Measurement and Statistics : Reliability

Expert Answers: November 2013

by Laman, Scott A.

Sampling plans for reliability testing...

Open Access

Perspectives: Relying on the Basics

by Diepstra, Keith

It’s difficult to improve a process that isn’t running. Equipment reliability from a manufacturing equipment perspective is typically the purview of maintenance teams and may include watch-over by the engineering team....

Open Access

Sustainable Future

by Scriabina, Natalia; Cort, Gary

The new international standard ISO 9004:2009—managing for the sustained success of an organization—a quality management approach, brings quality management to a new area of sustained success. The standard adds a new term, sustained success...

Measure for Measure: Calibration, From Cradle to Grave

by Bucher, Jay L.

"From cradle to grave" is a phrase commonly used in drug development. But it makes just as much sense when talking about calibration, because in nearly every part of our lives, we are exposed to various measurement disciplines and influences....

Planning Life Tests for Reliability Demonstration

by Meeker, William Q.; Hahn, Gerald J.; Doganaksoy, Necip

How many units do I need to test and for how long to demonstrate high reliability? Engineers and managers ask statisticians this question all the time because they need information about reliability before making important decisions....

Speedier Reliability Analysis

by Hahn, Gerald J.; Meeker, William Q.; Doganaksoy, Necip

Customers demand high reliability in new products. The fact that product development usually lasts no more than one year, from design to production, means that accelerated life tests (ALTs) are critical. ALTs are one element of a reliability assurance...

When Quality Is a Matter of Taste, Use Reliability Indexes

by Futrell, David

The quality of subjective measurements depends on the consistency of the people who make the ratings. To assess this consistency, there are two types of reliability indexes. The Kappa technique is appropriate for measurements based on categorical or...

Featured advertisers