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European Space Mechanisms and Tribology Symposium
University of Hertfordshire, United Kingdom
20th-22nd September 2017



Welcome and Introductiosn

09:00 Welcome, General Information, Programme: M. Gittins, Airbus Defence and Space (UK)
09:10 Welcome from ESA: L. Gaillard, ESA-ESTEC (The Netherlands)
09:20 Welcome from UK SA: G. Turnock, UK Space Agency (UK)
09:45 Welcome from Tim Peake (via Skype): ESA British Astronaut

Session 1

In-Orbit Experience

Chair: C. Compostizo, SENER (Spain)
10:00 In-Orbit Maintenance of the Rosetta Reaction Wheels (RWAs)
10:20 Health Monitoring for Spacecraft Reaction Wheels
10|:40 Delayed Releases on Orbit - One Solved, One not Solved
11:00 New Understanding of Hubble Space Telescope Gyro Current Increase Led to a Method to Save a Failing Gyro
11:20 BREAK (Tea & Coffee in Atrium)

Session 2

Shutter Mechanisms

Chair: T. Knodel, RUAG Space (Switzerland)
11:50 Bi-Stable Shape Memory Alloy Shutter Mechanism Verification by Test
11:50 Bi-Stable Shape Memory Alloy Shutter Mechanism Verification by Test
12:10 The EUCLID VIS Read-Out Shutter Unit: A Low Disturbance Mechanism at Cryogenic Temperature
12:30 Sealing Cap for METIS Instrument in Solar Orbiter FDM Subsystem
12:50 LUNCH BREAK (Comet Room)
Afternoon Sessions' Authors' Preparation (Restaurant de Havilland)
Time Paper Title

Session 3

Calibration & Refocus

Chair: R. Edeson, Thales Alenia Space (UK)
14:10 Full Aperture Diffuser Assembly, Fully Redundant and High Reliable Optic Mechanism for EnMAP Mission
14:30 Refocusing Mechanism for MeteoSat 3rd Generation
14:50 Development Challenges of a Focus Mechanism Design for ExoMars Mission Submitted to the Harsh Martian Environment and Utilizing Off-the-Shelf Equipment
15:10 S3/OLCI and S4/UVN Calibration Mechanisms
15:30 Euclid M2 Mirror Mechanism
15:50 BREAK (Tea & Coffee in Atrium)
Time Paper Title

Session 4

Pointing & Scanning #1

Chair: M. Ferris, Surrey Satellite Technology Ltd (UK)
16:20 GOCI II Pointing Mechanism Development
16:40 Development, Qualification & Manufacturing of Antenna Pointing Mechanism Rotary Actuators
17:00 Encoder In-Orbit Calibration of the MTG Scanner
17:20 High-Bandwidth & Compact Fine Steering Mirror Development for Laser Communications
Time Paper Title

Session 5

Pointing & Scanning #2

Chair: M. Thiel, OHB (Germany)
9:00 Design and Test of a Scan Mechanism for Microwave Imaging Instruments
9:20 MetOP Scan Mechanism (SCM) Development
9:40 Pointing Performance Simulation and Correlation of the Sentinel-4 Scanner Subsystem
10:00 High Temperature Electromagnetic Actuator and Sampling Drill for Venus Exploration
10:20 44th AMS and ESMATS 2019 Announcements
Time Paper Title

Session 6

Tribology & Long Life

Chair: M. Dube, NASA (USA)
11:20 Development of Advanced Lubricants for Space Mechanisms Based on Ionic Liquids
11:40 Space Grease Tribological Behaviour for Reformulation: Numerical and Experimental Investigations
12:00 Additively Manufactured and Topologically Optimised Compliant Mechanisms: Technological Assessment Approach, Latest Achievements and Current Work in Progress
12:20 Adhesion Measurements in MoS2 Dry Lubricated Contacts to Inform Predictive Tribological Numerical Models: Comparison between Laboratory-Tested Samples and Ball Bearings from the NIRISS Mechanism
12:40 Space Cooler Developments at Thales Cryogenics to Flight Tribological Failure Phenomena
13:00 LUNCH BREAK (Comet Room)
Afternoon Sessions' Authors' Preparation (Restaurant de Havilland)
Time Paper Title

Session 7


Chair: C. Allegranza, ESA - ESTEC (The Netherlands)
14:00 Development of a Mechanism for Space from a Newcomer’s Perspective
14:20 Design and Analysis of a Novel Flexible Compliant Joint for Space Mechanisms
14:40 Torque Enhancement of Dry Lubricated Harmonic® Drive Gears
15:00 Development and Testing of a High Temperature Shape Memory Actuator Using CN-250X for Hold Down and Release Mechanisms (HRM)
15:20 BREAK (Tea & Coffee in Atrium)
Time Paper Title

Session 8

Booms & Deployment Mechanisms

Chair: J. Murer, Kongsberg (Norway)
16:10 A Novel Hold Down & Release Mechanism Using Hook & Loop Technology for Small Deployable Arrays
16:30 LP-PWI Deployable Boom for the JUICE Mission – Innovative Features and Breadboard Model Development
16:50 BEAGLE 2 – A Retrospective Look at the Beagle 2 Mechanisms Following Evidence of Successful Deployment
17:10 Alignment of an Ultra-stable Articulated Deployment System for Antennas
17:30 Solar Orbiter Instrument Boom Subsystem
Time Paper Title

Session 9

Various Mechanism Topics

Chair: K. Hullah, Reliance Precision Ltd (UK)
9:00 Design and Implementation of the Lightweight Advanced Robotic Arm Demonstrator (LARAD)
9:20 Design, Development, Qualification and Delivery of the Solar Array Drive Assembly (SADA) for BepiColombo Mercury Transfer Module (MTM)
9:40 Lean Production and Industrialisation of Space Mechanisms
10:00 “Backlash-Free" Gas-Tight High Precision Sample Handling Mechanisms – Lessons Learned from Qualification Testing & Design and Lessons Learned of the Core Sample Handling Mechanism (CSHS) on the ExoMars 2020 Rover
10:20 BREAK (Tea & Coffee in Atrium)
Time Paper Title

Session 10

Micro Vibration

Chair: I. Rathband, Airbus Defence and Space (UK)
10:50 Concept Assessment for a 2-Collinear-DoF Strut Prototype with Embedded Electromagnetic Shunt Dampers
11:10 Jitter Characterization in Space Mechanisms
11:30 Test & Inspection Campaign of Surrey Satellite Technology Ltd First Geostationary Wheel
11:50 First Real-Life Results of Novel Micro Vibration Measurement Facility
12:20 Dual Stage Isolation - A Passive, Bi-Linear Application for Launch Load Attenuation and On-Orbit Jitter Mitigation
12:40 CLOSING REMARKS including repeat of AMS and ESMATS 2019 Announcements

Copies of all presentation papers and posters can be viewed or downloaded from the esmats:past papers database