logging in or signing up 105 obrien p Modest Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 236 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: January 17, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript AGC and Manual Control of the Saturn V Booster: AGC and Manual Control of the Saturn V Booster Frank O’Brien Infoage Science/History Learning CenterNecessary Background: Necessary Background Overview of Saturn V Instrument Unit Apollo Guidance Computer / DAP Flight controls in the Apollo CM Abort Boundaries Saturn V takeover options Crew Simulator ExperienceInstrument Unit: Instrument Unit IU being lowered on top of S-IVB All components located along inside wall of IU Saturn Instrument Unit: Saturn Instrument Unit All booster guidance and control Platform: 3-axis stabilized, ST-124M Launch Vehicle Digital Computer Single thread programming “Time Bases” define mission phases Triply Redundant 32Kx28 bits, serial bus, 82us add timeApollo CM Flight Controls: Apollo CM Flight Controls Apollo Guidance Computer DSKY P11: Boost Monitor Digital Autopilot Flight Director Attitude Indicator Main Console Switches Rotational Hand ControllerApollo Guidance Computer: Apollo Guidance Computer Fully multiprogramming, interrupt driven Primary G&C interface Intuitive user interface Verb-Noun communication language Verbs: Action to be taken Nouns: Data to be acted on by Verb Boost Monitor: Program 11Display and Keyboard (DSKY): Display and Keyboard (DSKY)AGC Digital Autopilot: AGC Digital Autopilot Fully implemented in software DAP runs continuously in background Input parameters Spacecraft configuration, weight Attitude deadband RCS Jet preferences Takeover configuration preloadedAGC Program 11: AGC Program 11 Independently monitors boost phase Calculates attitude errors Displayed on FDAI error needles Displays velocity, altitude and H-dot Optionally displays orbital parameters (!) Is able to assume Saturn V takeoverFlight Director Attitude Indicator: Flight Director Attitude Indicator Primary spacecraft attitude indicator Modeled after traditional “8-ball” 4” ball with attitude markings Attitude error needles across face Not unlike pilot’s ILS needles Rotational rate pointer along sidesFlight Director Attitude Indicator: Flight Director Attitude IndicatorApollo CM Console Switches: Apollo CM Console SwitchesApollo CM Console Switches: Apollo CM Console SwitchesBoost Monitor Cue Card: Boost Monitor Cue CardSaturn V Takeover: Saturn V Takeover LV Guidance light LVDC detects an unrecoverable error LV Rate light Excessive launch vehicle rates Pitch, Yaw > 5 deg/sec, Roll > 20 deg/sec Note: Abort region varies T-0 -> T+120 sec - Pitch, yaw: 4 deg/sec Remainder of boost - Pitch, yaw: 9 deg/secTakeover Options (1): Takeover Options (1) LVDC failure during Open Loop guidance Abort! (Automatic) No Time-Tilt routine in AGC No means to stage S-1C/S-II Simulator experience Bending, sloshing, shear difficult to control Insufficient control authority for gimbal hardoverTakeover Options (2): Takeover Options (2) Much easier in Closed Loop guidance LV Guidance light Switch to CMC from IU control Manual S-II / S-IVB staging required LV Rate light Usually with LV Guid light Possibly gimbal hardover or LVDC failure DSKY Verb 46 to enable manual controlManual Control Complications: Manual Control Complications Saturn V is hardly a rigid body Bending Moment Flexible structure, especially S-1C Manual control authority during Time Base 1 and 2 may exceed max bending moment Propellant Sloshing Significant for S-1C LOX & RP-1, S-II LOX Aerodynamics / wind shear Simulation of Manual Control: Simulation of Manual Control High-fidelity simulator built at Ames Performance criteria (earth orbit) Delta H 1 Nautical Mile Delta H-dot 45 feet/sec Delta V 10 Feet/sec Simulated performance well within criteria!Backup (NASA NTRS): Backup (NASA NTRS) AC Delco Apollo 15 G&C manual AS-503 Flight Manual Astronics Systems of Saturn LV’s Astronics Systems Handbook/Saturn LV Description of Saturn G&C Saturn 1B / V Astronics systems Saturn V Manual Guidance Saturn V LVDC Description Apollo CSM Operations Handbook, Vol. 1 You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
105 obrien p Modest Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 236 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: January 17, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript AGC and Manual Control of the Saturn V Booster: AGC and Manual Control of the Saturn V Booster Frank O’Brien Infoage Science/History Learning CenterNecessary Background: Necessary Background Overview of Saturn V Instrument Unit Apollo Guidance Computer / DAP Flight controls in the Apollo CM Abort Boundaries Saturn V takeover options Crew Simulator ExperienceInstrument Unit: Instrument Unit IU being lowered on top of S-IVB All components located along inside wall of IU Saturn Instrument Unit: Saturn Instrument Unit All booster guidance and control Platform: 3-axis stabilized, ST-124M Launch Vehicle Digital Computer Single thread programming “Time Bases” define mission phases Triply Redundant 32Kx28 bits, serial bus, 82us add timeApollo CM Flight Controls: Apollo CM Flight Controls Apollo Guidance Computer DSKY P11: Boost Monitor Digital Autopilot Flight Director Attitude Indicator Main Console Switches Rotational Hand ControllerApollo Guidance Computer: Apollo Guidance Computer Fully multiprogramming, interrupt driven Primary G&C interface Intuitive user interface Verb-Noun communication language Verbs: Action to be taken Nouns: Data to be acted on by Verb Boost Monitor: Program 11Display and Keyboard (DSKY): Display and Keyboard (DSKY)AGC Digital Autopilot: AGC Digital Autopilot Fully implemented in software DAP runs continuously in background Input parameters Spacecraft configuration, weight Attitude deadband RCS Jet preferences Takeover configuration preloadedAGC Program 11: AGC Program 11 Independently monitors boost phase Calculates attitude errors Displayed on FDAI error needles Displays velocity, altitude and H-dot Optionally displays orbital parameters (!) Is able to assume Saturn V takeoverFlight Director Attitude Indicator: Flight Director Attitude Indicator Primary spacecraft attitude indicator Modeled after traditional “8-ball” 4” ball with attitude markings Attitude error needles across face Not unlike pilot’s ILS needles Rotational rate pointer along sidesFlight Director Attitude Indicator: Flight Director Attitude IndicatorApollo CM Console Switches: Apollo CM Console SwitchesApollo CM Console Switches: Apollo CM Console SwitchesBoost Monitor Cue Card: Boost Monitor Cue CardSaturn V Takeover: Saturn V Takeover LV Guidance light LVDC detects an unrecoverable error LV Rate light Excessive launch vehicle rates Pitch, Yaw > 5 deg/sec, Roll > 20 deg/sec Note: Abort region varies T-0 -> T+120 sec - Pitch, yaw: 4 deg/sec Remainder of boost - Pitch, yaw: 9 deg/secTakeover Options (1): Takeover Options (1) LVDC failure during Open Loop guidance Abort! (Automatic) No Time-Tilt routine in AGC No means to stage S-1C/S-II Simulator experience Bending, sloshing, shear difficult to control Insufficient control authority for gimbal hardoverTakeover Options (2): Takeover Options (2) Much easier in Closed Loop guidance LV Guidance light Switch to CMC from IU control Manual S-II / S-IVB staging required LV Rate light Usually with LV Guid light Possibly gimbal hardover or LVDC failure DSKY Verb 46 to enable manual controlManual Control Complications: Manual Control Complications Saturn V is hardly a rigid body Bending Moment Flexible structure, especially S-1C Manual control authority during Time Base 1 and 2 may exceed max bending moment Propellant Sloshing Significant for S-1C LOX & RP-1, S-II LOX Aerodynamics / wind shear Simulation of Manual Control: Simulation of Manual Control High-fidelity simulator built at Ames Performance criteria (earth orbit) Delta H 1 Nautical Mile Delta H-dot 45 feet/sec Delta V 10 Feet/sec Simulated performance well within criteria!Backup (NASA NTRS): Backup (NASA NTRS) AC Delco Apollo 15 G&C manual AS-503 Flight Manual Astronics Systems of Saturn LV’s Astronics Systems Handbook/Saturn LV Description of Saturn G&C Saturn 1B / V Astronics systems Saturn V Manual Guidance Saturn V LVDC Description Apollo CSM Operations Handbook, Vol. 1