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Delft University of Technology

A Pico-Satellite Design to Demonstrate Trajectory and Science Applications

Uludag, M.S.; Speretta, S.; Menicucci, A.; van den Bos, M.F.; Broekhuizen, C.H.; Bielders, M.J.M.; Haenen, J.; Gill, E.K.A.

Publication date 2020

Document Version Final published version Citation (APA)

Uludag, M. S., Speretta, S., Menicucci, A., van den Bos, M. F., Broekhuizen, C. H., Bielders, M. J. M., Haenen, J., & Gill, E. K. A. (2020). A Pico-Satellite Design to Demonstrate Trajectory and Science Applications. Poster session presented at 34th Annual Small Satellite Conference, .

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(2)

Assembly

, integration an

d test

ing

Abstrac

t:

A

Pico-Sat

ellite Design to

Demonstrat

e

T

rajectory and

Science

Applicat

ions.

Delfi-P Q .

Delfi-P

Q Characterist

ics

Referen

ces

Delfi-P Q Flatsat 1) Bouw meester , J, Radu, S, Uludag, S, Chr onas Fotei nakis, N, Spere tta, S, Menicu cci, A

& Gill, E 2018, Con

dititions and Potential Appl ications for P ocketQubes. in Proce edings S mall S atellites, System & Servi ces Sympo sium, Sor rento, Italy , 28/05/18. 2) Ulud ag, S, Y akut, E, Sper

etta, S, Radu, S, Chrona

s Foteinakis, N, Bou wmeester , J, Menicu cci, A

& Gill, E 2019, Getting the Del

fi-PQ Read

y for Multipl

e Launch Option

s. in

Proce

edings of the Intern

ational S ymposiu m on Spa ce Techn ology and Science, Fuku i (Japan ), June 15th-21st, 2019 ., 2019-f-08, Internation al Symp osium on Space Techn ology and Science, Fukui , Japan, 15/06/19. 3) Bou wmeester , J, Radu, S, Uludag, MS , Chronas, N, Spe retta, S, Menicucci , A & Gill, EKA 2020, 'Utili ty and constrain ts of PocketQubes', CEA S Space Jou rnal. https://doi.org/10.100 7/s12567- 020- 00300-0.

Space S

ystem Engi

neeri

ng Section

,

Depar

tment of Space E

nginee

ring,

TU Delft (The

Netherla

nds)

The s tandar dized stac king c on fi gur ation, sm all stru ctur e as well as the a bsence of connec tors enables to in tegrate the P ock etqube in about 30 minu tes. Aside fr om the assembly an d integrat ion, an automat ed, small sc ale test setup is

also being developed. Th

is setup cr eates a n un inter rupted, r emotely acc essible and eas y to car ry test envir onment to cont rol the fun ctionality of a

satellite for a long

durat ion. Unit testing w as perfor med at har dwar e level and fu ll har dwar e-in-th e-loop simulation h as been used t hr oughout the development pr ocess to ver if y system funct ionality and c ompliance t o mission requir ements . F ully aut omated test enables th e possibility to test th e satellite c ontinuou sly . A halogen lamp is being us ed as a light sour ce to supply power to the s

atellite via the

solar panels.Th e inhibit s witches (kill switc hes an d remove befor e fl ight pins) w er e tested as well. Del fi -PQ will be laun ched in December 2 020 with the Space-X Falcon-9 launc her fr om the K ennedy Space C enter in Cape Cana veral. It will integra ted in th e Albapod

deployer, developed by Alba Orbital, wh

ich c an c ar ry u p to 6p P ock etQubes. Del fi -PQ will be injected int o a Sun -Synch ronous cir cular orbit of ~500 km. T he satellite has been equ ipped with four laser cor ner -cube re fl ect ors to

allow being tra

ck ed by the Inter national Las er R anging Service, pr oviding a furt her independent estimation with respect to the s atellite position derived fr om the on -boar d GPS.

Mehmet Sevk

et Ulud

ag*

, Stefano Sper

etta,

Alessandra

Menicu

cci,

Casper

Br

oekhuizen

,

Michael va

n den

Bos, Maxime Bielders,

Jasper Ha

enen,

Eber

har

d Gill.

*

Corr

espond

ing

auth

or ema

il: M

.S.U

luda

g@tu

delft.

nl

Albap od deplo yer This paper pr esents the des ign, integr ation an d testin

g of a pico satellite, Del

-PQ, a 3

P P

ock

etQube developed by Delf

t Un iversity of T echn ology, e xpected t o be launc hed at the en d of 2020. The m

ain goal of this pr

oject is cr eating a miniatur ized platfor m for futu re space m issions with perfor manc es compa rable to C ubeSats, takin g advanta ge of the min iaturiza tion of electr onic compon ents a nd th eir integr ation. Edu cation of aer ospace engineerin g studen ts is a second

key goal of the pr

oject, wh er e stu dents in volved in the pr oject as pa rt of th eir cur ricular act ivities.

Launch

Laser r eflectors hol der

Del

-PQ meas

ur

es

50X50X

178mm

and

has

maximum

weight of 750

grams.

All the c

ritical

subsyst

ems ar

e inclu

ded in

this c

on

ned

for

m fact

or

:

electrica

l power syst

em

(solar pan

els, batt

ery), on

-boar

d compu

ter, a

ttitude

deter

mination a

nd con

tr

ol

(with 3

axis magn

etor

quers)

and c

ommunic

ation syst

em

all compliant w

ith th

e PQ

-9

Standar

d.

Orbit aver

age available power

is

appr

oximately 1 W

att,

requiring

a better

ener

gy e

cienc

y with

respect

to

CubeSat

s. Del

-PQ has

been equ

ipped

with a

miniatur

ized GPS r

eceiver wh

ich is

expected t

o pr

ovide a position ac

cur

acy

better t

han

10 m.

In futu

re, a sw

ar

m of

Pock

etQubes c

ar

rying GP

S

receivers

can

be used for

atmospher

ic dens

ity

estimation by

relative

position measu

rements

between t

wo satellites

located in c

lose pr

oximity

.

On-boar d compu ter 3-axis m agnetotor quers

Cytaty

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