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  Solutions: Robust Design


Robust Design: Not just strong -- Flexible! Mistake Proof! Simple! Efficient! A product/process that produces consistent, high-level performance despite being subjected to a wide range of changing client and manufacturing conditions.

Traditional engineering focuses on solving problems, failure analysis, use of a repetitive process of design-build-test, testing one factor at a time, firefighting, and studying in detail the problems associated with interactions of the factors involved. This approach costs more, takes more time, and isn't always successful.

Taguchi's approach allows experiments to be performed and prototypes to be tested on multiple factors at once so that the product/process becomes insensitive to use-conditions and other uncontrollable factors. This is called Robust Design, and it provides a more efficient, cost-effective way to improve products and processes.

This revolutionary approach to engineering and design represents one of the most significant breakthroughs in product and process design since the Quality Revolution began.

It provides a method for designing products and processes that are minimally impacted by external forces, such as environment, client use, or manufacturing conditions.

This is accomplished using Energy Transformation principles for improving the desired output targeted toward perfect performance, rather than attempting to suppress symptoms.

It enables engineers to:

  • Develop products and processes which perform consistently as intended under a wide range of user's conditions throughout their life cycle (durable and reliable)
  • Maximize robustness-improve the intended function of the product by developing and increasing insensitivity to noise factors which tend to degrade performance
  • Develop or change product formulas and process settings to achieve desired performance at the lowest cost and in the shortest time
  • Simplify designs and processes to reduce cost

The Robust Design approach is based on an Energy Transformation model for Engineering systems (mechanical, electrical, chemical, etc.). This unique approach to achieving Quality Assurance and Robustness during the design phase utilizes identification of the Ideal Function of a product or process, as opposed to traditional methods which focus on "symptom analysis" as a basis for improvement.

The Robust Design system simultaneously yields:

  • Significantly improved quality, reliability, and durability
  • Reduced manufacturing costs
  • Reduced design cycle times
  • New, proprietary knowledge


bullet Axiomatic Design
bullet DFSS
bullet Lean Principles
bullet LEOSM
bullet MTS
bullet Pugh Concept
bullet Quality Function Deployment
bullet Robust Design
bullet Robust Engineering
bullet Six Sigma
bullet SPC
bullet Strategic Direction
bullet Taguchi Methods
bullet TRIZ
bullet Voice of the Customer



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