xact sounding rocket alignment
DESCRIPTION
XACT Sounding Rocket Alignment. Raphael Cherney ‘11 Dan Elg ’11 Clay Gimenez ’12 Steven Higgins ‘12. Sounding Rockets. XACT Sounding Rocket. Telemetry and ACS Systems. X-ray Polarimeters , Electronics, & MXS. Black Brant VC. Optical Bench. Terrier Mk70. - PowerPoint PPT PresentationTRANSCRIPT
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XACT SOUNDING ROCKET ALIGNMENT
Raphael Cherney ‘11Dan Elg ’11
Clay Gimenez ’12Steven Higgins ‘12
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Sounding Rockets
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XACT Sounding Rocket
X-ray Concentrators & Star Tracker
Optical Bench
X-ray Polarimeters, Electronics, & MXS
A 1st approximation of complete XACT rocket
Black Brant VC
Terrier Mk70
Telemetry and ACSSystems
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X-Ray Astronomy
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Mirrors
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Requirements Bench separation of 3 meters
Displacement readings of .1 mm accuracy
Angle measurements of .2 arcminutes
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Position Sensitive Photodiode
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Original ConceptLaser
Beam Splitter
Position Sensitive Photodiodes
PSD-A
PSD-B
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Current SetupLaser
Beam Splitter
Position Sensitive Photodiodes
PSD-A
PSD-B
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Basic Geometry
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Electronic System
Position Sensitive
Photodiodes (PSD)
Rectifier Circuit
Differential ADC
±15V analog +5V
PIC
XY
XY
SPI
GUI
Mac/PC
USB
Laser
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Testing Rig
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Calibration Mill with 2-axis
CNC Accurite Controller High accuracy
(.0002”) measurements in two dimensions
Characterize PSD response over entire sensor
Test circuit
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Deliverables Optical Bench Setup
The “smarts” made up of software to calculate displacements and a manual
All pieces built and coded to required tolerances
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Equations
Images courtesy of Google Images and Goddard Space Flight Center (and Dan Elg)