Developing and Designing New Products

7.3.5 Verification. Basic concept – “Does it work on paper?”

7.3.6 Validation. Basic concept – “Does it work in reality?”

7.3.7 Changes. Consider the impact of proposed changes, especially in terms of “backwards compatibility.”


Xmultiple Design Review Step

Design review is something we do periodically during the design process to make sure we’re on track. Is everything going as planned? Have any problems come up? Do we need to do something differently? The whole point of design review is to identify and remove roadblocks to successful design.

During design planning, we identified the various stages of the design. As part of this, we also determined the number and timing of the design reviews. Every design will have at least one design review, and complex or troublesome designs may require many more.
People involved in design reviews must include the representatives from functions involved in that stage of the design. So, excluding a key player for the sake of convenience would be a problem. Finally, design reviews always produce records. The record will indicate the results of the reviews and any necessary actions the design team decided to take. Design review includes meeting minutes, memos, design files, emails, or other records.

Xmultiple Design and Development Verification

Verification is where we compare the outputs against the inputs. Does the available evidence indicate that the design will meet our requirements? The verification could consist of calculations, simulations, prototype evaluation, lab tests, and comparison against samples, first article inspection, or other methods. Xmultiple maintains records of design verification, and these records indicate the results of verifications and any actions necessary.

Xmultiple Design and Development Validation

Validation is similar to verification, except with validation our engineers actually checking the designed product under conditions of actual use. Verification is theoretical, but validation is the real world. We conduct validation prior to delivery or implemented product.

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