Post on 20-Jan-2016
DINO PDR April 21, 2023
DINO Systems Team
Jeff Parker
Anthony Lowrey
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Big Picture
• Assure that DINO’s design meets all of DINO’s objectives
• DINO’s Mission Objectives:– DINO will demonstrate deployable structures for
nanosatellites– DINO will demonstrate onboard intelligent operations – DINO will measure cloud heights from space using a
stereoscopic imaging technique– DINO will provide educational support for K-12 and
college-level students
Colorado Space Grant Consortium
DINO PDR April 21, 2023
System Requirements
• The spacecraft system shall meet its Mission Objectives Requirements– Deployable objectives
– Intelligent operations objectives
– Science objectives
– Education objectives
• The spacecraft system shall meet its Operational Requirements– Survive launch
• Launched in a Space Shuttle
– Operate in space for 12 months
– Two-way communication between the spacecraft and ground for the full mission duration
– Full support from mission operation control center for mission duration
Colorado Space Grant Consortium
DINO PDR April 21, 2023
System-Level Tasks
• Keep the entire system on-track• Ensure that all deadlines are met• Ensure proper communication
– Between subsystems– With Industry/Academic supporters
• Ensure proper safety in each of DINO’s phases– Design, construction, integration, testing, transportation, and delivery
• Design, build, test all interfaces– Subsystem communication interfaces– Integration and test fixture– Ground support equipment
• Provide and manage all necessary documentation• Support all subsystems
Colorado Space Grant Consortium
DINO PDR April 21, 2023
System Tools
• Requirement Document– DINO’s Objective- and Operational-level requirements– System-level requirements– Subsystem-level requirements
• Design Documents– System Spreadsheet– TPS Reports– Electrical Interface Agreement Document (EIAD)
• Communication– Subsystem to subsystem– Industry/Academic supporters
• Budgeting– Mass– Power
• Control of DINO’s design iterations
Colorado Space Grant Consortium
DINO PDR April 21, 2023
System Functional Diagram
Imaging
Cam A Cam B
Legend
USB
ADCSTR1
TR2
TR3
MAG
Sun Sensors
x6
Rate Gyro x3
Data Bus
Power Lines
Thermal
+5V Line
+/-12V Line
MLI Blkts
Therm x30
Data Line
Comm
TxAnt / Radio / TNC
Ext TNC
Serial / I2C
C&DH
Flight Computer
Interface Board
Wireless
Power
Li-Poly Battery
+15V Unreg. Line
+28V Line
Prim SA
Body SA PCB
Mechanisms
EMC Hinges x4
HOP
Tip-Mass Upper LB
Tip-Mass
TM Cam
TMComm
Battery
Tether Release
Mech
TM Lower
LB
PCB
MicroProc
IB
RxAnt / Radio / TNC
Tip-MassAnt / Modem
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Daytime Operations Diagram
Imaging
Cam A Cam B
Legend
USB
ADCSTR1
TR2
TR3
MAG
Sun Sensors
x6
Rate Gyro x3
Data Bus
Power Lines
Thermal
+5V Line
+/-12V Line
MLI Blkts
Therm x30
Data Line
Comm
TxAnt / Radio / TNC
Ext TNC
Serial / I2C
C&DH
Flight Computer
Interface Board
Wireless
Power
Li-Poly Battery
+15V Unreg. Line
+28V Line
Prim SA
Body SA PCB
Mechanisms
EMC Hinges x4
HOP
Tip-Mass Upper LB
Tip-Mass
TM Cam
TMComm
Battery
Tether Release
Mech
TM Lower
LB
PCB
MicroProc
IB
RxAnt / Radio / TNC
Tip-MassAnt / Modem
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Nighttime Operations Diagram
Imaging
Cam A Cam B
Legend
USB
ADCSTR1
TR2
TR3
MAG
Sun Sensors
x6
Rate Gyro x3
Data Bus
Power Lines
Thermal
+5V Line
+/-12V Line
MLI Blkts
Therm x30
Data Line
Comm
TxAnt / Radio / TNC
Ext TNC
Serial / I2C
C&DH
Flight Computer
Interface Board
Wireless
Power
Li-Poly Battery
+15V Unreg. Line
+28V Line
Prim SA
Body SA PCB
Mechanisms
EMC Hinges x4
HOP
Tip-Mass Upper LB
Tip-Mass
TM Cam
TMComm
Battery
Tether Release
Mech
TM Lower
LB
PCB
MicroProc
IB
RxAnt / Radio / TNC
Tip-MassAnt / Modem
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Safe Mode Diagram
Imaging
Cam A Cam B
Legend
USB
ADCSTR1
TR2
TR3
MAG
Sun Sensors
x6
Rate Gyro x3
Data Bus
Power Lines
Thermal
+5V Line
+/-12V Line
MLI Blkts
Therm x30
Data Line
Comm
TxAnt / Radio / TNC
Ext TNC
Serial / I2C
C&DH
Flight Computer
Interface Board
Wireless
Power
Li-Poly Battery
+15V Unreg. Line
+28V Line
Prim SA
Body SA PCB
Mechanisms
EMC Hinges x4
HOP
Tip-Mass Upper LB
Tip-Mass
TM Cam
TMComm
Battery
Tether Release
Mech
TM Lower
LB
PCB
MicroProc
IB
RxAnt / Radio / TNC
Tip-MassAnt / Modem
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Mass BudgetMain Satellite Mass Budget
ADCS9%
Solar Panels
8%
Power8%
Comm5%Margin
25%
Str/Mech36%
Thermal2%
C&DH2%
Systems3%
Science2%
• Total Allocated Mass: 18.75 kg• Margin: 6.25 kg• Total Mass: 25 kg
Tip-Mass Mass Budget
Comm8%
Science9%
Systems2%
Thermal2%
Power15%Str/Mech
39%
Margin25%
• Total Allocated Mass: 3.75 kg• Margin: 1.25 kg• Total Mass: 5 kg
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Power Budget
Normal Operating Daytime
Science5%
Comm Tx6%
Comm Rx4%
Thermal3%
ADCS13%
C&DH13%
Power31%
Margin25%
• Total Allocated Power: 22.0 W-hr• Margin: 5.5 W-hr• Total Power: 27.5 W-hr
Normal Nighttime
Comm Tx
10%
ADCS11%
Comm Rx6%
Thermal1%
Power22%
C&DH25%
Margin25%
• Total Allocated Power: 7.0 W-hr• Margin: 1.8 W-hr• Total Power: 8.8 W-hr
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Power BudgetSafe Mode
C&DH31%
Power34%
Comm Rx9%
Thermal1%
Margin25%
• Total Allocated Power: 8.0 W-hr• Margin: 2.0 W-hr• Total Power: 10.0 W-hr
Tip-Mass
Power17%
Comm45%
Imaging11%
C&DH2%
Margin25%
• Total Allocated Power: 6.7 W-hr• Margin: 1.7 W-hr• Total Power: 8.4 W-hr
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Integration and Test PlanPower
IntegrationComm.
Integration
Installationin Boxes
Verify
Verify
FunctionalTesting
SubsystemTesting
Mountingon Isogrid
Installation ofMechanisms
on Isogrid
RouteWiring
Harness
CloseStructure
FunctionalTesting
MechanismsTesting
Mount SolarPanels
Verify SolarPanels
FunctionalTesting
ElectricalIntegration
MechanicalIntegration
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Mission Mode Timeline
LaunchICU, DINODeployment
MissionActivation
TetherDeployment
FITSDeployment
AerofinDeployment
SafeMode
SafeMode
Normal DaytimeOperations
Normal NighttimeOperations
SafeMode
AttitudeStabilization
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Overall Mission Timeline
Laun
ch
ICU
Dep
loym
ent
DIN
O D
eplo
ymen
t
Mis
sion
Act
ivat
ion
Tet
her
Dep
loym
ent
FIT
S D
eplo
ymen
t
Aer
ofin
Dep
loym
ent
Nor
mal
Sci
ence
Ope
ratio
ns
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Launch Phase
Sys
tem
Che
ck
Laun
ch
ICU
Dep
loym
ent
from
Orb
iter
DIN
O
Dep
loym
ent
Mis
sion
A
ctiv
atio
n
ICU
Sep
arat
ion
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Mission Activation Phase
Mis
sio
n A
ctiv
atio
n
Po
wer
Up
Orbit
SunlitEclipse
Flig
ht S
yste
m P
owe
r up
Flig
ht C
ompu
ter
Pow
er U
p
Po
we
r S
yste
m A
ctiv
ate
d
Com
m,
Th
erm
al,
AD
CS
Po
we
r U
p
Sys
tem
Hea
lth C
heck
AD
CS
Act
ivat
ion
Co
mm
un
icat
ion C
omm
In
itia
lizat
ion
Bea
con
Tra
nsm
issi
on
Gro
und
Com
mun
icat
ion
Dep
loym
ent
Ph
ase
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Deployment Phase
Tet
her
Dep
loym
ent
Orbit
SunlitEclipse
Tet
her
Sys
tem
Hea
lth C
heck
Att
itude
Sta
biliz
atio
n C
hec
k
Tet
her
Dep
loym
ent
Gro
und
Com
mun
icat
ion
Tip
-Mas
s P
ower
Up
Tip
-Mas
s H
ealth
Che
ck
Tet
her
Sys
tem
Hea
lth C
heck
Tet
her
Im
age
Acq
uisi
tion
and
D
own
link
Gro
und
Com
mun
icat
ion
Tip
-Mas
s P
ower
Do
wn
AD
CS
Sta
bili
zati
on
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Deployment Phase
FIT
S D
eplo
ymen
t
Orbit
SunlitEclipse
Att
itude
Sta
biliz
atio
n C
hec
k
So
lar
Arr
ay A
ctiv
atio
n
FIT
S D
epl
oym
ent
Gro
und
Com
mun
icat
ion
Tip
-Mas
s P
ower
Up
Tip
-Mas
s H
ealth
Che
ck
Flig
ht S
yste
m H
ealth
Che
ck
Tip
-Mas
s Im
age
Dow
nlin
k
Gro
und
Com
mun
icat
ion
Tip
-Mas
s P
ower
Do
wn
Tip
-Mas
s Im
age
Acq
uisi
tion
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Deployment Phase
Aer
ofi
n D
eplo
ymen
t
Orbit
SunlitEclipse
Att
itude
Sta
biliz
atio
n C
hec
k
EM
C H
inge
Dep
loym
ent
Gro
und
Com
mun
icat
ion
Tip
-Mas
s P
ower
Up
Tip
-Mas
s H
ealth
Che
ck
Flig
ht S
yste
m H
ealth
Che
ck
Tip
-Mas
s Im
age
Dow
nlin
k
Gro
und
Com
mun
icat
ion
Tip
-Mas
s P
ower
Do
wn
Tip
-Mas
s Im
age
Acq
uisi
tion
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Science Operations Phase
No
rmal
Op
erat
ion
s
Orbit
SunlitEclipse
Att
itude
Sta
biliz
atio
n
Sci
ence
Im
age
Acq
uisi
tion
Gro
und
Com
mun
icat
ion
Flig
ht S
yste
m H
ealth
Che
ck
Bat
tery
Cha
rgin
g
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Safety
• Current Progress– Safety designs incorporated into PDR design– Good knowledge for what safety aspects must be included
• Next Step– Safety courses in September
• Safe parts-manufacturing
• Safe handling of electrical components
• Buddy System!
– Prototyping
• Future Plans– Follow DINO’s safety regulations
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Subsystem Risk Assessment
AD
CS
C&
DH
Com
m
Imaging
Mechanism
s
Pow
er
Softw
are
Structures
Therm
al
Tip-M
ass
Overall P
rogram
Assessm
ent
Performance
Schedule
Cost
Safety
Testing
Manpower
Facilities
Overall Subsystem Assessment
= low risk
= medium risk
= high risk
= N/A
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Contingency PlansRisk Level Responsible Party Contingency Plan
FITS delivery failure High Systems Team Increase efficiency of body-mounted cells; double-deployment of aerofins
EMC hinge / aero-fin delivery Med Systems Team Eliminate aerofins
Body-mounted solar panel delivery
Med Power Purchase through / provided by other vendor
Power system delivery Med Power Implement in-house design of power system
Tether deployment failure Med Str/Mech Use magnetic torque rods as primary ADCS control
FITS deployment failure Med Str/Mech Go into low-power mission mode
Tether stability, orientation failure
High ADCS Go into failed-stability mission mode; cut tether
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Issues and Concerns
• Mass– Structures / Solar Panels do not have enough mass allocated to
them– Others are swiftly approaching mass limits
• Power– Loss of structural size – less room for body-fixed solar panels– Increased mission activation / deployable timeline– Close to budget
• Complete all trade studies– Comm antenna– Science imaging design– Spacecraft configuration (FITS arrays locations)
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Appendix
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Mass Budget
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Power Budget
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Power Budget Cont.
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Power Budget Cont.
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Tip-Mass Power Budget
Colorado Space Grant Consortium
DINO PDR April 21, 2023
Design Deadlines
Trade Study 75% Confidence Date
Deadline
Comm Antenna Design Sept 1st Sept 8th
Imaging Camera Design Aug 18th Sept 1st
Flight Configuration