Alternatives Concepts White Paper IPT 02E

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Alternatives Concepts White PaperIPT 02E
Team Eclipse
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Project Management
The University of Alabama Huntsville The University of Alabama Huntsville
Team Leader Eddie Kiessling
Structures Nathan Coffee
Systems Engineer Jay Gala
GN C Brandon York
GN C Joseph Sandlin
Operations Brett Guin
Thermal Kathryn Kirsh
Thermal Eddie Kiessling
Payload Operations Brent Newson
Power Christopher Goes
Technical Editor Michael Bryan
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Overview

• Phase 2
• Seek to establishes team roles
• Develop two alternative designs
• Select one design as the final concept to take
  into Phase 3.
• Design Concepts
• Viking Lander, the baseline design
• Lander on Wheels (LOW), final design chosen
• Lander Rover

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Technical Description

• Overview of Phase 2
• Deliverable Items
• White Paper
• Summarizes the strategy for selecting alternative
  systems
• Qualitative/quantitative information to evaluate
  each idea
• Logical rational for down selecting one concept
  among the three concepts
• Oral Presentation
• Summarizing information from the White Paper to
  present to the review board.

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Technical Description

• Specification Summary
• Level 1 Requirements
• Housed within an Atlas V-401 EPF Shroud
• Total Landed Mass 997.4 kg
• Launch Date NLT September 30, 2012
• Survivability Time of 1 Year
• Attain a slope of 12º
• Polar Landing as well as other Lunar Landings
• Land Precision /- 100m 3s
• Maneuverability
• SMD to ESMD

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Team Eclipse Approach to Phase 2
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Description of Concepts

• 3 Concepts
• Viking Lander (Baseline Design)
• Lander on Wheels (Concept 1)
• Lander Rover (Concept 2)
• Selection Process
• Advantages and Disadvantages
• Weighting of FOMs
• Analysis and Comparison
• Concept Chosen Lander on Wheels (Concept 1)

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Boost Matrix for Project 02
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02-BL Viking

• Availability of Data
• Martian Surface
• Single Site Science Mission
• Subsystems
• Thermal
• Active Passive
• Structural
• Parachute, Bio-shield, Aero-decelerator
• Redundant Communications
• Power
• RTGs Nickel-Cadmium Batteries
• Guidance, Navigation, and Controls
• Three Axis Gyros and Accelerometer Redundant
  x-axis system.

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02E-ALT1 Lander on Wheels

• Power System
• RTGs/ASRGs
• Thermal Systems
• Heating Excess energy from RTG
• Cooling Moons environment
• Structure
• Titanium
• 8 Wheel Rocker Bogey Configuration
• Operations
• Communicate with LRO Earth at Direct LOS
• GN C
• Landing Hazard Avoidance
• Travel to Scientific Sites
• Payload
• Scientific Equipment
• SRV

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02E-ALT2 Lander Rover

• Power System
• Lander RTG/ASRG
• Rover Rechargeable battery system
• Thermal Systems
• Lander Heating Excess energy from RTG
• Rover Heating Energy from battery system
• Lander and Rover Cooling Moons environment
• Structure
• Lander Titanium
• Rover Composite
• Operations
• Communicate with LRO Earth at Direct LOS
• GN C
• Lander Landing Hazard Avoidance
• Rover Travel to and from Scientific Sites
• Payload
• Scientific Equipment
• Rover
• SRV

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Selection of Final Concept

• Criteria selection (in order of importance)
• Technology Ratio
• ConOps
• Objectives Completed
• Percent Payload
• Surface Objectives Completed
• Percent Power System
• Chosen Concept
• Lander on Wheels (Alternative Concept 01)

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Illustrations02-BL Viking
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Illustrations02E-ALT1 Lander on Wheels
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IllustrationsShroud Configuration
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Video
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Illustrations02E-ALT2 Lander Rover
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Engineering Summary

• 02E-ALT 1 Lander on Wheels
• 700 kg allocated with 300kg or 30 mass to be
  distributed
• 02E-ALT 2 Lander Rover
• 750 kg allocated with 250 kg or 25 mass to be
  distributed

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Concept Evaluation Matrix
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Phase 3 Plan

• Key Issues
• Power Supply
• Single Site Goals Issue
• Finalize Mobility Concerns
• Tasks for Partner Universities
• Southern University
• Suspension System
• CAD Model of Mobility System
• ESTACA University
• Design of SRV Propulsion System
• CAD Model of SRV

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Review

• Technical Description
• Description of Concepts
• Selection of Final Concept
• Phase 3 Plan