ENG 203_9D

ENG 203_9D - ENG 203:SYSTEM ARCHITECTURE System Engineering...

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ENG 203:SYSTEM ARCHITECTURE 01/20/12 1 System Engineering in an Acquisition Context John M. Borky 2009 - all rights reserved Engineering 203 System Architecture Dr. Mike Borky mborky@aol.com (Cell) 505 453-0496 © John M. Borky 2009 – all rights reserved
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ENG 203:SYSTEM ARCHITECTURE 01/20/12 2 Session 9 – Reference Architectures, Frameworks and Executables Lectures: 9A – Reference Architectures 9B – Building RAs 9C – Frameworks and Product Lines 9D – Physical and Virtual Prototyping John M. Borky 2009 - all rights reserved
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ENG 203:SYSTEM ARCHITECTURE 01/20/12 3 Lecture 9D – Using Physical Prototypes and Simulations in Architecture Development John M. Borky 2009 - all rights reserved
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ENG 203:SYSTEM ARCHITECTURE 01/20/12 4 The Role of Prototyping John M. Borky 2009 - all rights reserved System Prototype System Build Integration Capabilities Database Operational View Logical View Physical View Validate the architecture before the risk and expense of implementation Find design errors, improper operating conditions, and other problems as early as possible Support affordable exploration design excursions (“what ifs”) Support early and continuing customer interaction to ensure the design meets needs and expectations Get an early start on integration and test Physical Prototype – combine real and emulated hardware and software Virtual Prototype – modeling and simulation at various levels Calibrates Extends
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ENG 203:SYSTEM ARCHITECTURE 01/20/12 5 System Integration Lab (SIL) John M. Borky 2009 - all rights reserved Facility for incrementally building up and experimenting with the physical system Often uses an evolving mixture of real, substituted and emulated system resources based on availability Requires adequate instrumentation: Internal – hardware monitoring, software diagnostics, etc. External – environment and external equipment simulators/stimulators Complex systems may use a hierarchy of SILs from suppliers up to the primary system facility Typical Resources: Spread Bench for access to mission equipment Racks and equipment Software development, SIL control, simulation, analysis and data management computers Buses and other interconnects Workstations and displays
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ENG 203:SYSTEM ARCHITECTURE 01/20/12 6 Physical Prototyping Considerations John M. Borky 2009 - all rights reserved Provide for “system builds” for major design increments or spirals and smaller, less formal and more frequent “development builds”
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ENG 203_9D - ENG 203:SYSTEM ARCHITECTURE System Engineering...

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