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Architectural design of radiation-hardened SOC solution for nanosatellite power management
Vise andre og tillknytning
2015 (engelsk)Inngår i: Proceedings of the International Astronautical Congress, IAC, International Astronautical Federation, 2015, s. 7171-7174Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

With the rapid development of nanosatellite industry, adaptive and ultra-small-scale power management system is demanded for maintenance and sustainable use of space power supply. Radiation-tolerant System-on-Chip (SoC) technology has been recognized as a promising solution but challenges still exist. In this paper, we present a comprehensive architectural design of SoC power solution for nanosatellite applications including space-level 16-bit processor, 8-channel ADC, precision amplifiers, interface units etc. Based on antiradiation requirements, we customize three application scenarios for nanosatellite. It comprises reconfigurable architecture, fault tolerance strategy and in-orbit calibration strategy. The space-level processor named FC-4065 uses these anti-irradiation solutions after Total Ionizing Dose (TID) and Single Event Upset (SEU) tests. Then, by exsiting radiation-tolerant SoC platform, optimized nanosatellite power conditioning procedures are proposed. The modularized power management system is composed of Main Error Amplifier (MEA) IP, Pulse Width Modulation (PWM) IP, Battery Balancing (BB) IP, S3R IP and other soft IP cores. This microsystem can monitor and control the entire nanosatellite power modules without manual operations. Finally, TID trial is carried out in the Shanghai Institute of Applied Physics in China. Practical stability and accuracy of SoC architectures are proven, and suggestions for future nanosatellite power development are discussed based on the spaceflight missions.

sted, utgiver, år, opplag, sider
International Astronautical Federation, 2015. s. 7171-7174
Emneord [en]
Architectural design, Battery management systems, Energy management, Fault tolerance, Flash memory, Internet protocols, Ionizing radiation, Nanosatellites, Power management, Programmable logic controllers, Pulse width modulation, Radiation hardening, Reconfigurable architectures, Reconfigurable hardware, Spacecraft power supplies, System-on-chip, Voltage control, Application scenario, In-orbit calibrations, Main error amplifier, Monitor and control, Power management systems, Practical stability, Radiation tolerant system, Total Ionizing Dose, Integrated circuit design
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Identifikatorer
URN: urn:nbn:se:kth:diva-202907Scopus ID: 2-s2.0-84994338884ISBN: 9781510818934 (tryckt)OAI: oai:DiVA.org:kth-202907DiVA, id: diva2:1079139
Konferanse
66th International Astronautical Congress 2015: Space - The Gateway for Mankind's Future, IAC 2015, 12 October 2015 through 16 October 2015
Merknad

QC 20170307

Tilgjengelig fra: 2017-03-07 Laget: 2017-03-07 Sist oppdatert: 2017-03-07bibliografisk kontrollert

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Totalt: 28 treff
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