23 - 1 nasa’s goddard space flight center lro integration and test joanne baker gsfc code 568...

23 - 1NASA’s Goddard Space Flight Center

LRO Integration and Test

Joanne Baker

GSFC Code 568

August 16-17, 2005


• LRO testing shall be in accordance with the “LRO Verification Plan”, 431-PLAN-000101.

• LRO integration and test shall be performed per the “LRO Integration and Test Plan”, 431-PLAN-000100.

• LRO launch site activities shall be performed in accordance with the “LRO Launch Site Support Plan”.

I&T Driving Documents


I&T Document Tree

RLEP Mission Assurance Requirements

430-RQMT-000006

LRO Mission Requirements Document 431-RQMT-00004

LRO Electrical Systems

Specification431-ICD-000008

Mechanical Systems

Specification431-RQMT-000012

Contamination Control Plan

431-PLAN-000110

Thermal Systems

Specification 431-SPEC-000091

GENERAL ENVIRONMENTAL

VERIFICATION STANDARD (GEVS)

SC Subsystem & Instr. ICDs / Specifications/

Requirements

Subsystem & Instr. Interface / Assembly

Drawings

Observatory Verification Plan & Matrix431-PLAN-000101

LRO Ground System ICD

431-ICD-000049

Rules for the Design, Development,

Validation, and OperationOf Flight SystemsGSFC-STD-1000

SC PAIP431-PLAN-000131

LRO Detailed Mission Requirements (DMR) for the LRO Ground System

431-RQMT-000048

LRO MissionVehicle Interface

Control Doc

LRO SystemSafety Plan

431-PLAN-000176


Integration and Test Plan431-PLAN-000100

Observatory Verification Plan & Matrix

431-PLAN-000101

Test Plans& Procedures

WOAs


431-PLAN-000176

Mission ReadinessTest Plan

431-PLAN-000079

Handling & LiftProcedures

Simulations

Contamination Control Plan

431-PLAN-000110

I&T Document Tree – cont.

ITOS Procs

Test Results And Reports

Verification Matrix

SC PAIP431-PLAN-000131

GSE Requirements/Specification Docs

LRO Detailed Mission Requirements (DMR) for the LRO Ground System

431-RQMT-000048

InstrumentIntegration &

Test Plans


I&T Document Tree – cont.

Launch Site Support Plan

LRO MSPSP

Ground OperationsProcedures

Integration and Test Plan

431-PLAN-000100


431-PLAN-000176


Orbiter Integration & Test Flow - 1

OB - Instrument Integration &

Alignment

Propulsion ModuleDelivery

Inst. Interface Check

Out W/ Flat Sat

Battery & PSEPlate Integration

Flat SatBuild Up and

Checkout

Flt. PowerSystemDelivery

Flt. C&DH SystemDelivery

C&DHPlate

Integration

Upper StructureIntegration

Reaction WheelIntegration

Optical BenchDelivery

ST & IRUIntegration &

Alignment

Battery & PSEOrbiter Integration

& Test

C&DH Integration & Test

PDEIntegration & Test

RF componentsIntegration & Test

Preliminary BusFunctional Testing

Optical BenchIntegration & Test

SA and HGAIntegration & Test

Bus MountedInstrument

Integration & Test



Time Offset/Drift

Test

CPT

ACS PolarityTest

AlignmentBaseline

Jitter Characterization

S/A and HGADeployment

Tests

LOLABoresightAlignment

InstrumentFunctional

Tests

LAMPEnd to End

Test

Comm SysEnd to

End Test

Day In theLife

RFCompatibility

Test

Mission Sims



Separation/ShockTest

Alignment Check

& FunctionalTest

EMCThermal

Vac & Balance

Pre-ShipActivities

AlignmentCheck

PostEnvironmental

CPT

Bus & Instrument

Special Tests

ShipTo KSC

Post-ShipActivities

Post-ShipFunctional or

CPT

Pad ReadinessActivities

PadInstallation

PadAliveness

Test

Fairing Installation

FinalClose Outs

LAUNCH

SpinBalance /

Mass Properties

Sine VibeW/ Aliveness

AcousticsW/ Aliveness

Pre-EnvironmentalReview

Fueling


I&T Verification Summary

• Interfaces – Mechanical Integration; Electrical Integration Procedures; Polarity test; Alignment; Spin

Balance; Mass Properties

• Functionality Hardware– Functional Test; Performance; Time verification; End to End Tests; Deployment Tests

• Functionality Software– Day in the Life; Separation timeline; Mission Sims

• Environments– Contamination; Jitter Characterization; Sine Vibe; Acoustics; Shock / Separation Test; EMC;

Thermal Vac / Balance

• Instrument Special Tests (unique configurations)– LOLA: Boresight alignment check; LAMP: End to End Test;


Ground Support Equipment – Orbiter Level

• Simulators: Instrument simulators, Spacecraft simulators; Flat Sat

• Mechanical GSE– Lift fixtures, handling dolly, turnover fixture, transportation fixture, thermal vac support structure.

• C&DH GSE– Front End Processors – S-band & Ka-band

– 1553 Bus Monitor

– Space Wire Test Rack

– Data Storage

– Workstations

• RF racks & antenna hats

• Time test rack

• Power GSE– Solar Array Simulator; Battery Simulator; Load Box

• ACS GSE– Dynamic Simulator; ACS component stimulators: Star Tracker, IRU

• Propulsion module simulator/GSE

• Instrument Unique Ground Support Equipment– CRaTER: CO60 source; non-ITOS workstation; Diviner: BCE; LAMP: Vac Ion, Pump, UV light source;

LEND: Californium source; LOLA: Laser Test Equipment (BCE), target; LROC: none identified

• Contamination– Instrument GN2 purges


I&T Summary

• Instrument requirements identified to date and understood.

• Most difficult area will be thermal vac test configuration.– Testing may be limited by configuration limitations.

• Other I&T requirements are not unique and can be realized.

• I&T plan will be in released draft form by mission PDR.

• Ready to proceed with preliminary design.