aLec36_SystemsEngineering

aLec36_SystemsEngineering - Introduction to Embedded...

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Introduction to Embedded Microcomputer Systems Lecture 36.1 Jonathan W. Valvano Overview Interfaces Manufacturing Power Systems Engineering Holistic Finance Customer needs Lifecycle Interdisciplinary Project management Manage complexity Evolution Safety Reliability Redundancy http://en.wikipedia.org/wiki/Systems_engineering Important issues Requirements Manufacturability Maintainability Packaging Power Interfaces Testing Specifications (what the system must do) Bandwidth, latency Accuracy (difference between measured and truth) Resolution (smallest change that can be detected) Repeatability (standard deviation of multiple observations) same operator, conditions, day, machine Reproducibility (standard deviation of multiple observations) different operator, conditions, day, machine Constraints (what the system must not do) Power, size, weight Must not stop running for within 24 hours on +9V Must not be bigger than 5 by 3 by 1 inch Must not weight more than 1 lbs software development costs, Must not cost more than $100,000 memory available, Must not need more than 2 KiB RAM or 32 KiB ROM time-table.
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This note was uploaded on 09/19/2010 for the course E E 16280 taught by Professor Valvano during the Fall '10 term at University of Texas at Austin.

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aLec36_SystemsEngineering - Introduction to Embedded...

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