MIT16_842F09_lec04

MIT16_842F09_lec04 - 16.842 Fundamentals of Systems...

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16.842 Fundamentals of Systems Engineering Fall 2009 System Architecture Concept Generation October 2, 2009 Prof. Olivier de Weck Note: System Architecture is a very rich topic that can take up an entire semester by itself. ESD.34 is a recommended course (E. Crawley) and a number of slides in this lecture are adapted from it. 1
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V-Model – Oct 2, 2009 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 Systems Engineering Overview Stakeholder Analysis Requirements Definition
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System/Product Architecture Framework (ESD.34) Regulations Corporate strategy Competition Market Data Market Strategy function +constraints form How ? Behavior Where? Structure concept System Architecture What ? goals Performance Requirements Manufacturing , Operations, Illities* When? timing Action Who? operator Users Training Outbound marketing strategy, Sales, Distribution Why ? needs Purpose Technology Customer(s) can be *Reliability, Servicability, Environmental Impact, Upgradeability, Flexibility,etc… 3
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1 Themes: Ambiguity-Creativity-Complexity Complexity Ambiguity Mission concept prelim. detailed chunks integration life-cycle evolution C D I O Creativity Early on ambiguity is high -> reduce ambiguity Next concept are needed -> focus creativity Then complexity starts increasing -> manage complexity 4
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A Definition • Architecture – The embodiment of concept , and the allocation of physical/informational function (process) to elements of form (objects) and definition of structural interfaces among the objects • Consists of: Form – Function – Related by Concept – To Form Concept Function 5
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Architecture – Civil These images of a beach and contemporary style houses and corresponding floor plans have been removed due to copyright restrictions. See http://www.coolhouseplans.com for examples. Beach Contemporary 6
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Architecture - Informational 7 Image by MIT OpenCourseWare.
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Form - Defined • The sum of the elements (objects) • The structure or arrangement of the physical/logical embodiment • The shape or configuration • (often but not always) What can be seen • What is implemented (formed, manufactured, assembled, written, sculpted or drawn) • What it is . 8
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Level 0 -1 SYSTEM Part 1 Part 2 ………. .. • Generally 5-9 parts (7+/- 2) • At level -1 we encounter real or atomic parts ± A part cannot be taken a-part without loosing its functionality or integrity ± Definition of what is a part is not always unambiguous • Tree structure is symbolic, and may or may not represent the actual connectivity of the parts (the structure) - all elements on a level can interface, but don’t necessarily all do • Examples ? 9
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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_lec04 - 16.842 Fundamentals of Systems...

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