mccs status update sofia sitr 2-19-10 kendall mauldin sofia platform project flight systems lead
DESCRIPTION
MCCS Status Update SOFIA SITR 2-19-10 Kendall Mauldin SOFIA Platform Project Flight Systems Lead. Stratospheric Observatory for Infrared Astronomy. SOFIA. Open Door MCCS Overview. The MCCS Consists of 10 Subsystems Platform Interface Subsystem (PIS) Power Distribution Subsystem (PDS) - PowerPoint PPT PresentationTRANSCRIPT
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MCCS Status UpdateSOFIA SITR
2-19-10
Kendall MauldinSOFIA Platform Project Flight Systems Lead
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Open Door MCCS Overview
• The MCCS Consists of 10 Subsystems– Platform Interface Subsystem (PIS)
– Power Distribution Subsystem (PDS)
– Mission Audio Distribution Subsystem (MADS)
– Workstation Subsystem (WS)
– Network Subsystem (NWS)
– Time Distribution Subsystem (TDS) (IRIG/NTP)– Video Distribution Subsystem (VDS)
– Archive Subsystem(ARS)
– Data Acquisition Subsystem (DAS)
– Water Vapor Monitor(WVM)
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MCCS Current Status
• Verified and operational in open door configuration– Currently supporting envelope expansion flight series
• Modifications and installations in preparation for FORCAST line-ops are on-going (non-interference to envelope expansion)– Currently in a three week downtime where no envelope
expansion flights are occurring, allowing us to complete many installations and mods in preparation for FORCAST Line-ops
• Engineering build to support FORCAST is being checked out in integration labs
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MCCS Overview-Open Door ConfigurationMission DirWorkstation
PlatformNW Switch Platform
Interface
TimeDistribution
PowerDistribution
MissionAudio
SurrogateDAS
Cavity DoorDrive
Cavity ECS
TelescopeAssembly
CockpitIndicator
Power toObservatory
AudioCommunicationfor observatory
IRIG Out
External SystemsMCCS
MCCS NetworkRS-422 DataSubsystem Info
Flight TestInstrumentation
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MCCS-Open Door Integration Status
MCCS Subsystem Integration Status
V&V Status Retest Status
Power Distribution PM13-2004
Network PM13-2007
IRIG NTP SV02-2037
Mission Audio SV01-2011
Platform Interface SV01-2012
Workstation SV01-2013
XML SV01-2014
Surrogate Data Acquisition SV01-2014
System Level SV01-2014
Not Started
Being Worked
Complete
Unknown if required
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FORCAST Line Ops/ Short Science MCCS Configuration
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Preparations for FORCAST Line-ops
• During current three week downtime:– Installation of several additional fiber optic lines, wiring, brackets, LCD
monitor, network infrastructure, network printer, MADS at PI Rack, PI Panel Ground Lugs
– Informal check-out of PI Patch Panel MCCS Interfaces• Includes safe-to-mate checks prior to connecting FORCAST instrument
– Re-installation of MCCS UPS B– Installations of EB configured SDAS, PIS, network switches,
Workstation, and TAIPS will be installed during the Observatory checkout period before Line-ops
– Risk Mitigation check-outs of EB configured MCCS will be performed during observatory checkout period
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Power Distribution Subsystem
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PDS Status• Currently operational in Open Door configuration
– MCCS UPS B currently not installed for open door. Will be re-installed and checked out before FORCAST Line-ops
– Most distribution for future configurations is already installed, but formal V&V would be completed prior to use of the future configuration power distribution
• Power Quality Notes for SI teams:– Both the UPS and FC power (115VAC, 60Hz) have been tested and verified to the following power
quality specs (the 230VAC, 50Hz UPS will be tested to these standards as well):• Voltage stability (zero to full load) +/- 3% of nominal (115 or 230 VAC)• Frequency stability (zero to full load) +/- 1% of nominal (60 or 50 Hz)• %THD: 5% max
– The 28VDC power from the aircraft TRUs has been tested to the following power quality specs:• Voltage regulation between 24 - 32 VDC at all load levels• DC ripple amplitude no greater than 3Vpp at all load levels• DC ripple frequency no greater than 5000 Hz at all load levels
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MCCS Network Subsystem
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Network Subsystem
PNS Open door configuration
•Currently operational in Open Door configuration•Scalable for future configurations•FORCAST Line-ops configured units being checked-out in the integration labs
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Network Subsystem
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IRIG/NTP
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IRIG/NTP Overview
MCCS Forward Rack 5 IRIG NTP
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•Operational in open door configuration•Scalable to support future configurations•Supplies IRIG-B and NTP time base signals
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Mission Audio Distribution System
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MADS Status
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•Currently in “Open Door +” configuration, which includes expanded capability to support future configurations.•Used for ground and flight ops•FORCAST line-ops config will include MADS at the PI rack
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MADS FORCAST/Short Science Config
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MCCS Platform Interface Subsystem (PIS)
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PIS On-Aircraft Configuration
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•Operational in Open Door Configuration•EB unit loaded in integration labs for check-out prior to FORCAST Line-ops•EB unit will be used for FORCAST Line-ops (will include connection to TA)
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MCCS Workstations
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Workstation Status
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•Currently one workstation installed in upper deck area for door controller. Operational for open door configuration•Two additional workstations will be added for FORCAST Line-ops: TA Operators workstation, Mission Directors Workstation
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GUI Design
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MCCS S-DAS
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S-DAS Overview
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•Provides connection between CDDS status data and flight test telemetry system•Currently configured for Open Door configuration
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Video Distribution System (TAIPS)
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VDS (TAIPS) Status
• TAIPS not part of open door configuration (not currently present on aircraft)
• EB version of TAIPS is being checked out in integration labs, in prep for FORCAST Line-ops
• EB version of TAIPS will be installed for FORCAST Line-ops
• Connections to PI patch panel and imagers will be informally checked out prior to line-ops
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PI Patch Panel• Defined per
MCCS_SI_05 ICD
• Installed and ready for FORCAST Line-ops check-outs
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Software
Kyle YorkSoftware Manager SOFIA Platform Project
DFRC Flight Systems Engineering - Tybrin
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MCCS -Platform Interface System
• Engineering Build 4 delivered • Blind pointing
• SI boresight setup
• Early Science Nodding
• Engineering Build 5 scheduled to be delivered Feb 24• Full rewind
• 2-point Chopping
• TA imager single and multicast processing (TAIPS)
• TAIPS data archiving
• Corrections to stability issues
• Short Science 1 capabilities• Improved Nodding and Chopping
• Constant Velocity Scan Mapping29
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MCCS- Workstation
• Workstation• Engineering Build 4 S/W Delivered
• HIL is in configuration to support checkout of connectivity between MCCS subsystems
• Not Formally V&Ved in the H/W or S/W configuration
• Code coverage complete
• Engineering Build 5 delivery on Feb 24• Workstation software delivery 30 days after.• HIL configuration and connectivity check to
follow
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