ERPSat-1 scientific pico satellite development

Neji, Bilel; Hamrouni, Chafaa; Alimi, Adel M.; Aslan, A. R.; Schilling, Klaus

doi:10.1109/systems.2010.5482436

Cited by 12 publications

(5 citation statements)

References 5 publications

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“…This 16-bit microcontroller with Von Neumann architecture was chosen primarily for its extended use in low-power embedded systems and mission-critical systems. Moreover, thanks to its low energy consumption, it has been widely used in space applications, such as picosatellites, where the probabilities of radiation-induced faults are higher [44][45][46]. This device has a microprocessor register file comprised of 16 registers in total: The first four registers are special purpose registers, and the last 12 registers are general purpose registers.…”

Section: Methodsmentioning

confidence: 99%

Using Approximate Computing and Selective Hardening for the Reduction of Overheads in the Design of Radiation-Induced Fault-Tolerant Systems

2019

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Fault mitigation techniques based on pure software, known as software-implemented hardware fault tolerance (SIHFT), are very attractive for use in COTS (commercial off-the-shelf) microprocessors because they do not require physical modification of the system. However, these techniques cause software overheads that may affect the efficiency and costs of the overall system. This paper presents a design method of radiation-induced fault-tolerant microprocessorbased systems with lower execution time overheads. For this purpose, approximate computing and selective fault mitigation software-based techniques are used; thus it can be used in COTS devices. The proposal is validated through a case study for the TI MSP430 microcontroller. Results show that the designer can choose among a wide spectrum of design configurations, exploring different trade-offs between reliability, performance, and accuracy of results.

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Section: Methodsmentioning

confidence: 99%

Using Approximate Computing and Selective Hardening for the Reduction of Overheads in the Design of Radiation-Induced Fault-Tolerant Systems

2019

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“…In the case of cube satellite and other pico satellites, the life time directly depends on the power system unit. Most of the cube satellite average life time is about 1 year [8]. The main cause of this small period of life time is the failure of power system unit and therefore the communication system failure.…”

Section: The Regulated Battery Bus Voltage Is Usually Lowermentioning

confidence: 99%

Study and Simulation of a Low Cost and Intelligent Electrical Power Sub-System Unit for Cube Satellite

Saifur¹,

Zaman²

2019

IJCA

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Satellite industry almost completely dependent on centralized Electrical Power System (EPS) designs. Maximum EPS is custom designed. There are a few manufactures that make their designs available for commercial use. Most of these designs conform to the most common standard that uses three distributed buses. Today large satellite follows single bus voltage distributed architecture. Therefore single bus voltage distributed architecture is now become a mainstream architecture for small cube satellite. Power system unit has distributed voltage which is more than one, such as a low voltage bus and a high voltage bus. There is generally one bus voltage within a subsystem. Every subsystem module is accountable for additional regulation or point-of-load regulation. With the developments of small, very efficient, monolithic dc-dc converters, this paper shows the design and simulation of possible implementation of distributed architecture at the cube satellite scale. The goal of this paper is to design an efficient electrical power system (EPS) with a great utility, capable of being used for several missions, without having to redesign the system every time. KeywordsPower system of cube satellite, small satellite power system, power system model, satellite power system.

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“…Actual space technology becomes accessible for all the world, the fact that proves m any countries as Spai n which studied WIKISAT in 2011 and Tunisia which studied l'EREPSAT1 in 2009 [ 15]. This orientation offers many countries, societies and even in dividuals to build their personal satellites.…”

Section: Fields Of Actual Researches On Femtosats On Boardmentioning

confidence: 99%