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Cost reduction in aerospace through additive manufacturing

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Spacecraft are developed on Earth, tested, fully assembled and transported in one piece by a launch vehicle to their respective places of operation. Each component must be designed to withstand the high loads of the launch phase.

In most cases, in addition to complex test procedures, this leads to an oversized structure of the spacecraft components, because in orbit they experience only a fraction of the stresses they must endure during rocket launch.

The maximum take-off mass required for transport with the launch vehicle and the volume of satellites, for example, thus cause high space transport costs. [Read more…] about Cost reduction in aerospace through additive manufacturing

Airbus to develop ‘Moon Cruiser’ concept for ESA

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Aerospace giant Airbus has been awarded a CLTV (Cis-Lunar Transfer Vehicle) study for a “Moon Cruiser” by the European Space Agency (ESA).

According to the study concept (two parallel Phase A/B1), the CLTV is a versatile, autonomous logistics vehicle that could, for example, provide timely and efficient support to NASA and ESA in the implementation of the future Artemis Moon missions.

The spacecraft will be based on existing and proven technologies and will complement the multipurpose European Large Logistic Lander (EL3). [Read more…] about Airbus to develop ‘Moon Cruiser’ concept for ESA

Motiv brings space-grade robotics to industrial sector

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Motiv Space Systems is bringing space-grade robotics to Earth-bound industry. The company has built a number of innovative robots which are being tested at various companies and the robotic arm it supplied to NASA’s Mars project (main illustration) is also available to the market.

In an exclusive interview with Robotics and Automation News, Chris Thayer, CEO of Motiv, says the arm, in particular, has features that are essential in space but would also be applicable on Earth. (See video below.)

“Our robots are lighter weight than say a factory floor robotic arm,” says Thayer. [Read more…] about Motiv brings space-grade robotics to industrial sector

Xilinx launches ‘industry’s first’ 20 nanometer space-grade FPGA chip

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Chipmaker Xilinx claims it has achieved “lift-off” with the launch of what it says is the industry’s first 20 nanometer space-grade FPGA for satellite and space applications.

Xilinx, which invented field-programmable gate array chips, says the new FPGA provides full radiation tolerance and ultra-high throughput and bandwidth performance for satellite and space applications.

The new 20nm Radiation Tolerant Kintex UltraScale XQRKU060 FPGA provides true unlimited on-orbit reconfiguration, over a 10x increase in digital signal processing (DSP) performance – ideal for payload applications – and full radiation tolerance across all orbits, says Xilinx. [Read more…] about Xilinx launches ‘industry’s first’ 20 nanometer space-grade FPGA chip

European Space Agency to launch robot to clean up space

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The European Space Agency is planning to send a robot out into space to clean it of debris, which mainly consists of the countless satellites sent into orbit over the past few decades.

The vast majority of these “junk” satellites – communications, weather, military – have operational lifetimes lasting a few years – about five to 10 years, after which there is no system for bringing them back or clear them in any way. (See simulation of space debris around Earth below.)

Some have previously proposed to build robots that can travel to those obsolete satellites to perhaps fix them or make use of them somehow or at least maintain them so they are operational for longer, but that is an idea that is still in development, although also mentioned as part of ESA’s plan. [Read more…] about European Space Agency to launch robot to clean up space

Second SpaceDataHighway satellite to launch in July

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The EDRS-C satellite, the second node of the SpaceDataHighway network (also known as EDRS), will be launched into geostationary orbit at 31° East on 24 July 2019 by an Ariane 5 launcher.

Once positioned above Europe, it will provide redundant back-up for the SpaceDataHighway system, double transmission capacity and be able to relay the data from two observation satellites simultaneously.

This second satellite will be joining EDRS-A which transmits the images of Earth acquired by the Copernicus programme’s four Sentinel observation satellites on a daily basis.

[Read more…] about Second SpaceDataHighway satellite to launch in July

MDA recognized by Nasa for robotic servicing of International Space Station

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nasa ssl robotic spacecraft to fix satellites
Artist’s illustration of the robotic spacecraft which will float around in space, fixing satellites. Picture courtesy of SSL

MDA US Systems, a division of MDA managed by SSL, has been recognized by Nasa’s Johnson Space Center for its “outstanding support” of a robotic upgrade to the International Space Station’s power system which took place in January.

The MDA team based in Houston played a critical role in planning and validating the robotic maneuvering both before and during the mission.

Nasa JSC ground controllers used the 15-degrees-of-freedom Special Purpose Dextrous Manipulator (Dextre) arm to install six new 430-pound lithium-ion batteries in two power channel integrated electronics assembly pallets.

Dextre first removed 12 older and depleted 740-pound nickel-hydrogen batteries from the pallets, nine of which were put on the Japanese H-II Transfer Vehicle’s external pallet to burn up on re-entry with it.  [Read more…] about MDA recognized by Nasa for robotic servicing of International Space Station

Nasa places order with SSL for robotic spacecraft which will fix satellites in orbit

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New craft will be used to service satellites out in space 

Nasa has placed an order with Space Systems Loral for a robotic spacecraft which will go and fix satellites while in orbit. 

Nasa calls it the Restore-L servicing mission, and it is designed to demonstrate the ability to extend the life of a satellite in Low Earth Orbit. Scheduled launch is in 2020.

The Restore-L spacecraft will use robotics to grasp, refuel and relocate an existing US government satellite already in LEO orbit with the goal of demonstrating tools, technologies and techniques that can be implemented on future government and commercial missions.  [Read more…] about Nasa places order with SSL for robotic spacecraft which will fix satellites in orbit