thermal management: communications: solar ...projects.eng.uci.edu/sites/default/files/cubesat...

TEAM

MEM

BER

S

Erling

Eriksen

Ben

jamin

Soren

sen

An

thon

y Drab

eck B

aldw

in N

go

Dylan

Kao

Edu

ardo G

arciaM

icah R

aney

Ricard

o Rojas-S

alcedo

Arm

en A

vetisyan

Taekyoo Won

N

icole Alvarez

Felix Sloth

ower

Fadi S

amaan

Ad

visor: Ken

neth

Mease

GO

ALS

:To d

esign

and

bu

ild a low

cost nan

osatellite that w

ill be

laun

ched

into low

earth orb

it and

perform

a six mon

th

mission

.

We aim

to bu

ild a fram

ework for fu

ture p

ayloads from

stu

den

ts and

professors.

OB

JECTIV

ES:

·B

uild

and

operate a fu

nction

al transceiver an

d g

roun

d station

.·

Bu

ild cu

stom solar p

anels.

·M

aintain

temp

erature con

trol of critical comp

onen

ts.·

Test Cu

beS

at in lau

nch

and

operation

al environ

men

ts.·

Ing

etrate payload

into th

e Cu

beS

at desig

n an

d d

own

link exp

erimen

t data.

·C

reate an op

en sou

rce web

site for futu

re Cu

beS

at projects.

THE B

IG P

ICTU

RE:

A low

cost desig

n com

bin

ed w

ith ou

r open

source w

ebsite w

ill allow

for other p

rojects to comp

lete their m

ission m

ore easily, u

ltimately facilitatin

g th

e dem

ocratization of sp

ace.

CO

NTA

CT:

Project lead

: Erling

Eriksen

eeriksen@

uci.ed

u

Web

site: ucicu

besat.com

SO

LAR

PO

WER

:

Solar p

anels u

sing

cost effective TrisolX solar

cells will cover all fou

r sides of th

e Cu

beS

at an

d th

e top to rech

arge ou

r Lithiu

m Ion

B

atteries. These solar cells alon

g w

ith th

e b

attery man

agem

ent w

ill provid

e consisten

t an

d lastin

g p

ower to all su

bsystem

s for the six

mon

th m

ission.

CO

MM

UN

ICA

TION

S:

A P

Q9

ISH

transceiver b

oard,

desig

ned

by th

e Libre S

pace

Foun

dation

, will tran

smit ou

r p

ayload d

ata to the S

ATN

OG

s g

roun

d station

. Usin

g th

e g

roun

d station

and

tran

sceiver, our team

will b

e ab

le to make ch

ang

es to the

payload

experim

ent rem

otely.

THER

MA

L MA

NA

GEM

ENT:

Du

ring

its orbit th

e Cu

beS

at will

un

derg

o temp

eratures ch

ang

es from

-39

to 60

deg

rees Celsiu

s. In ord

er tom

aximize th

e perform

ance of th

eb

attery, each cell m

ust stay w

ithin

-20

to 60

deg

rees Celsiu

s. To achieve

this, th

e battery p

ack will b

e wrap

ped

in a h

eating

elemen

t mad

e fromn

ichrom

e wire an

d kap

ton p

olyimid

etap

e.

PA

YLO

AD

:Th

e payload

is a variable

emissivity d

evice (VED

). The

VED

can ch

ang

e its emissivity

value to reg

ulate th

e tem

peratu

re of the C

ub

eSat

du

ring

the 9

0 m

inu

te orbital

period

.

NEX

T STEP

S:

Fall 20

19

Win

ter 20

20

Sp

ring

20

20

-Grou

nd

stationtestin

g-S

ub

systemtestin

g-

Man

ufactu

resu

bsystem

PC

Bs

-Vib

ration, th

ermal

vacuu

m, an

d sh

ocktestin

g-

Day in

the life

-Com

plete an

yred

esign

s-

Final

prep

arations for

laun

ch