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Towards defi ning a simplifi ed procedure for COTS system-on-chip TID testing
Stefano Di Mascio,Alessandra Menicucci,Gianluca Furano,Tomasz Szewczyk,Luigi Campajola,Francesco Di Capua,Andrea Lucaroni,Marco Ottavi 한국원자력학회 2018 Nuclear Engineering and Technology Vol.50 No.8
The use of System-on-Chip (SoC) solutions in the design of on-board data handling systems is animportant step towards further miniaturization in space. However, the Total Ionizing Dose (TID) andSingle Event Effects (SEE) characterization of these complex devices present new challenges that areeither not fully addressed by current testing guidelines or may result in expensive, cumbersome testconfigurations. In this paper we report the test setups, procedures and results for TID testing of a SoCmicrocontroller both using standard 60Co and low-energy protons beams. This paper specifically pointsout the differences in the test methodology and in the challenges between TID testing with proton beamand with the conventional gamma ray irradiation. New test setup and procedures are proposed whichare capable of emulating typical mission conditions (clock, bias, software, reprogramming, etc.) whilekeeping the test setup as simple as possible at the same time.
RAPID THERMAL LOAD ESTIMATION USING A SET OF SMART GRAPHS
SHAHID ALI KHAN,JOSEPH ANTHONY MENICUCCI JR,SARIM NAJI AL-ZUBAIDY 대한설비공학회 2013 International Journal Of Air-Conditioning and Refr Vol.21 No.1
The purpose of this research was to develop simple thermal load smart graphs for rapid thermal load estimation. These graphs were generated in order to facilitate a quick estimation of the thermal load. This is especially important when computer-aided heating, ventilation and airconditioning (HVAC) design software is unavailable. Hundreds of calculations have been carried out using various heat transfer equations and an hourly analysis program (HAP) generated graphs displaying the external and internal sensible and latent heat gains of analyzed spaces. These smart graphs are very user friendly; non-technical individuals can easily calculate the thermal load using these graphs. The smart graphs are time-saving and give results more accurate than thumb rules. In fact, they give a total thermal load estimate that is less than few percent di®erent from the estimate generated using commercial software programs.