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by Fred Schenkelberg 7 Comments

4 Different Types of Reliability Testing

4 Different Types of Reliability Testing

Getting the Right Information from Your Reliability Testing

You cannot test in reliability any more than you can test in quality. Often reliability testing is done though, and knowing the range of testing approaches and their associated results will help you get the most information from each test conducted.

Let’s explore the types of testing that generate information useful as you develop a reliable product. There are 4 different types of reliability testing:

  1. Discovery
  2. Life
  3. Environmental
  4. Regulatory

Within each type there are many variations to the testing details and the specific results generated. Understanding the questions each type of testing has the capability to resolve is a good first step to implementing the right set of tests for your project. [Read more…]

Filed Under: Articles, CRE Preparation Notes, Reliability Testing Tagged With: Environmental Testing, Highly Accelerated Life Test, Life Test, Reliability test planning, Reliability Testing, tests

by Fred Schenkelberg 3 Comments

4 Steps to Accomplish HALT

4 Steps to Accomplish HALT

4 Not Always Easy Steps

Highly Accelerated Life Testing, HALT, is a method to discover the weaknesses in a design. Using a step stress approach of single and combined stresses, you can quickly expose the salient weaknesses in your design and/or assembly process.

The value of HALT is it’s quick and often finds problems not previously known. You will destroy one or more prototypes, yet the value of knowing specifically what needs improvement more than justifies the sacrifice of a few photos.

Conducting HALT may be part of your reliability plan. Keeping a few steps in mind will help make sure your HALT does provide value back to your development efforts. [Read more…]

Filed Under: Articles, CRE Preparation Notes, Reliability Testing Tagged With: HALT, Highly Accelerated Life Test, Reliability test planning, stress, tests

by Dennis Craggs 5 Comments

Telematics Data Analytics Overview

Telematics Data Analytics Overview

Product design, development, and reliability engineers need to verify that their product meets specifications, which include dimensional requirements, functional definitions, and life testing. How are the requirements validated?

Telematics data is collected to show how a vehicle has been operated. Fleets and retail data are stored on servers for engineering analysis. This data can be used to set new requirements or validate older requirements.

[Read more…]

Filed Under: Articles, Big Data & Analytics, on Tools & Techniques Tagged With: tests, validation, verification

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