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Day 8 Wednesday July 18, 20070900-1530 Cohort 1 (makeup and extensions) 0900 Announcements (NG/BC)
Cohort 1 Introductions (Cohort #1 Says Hello)0930 Demo of CEENBoT and remote control (Dan Norman)0945 Planning a TekBot Problem (Neal)
Teachers design a TekBot Problem(Given ramps, stopwatches, materials list, etc.)
1000 Robots and WebsitesDemonstration of Robotics-Related Websites (Elliott Ostler)
1030 Break1045 Modern Engineering Constraints (HD)
Manufacturability, Affordability, Reliability, Sustainability, Quality
1115 Engineering Disciplines (HD)Civil, Mechanical, Electrical, Chemical, Industrial, BioX
1130 Visit lab to see Cohort 11200 Lunch1300 Experimenting with your TekBot (Neal)
(Teachers create various navigation exercises)(Focus on navigating mazes, ramp exercises, springs, etc.)
(or individual technical assistance in lab as needed by some teachers)1530 Adjourn (adjourn directly from experimentation exercise)
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SSilicon ilicon PPrairie rairie IInitiative on nitiative on RRobotics in obotics in IInformation nformation TTechnologyechnology
Modern Modern Engineering Engineering ConstraintsConstraints
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Concurrent EngineeringConcurrent Engineering Design teams include others in
addition to engineersManufacturing expertsMarketing and sales professionalsReliability expertsCost accountantsLawyers
Concern with all these areas and their impact on the design is concurrent engineering.
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-ilities-ilities Concurrent engineering demands
consideration of the complete life cycle of the product, process, or project.
Design for: Manufacturability Affordability Reliability Sustainability Quality
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Can this Design Be Made? (DFM)Can this Design Be Made? (DFM) The design of a product has an
ENORMOUS impact on its manufacture.
A basic DFM methodology Estimate the cost for a given alternative Reduce the costs of components Reduce the costs of assembly Consider the effects on other objectives If not acceptable, revise the design REPEAT …
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Design for Assembly (DFA)Design for Assembly (DFA) Limit the number of components Using standard components Use a base component on which
other components can be located
Use components the facilitate retrieval and assembly
Maximize accessibility during manufacturing and maintenance
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AffordabilityAffordability Engineering Economics
The time value of moneyMoney obtained sooner is more
valuable than money obtained later.Money spent sooner is more costly
than money spent later.Design decisions made today will
translate into streams of “financial events” in the future.
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Arthur M. Wellington’s definition of engineering
“the art of doing that well with one dollar which any bungler can do with two.”
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ReliabilityReliability To an engineer: the probability that
an item will perform its function under stated conditions of use and maintenance for a stated measure of a variate.
Incidental failure Catastrophic failure Maintainability
Parts easily accessed and repaired Redundancy
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SustainabilitySustainability One generation’s progress can be the
next’s nightmare. Environmental responsibility is
incorporated directly into the ethical obligations of engineering. Air and water quality Energy consumption Disposal
Life cycle assessment analysis Inventory Impact Improvement
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Design for QualityDesign for Quality All of the –ilities are components of
the design for quality A quality design satisfies all
constraints Fully functional within the performance
specifications Meets the objectives as well or better than
alternative designs All the work of the design process is
directed to design for quality.
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House of QualityHouse of Quality
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Laptop Computer House of Laptop Computer House of QualityQuality