Download presentation
Presentation is loading. Please wait.
Published byKathryn Griffin Modified over 6 years ago
1
SDO Integration and Test (I&T) Subsystem Mission PDR
David Amason SDO Integration and Test (I&T) Manager
2
Agenda SDO I&T Objectives SDO I&T Facilities SDO I&T Flow
Instrument Delivery and Integration Process Overview KSC I&T Flow SRR/SCR I&T RFA Status SDO PDR-Level I&T Peer Review Status I&T Issues and Concerns
3
Objectives of the I&T Program
Verify observatory system-level performance requirements Ensure that all components are operated beyond their “infant mortality” regime prior to launch Demonstrate correct operations of all subsystem/instruments when interconnected as an observatory Identify unexpected interactions among system/subsystem elements Identify failure modes reflecting design weakness and defects in materials, workmanship, and quality control Plan and execute effective and efficient launch operations Gain “test-it-as-you-will-fly-it” mission operations experience and confidence by performing mission simulations with the observatory Conform to Performance Assurance and System Performance Verification Requirements Characterize the operating signature of the system through a combination of calibration and performance tests Verify that the elements of the system can survive the predicted launch and on-orbit environments Verify that all elements of the system are compatible with each other and are capable of performing the required mission function
4
SDO I&T Test Facilities
Propulsion Module Buildup: SCA or SSDIF 10K Cleanroom Propulsion Module Pressure Test: Acoustic Facility (TBR) SDO I&T Area: SCA 10K Cleanroon or SSDIF 10K Cleanroom I&T S/C Control Room: Bldg 7 Rm 158 or Bldg 29 Rm 150/TBD Instrument Module Buildup: SCA or SSDIF EMI/EMC Test Facility: Bldg 7 EMI/EMC Facility (adjacent to SCA) Vibration Test Facility: Bldg 7/10 C-220 Vibration Cell (~Class100K) Acoustic Test Facility: Bldg 10 Acoustic Facility (~Class 100K) Separation Shock Test Facility: Bldg 10 Acoustic Facility S/A and HGA Deployment Test Facility: SCA or SSDIF Thermal Balance / Thermal Vacuum Facility: Bldg 10 SES Chamber Alignment Facility: SCA or SSDIF Mass Properties Facility: SCA or SSDIF
5
SDO I&T Flow (1/4) High Speed Bus (HSB) Data Flow Test Install and
Start: 06/09/06 05 Days High Speed Bus (HSB) Data Flow Test Start: 05/02/06 12 Days Install and Checkout PSE Start: 01/04/06 01 Days S/C Primary Structure Delivered For Start Of S/C I&T Start: 01/05/06 41 Days Install Harness, Heaters, Thermisters, and Thermostats and Checkout Start: 05/18/06 15 Days Install C&DH Start: 07/31/06 IRU Start: 07/10/06 10 Days S-Band Components Start: 06/16/06 ACE Start: 06/30/06 S/C Dataflow Test Start: 07/24/06 Functional Start: 09/19/06 Electrically Integrate Propulsion Module Start: 08/23/06 08 Days S/C Bus Performance and Phasing Tests Start: 08/07/06 07 Days Reaction Wheels Start: 08/16/06 GCE and With GDS Start: 09/05/06 Start: 11/06/06 RF Compatibility Start: 10/25/06 03 Days HGAS Test / Deploy Start: 10/03/06 Phasing Checks (Thruster E-E Test) Pyro & Valves on Load Sim Start: 10/11/06 HGAS (2) Start: 10/30/06 05Days Ka-Band
6
SDO I&T Flow (2/4) Thermal Blanket Installation Observatory CPT #1
Start: 02/09/07 06 Days Thermal Blanket Installation Start: 1/26/07 10 Days Observatory CPT #1 Start: 11/14/06 37 Days Bus I&T Schedule Reserve Start: 1/11/07 Install Instrument Module & Omni Antenna & Star Trackers Start: 02/05/07 04 Days RF Compatibility Test Start: 03/22/07 01 Days Functional Start: 03/07/07 Aliveness Start: 02/20/07 Solar Array Installation & Functional Test & Install CSS’s & Harness Start: 03/06/07 Move To EMI/EMC Facility Start: 03/08/07 Start: 03/30/07 05 Days Sine Vibration Start: 03/28/07 Start: 03/23/07 02 Days Alignment Check Start: 03/27/07 Start: 03/29/07 Load Propulsion Test Fluid Start: 04/18/07 Start: 04/10/07 Start: 04/06/07 Start: 04/09/07 Acoustics Chamber Start: 04/11/07
7
SDO I&T Flow (3/4) Alignment Check Shock Test Install ELV Adaptor
Start: 05/04/07 02 Days Alignment Check Start: 04/26/07 05 Days Shock Test Start: 04/19/07 01 Days Install ELV Adaptor Start: 04/20/07 04 Days Umbilical Electrical I/F Start: 05/03/07 Move To SCA Start: 05/17/07 Thermal Chamber Start: 05/15/07 1 Days Observatory Functional Start: 05/08/07 Ambient Deployment Verification Start: 05/10/07 03 Days Propulsion Leak Test / Purge Start: 05/16/07 Remove Solar Array Assemblies Start: 07/09/07 Start: 05/29/07 CPT #2 Start: 05/18/07 Aliveness Start: 05/19/07 08 Days Vacuum Preparations Start: 06/03/07 34 Days T/V Test (4 Cycles), T/B Test, CPT #3 & #4, Mission Sim. Start: 07/28/07 10 Days CPT #5 Start: 07/13/07 07 Days Flight Batteries And Solar Array and Test Start: 07/10/07 Start: 07/11/07 Start: 07/24/07 Mass Properties
8
SDO I&T Flow (4/4) Observatory Preparations For Shipment Observatory
GSFC - CODE 464 Start: 08/07/07 10 Days Observatory Preparations For Shipment Start: 08/21/07 03 Days Observatory Pre-Ship Review Start: 08/24/07 116 Days Project Schedule Reserve Start: 02/13/08 05 Days Ship Observatory To KSC
9
Instrument Delivery and Integration Process Overview (1/2)
Instrument and IGSE is received at Building Loading Dock Unload Instrument/IGSE and Inspect, Verify IGSE Certification Move Instrument Into Cleanroom, Move IGSE to Outside of Cleanroom Unpack Instrument, Inspect and Setup for Instrument BAT Unpack IGSE, Inspect, Setup, and Validate for Instrument BAT Perform Instrument BAT Instrument Acceptance for S/C Delivery and I&T Instrument Optical Package (OP) delivered to Instrument Module Instrument Electronics Box Delivered to S/C Instrument OP Mechanically Integrated to Instrument Module and Aligned
10
Instrument Delivery and Integration Process Overview (2/2)
Instrument Electronics Mechanically Integrated to S/C IGSE Delivered to SDO I&T Control Room IGSE Setup in SDO I&T Control Room, Integrated with SGSE, and Verified Instrument Electronics Box Electrical Integration with S/C and Functionally Tested Instrument Module Mechanically Integrated with S/C and Aligned Instrument Electrical Integration Instrument Comprehensive Performance Test (CPT)
11
KSC I&T Flow (1/2) MLI Closeouts & Pad/Blockhouse GSE Moved,
Setup, And Checked Out S/C Power-Up and GSE Aliveness Test Move Obs. Into Cleanroom, Inspect, and Setup For I&T Activities Start: 02/20/08 01 Days Observatory Arrives At KSC For Start Of Launch Site I&T Activities Unloaded From Shipping Container And Put On S/C Dolly Charge (And If Required) Recondition Flight Batteries Red/Green Tag Closeouts and Walkdowns Full Obs. Comprehensive Performance Launch Site End-To-End Install Molecular Absorber Final S/C Weight Checks Final Cleaning Fuel GSE Unpacked, Setup, and Inspected GSE Arrives At KSC Encapsulated Loaded Onto Transportation Vehicle Mate To PAF And
12
KSC I&T Flow (2/2) Observatory Transported To Pad Obs. Lifted
And Mated To Launch Vehicle Interface Purges and Battery AC And GSE Connected S/C Umbilicals Connected Pad Aliveness Test Pad RF Aliveness Test Final Charge (And If Required) Recondition Flight Batteries Pad End-To-End Test Final Access Closeouts And Red/Green Tag Walkdowns Arming Plugs Installed Launch Dress Rehearsal Final Battery Top-Off Launch Site Contingency Launch Countdown Start: 04/17/08 01 Days Launch Start: 04/17/08 10 Days Pack-Up And Return GSE To GSFC and Instrument Providers
13
SRR/SCR I&T RFA Status I&T Received Two RFA’s from SRR/SCR
RFA #23 – Closed 1/13/2004 RFA #45 – In Closure RFA #45 – Project should develop a clear plan that assures acceptable verification of each instrument optical and signal chain at the observatory level after observatory environmental testing. Plan Overview: AIA/HMI Instruments at Ambient: Use “Stim Tels” – change in end-to-end performance EVE Instrument at Ambient: Use OGSE – looks for light leaks Use internal source and GSE to cool CCD – CCD aliveness test AIA/HMI Instruments in Thermal Vacuum: Use “Stim Tels” – change in end-to-end performance at temperatures EVE Instrument in Thermal Vacuum: Use OGSE which mounts to Instrument, contains UV sources – end-to-end verification
14
Status I&T Peer Review Held 2/18/04 9 RFA’s Received and Accepted
RFA’s are not considered critical RFA’s will be closed prior to CDR Peer Review Draft I&T Plan submitted to SDOMIS
15
I&T Issues and Concerns
Instrument Targets in SES No Schedule Concerns – I&T Schedule is Quite Doable
16
Back-Up Charts
17
Instrument Testing Operations (1/6)
Aperture Cover Openings: EVE - During BAT, Observatory CPTs and Thermal Vac - Nominally open aperture cover during the baseline CPT, post-environmental test CPT and post-ship CPT at the launch site HMI - During BAT, Observatory CPTs and Thermal Vac AIA - During BAT, Observatory CPTs, Thermal Vac and AIA filter change-outs - Three Observatory-level AIA filter change-outs are anticipated (assumes AIA delivered with clear filters in place). Class 1,000 cleanroom required. - Prior to Observatory vibe and acoustic testing - from clear to flight-like - Prior to T-Vac (following Observatory vibe and acoustic tests) - from flight-like to clear - Pre-launch (at the launch processing facility, not at the launch pad) - from clear to flight
18
Instrument Testing Operations (2/6)
External Optical Stimulus: EVE OGSE consists of four lamps integrated into Common Housing - Mounted to hard-points on the EVE Optics Package (no external MAGE required) - Allows the EVE OP aperture covers to be open fully on command and closed manually without removing the OGSE - Used in ambient (with visible light sources) and in thermal vacuum (with UV light sources) - Not present for thermal balance (TBD) - Powered and controlled by EVE-provided EGSE - No requirements on Observatory orientation HMI Stimulus Telescope, visible light (“Stim Tel”) AIA Stimulus Telescope (possibly 2), also visible light, but not Identical to HMI Stim tel
19
Instrument Testing Operations (3/6)
Instrument and IGSE Configuration for Ambient Observatory CPTs: EVE CCD radiator cold plate - Enables crude CCD flat-field test in ambient conditions by cooling the CCDs to approximately 15 degrees C to reduce the CCD dark current enough to enable ambient testing of the CCDs using the internal EVE flat field lamp. - Closed-loop refrigerant, or thermo-electric cooled plate located adjacent to EVE CCD radiator (not in contact with flight radiator). - Requires access to EVE CCD radiator on EVE OP. EVE OGSE mounted to EVE OP - Provides light leak test of EVE OP (entrance filter pin-holes, etc.). - Visible lamps used for the four EVE apertures. - OGSE must be connected to LASP-provided power supply.
20
Instrument Testing Operations (4/6)
Instrument and IGSE Configuration for Ambient Observatory CPTs: HMI and AIA Stim-Tels - Stimulates CCDs with simulated solar disk image (visible light). - Can introduce jitter to test HMI and AIA Image Stabilization Systems. - Can be used to determine HMI and AIA optical axis alignment - Can be used to verify instrument focus. - Placed on elevated platforms approximately 3 feet from HMI and AIA along optical axes - Observatory must be in horizontal orientation. - AIA (non-flight) clear entrance filter must be installed
21
Instrument Testing Operations (5/6)
Instrument & OGSE Configuration for Observatory-level Thermal Vac: EVE OGSE - UV lamps replace visible lamps used in ambient testing. - OGSE mounts to EVE OP. No MAGE required. Not present during thermal balance as the OP is in a non-flight configuration when the OGSE is installed. HMI and AIA OGSE - Strong desire for visible light stimulus from Stim Tels (via an optical window in the chamber). - Observatory thermal vacuum is the last opportunity to test the CCDs at their operating temperature before launch. - MAGE arrangement in the chamber is TBD (optical relay mirrors).
22
Instrument Testing Operations (6/6)
Instrument & OGSE Configuration for Observatory-level Thermal Vac: Solar flux simulator (via heater panel located at +X) is planned by SDO Thermal - Can turn heater panel off/on to simulate eclipse entry/exit No dedicated CCD or CEB radiator cold shrouds are necessary as long as a clear view is maintained to the T-Vac chamber shrouds - Concern the CCD radiator cold sink provided by the chamber will not meet the less than –150 deg. C requirement.
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.