Verhaert Innovation Day 2012 – Jef Van Hove (VERHAERT) - Proba-V satellite structure design &...

© Copyright QinetiQ Limited 2010

PROBA-V satellite structure

CONFIDENTIAL

Jef Van Hove

VERHAERT

[email protected]

October 26th 2012 Slide 1

© Copyright QinetiQ Limited 2010 2

• Introduction to PROBA(-V)

• Structural Design Process

• Structural verification by test

• Integration

Contents


PROBA: PRoject for On-Board Autonomy

Largely Autonomous during Nominal mission

• Navigation (AOCS)

• Intern Power en Data Management

• Data down-link

• User segment access to date via FTP

Technology demonstration

PROBA1: Earth Observation

PROBA2: Sun Observation

3


PROBA diagram

4


PROBA-V(egetation) mission

5

• PROBA-V is a “gap-filler” mission for SPOT

• Target: Map the Earth’s vegetation every 2 days

• Orbit is driven by performance

• Global coverage

• Minimum Swath width 2250km

• LTDN 10:30 - 11:30

Altitude 820 km ± 10 km

Eccentricity 0

Inclination : Sun-Synchronic Orbit


Spacecraft System Engineer following ESA ECSS

6

Phase D(3): SAITL

Integrate Subsystems and

Verify System Performance

Phase D(2): SAITL

Integrate Components and

Verify Subsystem Performance

Pre-Phase A: Concept Studies

Mission-Level Objectives +

multiple R/A/C concepts +

Mission Validation Plan

Phase A: Concept Development

Single System-level R/A/C

+ Trade Studies + System

Verification Plan

Phase B: Preliminary Design

Subsystem-level R/A/C

+ Interfacing + complete technology

+ Subsystems Verification Plan

Phase D(4): SAITL

System Demonstration

and Validation

Phase C(2): Final Design and Fabrication

Fabric hardware and software

Phase C(1): Final Design and Fabrication

Final Detailed Design Phase D(1): SAITL

Verify Component Performance

Do

ma

in o

f E

ng

ineeri

ng

D

esig

n

Do

ma

in o

f S

yste

ms E

ng

ineeri

ng


System engineering function

7

2. Derived

Requirements

3. Architecture

/Design

4. Concept of

Operations

1. Input: Mission

Objectives (Starts Pre-

Phase A)

Output: Proceed to

next Phase, ending at

Operations (Phase E)

Other SE Functions:

6. Interfaces

7. Mission Environment

8. Resource Budgets

9. Risk Management

10. Configuration Management

11. Reviews

5.Validate and Verify




Mission driven structural requirements PROBA-V

8

Design

• Maximum re-use of PROBA-2

• Accommodation of:

− Vegetation Instrument

− Minimum 2 technology demonstration experiments

• Sufficient solar cells for positive power budget

• Primary launcher VEGA + three back-ups (volume, mass en CoG)

Mechancal/Thermal

• Survive the complete mission life-cycle

• Primary launcher VEGA + three back-ups (mechanical loads)

• Levensduur van 2.5 jaar in-orbit

• Redundant or safe-life


Launcher Input

9


Structure sub-system interfaces

10


Preliminary Design

11


Structural Analysis

12


Structural Analysis

13


Thermal Analysis

14


Thermal Analysis

15


PROBA-V Detailed Design

16


Verification by Test

17


Thermal Test Model - integration

18


Thermal Test

19


Ombouwen to Structural Test Model

20


Vibration Test

21


Vibration Test

22

• Spacecraft structure qualification

• Determine test spectra for equipment


Acoustic Test

23


Shock Test

24


Flight Model Integration – Solar Array

25


Flight Model Integration – Equipment Fit-check

26


Flight Model Integration - Harness

27


Flight Model Integration - Harness

28


Flight Model Integration

29

www.QinetiQ.be


QinetiQ Space nv

30

VERHAERT MASTERS IN INNOVATION® Headquarters

Hogenakkerhoekstraat 21

9150 Kruibeke (B)

tel +32 (0)3 250 19 00

fax +32 (0)3 254 10 08

[email protected]

More at www.verhaert.com

VERHAERT MASTERS IN INNOVATION® Netherlands

European Space Innovation Centre

Kapteynstraat 1

2201 BB Noordwijk (NL)

Tel: +31 (0)633 666 828

[email protected]

More at www.verhaert.com

VERHAERT MASTERS IN INNOVATION® helps companies and governments to innovate.

We design products and systems for organizations looking for new ways to provide value

for their customers.

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for our clients.

October 26th 2012 Slide 30

Verhaert Innovation Day 2012 – Jef Van Hove (VERHAERT) - Proba-V satellite structure design &...

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