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ZAMBONI. Zippy Aerospace Module Broadcasting Observed Not-so-bad Images Fall Design Review Harrington Hall, Room 218. Design Team. Mechanical Engineering Jon Fargo Katie Kirchner Andrea Mattern Electrical Engineering Mike Hoffmann Jon Lovseth Chris Schmidt Jason Senti

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zamboni

ZAMBONI

Zippy Aerospace Module Broadcasting

Observed Not-so-bad Images

Fall Design Review

Harrington Hall, Room 218

10 October 2002

design team

DesignTeam

Mechanical Engineering

Jon Fargo

Katie Kirchner

Andrea Mattern

Electrical Engineering

Mike Hoffmann

Jon Lovseth

Chris Schmidt

Jason Senti

Warren Wambsganss

Not-so-bad Faculty

Arnie Johnson

Richard Schultz

Will Semke

Chang-Hee Won

10 October 2002

und vision

UND Vision

1. Moored

Balloon

2. Free

Balloon

4. AgCam (ISS) &

CubeSat

  • AEROCam

2000

2000-2001

2001-2002

2002-beyond

10 October 2002

what is a cubesat

What is a CubeSat

Idea originated at

Stanford University by

Professor Robert Twiggs

California Poly

responsible for

launch integration

Size ~ 10 cm (4”) Cube

Mass ~ 1 kg

10 October 2002

mission

Mission

  • Successfully build and launch a CubeSat
  • Transmit a single digital image from space

and receive the image on Earth

10 October 2002

slide6

Goal

Orbit Earth for approximately 8 months

Transmit numerous digital images to Earth

Transmit health/status data to Earth

Transmit data from a commercial/

government sponsored payload to Earth

10 October 2002

launch

Launch

Expected early 2004 launch

800 kilometer orbit

Approximately $80,000

Rent space for government/industry payload

Alumni support:

“Decameter for a Dollar” campaign

10 October 2002

system overview

System Overview

10 October 2002

jon fargo

JonFargo

10 October 2002

design specs

DesignSpecs

Requirements

Mass not to exceed 2 kg

Center of mass within 2 cm of the

geometric center

Structure Material: Aluminum 6061

Testing

Vibration qualification test

Thermal test

Vibration acceptance test

Integration

10 October 2002

mass budget

Mass Budget

oz. gm.

10 October 2002

mass budget12

Mass Budget

10 October 2002

size budget

SizeBudget

Total volume available =

10 *10*20 cm = 2000 cm^3

Total Volume Used =

680.3 cm^3

66% Volume Remaining

Does not include wires and

other misc. connections

10 October 2002

p pod

P-Pod

Aluminum 7075-T6

Spring Deployed

Thermal line

cutter actuator

Railings

Interface port

(access CubeSat

in deployer)

10 October 2002

testpod

Testpod

Internal dimensions same as launcher tube

Will accommodate double and triple cubes

Designed and manufactured at UND

10 October 2002

testpod16

Testpod

Launch condition testing

Needs two mounting plates

Bolts to shaker table

10 October 2002

prototypes

Prototypes

Rapid prototyping machine

Full size and scale models

ABS plastic

10 October 2002

warren wambsganss

WarrenWambsganss

10 October 2002

why attitude control

Why Attitude Control?

Alignment with the Earth’s magnetic field

Picture footprint

10 October 2002

attitude control

Attitude Control

Magnetic torque rods

Uses magnetic torque to

point satellite

Gravity gradient

Uses boom (weight) to align with

Earth’s gravity gradient

Magnetic alignment

Makes use of a magnet to align

with the Earth’s magnetic field

Decreasing Complexity

Active

Passive

10 October 2002

active control

Active Control

Relies on global position system data (GPS)

Cannot obtain unlocked GPS module

10 October 2002

magnetic alignment

Magnetic Alignment

Extremely strong

Rare-Earth magnets

Larger magnets

produce more torque

Probability of “seeing”

Earth increases from

95.88% to 99.25% at

800 km orbit

10 October 2002

magnetic testing

Magnetic Testing

Helmholtz

Coil

  • Constant magnetic

field near center

  • Used to determine

magnetic torque

10 October 2002

solar cells

SolarCells

GaAs – Galium Arsenide

Most common in space

High efficiency

10 October 2002

solar cell circuitry

Solar Cell Circuitry

  • Used to control charging

of system batteries

  • Constantly monitors

output of solar cells

10 October 2002

jon lovseth

JonLovseth

10 October 2002

components

Components

Camera:

Olympus D-360L

Microcontroller:

MSP430F149

TNC:

PicoPacket

Radio:

Yaesu Vx-1R

Hamster:

for power

10 October 2002

interface

Interface

02000008FF08FF4402851234AB386510D0385610834D83180502000008FF08FF4402851234AB386510D0385610834D83180502000008FF08FF4402851234AB386510D0385610834D83180502000008FF08FF4402851234AB386510D0385610834D83180502000008FF08FF4402851234AB386510D0385610834D831805FFFF

1B5306000011020000001300

1B43060000040C0000001000

1B43060000040B0000000F00

1B4303000202000400

00

02000008FF08FF4402851234AB386510D0385610834D831805…

Fullpic3

06

05

15

06

02000008FF08FF4402851234AB386510D0385610834D83180502000008FF08FF4402851234AB386510D0385610834D83180502000008FF08FF4402851234AB386510D0385610834D83180502000008FF08FF4402851234AB386510D0385610834D83180502000008FF08FF4402851234AB386510D0385610834D831805FFFF

02000008FF08FF4402851234AB386510D0385610834D83180502000008FF08FF4402851234AB386510D0385610834D83180502000008FF08FF4402851234AB386510D0385610834D83180502000008FF08FF4402851234AB386510D0385610834D83180502000008FF08FF4402851234AB386510D0385610834D831805FFFF

02000008FF08FF4402851234AB386510D0385610834D831805…

02000008FF08FF4402851234AB386510D0385610834D831805…

Subliminal Message

10 October 2002

not so bad images

Not-so-badImages

Thumbnail

4kbytes

SQ resolution

50-64kbytes

10 October 2002

slide30

MikeHoffmann

10 October 2002

ground station

Ground Station

Data received in hexadecimal

Contains header and

footer information

(must be parsed)

10 October 2002

image reception

Image Reception

Header and footer

analyzed to determine

how to process image

Remaining image data

is output as a viewable

JPEG image

10 October 2002

slide33

camera

computer

computer

chip

TNC

TNC

Demo

ZAMBONI (Space)

Ground Station

10 October 2002

jason senti

JasonSenti

10 October 2002

stk simulation

STK Simulation

  • Satellite Tool Kit:

Used for simulating

space satellite missions

  • STK provides an

analytical engine to produce 2-D map

and 3-D simulations

10 October 2002

stk simulation36

STK Simulation

3D Simulation of Launch and “P-Pod” Ejection

**Video Removed for Website Version**

10 October 2002

stk simulation37

STK Simulation

3D Simulation of ZAMBONI’s Orbit

**Video Removed for website version**

10 October 2002

katie kirchner

KatieKirchner

10 October 2002

testing

Testing

Shaker Table:

MB Dynamics C10E shaker & M6K amplifier system

10 October 2002

testing40

Testing

Cold Thermal Testing

Standard 5.0 cu. ft freezer

Desired temp: -40 C

Achievable temp: -32 C

Relay equipped for

DAQ card control

10 October 2002

testing41

Testing

Vacuum Chamber

  • Custom built with acrylic
  • 5.5” inside diameter
  • Over 700 lbs of force on

blind plates

  • Can achieve vacuum of less

than 0.2 inches of mercury

10 October 2002

slide42

AIAA

American Institute of Aeronautics and Astronautics

Unites UND Aerospace, Space Studies,

and Engineering students

Access to UND Student Organization funding

Tentative UND AIAA Student Branch, January 2003

10 October 2002

chris schmidt

ChrisSchmidt

10 October 2002

slide44

USSS

2002 University Space Systems Symposium

November 8-10, 2002

University of Hawaii-Manoa

Attendees:

Jon Fargo

Jon Lovseth

Chris Schmidt

Jason Senti

Chang-Hee Won

10 October 2002

cubesat benefits

CubeSat Benefits

Low cost

Workforce training

Recruitment

New space technology

Educational outreach

Challenging, motivational, educational

10 October 2002

special thanks

Special Thanks

Dr. John Ettling, V.P. of Academic Affairs and Provost

Prof. Arnie Johnson, Chair of Electrical Engineering

Dr. Donald Moen, P.E., Chair of Mechanical Engineering

Dr. John Watson, Dean School of Engineering and Mines

Dr. Shanaka de Silva, North Dakota Space Grant

Intercollegiate Academics Fund (VPAA’s Office)

10 October 2002