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© SSTL
Sir Martin Sweeting OBE FRS FREng
Executive Chairman, SSTL
Director, Surrey Space Centre
Space at Surrey
SpacePLAN 2020 , Guildford, 27 February 2014
© SSTL
Space is part of our everyday lives…
The use of space is expanding …and in the last decade has
become an essential infrastructure for our national economies,
well-being and security…. and in contributing to international
efforts on the environment and climate.
Communications Timing Agriculture Disasters
© SSTL
Surrey: Changing the Economics of Space
Rapid-response small satellites
using advanced terrestrial (COTS) technology
Credit
OHB
© SSTL
Satellite Engineering Research
Surrey Space Centre – University of Surrey
~100 academic researchers specialising in space engineering, small satellite
techniques & academic training (MSc, PhD) since 1979
© SSTL
5
Multi-disciplinary research
– Planetary Environments, Instrumentation
– Nano-Satellites, Pico-Satellites & Aerobots
– Astrodynamics & Propulsion
– Embedded Systems, Data Handling and
Communications
– Space Vehicle Attitude & Orbit Control Systems
– Signal Processing, Navigation and GPS
– Remote Sensing Applications
– Space Robotics, Rovers, In-Orbit Servicing
– RF Systems, Antennas and Radar (SAR)
– Autonomy, Artificial Intelligence and Biomimetics
Over-the-horizon research
© SSTL
6
Mobility Systems/Robotics – Bio-inspired drill for planetary missions
– RDV and Docking/ Teleoperation, on-orbit servicing
– Mars Unmanned Aerial Vehicle (UAV)
– ESA and PPARC funded ExoMars rover studies
– Micro-Rovers, traction control, tracked and legged vehicles
– Entry Descent and Landing systems (EDLS)
Control, Autonomy, intelligence, Communications – Advanced OBDH and ISL (laser and RF) technology;
intelligent motes, network comms.
– Rover Navigation and Control, Machine Vision Systems
– Autonomy, AI algorithms
– Formation flying
– Precision pin-point landing
Micro-Instrumentation
Robotic Exploration
© SSTL
TT to Medical, Energy, Nuclear,
Defence…
Biomimetic Mechanisms
Modern Control
Theories
Robot Soil Interaction
Enabling Technologies
Visual Navigation
Autonomy & Modelling
Space Vehicles Wasp Drill
Rovers
Robot Arms
Pene-trators
Space & non-Space Missions
the Moon, Mars, Small
bodies, beyond
EO Self-inspection,
Debris Removal
STAR Laboratory
Prof Yang Gao
Dr Mini Saaj
© SSTL
Earth Observation, Earth Science and Space Science
– GPS Reflectometry for sea-state monitoring
– Hyperspectral remote sensing instrument for vegetation
stress monitoring
– Investigation into low-cost, low-mass Infra-Red optical
systems
– Development of a spaceborne low-cost Ozone monitor, and
analysis of its flight results
– Low cost Ozone and SO2 monitoring
– Miniature radiation monitors, environment and effects
research
– Development of bi/multi-static SAR L-/X-band mission
concepts
– Development of Topside ionospheric sounding concepts
– SAR Image processing and interpretation
– Intelligent on-board image processing for change detection
– Feature detection through image sequences
– Electronic Intelligence payloads
– Small smart antennas for GNSS
EO & Space Science
Dr Raffaella
Guida
Prof Craig
Underwood
© SSTL
Formation Flying, Swarms
– ISLs and Distributed Intelligence
– Optimal Deployment and Maintenance strategies
– Sparse Aperture Arrays
– Space Science Swarms
– Formation Flying
– Collision detection/avoidance
– EO Imaging Campaign Scheduler using Ant Colony
approach
Structures & Mechanisms
– Structural integrity
– Ultra-stable structures
– Microvibrations
– Space mechanisms
– Multi-functional strictures
Astrodynamics
Dr Phil Palmer
Prof ‘G’ Aglietti
© SSTL
Space Vehicle Control
– CMGs for Agility/Stability
– Combined Attitude Control/Energy Storage
– Underactuated Control
– EM Levitation, Magnetic Bearings
– Optical Laser ISL Control
– Quad-Rotor Aerobot
– Solar Sails/Kites
– Electrostatic Formation Flying
– Lorentz Force Formation Flying
– Debris mitigation & reduction
Space vehicle control
Prof Vaios Lappas
© SSTL
11
On-Board Data Handling Systems
– Distributed Computing for Satellite Clusters
– Reconfigurable System-on-a-Chip
– SPACEWIRE, Robust Architectures
– Optimisation of IEEE 802.11 for ISLs
CubeSat, PalmSat, PCBSat
– Development of CubeSat/PalmSAT
– PCBSat swarm
– Spacecraft-on-a-Chip
Space Radiation Effects
– In-orbit radiation induced effects
– Space weather
Electric Propulsion
– Resistojets, Hybrids
– PPT Thruster
– Hollow Cathode Thruster
– Helicon Double Layer Thruster
– Field Emission Electric Thruster
Communications
Dr Chris Bridges
Keith Ryden
Dr Aaron Knoll
© SSTL
and in 2013 … STRaND-1
STRaND nanosatellite (4.3 kg)
On-board
SmartPhone
launch 25th Feb’13
from Sriharikota,
India
Electric Pulsed Plasma
Thrusters
Water Alcohol Resistojet
Surrey Training, Research and Nanosatellite Demonstration
Joint SSC-SSTL research mission
© SSTL
next CubeSail …
SSTL mission to demonstrate solar sail deployment, solar sailing and
de-orbiting technology for debris removal using a STRaND nanosatellite
as the core spacecraft.
Unique sail ACS and sail deployment mechanism
developed by SSC
© SSTL
SSC R&D programme with CalTech and NASA/JPL to demonstrate autonomous in-orbit robotic assembly and reconfiguration of a multi-mirror space telescope
“Mirrorcraft” based on STRaND nanosat with RDV and docking technology
Next generation space telescopes
© SSTL
SSTL: Operational Smallsat Missions
SSTL: spin-out from University of Surrey (1985) – now owned by Airbus (2009)
Small satellites for operational missions (SSTL) and services (DMCii)
Design, manufacture, integration, test, launch services, orbital operations
(615 staff – 3 locations in UK – SST-US subsidiary)
Real synergy of academic research and commercial exploitation
© SSTL
Surrey: 41 small satellites - in 31 years
DELTA ARIANE TSYKLON ZENIT SS18/Dnepr COSMOS ATHENA SOYUZ PSLV ATLAS
41 Satellites launched
19 new satellites
27 new payloads
200+ satellite-years ops
100% mission success
over last 15 years
© SSTL
SSTL’s Primary Products & Services
SSTL-100 wide area imaging
SSTL-150 high res imaging
SSTL-300 high performance
Global network of ground stations
Bus equipment rapid custom
platform design
Optical, RF payloads and
geostationary comms
© SSTL
Navigation/Timing Constellations
SSTL
GIOVE-A: first Galileo satellite to secure
frequency allocations for Europe’s navigation
system
Built by SSTL in 30 months and €30M;
launched on time; 660kg; use of COTS
7 years operations in MEO – exceeding its 2.5
years planned lifetime
© SSTL
GALILEO: FOC for EU/ESA
OHB + SSTL
GALILEO Full Operational
Constellation
22 satellites
SSTL navigation payloads
OHB platforms
Delivery for launch in 2014-15
© SSTL
Novel International Collaboration – 6 countries
Individual satellite ownership
Collaborative operation
Data sharing and exchange
Daily imaging worldwide (600km swaths)
National, disaster and commercial use
International Constellation: DMC
Disaster Monitoring Constellation
© SSTL
DMC Key Applications
Disaster Response
Forest Monitoring
Precision Agriculture
© SSTL
High resolution imaging (4m GSD)
Courtesy
21AAT
©SSTL
2.5-metre GSD panchromatic (NigeriaSat-2 Dubai)
Courtesy
NASRDA
©SSTL
2.5-metre GSD pan-sharpened m/s (NigeriaSat-2)
Courtesy
NASRDA
©SSTL
Commercial business
providing EO services
through DMCii
1-metre GSD very high resolution EO
imaging constellation
4 satellites being manufactured for
launch in 2014-15
21AT in Beijing is DMCii’s primary
customer for DMC3 to provide a high
resolution EO service
Next generation EO services…
©SSTL
Low-Cost (£45M) S-band SAR satellite
Maritime surveillance
De-forestation, flood monitoring
4 Modes: 6-30m resolution
Airborne demonstrator flown
400kg – ready in 2015
SSTL & ASTRIUM UK
Constellation to complement DMC
Radar remote sensing: NovaSAR
NovaSAR
Day/Night and All-Weather monitoring
©SSTL
2500kg launch mass
Payload mass: up to 450kg
Power: up to 4.5kW
6 active Ku-band transponders
72MHz channels
Design Life: 15 years
Autonomous operations
Reprogrammable on-board software
Capability for multiple repositioning
End of life disposal
Small Geostationary Communications Satellite
GMP-T
©SSTL
Changing the Economics of Space