MIT16_842F09_lec06

MIT16_842F09_lec06 - October 16, 2009 16.842 Fundamentals...

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16.842 16.842 Fundamentals of Systems Engineering 1 Lecture 6 – Design Definition and Multidisciplinary Design Optimization Maj. Jeremy Agte October 16, 2009
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16.842 V-Model – Oct 16, 2009 Systems Engineering Overview Stakeholder Analysis Requirements Definition System Architecture Concept Generation Tradespace Exploration Concept Selection Design Definition Multidisciplinary Optimization System Integration Interface Management Verification and Validation Commissioning Operations Lifecycle Management Cost and Schedule Management Human Factors System Safety
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16.842 3 Outline ± NASA Design Definition Process ± Process Overview ± Slides from Lecture 5b on Stellar ± Multidisciplinary Design Optimization ± What it is and where it fits in… ± Motivation ± Roots ± Method ± Limitations ± Future Trends
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16.842 4 Design Solution Definition Process ± The Design Solution Definition Process is used to translate the outputs of the Logical Decomposition Process into a design solution definition Figure 4.3-2 Example of a PBS Design Solution Definition: the specification of a rocket, for example
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16.842 5 Design Solution Importance ± Define solution space ± Develop design alternatives ± Trade studies to analyze ± Alternate Design ± Cost, performance, schedule ± Select Design Solution ± Drive down to lower level ± Identify enabling products Design with the end in mind! What we wanted What we got This image of a space shuttle has been removed due to copyright restrictions. This image of a space shuttle in a building complex has been removed due to copyright restrictions.
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16.842 6 Design Solution Definition – Best Practice Process Flow Diagram Output Activities Input
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16.842 7 Design Solution Definition – Methods ± Analyzing each alternative to be able to select the preferred alternative ± Once an alternative is selected or baselined, the Design Solution Definition Process will be used for: ± Generating end products as a function of the hierarchy in the system structure ± The output end product Design Solution Definition will be used for conducting product verification
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16.842 8 Design Solution Definition – Important Design Considerations Capabilities Functions Priorities Reliability Maintainability Supportability Producibility Operations Maintenance Logistics Life Cycle Cost/Total Ownership Cost System Performance System Availability Process Efficiency Technical Effectiveness System Effectiveness Affordable Operational Effectiveness Other Considerations Software System Safety Accessibility Information Assurance COTS Disposal Human Factors Environ. Constraints
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16.842 9 Design Solution Definition – Summary ± The Design Solution Definition Process is used to translate the outputs of the Logical Decomposition Process into a design solution definition ± Alternative design solutions must be defined and analyzed to select the best alternative that satisfies technical requirements ± The form of the design solution definition depends on
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This note was uploaded on 11/08/2011 for the course AERO 16.810 taught by Professor Olivierdeweck during the Winter '07 term at MIT.

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MIT16_842F09_lec06 - October 16, 2009 16.842 Fundamentals...

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