Atlas As a Human Rated LV

Atlas As a Human Rated LV

AtlasAtlas As As A A Human Human RatedRated LV LV STAIF Conference 2006 Lockheed Martin Space Systems Company Atlas for Human Spaceflight 15 Feb 2006 1 © 2006 Lockheed Martin Corporation. All Rights Reserved Reliable and Versatile Launch Vehicle Family Atlas I Atlas II Atlas IIA Atlas IIAS Atlas IIIA Atlas IIIB Atlas V-400 Atlas V-500 AC-69 AC-102 AC-105 AC-108 AC-201 AC-204 AV-001 AV-003 Jul 1990 Dec 1991 Jun 1992 Dec 1993 May 2000 Feb 2002 Aug 2002 Jul 2003 8/11 10/10 23/23 30/30 2/2 4/4 4/4 3/3 Legend: First Flight X/Y X successes in Y flights •8 of 8 First Flight Successes •78 Consecutive Successful Atlas Centaur Flights •100% Mission Success Atlas II, IIA, IIAS, III & V Families •487 Total Launch Successes Since Atlas Program Inception Mission Success—One Launch at a Time Atlas for Human Spaceflight 15 Feb 2006 2 AV-010 Launch • January 19, 2006 • NASA Pluto New Horizons Spacecraft • First 551 configuration • First Block 2 Fault Tolerant Avionics • First Block B SRB • Nuclear certified • Nominal flight profile • Injection conditions well within 1 sigma – C3, RLA, DLA Fastest Spacecraft Ever Launched Atlas for Human Spaceflight 15 Feb 2006 3 Atlas Evolution History Atlas I/II Family Atlas III Family Atlas V Family 5-m PLF ) 30 GSO Kit T m ( y 26 t i l Avionics i Single Common Upgrade b Engine a 22 Centaur Centaur p a C 3.8-m . Common c 18 r LO2 Core i Tank Booster C Stretch ) 14 m n 0 2 10 Liquid 2 SRBs ( Strap-ons m RD-180 SRBs k 6 Engine 7 0 Atlas I Atlas IIAS Atlas IIIA Atlas IIIB Atlas V Atlas V Atlas V 4 2 Atlas II (SEC) (DEC) (400 Series) (500 Series) (HLV) Atlas IIA (0–3 SRBs) (0–5 SRBs) First Flight 7/90 12/93 5/00 2/02 8/02 7/03 2008 Demonstrated Low-Risk Evolutionary Development Atlas for Human Spaceflight 15 Feb 2006 4 Atlas V HLV –Highlights • 30 month order to launch • All Common Element Design Criteria Envelope HLV Requirements • Liquid Rocket Booster “Strap-Ons” Same as Flight Proven Common Core Booster • RD-180 Engine HLV Certification Testing Complete • RL10 Fully HLV Qualified, Including 3-Burn, Long-Coast Missions • Most Common Hardware Already Qualified to HLV levels • Minimal New HLV Hardware for Airborne and Ground Systems • Block 2 Avionics Upgrade, Providing HLV Fault-Tolerance • Software update < 25% Change to Current FSW • Existing Facilities Accommodate HLV 95% of HLV System Flight Proven Atlas for Human Spaceflight 15 Feb 2006 5 Atlas Program Evolution Approach •Atlas evolution elements become fleet baseline •Atlas evolution benefits existing customer base – Maintain/improve Atlas 401 cost/launch • Phase 1 Centaur (SEC) cost Centaur III cost • Phase 2 Booster cost Atlas V booster cost – Improve cost at 5XY and HLV performance levels – Accommodate NASA Space Exploration and NRO growth requirements • Both super heavy lift and CEV requirements •Maximize DoD/NASA/ Commercial synergy – Common element architecture – Enable NASA/ DoD sharing of investment •Credible, sustainable program – Time phased to meet NASA affordability – Minimize use of new or risky technology, minimize complexity • No new engines required for baseline evolution • No cross feed, limit clusters to five-body •Existing LC-41 infrastructure through Phase 2 development •Current and evolved mission reliability and safety supports human rating – Inherent design reliability, demonstrated reliability through commonality Atlas for Human Spaceflight 15 Feb 2006 6 Continued Atlas Evolution Atlas V Family Phase 1 Family Phase 2 Family Phase 3 Addition Baseline Phase 1 Phase 2 Phase 3A Phase 3B HLV (Wide Body Centaur) (Wide Body Booster) (5 Body) (Super HLV) (9-28 mT LEO) (9-36 mT LEO) (9-68 mT LEO) (107 mT LEO) (54-140 mT LEO) 8.4M PLF -or- 5.4M Cent. Tank 1 to 4 RL10’s 5.4M Booster 8.4M Tank Tank Cluster 5.4M CCB 5 RD-180’s 2 or 4 LRB’s Dual RD-180 Existing Pad and Existing Pad and Existing Pad and New Launch New Launch Site Infrastructure Infrastructure Infrastructure: New MLP Site Centaur Engine Out Centaur and Booster Engine Out Increasing Reliability Atlas Evolution Meets Space Exploration & Nation’s Needs Atlas for Human Spaceflight 15 Feb 2006 7 Atlas As A Human Rated LV • LM has a rich heritage in human spaceflight –First American in Space Flew Atlas / Mercury –Race to moon relied on flights of Atlas and Titan –Today’s Atlas V is most reliable Atlas ever • Human Spaceflight Opportunities extend beyond CEV –Commercial opportunities emerging Photos Courtesy NASA Atlas-Mercury / Titan-Gemini Human Spaceflight 100% Successful Atlas for Human Spaceflight 15 Feb 2006 8 Human Launch Options Proven Some options Maturity Destination Attributes STS Proven LEO, ISS NASA Owned Phasing Out 2010 Russian Soyuz Proven ISS $20M per Seat Atlas V Proven LEO, ISS, GEO, GSO NASA Certified (6 SC flights incl. 2 Lunar Transfer, etc. NASA planetary Most Recently Pluto! Human Spaceflight missions) Heritage Development Virgin Galactic Infancy Suborbital Spaceship One technology Clipper/Soyuz In Design ISS Russian Crew Launch Vehicle, CEV In Design ISS NASA Owned (Currently (replace STS) 5 segment / J2) “Low Cost” LV Infancy LEO, ISS First Flight with payload only Atlas for Human Spaceflight 15 Feb 2006 9 Commercial Opportunities •Commercial Orbital Transportation Services Demo – Capability D: Crew transportation •Space Tourism •Other •Flight Proven Atlas V – Performance up to 28mT to LEO – Fault Tolerant Design – Potential for Mission Peculiar Kit additions for crew / cargo Atlas for Human Spaceflight 15 Feb 2006 10 Atlas Design Philosophy Overview • Common elements –Commonality driven down to part level • Flexibility, wide range of missions & capabilities • Simplicity, fault elimination –Reduced part counts –Fewer stages, fewer engines, fewer sep. events • Fault tolerance, high reliability –Eliminate single point failures • Rigorous margins & testing –Comprehensive, test like you fly –Analysis anchored to test & flight data Detailed System Understanding Key to Mission Success Atlas for Human Spaceflight 15 Feb 2006 11 Atlas V Human Rating Configurations Atlas 401 Atlas HLV 8.2mT Performance 28mT (220nmi. X 51.6)* Yes Black Zone Closure Yes > 99% Reliability >98% All Liquid Rocket All Liquid Rocket Single RD-180 Single RD- 180/Booster Single RL-10 Configuration Dual RL-10’s Low Cat Fraction Low Cat Fraction Fault Tolerant Avionics Fault Tolerant Avionics High Margins High Margins * Performance includes PLF, Margin and Optimized Trajectory Reliable Human Spaceflight Vehicles Atlas for Human Spaceflight 15 Feb 2006 12 Atlas Reliability Improvement Atlas II Demonstrated 18 Atlas V Design Reduced POF (63 of 63) Atlas V Design Reduced POF byby Factor Factor of of 2.65 2.65 16 •Engines,•Engines, Staging Staging Events, Events, Parts Eliminated s Parts Eliminated t •Increased•Increased Redundancy Redundancy h 14 •AIII/V Demonstrated 10 of 10 g •AIII/V Demonstrated 10 of 10 i l F 12 0.87 Allowable Abort 0 65% confidence 0.87 Allowable Abort 0 SystemSystem Reliability Reliability 0 10 required to meet 1 required to meet NASA Ascent Crew r NASA Ascent Crew survival probability e survival probability p 8 50% Confidence 74% confidence s e r 6 Mission Reliability u l R=0.9947 @ 65% i Requirement (0.99325) a 4 R=0.9965 @ 50% F 2 9 mT Atlas V 401 0 AtlasAtlas Reliability Reliability Meets Meets NASA NASA Standards Standards Atlas for Human Spaceflight 15 Feb 2006 13 System-Level Human Rating Reliability Health Monitoring •Fault-Tolerant Systems •Situational Awareness •Centaur and Booster Engine- •Monitor Critical Systems Out Capability Using Independent Fault •Demonstrated Reliability Tolerant Failure Sensing through high launch rate System L V •Fly Monitoring System on All •Vehicle Characterization H y t e Missions i a il •Rigorous, closed-loop lt b h a •Engine Out Detection and processes li M e Human o Abort Commands •Experienced People R n Rated i V t Intact Abort Capability L o E Spaceflight r in System g •Catastrophic LV failures minimized Intact Abort Capability •Abort to Orbit under most engine failures System Level Approach Meets Human Rating Requirements Atlas for Human Spaceflight 15 Feb 2006 14 Human Spaceflight Requirements Human Rating Requirement Atlas Approach Comments FAA - Crew and Public Maximize Safety and Atlas V FAA Licensed and Safety Reliability range Certified - Human Passenger requirements readily addressable Reliability Design POF reduced by Atlas V: 62% reduction in POF factors relative to 100% successful Atlas II family High flight rate provides experience, cost reduction and alleviates “Infant mortality” failures Demonstrated Reliability, Common fleet provides Proven Mission Success flight tests & high flight rate. Atlas : 78 Flights 100% Success Atlas II/III/V 100% success. including 8 new configurations, 3 new launch pads and 7 Atlas V Flights Dual Fault Tolerance Single fault tolerance (SFT) Abort provides second fault protection Robustness, Factors of Common elements designed Human rated configurations Safety to envelope of fleet have robust margins relative to requirements design Common Cause Software Rigorous SW development Backup flight control SW Failures & test processes provide approach maximizes necessary SW reliability commonality Atlas for Human Spaceflight 15 Feb 2006 15 Atlas V Abort Black Zone Closure Loads vs Duration in the +Gx Direction (“Eyeballs In”) 100 ) s ' G ( s d 10 a o L Human G Limit for Aborts G Exposure During Worst Atlas V HLV Abort G Exposure During Worst Atlas V 401 Abort Uncontrolled Abort Reentry 1 0.1 1.0 10.0 100.0 1000.0 Duration (sec) Atlas V Closes Black Zones Atlas for Human Spaceflight 15 Feb 2006

View Full Text

Details

  • File Type
    pdf
  • Upload Time
    -
  • Content Languages
    English
  • Upload User
    Anonymous/Not logged-in
  • File Pages
    23 Page
  • File Size
    -

Download

Channel Download Status
Express Download Enable

Copyright

We respect the copyrights and intellectual property rights of all users. All uploaded documents are either original works of the uploader or authorized works of the rightful owners.

  • Not to be reproduced or distributed without explicit permission.
  • Not used for commercial purposes outside of approved use cases.
  • Not used to infringe on the rights of the original creators.
  • If you believe any content infringes your copyright, please contact us immediately.

Support

For help with questions, suggestions, or problems, please contact us