MicroMeteoroid and Orbital Debris Detection
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MICROMETEOROID AND ORBITAL DEBRIS DETECTION Client Alan Cassell at NASA AMES Faculty Advisor Jay McCormack Mentor Greg Swanson Team Members Matt Arnone, Nick Harris, Matt Hinkelman, Jay Hirata, Matt Mihelish, Alex Swanson
description
Client Alan Cassell at NASA AMES Faculty Advisor Jay McCormack Mentor Greg Swanson Team Members Matt Arnone, Nick Harris, Matt Hinkelman , Jay Hirata, Matt Mihelish , Alex Swanson. MicroMeteoroid and Orbital Debris Detection. Project Description. - PowerPoint PPT Presentation
Transcript of MicroMeteoroid and Orbital Debris Detection
MICROMETEOROID AND ORBITAL
DEBRIS DETECTION
ClientAlan Cassell at NASA AMES
Faculty AdvisorJay McCormack
MentorGreg Swanson
Team MembersMatt Arnone, Nick Harris, Matt Hinkelman, Jay Hirata, Matt Mihelish, Alex Swanson
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Broken Space Shuttle Endeavor tile
•Electronic Hit Indicator (EHI) testing•Micro Meteoroid and Orbital Debris (MMOD) impact testing•Test fixture•High speed data acquisition•Graphical User Interface (GUI)•Finite Element Analysis (FEA) simulation
Orion Space Capsule
Project Description
Photo from NASA.gov
Photo from NASA.govColumbia 2003
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EHI Sensor
Current takes the path of least resistance
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Potential Integration Points - Forebody TPS - Backshell TPS - Service Module Extension
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Specifications and Deliverables Test Fixture
Hold and EHI at a specified distance from the material being tested
Support for testing different configurations of thermal protection systems and EHI’s
Easily and quickly mount to the 17 caliber gun at the White Sands Test Facility
Hardware High speed (> 1MHz) 128 trace sensor size Plug and play
Software Display impact data
in a meaningful way Save data for future
analysis
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Test Fixture Design
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Test Fixture Design Cont.
Aluminum Collars
Electronic Hit Indicators (EHI)
Steel Back Plate
Thermal Protection System (TPS)
Sheet Metal Backing
Steel Support Rods
Aluminum Clamping Plates
Service Module Extension
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Service Module Extension
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Finite Element Analysis: Impact Simulation
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To achieve the velocity necessary to simulate an MMOD impact, a 17 caliber 2-stage light gas gun is used. With this gun, the projectile is capable of reaching a velocity of 7 km/s using a 3.4 mm projectile.
Test Layout
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Data Acquisition System
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Design Choices Processing
FPGAMicrocontroller
GUIWeb BasedWindows/Linux
Data StorageOn-BoardStreaming
Data TransferUSBRS-232Ethernet
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Design Process
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Simulation
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The Board
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Software
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Final Product
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Results
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Results Cont.
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Results Cont.
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Lessons Learned Carbon fiber process PCB layout can be difficult The EHI sensor is a promising and
viable technology
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