Transcript Team_05_CoDR

Team Garlic Armageddon
BioSat Project
Conceptual Design Review
Lauren Persons, Ryder Whitmire, Lenny
Komow, Kirstyn Johnson, Jon Pfohl,
Dave Borncamp
9/22/09
Mission Overview
What: To send bacteria to near space and
analyze the effects to which the growth rate
is affected by the atmospheric conditions
Why: To discover how and why the bacteria
react as they do, and to what extent they are
able to recover from the change in climate
How: Bacteria will be sent into near space with
a Geiger counter and will be compared to a
control group kept on the ground
Design
Parts:
Geiger Counter
Two petri dishes with bacteria
Two temperature sensors
AVR Microcontroller board
and batteries
Experimental Procedure
Will cultivate three plates of bacteria:
1) will be a control
2) will be exposed to radiation of upper
atmosphere
3) the last will be exposed to radiation and
atmospheric temperature
Will test the amount of viable bacteria present before and
after launch, compare quantitatively to control plate of
bacteria
Functional Block Diagram
Power
(Batteries)
Heater
Switch 1
Camera
Timing Circuit
Power
(Batteries)
Switch 3
AVR Controller
Petri Temp Sensor 1
Petri Temp Sensor 2
Geiger Counter
Internal Temperature
Switch
HOBO datalogger
Humidity
External Temperature
Management
Kirstyn Johnson: Will manage the
overall progress of the mission,
delegate responsibilities, and
enforce schedule deadlines.
Kirstyn Johnson
Project Lead
Ryder Whitmire: Will oversee the
integration of individual systems into
the finished satellite and the testing of
the systems.
Ryder Whitmire
Systems Lead
Leonard Komow
Programming
Lead
Leonard Komow: Will oversee the
programming of the AVR microcontroller,
camera, and if necessary Geiger counter.
Also in charge of drawing up the mission
schedule and all schedule revisions.
David Borncamp: Will create the
computer design and machine the
physical satellite. Has experience in
machining parts, designing in
SolidWorks, and circuits.
David
Borncamp
Structural Lead
Jonathan Pfohl
Scientific Lead
Lauren Persons
Electrical Lead
Lauren Persons: Will be in charge of
any electrical construction and/or
repairs throughout the build. Minor
experience in SolidWorks and C++.
Jonathan Pfohl: Will manage the design
and construction of the scientific mission,
the collection and analysis of data, and
will also manage the budget, including
procurement of necessary supplies.
Schedule
Date
9/22/09
9/29/09
10/1/09
10/6/09
10/15/09
10/22/09
10/27/09
10/29/09
10/31/09
11/3/09
11/5/09
11/6/09
11/7/09
11/8/09
12/1/09
12/5/09
12/8/09
Tasks
Conceptual Design Review
Prototyping design complete
Authority t o Proceed and Hardware Orderin g
Design complete
Order or acquire all hardware
Completion of Vacuum Test
Design Document Revisions A/B
Critical Design Review
Testing final struct ure Complete
Cold test
Completion of Geige r counter / Radiation Test
Completion of Boar d and Sensors Test
Software Test
In Class Mission Simulation Test
Grow cultures bot h as control and for flight
Design Document Revision C
Launch Readiness Review
Pre-launch Testing of Bacteria Completed
BalloonSat Weigh -in and Tur n in
Launch Day
Post-launch Testing o f Bacteria Completed
Design Document Revision D
Final Presentation
Design Expo
BalloonSat Hardware T urn In
Budget
Material/Device
Cost ($)
Source
Geiger Counter
150 (possible donation)
Imagesco.com
Polyolefin Film
Donated
EuroPac Inc.
Petri Dishes
Donated
MCDB
Bacteria
9.20
Carolina.com
2 Temp. Sensors
<10
eBay
Nutrient Agar
Donated
MCDB
Dry Ice
<10
King Soopers
Batteries
<10
King Soopers
Total
$189.20
Total (with all donations)
$39.20
Weight Budget
Component
Weight (g)
Geiger Counter
102
Two Petri Dishes + Agar
≈45
Geiger Battery
≈40
Structure
≈25
Total
212 g
Potential Difficulties
Avoiding infection by bacteria
Preventing bacterial death
Quantifying bacterial growth
Effects of a vacuum on nutrient agar
e.g. outgassing and phase changes