Electromechanical components and systems

SENER began its space odyssey by developing structural mechanisms and parts. Today, it is a key supplier of electromechanical components and systems for the European Space Agency (ESA) and its principal provider of boominstruments and deployable booms.  

The company has more than half a century of experience in the design,manufacture, testing and final integration of electromechanical components and systems that are critical in space missions, with a track record of 100% reliability, as in all its history of space projects, not one of the more than 275 pieces of equipment supplied by SENER to space programs have ever recorded any faults.

SENER provides several types of electromechanical components and systems:

Rotatory actuators and linear actuators

Rotary Actuators for space applications. DTA 1300 series.

The DTA 1301 product has the same modular architecture and shares certain key components with the other qualified DTA products, achieving full product qualification incrementally over the results already obtained. The development activities were fund... [+]

SENER SUM Stepper Motors

SENER stepper motors are known for an unparalleled correlation between CAD model and final product. This space-qualified technology allows very flexible designs on a wide range for parameters like diameter, number of stepsand air gap. SENER motor... [+]

Deployment systems

JUICE. Deployable magnetometer boom. (MAGBOOM)

The purpose of this magnetometer boom for JUICE (Jupiter Icy Moon Explorer program) is to place some of the instruments needed for scientific experiments away from the magnetic disturbances of the spacecraft.  The boom is a structure consisting... [+]

DTR-DM. Deployable Thermal Radiator Deployment Mechanism

The DTR-DM was developed for Iberespacio’s radiator panel for Loral, where the majority of the qualification tests were performed. Moreover, in the H2020 PEGASUS program to develop a radiator panel for European commercial satellites, the design ... [+]

SOLAR ORBITER. Instrument boom

The Solar Orbiter deployable boom function is to support and deploy four instruments which, due to their sensitivity to magnetic fields, need to be placed far from the electromagnetic disturbances generated by the satellite. It consists of three rig... [+]

BEPICOLOMBO. Deployable magnetometer boom (MAGBOOM)

SENER is responsable of the Magnetometer Boom (MAGBOOM), which is a deployable boom holding two magnetometers that will measure Mercury's magnetic field. BepiColombo is Europe's first mission to Mercury. It is scheduled for launch in 2018 on a trip... [+]

Pointing and scanning systems

Antenna deployment and pointing mechanism XTAR & SPAINSAT

SENER developed ten antenna deployment and positioning mechanisms for XTAR and SPAINSAT communication satellites. SENER was responsible for the detail design, manufacturing, integration and testing of the mechanisms (all critical activities for the... [+]

Devices for optical instrumentation

SENTINEL-3. Flip Mirror Subsystem.

Sentinel-3 mission, framed in the European Union-ESA Copernicus program, has as one of its main targets to monitor sea and land-surface temperatures with high accuracy and reliability. First Sentinel-3 satellite was launched in February 2016, followe... [+]

EUCLID. Secondary Mirror Refocusing Mechanism (M2M)

The M2MM is a positioning mechanism with 5 degrees of freedom which allows the movement and adjustment of the secondary mirror (M2M) of the EUCLID telescope to guarantee the optical quality required in orbit, necessary to recover telescope misalignme... [+]

Mechanisms for terrestrial astronomy

GTC Secondary Mirror Drive System

The Secondary Mirror Drive System (M2DS) of the GTC consists of two main elements: a high-precision hexapode with field correction to drive a 1.2 m and 46 kg beryllium mirror. The system is water-cooled, has integrated power and control electronics ... [+]

VLT GRAAL Main Assembly

GRAAL (GRound layer Adaptive optics Assisted by Lasers) is the adaptive optics module for the Hawk-I NIR imager and is aimed at upgrading a VLT 8m telescope to an Adaptive Telescope, providing turbulence corrected images at the foci.The GRAAL Main As... [+]

E-ELT Field Stabilization Unit

SENER was responsible for the conceptual design and validation of the field stabilization unit’s performance for the M5 mirror. This was done by designing and integrating a scale-one demonstrator for the European Extremely Large Telescope (E-EL... [+]

E-ELT Secondary and Tertiary Mirrors Cells

The European Extremely Large Telescope (E-ELT) is a revolutionary new ground-based telescope concept that will have a 39-metre main mirror and will be the largest optical/near-infrared telescope in the world. The E-ELT concept started in 2005, the pr... [+]

WHT: WEAVE Corrector system

WEAVE is a new wide-field multi-object spectroscopy (MOS) facility proposed for the prime focus of the 4.2m William Herschel Telescope placed in La Palma, Canary Islands, Spain. The facility comprises: A Focus Translation System, already designed,... [+]

Electronic control equipment

LISA Pathfinder. Data Management Unit

The Laser Interferometer Space Antenna (LISA) is a joint ESA/NASA mission to detect and observe gravitational waves in space and thus verify Einstein's General Theory of Relativity. The LISA core technologies are gravitational reference sensors, rea... [+]

GAIA. M2MM Mechanism drive electronics (MDE)

GAIA M2M MDE is an electrical unit designed to control up to ten stepper motors per MDE section (Main or Redundant) one at a time that will move the M2 mirrors for GAIA. The mechanisms will allow the M2M repositioning in 5 degrees of freedom. The MD... [+]

GAIA. Sunshield Drive Electronics (SDE)

The Sunshield Drive Electronics (SDE) is an electrical unit designed to control a stepper motors per section (Main or Redundant) which shall actuate over the of the GAIA Deployable Sunshield Assembly (DSA) Structure.  During the qualification camp... [+]

Devices for special applications

GAIA. Deployable sunshield

The GAIA Deployment Sunshield Assembly (DSA), provides a stable and continuous shadow environment to the SVM and PLM of the satellite. The DSA is composed by 12 rectangular petals joined by 12 triangular sectors to form an almost circular plane aroun... [+]

Umbilical Release Mechanism for ExoMars 2020 mission

Establishing whether life ever existed or is still active on Mars is one of the principal outstanding scientific questions of our time; It is also a necessary prerequisite to prepare for the future human exploration endeavors. To achieve this impor... [+]

Mission e.Deorbit, phase B1

After decades of launches Earth is surrounded by a halo of space junk of more than 17 000 trackable objects, which threaten working missions with possible collision.  The only way to control the debris population across key low orbits is to remove... [+]

Exomars Drill Mechanisms

Discovering whether there ever was or still is life on Mars is one of the most important scientific questions of our time. It is also a necessary prerequisite in order to prepare for future human exploration missions. To achieve this important goal,... [+]

IBDM Hard Capture System

The International Berthing and Docking Mechanism (IBDM) is the European androgynous low impact docking mechanism that is capable of docking and berthing large and small spacecraft. The IBDM is being designed to be compatible with the International Do... [+]

Standard Interface for Robotic Manipulation (SIROM)

Standard Interface for Robotic Manipulation (SIROM) of payloads in future space missions. SENER is the coordinator of the project consortium and responsible for the development, design, manufacturing, assembly and integration of the SIROM Mechanica... [+]

Opto-mechanical systems

SEOSAT/INGENIO. Spanish Earth Observation Satellite

SEOSAT is a multispectral high resolution wide swath world coverage imager, designed for systematic acquisition of Spanish territory and minimum revisit time. It will be operational in 2020 with a nominal life of 7 years, having a Sun-synchronous orb... [+]

ATHENA mission – Instrument Selection Mechanism (ISM)

The purpose of ATHENA (Advanced Telescope for High Energy Astrophysics) is to study the hot and energetic universe and obtain information about black holes and how they relate to the creation of galaxies and groups of galaxies. It combinesa huge X-... [+]

WHT: WEAVE Focus Translation System

WEAVE (WHT Enhanced Area Velocity Explorer) is a new wide-field spectrograph being developed for the 4.2-m William Herschel Telescope (WHT) located in the Observatorio del Roque de los Muchachos on the island of La Palma (Spain). The instrument inclu... [+]


Copernicus is the most ambitious Earth observation program to date. It will provide accurate, timely and easily accessible information to improve the management of the environment, understand and mitigate the effects of climate change, and ensure civ... [+]

MTG. Scan Assembly (SCA)

The MTG (Meteosat Third Generation) is made up of six satellites installed on two different platforms, MTG-I and MTG-S which, in turn have two key instruments: on the one hand, the Flexible Combined Imager (FCI) and, on the other hand, the InfraRed S... [+]

MTG. Calibration and Obturation Mechanism (COM)

The MTG mission (Meteosat Third Generation) is made up of six satellites installed on two different platforms, MTG-I and MTG-S which, in turn have two key instruments: on the one hand, the Flexible Combined Imager (FCI) and, on the other hand, the In... [+]

ELT – M2/M3 Auxiliary Equipment

The Extremely Large Telescope (ELT) is a project of the European Southern Observatory (ESO) to build and operate a 40-m class optical, near- and mid-infrared, ground-based telescope that will be installed on Cerro Armazones in Northern Chile. When it... [+]

Ground Support Equipment Mechanisms

Euclid Mechanical Ground Support Equipment (MGSE)

The Euclid mission aims at understanding why the expansion of the Universe is accelerating and what is the nature of the source responsible for this acceleration which physicists refer to as "dark energy". The mission will investigate the distance-... [+]

Biomass Mechanical Ground Support Equipment (MGSE)

SENER, on behalf of OHB Italy, will design, manufacture and test all the devices for assembly of the satellite structure, including vertical transport equipment, assembly and disassembly of satellite panels, assembly and disassembly of the Synthetic ... [+]

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