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