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Design for Reliability


It is actually a process. Specifically, DFR describes the entire set of tools that support product and process design to ensure that customer expectations for reliability are fully met throughout the life of the product with low overall life-cycle costs. In other words, DFR is a systematic, streamlined, concurrent engineering program .


The major phases of a DFR Program typically contain the following steps:

1- Identify Phase:

The goal in the Identify phase is to quantitatively define the reliability requirements for a product as well as the end user environmental conditions.

2- Design Phase:

The Design Phase is the stage where specific design activities begin, such as circuit layout, mechanical drawing, component/supplier selection, etc. Therefore, a better design picture begins emerging.

3-Analyze Phase:

In the Analysis Phase, estimate the product's reliability, early in the design phase. It is important at this phase to address all the potential sources of product failure. This requires close cooperation between reliability engineer and the design team .

4-Verify Phase:

In the Verify Phase, similar hardware are built. Quantify all of the previous work based on test results. By this stage, similar hardware should be ready for testing and more detailed analysis.

5-Validate Phase:

Validation usually involves functional and environmental testing on a system level with the purpose to become production-ready. Make sure that the product is ready for high volume production. Design modifications might be necessary to improve robustness.

6-Control Phase:

In the Control Phase, we need to assure that the process remains unchanged and the variations remain within the tolerances.


The reason for deploying of DFR is warranty costs and customer satisfaction.

  • Reliability engineering is engineering that emphasizes dependability in the lifecycle management of a product. Dependability, or reliability, describes the ability of a system or component to function under stated conditions for a specified period of time.

  • Reliability is the probability that a product will continue to work normally over a specified interval of time, under specified conditions.

  • Reliability is not a separate activity performed by any group within an organization. Product reliability goals, concerns and activities are integrated into nearly every function and process of an organization. Each organization must follow reliability into every decision in order to ensure produce a successful product.


Reliability engineers and those interested in rotating equipment performance. Project Engineer, Design Engineer.



Program Fee - 30,000

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  • KIIT-TBI, Campus - XI, KIIT University, Patia, Bhubaneswar, Odisha, India - 751024
  • +91 98610 15544
  • +91 98610 15544
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