Design for Reliability A Roadmap for Design Robustness

Moataz Elheddeny
Moataz Elheddeny is a Six Sigma practitioner, with a broad experience in Quality and Reliability methodologies. He has worked for different companies, including Siemens Healthcare, Ingersoll Rand and Brunswick, with different responsibilities including deploying DfR programs, developing DFSS/DfR training material and coaching engineers on reliability test methods. He has also served as an adjunct more


With the increase in global competition, more and more costumers consider reliability as one of their primary deciding factors, when purchasing new products. Several companies have invested in developing their own Design for Reliability (DFR) processes and roadmaps in order to be able to meet those requirements and compete in today�s market. This presentation will describe the DFR roadmap and how to effectively use it to ensure the success of the reliability program by focusing on the following DFR elements: ?Customer Requirements: Identifying customer requirements early in the development process will help the organization make the right decisions and trade-offs to meet those requirements. ?Application/Usage Stresses: Understanding the application/usage conditions of any system is a crucial task for any reliability program. ?Failure Mode/Site/Mechanism: Once the application stresses have been identified, multiple techniques could be used to identify possible failure modes for the new design. ?Verification: To verify that the design meets the customer requirements and whether it would perform its function reliably under the identified stresses, different reliability verification tests (e.g., HALT, ALT) could be very helpful.

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