Between them, the Space Environment and Effects Section and Components Space Evaluation and Radiation Effects Section also advise on Radiation Hardness Assurance standards for the European Cooperation for Space Standards (ECSS: a body overseeing a comprehensive set of space manufacturing standards). For more information, please contact the National Space Test Facility at NSTF@anu.edu.au. “We have some very powerful simulators to help evaluate effects, but they can only be useful once the initial sensitivity is confirmed.”. Switzerland’s Paul Scherrer Institute is one example: while specialising in physics and radiological medical treatment, its Proton Irradiation Facility is designed for high-energy proton beam testing of satellite components. %%EOF
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@�� and Space Administration Standards for Radiation Effects Testing: Ensuring Scientific Rigor in the Face of Budget Realities and Modern Device Challenges Jean-Marie Lauenstein, NASA/GSFC Presented by JeanMarie Lauenstein at the Hardened Electronics and Radiation Technology (HEART) 2015 Conference, Chantilly, VA, -April 21 24, 2015 1 Other mitigation techniques can be built in to reduce microprocessors’ sensitivity in the first place. In response to this, EMA is in the process of building its state of the art Space Environment and Radiation Effects (SERE) test facility. “However, Station sleeping quarters have specially augmented shielding to keep total radiation exposure down. Access to cutting-edge mechanical workshops and outstanding technical design capabilities for tailoring testing and experiments. “We assess the component’s sensitivity to estimate its reliability. For more specialised high-energy testing, the Laboratories turn to a network of external radiation labs across Europe. Researching future missions, Galileo is one priority.
The National Space Test Facility includes the space radiation testing capability of the Heavy Ion Accelerator Facility (HIAF).
Current ASICs (application specific integrated circuits) or FPGAs (field-programmable gate arrays) house millions of transistors and it is hard to identify all the potential perturbations a SEE can trigger. Find out about ANU InSpace research, development and funding capabilities.
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Image Credit: Yoshio Hinde. The Laboratories and their external facilities, along with the Space Environment and Effects Section, are sometimes called in to advise currently flying missions on radiation-induced anomalies.
An inevitable price is paid in overall functionality and potentially speed, so component designers have to think about trade-offs: are fully rad-hardened components needed, or is a certain error level acceptable in return for greater processing speed and flexibility?
The combination of these issues poses a significant challenge to space programs and new technologies alike. “ESA’s Christer Fuglesang was among astronauts who have donned a mask incorporating radiation detectors, to try and correlate these flashes with actual particles measured.”.
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Then we can identify if it is suitable for the mission, and whether mitigation strategies can be implemented: localised shielding perhaps, or global shielding around the equipment box.
The Space Environment and Effects section also has one additional responsibility: assessing the effects of space radiation on human health.
Beams of ions of nearly any element can be accelerated, with maximum energies dependent on the species (e.g., protons up 28 MeV, iron up to 200 MeV). Astronauts on the International Space Station stay sheltered within Earth’s magnetic field from the higher radiation flux prevailing in deep space.
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