CAMCube Interim Review 1CAMCube Interim Review 1

Sam BakerSam BakerTom FreestoneTom FreestoneBrian MadgeBrian MadgeSteve PfauSteve Pfau

Brian Roberts Brian Roberts Jennifer UchidaJennifer Uchida

OverviewOverview Resolved IssuesResolved Issues

Reaction WheelReaction Wheel SoftwareSoftware Electrical SchematicsElectrical Schematics

Design SummaryDesign Summary Current IssuesCurrent Issues

BatteryBattery Rate GyroRate Gyro Reaction Wheel DesignReaction Wheel Design

Schedule ProgressSchedule Progress Budget ProgressBudget Progress

Resolved IssuesResolved Issues

Issue:Issue: Reaction wheel Reaction wheel

size/material questionablesize/material questionable No electronics schematicsNo electronics schematics

Resolution:Resolution: Reaction Wheel will be Reaction Wheel will be

made out of brassmade out of brass Schematics made Schematics made

Resolved IssuesResolved Issues

Issue:Issue: Concern about softwareConcern about software

Resolution:Resolution: Wrote and tested Wrote and tested

software with LabViewsoftware with LabView

Design SummaryDesign Summary

Changes:Changes:

1.1.

2.2.

3.3.

Current IssuesCurrent Issues BatteriesBatteries

Ordering process taking longer than expectedOrdering process taking longer than expected Possible free battery/charger from Eagle Possible free battery/charger from Eagle

PitcherPitcher

Rate Gyro NoiseRate Gyro Noise Static testsStatic tests

Rate Gyro Static Test 1Rate Gyro Static Test 1

Rate Gyro Static Test 2Rate Gyro Static Test 2

Current IssuesCurrent Issues

Reaction WheelReaction Wheel Issue:Issue: Press fit onto motor shaft Press fit onto motor shaft

Resolution:Resolution: Slip fit Slip fit Hi Sol 9460 Epoxy “Rhino Snot” Hi Sol 9460 Epoxy “Rhino Snot”

Issue:Issue: Reaction wheel volume problems Reaction wheel volume problems (multi-axis integration)(multi-axis integration) Resolution:Resolution: Hallowed out shell Hallowed out shell Resolution:Resolution: Having the motors mounted in the Having the motors mounted in the

center rather then the sidescenter rather then the sides

Budget ProgressBudget ProgressCamCube Financial Spread Sheet

System Item Company Est Price Actual Price

Att Control 1.5-3 V DC Motor Radio Shack $4.00 $1.99Structures 5052 H32 Aluminum $15.00 $9.04

Testing 3-Axis Gimbal Small Pts Cat $30.00 $27.95Att Determ Rate Gyros/Eval Boards Future Active Cat $350.00 $294.00Att Determ Rate Gyros/Eval Boards Analog Devices $0.00

Final Report Binding Report Kinko's $14.97Att Control A/D converter Future Active Cat $150.00 $93.00Att Control Motors/Motion Controller Micro Mo Elect $500.00 $212.10Structures Bearing/Al Stock/Brass McMaster $40.00 $36.93Structures Chucking Reamer McMaster $10.00 $10.96Electronics Static Mat $40.00 $36.40Att Control Desktop/Laptop Space Grant $800.00 $0.00

Electronics Batteries Eagle Pitcher $300.00Att Control Motors/Motion Controller Micro Mo Elect $200.00

Difference

$2,439.00 $737.34 $1,701.66

Total

ConclusionConclusion Resolved IssuesResolved Issues

Reaction WheelReaction Wheel SoftwareSoftware Electrical SchematicsElectrical Schematics

Design SummaryDesign Summary Current IssuesCurrent Issues

BatteryBattery Rate GyroRate Gyro Reaction Wheel DesignReaction Wheel Design

Schedule ProgressSchedule Progress Budget ProgressBudget Progress

QuestionsQuestions