Lecture 8 - Making Lecture 8 Preview What is it that drives...

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M aking Things Precision, Accuracy, and Robustness Engineering 100 J. Daida Lecture 8 Standard Disclaimer: These lecture notes are provided as a SERVICE to you to help you study for this class. At no time are we obligated to provide notes for every lecture. Understand that these notes are NOT a replacement for either coming to lecture or for the class readings. Indeed, these notes represent only a PARTIAL SET, which means it's up to you to attend class (or to find someone else's notes) to fill in the SUBSTANTIAL fraction of the lecture that has been left out of these notes. Indeed, these notes may represent only a draft and may be based on last term's lectures (which may or may not be repeated in their entirety for this term.) If it turns out that attendance to the class drops below 80%, we reserve the right to reduce the amount of content in these notes. If it turns out that attendance to the class drops below 80%, we also reserve the right to discontinue the distribution of these notes either before or after lecture. Copyright: © 2006, Jason M Daida. All Rights Reserved. Preview ± Introduction ± What is PAR? ± A Quick Review (Precision and Accuracy) ± Then there’s engineering… – Robustness – Control, Power, and Consequences ± Conclusions What is it that drives us to improve things? Engineering Design in the Real World Engineering… W e… … who have goals …who don’t agree with everything …who recognize that we can’t do it alone … who need things to accomplish those goals …who use hypothetico-deductive methods to consider those things … to communicate accurately and precisely how things work and why some things are better than others …so that things can be made …and improved upon. Involves people Uses dreaming Involves argumentation Involves teamwork Involves technology Involves scientific reasoning Requires abilities to reason and argue in quantitative terms Involves ability to translate ideas into things Seeks to enhance things Introduction ± Common ways engineers seek to enhance things include – Making a thing more precise or more accurate • Example: Manufacture of premium automobiles (like a Mercedes) – Making a thing more rugged • Example: Like a premium watch (like a Rolex®) ± In turn, this can trigger iterations in design Iterative Nature of Design Process 1. Clarify Objectives 2. User Requirements 3.Identify Constraints 4. Establish functions 5. Establish Specifications 6. Generate Alternatives 7. Model / Analyze 8. Test / Evaluate 9. Refine / Optimize 10. Document
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Introduction ± Precision, accuracy, and ruggedness are given a special acronym in this course ± Enduring in all disciplines in engineering ± Characteristic of contemporary challenges What is PAR? ± Precision
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Lecture 8 - Making Lecture 8 Preview What is it that drives...

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