Shuttle Computer Configuration

1
Shuttle Computer Configuration
PASS (Primary Avionics Shuttle Software)
BFS (Backup Flight Software)
2
Corporate Culture
3
STS-49 EVA
4
Practicing EVAs at NASA
5
SASCB and SW dev.
SASCB Shuttle Avionics Software Control Board
(The Requirements Board) OBS
Onboard Shuttle (Software Development Team)
6
Orbit Rendezvous
7
Levels of Testing
Development
No longer tested
Pre-Release Testing
Post-Release Testing
8
I-load Processing
OBS
NASA
9
I-load Processing Redundancy
OBS
NASA
RSOC
10
Aerospace Stuff
11
Four Propulsion Systems
SRBs Solid Rocket Boosters Main Engines OMS
Orbiter Maneuvering System RCS jets Reaction
Control System
12
Scenarios
ANOM Ascent Nominal RTLS Return to Launch
Site ACON Ascent Contengency TAL Trans
Atlantic Landing (ATAL ETAL) AOA Abort Once
Around( AAOA, DAOA EAOA) ATO Abort to
Orbit ONOM Orbit Nominal ORDZ Orbit
Rendezvous DNOM De-orbit Nominal ENOM Entry
Nominal