Dr. Celal Sami Tüfekci Erdem Demircioğlu Turksat AS...• GEO Communication Satellite • Launch...
Transcript of Dr. Celal Sami Tüfekci Erdem Demircioğlu Turksat AS...• GEO Communication Satellite • Launch...
Copyright © 2008 Türksat AŞ
Dr. Celal Sami Tüfekci &Erdem Demircioğlu
Turksat AS
10 September 2008Prague, Czech Republic
Copyright © 2008 Türksat AŞ
AgendaShort company introductionTurksat’s satellite design and R&D goalsOutline Turksat’s satellite design activitiesCooperation and partnership opportunities via FP7
210 Sep 2008 ‐ Prague
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Company: Turksat AS“Turksat Satellite Communication Cable TV and Operation AS”Publicly owned satellite operator since 1994Divisions
Satellite OperationsCable TV & Internete‐GovernmentSatellite Design and R&DImaging (Turksat Globe)
Over 500 employees
310 Sep 2008 ‐ Prague
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Satellite OperationsSatellite Location Launch EOL
Türksat‐1C 42 1996 2008
Eurasiasat 42 2001 2016
Türksat‐3A 42 2008 2028
410 Sep 2008 ‐ Prague
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Cable TV & InternetOver 1.200.000 subscribersHigh‐speed internetDigital TV I/F ready
510 Sep 2008 ‐ Prague
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e‐Government
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ee--GovernmentGovernmentGatewayGateway
Mobile PlatformsMobile Platforms
InternetInternet
Call CenterCall Center
Digital Cable TVDigital Cable TV
CitizensCitizensCompaniesCompanies
BanksBanks
FirmsFirms
Government InstitutesGovernment Institutes
ServiceService
InformationInformation
PaymentPaymentOutside WorldOutside World
10 Sep 2008 ‐ Prague
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Partnering with Digital Globe (USA)
Quick Bird 2
World Viev 1
World Viev 2
QuickBird 2
World View 1World View 2
Turksat Globe: Current & Future Satellites
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GEO Communication Satellite Design
810 Sep 2008 ‐ Prague
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Satellite Design and R&D Goals
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Short Term Goals Organizational and Infrastructure Goals• Establish a strong systems engineering
capability in communication satellite systems design
• Establish application software development capability in communication satellite systems design
• Gain satellite system assembly, integration, and test (AIT) capability through certification
Intermediate Term Goals• Establish capability in communication
satellite subsystems integrated‐design• Participate in R&D projects
Long Term Goals• Develop a prime contractor capability in
communication satellite systems design and manufacture
• Establish the organizational structureo Managemento Processo Technical
• Recruit a Project Managers• Identify and obtaining required consulting
services• Identify and acquiring required resources
(human/financial)• Develop R&D infrastructure• Plan and build necessary facilities
o Office spaceo Labso Clean rooms
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AIT Center
Turksat is cooperating with other agencies in Turkey to build a satellite AIT CenterIt will be used for assembly, integration, and testing of communication, observation, and scientific satellites
1010 Sep 2008 ‐ Prague
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Design TeamGroup of Turksat engineers trained by Thales Alenia Space in Cannes and Toulouse
Specialized in:Data‐Handling, OBSW and AOCSMission and System AnalysisThermal ControlElectrical Power Payload and TCRStructure and Propulsion
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Satellite DesignPDR‐A level satellite design is performed by TAS supportBased on Spacebus 4000 architectureSuccessfully completed in May 2008
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General Specs• GEO Communication Satellite
• Launch at 2015
• Maneuver life time ‐ 15 years
• Payload• 16 transponders – Ku band
• 4 transponders – C Band
• Structure• Central tube based
• Max. launch mass: 2700 kg
• Propulsion• Chemical unified propulsion sys.
• LAE & 16 reaction control thrusters
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General Specs (contd.)
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• Thermal Control• Surface Mount Heat Pipes
• Conductive TWTA
• Attitude Control• Zero‐momentum Reaction Wheel
approach
• StarTracker & Gyro based AOCS
• Power Management• Li‐Ion Battery
• 4 solar panels
• Data Handling & OBSW• Leon or ERC32
• 1553B
• RTOS (COTS)
10 Sep 2008 ‐ Prague
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Coverage Area
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WEST
EAST
TURKEY
SA
TSO
FT
-4.00 -3.00 -2.00 -1.00 0.00 1.00 2.00 3.00 4.00Theta*cos(phi) in Degrees
3.00
4.00
5.00
6.00
7.00
8.00
Thet
a*si
n(ph
i) in
Deg
rees
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Payload Performance RequirementsEIRP Performance Requirements for BSS band:
50.5 dBW (West R1 coverage) 52.8 dBW (Turkey coverage)
EIRP Performance Requirement for C band:45 dBW (Turkey coverage)
G/T Performance Requirement for BSS band:3.6 dB/K (West R1 coverage) 1.8 dB/K (East R1 coverage)
G/T Performance Requirements for C band:1 dB/K (Turkey coverage)
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Payload Block Diagram
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Ku-band Payload
C-band Payload
10 Sep 2008 ‐ Prague
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TCR Block Diagram
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Structure Overview
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SB like structure approach
Primary structureCentral tube w/adaptor ringShear webs
Main structurePanels and webs to carry internal equipment
Secondary structureSupport structure for the external equipment
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GTO Configuration
2010 Sep 2008 ‐ Prague
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Main Dimensions
2110 Sep 2008 ‐ Prague
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Launcher Envelope
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CM North Panel Layout
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EPC and CAMP
Shear web
SADM
Ku band TWT
8 Ch Ku band OMUX
10 Sep 2008 ‐ Prague
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CM South Panel Layout
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C band TWT
4 Ch C band OMUX
TCR
Switches
Heat pipe network
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SM South and North Panels
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Li-Ion Battery
PCU
PFLDIU
BCRB
PCU
SMU
GYRO
Heat Pipe Network
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EPS Block Diagram
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AOCSP = Attitude and Orbit Control System PcbSADM = Solar Array and Drive MechanismBCR = Battery Charge RegulatorBCRB = Battery Connection Relay BoxBDR = Battery Discharge RegulatorCVICP = power ConVerter data bus Insulation and Core PcbDHP = Distribution and Heater PcbFSMP = Full Step Motor PcbHPDP = High Power Distribution PcbLMU = Li-Ion Management Unit (Li-Ion batteries)MAP = Matrix Acquisition and Command PcbPCU = Power conditionning UnitP/F = PlatformP/L = PayloadPFLDIU = P/F and P/L Distribution and Interface UnitPROP = PROpulsion electronic PcbPYP = Pyrotechnic PcbSMU = Satellite Management UnitSTE = Satellite Test Equipment
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Tanks Layout
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Main Engine
Pressurant (He) Tank
MMH Tank
MON Tank
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Data Handling Hardware Block Diagram
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OBSW Architecture
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PROCESSOR(ERC32 or LEON)
HARDWARE INTERFACES(OBDH, 1553B Data Bus Interfaces)
HW DRIVERS
REAL TIME OPERATING SYSTEM(COTS, OUTSOURCED or IN-HOUSE solutions)
PLATFORM SERVICES(Telecommand, Telemetry, Failure Detection and etc.)
AOCS SW Battery Management SW
Thermal Management SW
ON BOARD SOFTWARE ARCHITECTURE
APP
LIC
ATI
ON
SW
OPE
RA
TIN
GSY
STEM
10 Sep 2008 ‐ Prague
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AOCS Harware Block Diagram
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STR1 STR2 GYRO1 GYRO2
CCUPROPPCB
CSS2CSS1
UPS RW1 RW3RW2 RW4
AOCSPPCB
CSS Electronics
1553
SODERN: 3 axis meas. in inertial frame.
1 Nominal+1 Redundant
TNO/TPD: 4 cells 2 axes.Internally Redundant
1 Nominal+1 Redundant
HONEYWELL: 3 axis meas. in inertial frame.
1 Nominal+1 Redundant
TELDIX: 12 Nms each.3 Nominal+1 Redundant
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System Level Design Work PerformedMission analysisPropellant budgetMechanical layoutThermal analysisLink budget analysisPower budgetBattery sizingSolar array sizingPointing Budget...
3110 Sep 2008 ‐ Prague
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Cooperation and Partnership via FP7We are in the process of establishing:
A strong infrastructure with satellite AITR&D infrastructure: labs & clean rooms
We are capable of communication satellite designA strong technical teamPlans for growth
Ideas for potential projects:General: Ready to offer engineering workGMES ComSat applicationsElectric propulsion projects
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Thank You
3310 Sep 2008 ‐ Prague