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Commit 239728fc authored by Neil Gershenfeld's avatar Neil Gershenfeld
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<div style="font-size: 120%; margin-left: 2.5%;">
<pre><font face="bitstream vera sans,arial,helvetica,sans-serif">
<b><a href=dis/index.html>System disintegration</a></b>
<b><a href=dis/index.html>system disintegration</a></b>
<b>Failure modes</b>
<b>failure modes</b>
<i>mechanical</i>
loads beyond the elastic limit
cracking at stress concentration, fillets
fasteners loosening, vibration, thread locks
stripped threads
misalignment, binding, flexures
dynamic instability (Tacome narrows)
dynamic instability (Tacoma narrows)
<i>wiring</i>
ripping up PCB traces
pulling wires out of connectors, strain relief
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MOSFET over-voltage, current, temperature
inductive flyback, reverse protection diodes
regulator reverse polarity
processor over-voltage, pin current source, sink
processor over-voltage, GPIO current source, sink
EMI shielding
<i>power</i>
budget, supply compliance
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variable scope
race conditions
object, module interfaces
dependencies (SSH)
<i>scaling</i>
O(?)
phase transitions in complexity
<i>manufacturing</i>
supply chains
pandemic car factories
supply chains (pandemic car factories)
capacity
<i>collaboration</i>
data interchange (Mars)
units (Mars)
dependencies (SSH)
<i>fail fast</i>
(SpaceX)
feed-forward vs feedback development
<b>Packaging</b>
<b>packaging</b>
PCB mounting
mechanism alignment
fasteners, standoffs, flexures
wire routing, cable management, flex interconnect
surface finish
<b>Design</b>
<b>design</b>
PCs vs Macs
<i><a href=Jan.pdf>UX, user experience</a></i>
<i>DFM (Design for Manufacturing)</i>
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production
operation
<b>Testing</b>
<b>testing</b>
Quality Assurance (QA)
Quality Control (QC)
burn-in
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environmental
fuzzing
<b>Lifecycle</b>
<b>lifecycle</b>
<a href=https://pirg.org/campaigns/right-to-repair>(right to) repair</a>
disassembly, reuse, recycling
<a href=https://environment.ec.europa.eu/topics/waste-and-recycling/end-life-vehicles_en>end of life</a>
<b>Assignment</b>
<b><a href=https://archive.fabacademy.org/archives/2016/fablabtorino/students/440/project/project.html>assignment</a></b>
Design and document the system integration for your final project
<b><a href=https://fab.cba.mit.edu/classes/863.21/CBA/people/lingdong/site/16-output-device.html>assignment</a></b>
<i>individual assignment:</i>
add an output device to a microcontroller board you've designed,
and program it to do something
<i>group assignment:</i>
measure the power consumption of an output device
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