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E S E N T E D B Y
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Sandia Nationamultimission labooperated by Nat
Engineering Solutiwholly owned sub
International Department of
Nuclear Security Acontract D
andia – Integrated Sensor Network
ad ine -Mar ie Be l l Academic Adv i sor : Dr. Warner
iche l le Chastang
akeem Thomas
tephen Young
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Problem Definition Long- term goal:
● Design an integrated sensor device using a microprocessor to sense environment conditions without supplemental power and size constraint
2018- 2019 academic year goal:
● Design an integrated sensor device using a microprocessor to sense environment conditions.
Problem Statement:
● Design, build, and test a fully integrated sensing device, report and presall results to the Sandia mentors. The device is required to sense the environments in the SANDIA team's summary document.
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sign quirements
ed Problem Definition in tification:
customer needs a small, size-fic device that’s energy ent. It operates on low power esponds to its environment necessary. It will sense and
de data on the different onments that SANDIA’s devices e deployed (these are fied by SANDIA)
ormance Requirements:
ide data from sensors for each onment.
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gh-level hematic
00 mAh powerbank.
Edison.
or array of 10 sensors.
diation circuit with odiode.
4
Digital IO
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ution Design chanical Envelope)
mpartment for power bank.
nings for air to flow through.
ximity sensors on both sides.
5
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ow of data
Firebase
http://huseniordesignsandia.x10host
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Website
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Agile Summaries
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gile Summaries (cont'd)
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Sensor Sampling
Click to add text
Two methods of samplingMethod varies based on environment behavior
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onfiguring ertial Wake-p Registers
Threshold was set out ofrange of “normal” data.
Enabled data in all directions
Used OR operations to triggere generated output
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ght radiation rcuitAmp Gain of 7503V input with Noise FIlter
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Design Implementation and Testing
13
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inted Circuit oard
Mounts as Daughter Card to Intel Edison
Supporting headers to routesensor readings to uC
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15
Merging ensors
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Power Consumption
evice being awoken from w power mode
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ully Integrated Design
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Setbacks
Errors with PCB routing causd signal degradation
Loss of sensor communication resulted in a loss of 4 environment readings
Late arrival of parts affected our timeline.
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Conclusion
19
uccessfully design a final solution.
CB design hindered us from utilizing the mems ccelerometer.
alidation of data are going to be confirmed/denied by echanical engineering students.
earned the importance of time management, task elegation, and risk management.
roject Cycle(Start to finish)
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E S E N T E D B Y
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Sandia Nationamultimission labooperated by Nat
Engineering Solutiwholly owned sub
International Department of
Nuclear Security Acontract D
Questions?