OPAL Critical Design Review

2/5/99


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Table of Contents

OPAL Critical Design Review

CDR Agenda

OPAL System Overview

System Components

OPAL Mission

Schedule Overview

SSDL Ground Station

OPAL Launch Opportunity

OSP Spacelift Vehicle

JAWSAT Multi-Payload Adapter

OSP/JAWSAT Launch Configuration

Orbit

MPA Integration Schedule

The OPAL Satellite

PPT Slide

Structure Subsystem

Structure Subsystem

Structure Subsystem

Structure Subsystem

Structure Subsystem

Structure Subsystem

Structure Subsystem

Structure Subsystem

PPT Slide

Structure Subsystem

Structure Subsystem

OPAL Launch Vehicle Interface

Launch Vehicle Interface Requirements

Launch Vehicle Interface Testing

OPAL Launch Vehicle Interface

Work to Do

Power Subsystem

Requirements

Design Philosophy

Basic Design

Telemetry Box

Batteries

Solar Panels

POWER: Status

Power Budget

OPAL CmDH

CPU Board

MC68332

Vesta SBC332 Mother Board

Vesta SPI332 Digital I/O and A/D board

Software Subsystems

OPAL Software

Communications

TNC FSM

Payload

Telemetry

Data Storage

Scheduler

Command Interpreter

Ground Code

COMMUNICATIONS

Functional Requirements

Functional Block Diagram

Hardware Design

Components

Components (cont.)

Link Budget

Current Status

Verification & Testing

Concerns & Action Items

OPAL Picosatellite Launcher

Picosatellite Launcher Mission

Picosatellite Teams and Missions

Previous Launcher Design

Design Drivers

Launcher Cross-section View

Door Modifications

Picosat Tray Layout

Picosat Envelope

Picosat Launch

Force on Picosats

Launcher Testing

Picosatellite Delivery Schedule

Status

Picosatellite Launcher

Launcher Circuitry System Diagram

Launcher Circuitry Instrumentation

Launcher Circuitry NEA Requirements

Launcher Circuitry Firing Circuitry

Launcher Circuitry Operations

Launcher Circuitry Status and Work To Do

Magnetometer Testbed

Magnetometer Testbed Mission

Magnetometer Testbed Mission Success Criteria

Magnetometer Testbed Other Mission Details

Magnetometer Testbed APS533

Magnetometer Testbed System Diagram

Magnetometer Testbed Implementation (1)

Magnetometer Testbed Implementation (2)

Magnetometer Testbed Status and Future Work

Accelerometer Testbed

Accelerometer Testbed Mission

Accelerometer Testbed Characterization

Accelerometer Testbed Sensor Types 1

Accelerometer Testbed Sensor Types 2

Accelerometer Testbed Block Diagram

Accelerometer Testbed Physical Layout

Accelerometer Testbed Fabrication

Accelerometer Testbed Degradation

Accelerometer Testbed Operations 1

Accelerometer Testbed Operations 2

Accelerometer Testbed Testing

OPAL Testing

OPAL Testing

Test Process

Required Testing

Testing Completed to Date: 3/97

Testing Completed to Date: 11/98

Testing Completed to Date: 11/98

Testing Completed to Date: 1/99

Future Testing: 2/99

Future Testing: 2/99

Future Testing: 3/99

Future Testing: 3/99

S/C Integration Test Plan

LV Integration Test Plan

Testing Roadblocks

Conclusions

Summary

Author: James Cutler

Email: jwc@stanford.edu

Home Page: http://aa.stanford.edu/projects/opal/

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