04 - Chapter 4 Preliminary System Design Preliminary system...

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Chapter 4 Preliminary System Design
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2 Preliminary system design Subsystem design requirements, Development, product, process and material specifications, Functional analysis and allocation (subsystem), Detailed design requirements, Engineering design tools and technologies, Trade-off studies and design definition, Design review, evaluation and feedback.
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3 Preliminary vs. conceptual Conceptual design defines the top-level requirements for a system, whereas preliminary design extends this to sub- systems. Preliminary design aims to demonstrate that selected system concept will conform to performance and design specifications and that it can be produced with existing methods and within established cost and schedule constraints.
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4 Subsystem design requirements Evolve from system design requirements Top-down approach System specification document is the major reference An iterative process involving both top- down and bottom-up approaches
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04 - Chapter 4 Preliminary System Design Preliminary system...

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