Robertson.brent

Lessons Learned during Development of the Solar Dynamics Observatory Brent Robertson NASA Goddard Space Flight Center MMS Deputy Project Manager Previously, SDO Observatory Manager

SDO Lessons Learned ,[object Object],[object Object],[object Object],[object Object],[object Object]

SDO Mission/Project Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SDO Investigations ,[object Object],[object Object],EUV Variability Experiment (EVE, University of Colorado, Laboratory for Atmospheric and Space Physics): EVE will specify the spectral irradiance with a sensitivity that allows us to gauge the energy input into the complex processes of the Earth's atmosphere and near-Earth space. Its temporal resolution will allow us, for the first time, to understand the flare-induced impacts on these processes. Atmospheric Imaging Assembly (AIA, Lockheed-Martin Solar and Astrophysical Laboratory): AIA will capture the initiation and progression of dynamic processes, with the spatial resolution necessary to understand their connection to the magnetic field and the spectral coverage to infer the processes at multiple temperatures.

SDO images of the Sun in 10X HD resolution

Solar Prominence Eruption captured by SDO

SDO Project Milestones Legend: Progress Bar Schedule Reserve CY 2003 Q1 Q2 Q3 Q4 CY 2004 CY 2005 CY 2006 CY 2007 CY 2008 CY 2009 CY 2002 Q1 Q2 Q3 Q4 CY 2001 Q1 Q2 Q3 Q4 ‘ 00 Q4 Ops (5 Yrs) LAUNCH Launch As of: Feb. 11, 2010 Original Date Original Date SU=Stanford University LMSAL= Lockheed Martin Solar Astrophysics Laboratory LASP= Laboratory For Atmospheric and Space Physics MISSION MILESTONES Implementation Formulation ICR PDR 6/04 CR CDR 4/05 PSR 6/09 9/03 2/10 PER 3/08 3/04 INST. DEVELOPMENT S/C DEVELOPMENT & INTEGRATION OBSERVATORY TEST GROUND SYSTEMS DEVELOPMENT LAUNCH VEHICLE DEVELOPMENT @ KSC Inst. Selections AO Rel 1/02 8/02 Ship 12/07 Build/Test S/C Bus Studies Obs Test 2/10 LV Development/Integration Ship AO Process 7/09 9/07 Procure/Develop/Test (36 mo.s) Concepts/Design/Long Lead Concepts/Design/Long Lead In-House ATP Phase A Phase B Build Comp.s 7/09 Phase C/D 8/06 Procure Procure Procure 5/05 GS CDR GS MOR 10/07 FORR GS TRR 6/14/06 9/02 Award Contracts Concepts/Design SRR/ SCR 4/03 Code M ATP & Issue RFO L.V. Selection L-30 month funding profile 2/06 7/04 Start Implementation LRR 2/10 PCA MILESTONES Build/Test Ship Concepts/Design/Long Lead Procure Build/Test Concepts/Design/Long Lead Procure AIA - LMSAL HMI - SU EVE - LASP Ship 11/07 9/07 CDR CDR CDR Instrument Integration PER PER Start I&T Commissioning PER Pre-Form LRD 12/08 LV Delay due to Atlas Manifest Issues LV Delay ‘ 10 Q1 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4

SDO PR / PFR Process ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SDO PFR History (1/2) ,[object Object],[object Object],[object Object],[object Object],[object Object]

SDO PFR History (2/2) ,[object Object],[object Object],[object Object]

PFR Defect Cause ,[object Object],[object Object],[object Object],[object Object]

Subsystem PFRs ,[object Object],[object Object],[object Object],[object Object],[object Object]

SDO Project Issues ,[object Object],[object Object],[object Object],[object Object],[object Object]

High Cost Technical Issues ,[object Object],[object Object],[object Object],[object Object],[object Object]

Why did these Costly Issues Occur? (1/2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why did these Costly Issues Occur? (2/2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SDO On-Orbit Performance: A Measure of Success ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],SDO On-Orbit Anomalies through Dec 3, 2010 (All Low Severity) SDO-0001: (ground system antenna) SDO1 Man HPA Faults SDO-0002: TSM 282 Failed on Threshold 3 Prior to Separation SDO-0003: Oscillations Within Spacecraft Attitude in Inertial Mode SDO-0004: RTSs in RAM not Checksummed SDO-0005: AMF2 Burn Aborted - Fuel Slosh SDO-0006: AIA Unable to Jam Instrument Clock SDO-0007: ST2 Low Data Quality Flag SDO-0008: Adjusted PSEB Battery State of Charge calculation onboard SDO-0009: (ground system antenna) SDO1 S-Band Tracking Receivers Bad SDO-0010: EVE MEGS-B channel degradation

Looking Back: SDO Strengths (1/2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Looking Back: SDO Strengths (2/2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Looking Back: SDO Technical Lessons Learned (1/2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Looking Back: SDO Technical Lessons Learned (2/2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Looking Back: Programmatic SDO Lessons Learned ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],SDO Launch, Feb11, 2010

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Robertson.brent

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