A scatter diagram can help you determine if there's a correlation between two variables

A scatter diagram is a chart in which one variable is plotted against another to determine whether there is a correlation between the two. These diagrams are used to plot the distribution of information in two dimensions...


Open Access

Column: Back to Basics: The Benefits of PDCA

by Johnson, Corinne N.

Use this cycle for continual process improvement

The PDCA cycle is also known by two other names, the Shewhart cycle and the Deming cycle. Walter A. Shewhart first discussed the concept of PDCA in his 1939 book, Statistical Method From the Viewpoint of Quality Control....


Open Access

Column: Back to Basics: What Is a Fault Tree Analysis?

by Pilot, Simha

Use a general conclusion to determine specific causes of a system failure

The fault tree analysis (FTA) was first introduced by Bell Laboratories and is one of the most widely used methods in system reliability, maintainability and safety analysis. It is a deductive procedure used to determine the...


What Is a Fault Tree Analysis?

by Pilot, Simha

Use a general conclusion to determine specific causes of a system failure

The fault tree analysis (FTA) was first introduced by Bell Laboratories and is one of the most widely used methods in system reliability, maintainability and safety analysis. The main purpose of the fault tree analysis is to help identify potential causes...


Open Access

Column: Back to Basics: It's Fun To Work With an F-M-E-A

by Johnson, Kristen

10 steps for an effective FMEA: Review the process. Brainstorm potential failure modes. List potential effects of each failure mode. Assign a severity rating for each effect. Assign an occurrence rating for each failure mode. Assign a detection rating...



Featured advertisers