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Integration and Test Organization Chart

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Presentation on theme: "Integration and Test Organization Chart"— Presentation transcript:

1 Integration and Test Organization Chart
I&T Manager Elliott Bloom WBS 4.1.9 I&T Engineer B. Grist WBS Reliability & QA D. Marsh WBS Instrument Operations Coordinator S. Williams Mechanical Ground Support Equipment TBD Online Manager R. Claus Integration, Facilities, Configuration, and Test L. Wai Particle Test Manager G. Godfrey Environmental Test Manager M. Lovellette Science Verification, Analysis, and Calibration E. do Couto e Silva I&T Preparation EM1 Model I&T Calibration Unit I&T Flight LAT I&T Mission I&T Support I&T Preparation EM1 Model I&T Calibration Unit I&T Flight LAT I&T Mission I&T Support I&T Preparation Flight LAT I&T Mission I&T Support I&T Preparation EM1 Model I&T Calibration Unit I&T Flight LAT I&T Mission I&T Support

2 Function of Environmental Test
Demonstrate the the LAT meets all environmental requirements Electromagnetic Compatibility Structure: “modes” & “loads” Thermal limits Workmanship Exact test requirements/ implementation is TBD Do not over test

3 ENVIRONMENTAL TEST FLOW
• Before shipment to NRL there will be combined preship and environmental test readiness review • Functional test required before and after each environmental test • Inspection of instrument will be performed before and after each test RECEIVING INSPECTION EMI/EMC EMI TRR MODAL SURVEY VIBE/ ACOUSTIC VIBE TRR TBAL/TVAC POST TEST INSPECTION TVAC TRR PRE SHIP REVIEW TRR = Test Readiness Review

4 EMI/EMC TESTING Test to: GSFC 433-RQMT-0005
Demonstrates that adequate margin exists between susceptibility and noise levels Ensure compatibility of LAT with other SV systems Ensure compatibility of other SV system with LAT Principal test areas Radiated Emissions Conducted Emission Radiated Susceptibility Conducted Susceptibility Magnetic survey if required Baseline test facility Naval Center for Space Technology - 2 Anechoic chambers Typical test duration 3-5 days

5 MODAL SURVEY Verifies dynamic characteristics of structure Issue:
With the deletion of the qual. grid we expect the requirement for a fixed base modal survey Not determined at this point if this will be done on the grid with mass simulators or on the integrated LAT Late in the program if there is a problem Modes could also be verified with a base driven shake Fixed base modal survey can be done at NRL Expected duration one week

6 Random vibration/acoustic
Verifies workmanship Verifies structural integrity Verifies modes Can be performed by random vibration testing, acoustic, or vibroacoustic testing Typical test duration days

7 Thermal Balance Testing
Verifies thermal model Verifies ability to operate in vacuum and at upper and lower temperature limits Test should be performed in as close to flight configuration as possible Thermal blankets Heat pipes Radiators Facility inputs: heaters/ solar simulators/ cold plates Thermal model is verified for cold case and hot case Functional tests performed after cold soak and during hot plateau Possibly performed after integration with SV

8 Thermal Cycling Verification of workmanship
Plan is for four total cycles at integrated LAT level Thermal balance counts as one Duration of cycles TBD Comprehensive performance testing to be performed at each plateau Functional testing will be performed throughout TVAC except when the instrument must be off for cooling ramps/soaks TBAL Hot Close door & Functional test TBAL Cold ~28 days

9 QA / MA Support GSE verification Preship review and verification
Mechanical GSE document verification Shipping containers Transportation dolly Test fixtures Lifting fixtures Cooling cart (if required) Electrical GSE document verification Computer system Ground power system Test harnesses Breakout boxes Preship review and verification Dispensation of open problem/non conformance reports and their impact on further testing

10 QA/MA - con’t Receiving inspection at NRL
Verification of cleanliness, temperature, humidity controls and ESD Test facilities verification Review test plans and procedures Test support and verification of test results Preparation of work orders, anomaly and anomaly resolution reports Inspection of hardware prior to and after test Preparation and management of test logs and status reporting Test conductors log Event logbook Anomaly reports Configuration status Mate/demate logs, etc.

11 Schedule FY02: FY03 FY04 FY05 FY06 PDR Test requirements definition
CDR Preliminary test plans & resource identification FY03 Finalize test plans Finalize resource identification / allocation FY04 Finalize test procedures Begin environmental testing FY05 Complete environmental testing Prepare test reports, close all anomalies Support observatory level environmental testing FY06 Support LEO

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