• TECHNICAL
    • Product Requirements Specification (PRS)

      Other names are:  Product requirements document (PRD), Product Technical Specification (PTS), Software requirements Specification (see IEEE 830 - http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?isnumber=15571&arnumber=720574&count=1&index=0)

      • Draw from the MRD all information that determines and effects the technical aspects of the product {1, 2, 3, 14, 16}
      • Determine need for DfX (Design for Everything); e.g., Design for: Assembly (DfA), Manufacturing (DfM), Safety (DfS), Environment (DfE), etc. {3, 5, 12, 13, 14, 16}
      • Research interfaces, compatibilities, etc. {2, 14}
      • Determine which parts are to be common, OTS and standard (availability) {2, 3, 12, 16}
      • Determine standards required: industrial, legal, safety, environmental, Testing {2, 4, 5, 6, 13, 16}
      • Configure appropriate customizations required, as well as, standardizations to effect future upgrades, planed cost reductions, etc. {1, 2, 9, 10, 11, 16}
      • Develop verification and validation tests {1, 4, 5, 6, 7, 8, 13, 16}
      • Outline total testing regime (The Realms of Testing...throughout a product's life-cycle) {1, 4, 16}
      • Generate the PRS to include all the requirements and tests (above – and others, especially Industrial design and usability aspects needed to design the product and verify that the product was correctly designed) {1, 4, 16}

    • Design
    • Translate the PRS requirements into selected technology.

      • Research and use Judicious choice of odd, rare, old, untested, non-validated or unusual components – risk involved {1, 2, 3, 4, 5, 6,7, 8, 12, 13, 14, 16}
      •  "Designing in quality and reliability" to avoid potential costly defects, errors, rework, scrap, procurement of replacement materials, factory/machine capacity degradation, re-qualifications/re-certifications costs, and overhead demands
        (See: Quality vs. Reliability from a Product Development point-of-view) {2, 4, 7, 8, 9}
      • Optimize placement, mounting, etc. tolerances {4, 7, 8, 9, 12, 16}
      • Minimize product, equipment calibrations {4, 6, 7, 8, 12, 13, 16}
      • Focus needs on a "robust design" - a design that is in minimally sensitive to the normal variations in materials or processes {4, 7, 8, 9, 10, 12}
      • Utilize development tools appropriate to the product type {3, 4, 5, 12, 13}
      • Map to potential and existing process and equipment of manufacturer {3, 4, 7, 8, 12, 14, 16}
      • Fees to Copyright Patent Holders {1, 6, 13}

     
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    2008, Richard M. Haney, CMT Group
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