Team Space JamLaunch Readiness Review

Paul Guerrie, Ben Azlein, Megan Scheele, Bridget Chase, Shane Meikle, Taylor King, &

Jamie Usherwood

November 2, 2010

Fall 2010 R

ev D

11-30-10

Mission Overview

• The main mission of Project Monstar shall be to build a satellite that ascends to an altitude of 30km following the RFP. Project Monstar will test the use of a servo as a means of rotating a camera in the y plane, while the balloonsat naturally rotates in the x plane.

• The secondary mission of Project Monstar shall be to take pictures 360 degrees, to prove the use of the mechanical system. Project Monstar shall also record attitude of the camera with the use of a digital compass. It will also measure internal humidity, internal and external temperature of the balloonsat.

Hypothesis• We hypothesize that our mechanical system will operate by fully

rotating 360 degrees in the y plane, as the balloonsat ascends to a height of 30 kilometers. We believe that the ability to make a panoramic picture will prove the successful use of our design.

Design Overview

Design Overview

Digital Compass – The digital compass took readings off the balloonsat’s attitude throughout the entirety of the flight.

HOBO – The hobo took readings of internal and external temperature and internal humidity.

Tilt Servo – The servo tilted the camera back and forth on a vertical axis to take measurements on that entire plane.

Camera – Our camera was designed to take HD video instead of pictures for a portion of a flight so we could take stills of the video to form a panoramic picture.

Changes From Proposal

• Removed solar panels• Removed Barometer• Added 16 GB of memory to camera• Camera was mounted with metal bracket

instead of rods.• Increased width by 3 cm• Only used one servo instead of two

Functional Block Diagram•2 AA Batteries •Switch 1 •Camera •16 GB

Memory•3 9V Batteries •Switch 2 •Heate

r

• Batteries (18V)

•Switch 3

•Arduino Pro

•Servos

•Digital Compass

•HOBO

•External Temp

•Internal Temp

•Humidity

Results and Analysis

• The few components of our balloonsat that actually functioned properly were the HOBO and the digital compass

• The HOBO accurately recorded the internal and external temperatures and internal humidity (Even though temperatures weren’t what we wanted)

• The digital compass correctly took recordings of the current heading of the balloonsat during flight.

Internal Temp.

External Temp.

Humidity

Digital Compass Data• Current heading: 170.7 degrees• Current heading: 17.4 degrees• Current heading: 2.7 degrees• Current heading: 2.6 degrees• Current heading: 0.0 degrees• Current heading: 322.5 degrees• Current heading: 246.8 degrees• Current heading: 304.4 degrees• Current heading: 0.0 degrees• Current heading: 13.0 degrees• Current heading: 12.7 degrees• Current heading: 12.9 degrees• Current heading: 2.6 degrees• Current heading: 40.6 degrees• Current heading: 0.6 degrees• Current heading: 268.4 degrees• Current heading: 327.1 degrees• Current heading: 24.7 degrees• Current heading: 1.7 degrees• Current heading: 2.2 degrees• Current heading: 1.6 degrees• Current heading: 25.4 degrees• Current heading: 44.5 degrees• Current heading: 86.4 degrees• Current heading: 17.6 degrees• Current heading: 35.5 degrees

• Current heading: 63.7 degrees• Current heading: 0.0 degrees• Current heading: 0.2 degrees• Current heading: 0.4 degrees• Current heading: 225.8 degrees• Current heading: 76.0 degrees• Current heading: 185.3 degrees• Current heading: 282.1 degrees• Current heading: 310.5 degrees• Current heading: 259.4 degrees• Current heading: 276.0 degrees• Current heading: 185.9 degrees• Current heading: 172.6 degrees• Current heading: 131.8 degrees• Current heading: 130.8 degrees• Current heading: 103.6 degrees• Current heading: 259.0 degrees• Current heading: 82.0 degrees• Current heading: 118.2 degrees• Current heading: 105.9 degrees• Current heading: 0.1 degrees• Current heading: 2.3 degrees• Current heading: 130.9 degrees• Current heading: 81.6 degrees• Current heading: 0.0 degrees• Current heading: 170.7 degrees

• Current heading: 17.6 degrees• Current heading: 2.7 degrees• Current heading: 2.6 degrees• Current heading: 0.0 degrees• Current heading: 322.5 degrees• Current heading: 81.7 degrees• Current heading: 309.6 degrees• Current heading: 0.0 degrees• Current heading: 13.0 degrees• Current heading: 12.7 degrees• Current heading: 12.9 degrees• Current heading: 2.6 degrees• Current heading: 40.6 degrees• Current heading: 0.6 degrees• Current heading: 268.4 degrees• Current heading: 43.4 degrees• Current heading: 24.7 degrees• Current heading: 1.6 degrees• Current heading: 2.2 degrees• Current heading: 1.6 degrees• Current heading: 25.2 degrees• Current heading: 44.1 degrees• Current heading: 86.6 degrees

Failure Analysis

• Camera failure: upon review, the camera had no videos and when the card loaded into the computer, only one partition appeared (opposed to two)

-possible reformatting of the card due to cold

-possible that the card didn’t run it’s intended program due to cold• Servo was stopped on landing most likely

due to cold during the flight

Conclusion

• Start heater sooner• Preform more preflight testing that could

simulate real world conditions– Camera programming– Better initial temperature conditions

• Improve insulation and temperature control

Requirements Flow Down

Level One Requirements

Subsystem Requirements

Mass and Cost SummaryItem Mass

(g)HOBO 30

Canon A570IS Digital Camera 200

Heater System with Batteries 145

Servo Motor 40

Digital Compass 5

Switches 10 (each) 30 (total)

Structure Weight 50

Micro Controller 1 8

Micro Controller 2 7

Metal Bracket and Bolts 100

Batteries for Micro Controllers 90

Flight Tube 20

Wires 11

Total ~736

Item Quantity (Original)

Price (Original)

Company (Original)

Quantity (Final)

Price (Final)

Company (Final)

Camera 1 Provided Provided 1 Provided Provided

HOBO 1 Provided Provided 1 Provided Provided

2 GB Memory Card 1 Provided Provided N/A N/A N/A

16 GB Memory Card

N/A N/A N/A 1 Donated Professor Koehler

Heater 1 Provided Provided 1 Provided Provided

Batteries 10 Bought by team

Bought by team

10 Bought by team

Bought by team

Foam Core (140mm x 140mm x 10mm)

1 Sheet Provided Provided 1 Sheet Provided Provided

Solar Panels 6 $2.65 (each)$15.90 (total)

Silicon Solar

12 (not needed, donated to Space Grant

$31.80 Silicon Solar

Servo Motor(s) 2 Donated ITLL Shop 1 $25 SparkFun

Switches 3 $4 (each) Radio Shack

3 Donated ITLL Shop

Digital Compass 1 $150 SparkFun 1 $150 SparkFun

Barometer 1 $40 SparkFun N/A N/A N/A

Styrofoam Recycled Recycled N/A N/A N/A

Aluminum Tape Provided Provided Provided Provided

Insulation Provided Provided Provided Provided

Micro Controllers N/A N/A N/A 2 $29.95 & $19.95$49.87 (total)

SparkFun

Metal Bracket N/A N/A N/A 1 Donated Mr. Azlein

Total $236.80 $256.67

Lessons Learned

• We would have improved our design to make it more temperature effective so our components wouldn’t have failed.

• In order to obtain different results, we could have done a better job of insulating the balloonsat, and we could have taken better prior preparations to make our satellite work correctly.

Ready to Fly Again

• Our balloonsat should be stored in a room at a relatively warm temperature and average atmospheric pressure, right side up.

• Activation:1. Turn heater and camera on prior to flight

anticipate the extreme temperatures.

2. Test servo motor prior to launch to ensure proper connection and functionality.

Message to Next Semester

• Be vocal within the group.• Teamwork is essential to success.• Compromise is an important part of

teamwork.• It’s great to have fun, but it is a serious

class.• Be creative.

Questions??