Hyperion Design Overview Performance Requirements Key System Trades and Critical Analyses

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Table of Contents

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Outline

Hyperion Design Overview Performance Requirements Key System Trades and Critical Analyses

Hyperion Origins

Hyperion Subassemblies

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Hyperion Performance Requirements

Key System Trades & Critical Analyses

Hyperion Systems Management Approach

Hyperion Master Schedule

Systems Management Approach

Hyperion Risk Management Process

Hyperion Risk Management Process Overview

Hyperion Risk Items

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Hyperion End Item Data Package

Staffing and Resources

Hyperion Technical Review Summary

Technical Review Process

Hyperion Design Reviews

Hyperion Flight Software

Hyperion Ground Software

Hyperion Software Design Reviews & Verification & Validation

Design Review RFA History

Hyperion Product Assurance

Hyperion Product Assurance Documents

Product Assurance Overview

Product Assurance Overview

Hyperion Test and Verification Program Implementation

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Test Program Implementation

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Hyperion Integration and Test Results

Hyperion Instrument Level Tests at TRW

Tests of Hyperion Following Integration Onto Spacecraft at GSFC

VNIR Spectral Characterization

Hyperion SNR

Hyperion Specification Verification 1 of 4

Hyperion Specification Verification 2 of 4

Hyperion Specification Verification 3 of 4

Hyperion Specification Verification 4 of 4

Hyperion Waiver Summary

Hyperion PRs During EO-1 I&T

Hyperion Critical RFAs, PRs and Special Topics 1 of 2

Hyperion Critical RFAs, PRs and Special Topics 2 of 2

Hyperion Cumulative Operating Time

End-to-End Hyperion Program

Hyperion Readiness

Hyperion Special Topics

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Sensor Exploded View

HSA Baseplate Redesign Summary

Vibration Testing Summary

Baseplate Failure

Base Plate Failure Description

Ultrasound Inspection Utilized

Failure Assessment

Base Plate Modifications

Summary of STM Testing

Summary of HSA Testing

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Cover Description

Cover Sluggish Operation at Cold Temperature

Anomaly Evaluation

Lubrication Characteristics

Improved Cover Operation Reliability

Cover Operation Summary

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What Causes the Echo?

Echo Analysis Activities: Summary

Echo Intensity Variation Map

Profiles Before / After Echo Removal

Echo Correction Applied to Hyperion Images

Echo Removal Validation

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VNIR ASP Thermal Noise

Impact of ASP Temperature on VNIR Image

VNIR Noise

VNIR Noise Due to Switching Noise

Impact of ASP Temperature on VNIR Image (2)

Predicted VNIR ASP Temperatures at Beginning of Life for an Orbital Cycle

Predicted VNIR ASP Temperatures at Beginning of Life for an Orbital Cycle

Conclusion

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Causes and Issues

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Hyperion Critical RFA (Hyp CDR #5.19) Explain the Hyperion incompatibility with S/C power bus

Hyperion Critical RFA (Hyp CDR 5.21) Explain Hyperion Avg Power of 91W and Allocation of 70W

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Hyperion CDR RFA #5.08: Assure adequate testing of planned lubricant/motor combos

Hyperion CDR RFA #5.14: Recommend sine burst testing for structural verification

Hyperion EIRR RFA #13.01: Address the loose screw in the Hyperion STM

EO-1 PER RFA #9.12: Provide information on the Hyperion structural failure

Hyperion PSR RFA 12.05: Identify temps to which door drive motor has been qualified

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Hyperion CDR RFA #5.23: Effects of temperature changes on gain in the VNIR FPA

Hyperion CDR RFA #5.47: Plan to ensure complete outgassing in initial operation

Hyperion PER RFA #8.12: Understand the ghosting problem

Hyperion PER RFA #8.14: Quantify loss of dynamic range due to ghosting

Hyperion CDR RFA #5.07: Confirm the algorithm for correcting the ghosting

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Hyperion CDR RFA #5.11: Expand & update the verification matrix

Hyperion PSR RFA #13.02: Hold a Failure Review Board for Hyperion

Author: Steve Carman

Email: trish.johnson@gsfc.nasa.gov

Home Page: ../../Docs-RTR.html

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