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共 417 条记录，以下是81-90 订阅

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Accelerated Deep-Learning Inference on the Versal adaptive SoC in the space Domain

Accelerated Deep-Learning Inference on the Versal adaptive S...

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2023 european data handling and data processing conference for space, edhpc 2023

作者： Petry, Michael Wuwer, Gabriel Koch, Andreas Gest, Patrick Ghiglione, Max Werner, Martin Germany DHBW Ravensburg and ADS Germany ADS Germany European Space Agency Germany TUM Germany

ISBN: (纸本)9789090379241

Artificial intelligence has found its way into space and necessitates a powerful and flexible hardware platform to keep up with the fast-paced AI domain. With the space-grade variant of the Versal, AMD-Xilinx offers one of the first space-ready AI accelerators that combine multiple compute paradigms, i.e., scalar processing (CPU), adaptive engines (FPGA), and vector processing (AI-Engine array) into an adaptive System-on-Chip. This paper provides a thorough analysis of its AI capabilities with respect to throughput and power efficiency for Multi-Layer Perceptrons and CNNs, and takes a look under the hood by profiling the system's efficiency on an architectural level based on the idea of the Roofline model. We believe that the gained insights ultimately help to design optimal NN architectures for deployment on the Versal. © 2023 ESA.

关键词： System-on-chip

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spaceWire/spaceFibre Analyser Real-Time (spaceART) system extension to the Wizardlink Protocol

SpaceWire/SpaceFibre Analyser Real-Time (SpaceART) system ex...

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2023 european data handling and data processing conference for space, edhpc 2023

作者： Davalle, Daniele Dinelli, Gianmarco Benelli, Gionata Nannipieri, Pietro Ciardi, Roberto Fanucci, Luca IngeniArs S.r.l. Pisa56121 Italy University of Pisa Dept. of Information Engineering Pisa56122 Italy

ISBN: (纸本)9789090379241

This paper presents an extension of the spaceART EGSE to support the WizardLink protocol, a high-speed data transfer protocol for space applications. spaceART is a real-time analyser and EGSE developed by IngeniArs, which supports spaceWire and spaceFibre protocols and can now also be used to test systems based on WizardLink protocol. WizardLink is a basic protocol defined by Texas Instruments and implemented in the TLK2711 chip, which provides several features that make it suitable for space applications, i.e., high-speed serial communication up to 2.5 Gbps, low power consumption, radiation tolerance and basic error *** this paper, the spaceART WizardLink extension is presented, focusing on the description of its new features, Graphical User Interface and Application Programming Interface.A typical WizardLink scenario is presented as use-case for the usage of spaceART WizardLink, involving the Payload data Transmission section of an Earth Observation satellite. In this context, spaceART WizardLink was used to implement an emulator for the Mass Memory. © 2023 ESA.

关键词： data transfer

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A Software Defined Radio for CCSDS 131.2-B protocol: Exploiting Graphics processing Unit accelerator for high performance data reception.

A Software Defined Radio for CCSDS 131.2-B protocol: Exploit...

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2023 european data handling and data processing conference for space, edhpc 2023

作者： Ciardi, Roberto Giuffrida, Gianluca Bertolucci, Matteo Fanucci, Luca University of Pisa IngeniArs S.r.l. Dept. of Information Eng. Pisa Italy IngeniArs S.r.l. Pisa Italy University of Pisa Dept. of Information Eng. Pisa Italy

ISBN: (纸本)9789090379241

This paper presents the implementation of a Software Defined Radio receiver in compliance with the CCSDS 131.2-B standard. Such standard has been defined for all the missions which require high data rate transmissions, especially for Earth Observation missions, and makes use of Serially Concatenated Convolutional Code encoding. In this scope, the SDR receiver presented has been implemented, exploiting parallel processing, enhanced by the use of GPU, for dealing with the high data rate required by the CCSDS 131.2-B. The presented receiver represents a low-cost solution with respect to the State of The Art HW *** paper gives an introduction about CCSDS 131.2-B standard and Graphics processing Unit exposing the rationale for the implementation of a GPU-based SDR. Then the architecture of the receiver is described, focusing on the parallel computation that have been developed on GPU. Lastly the performance of the receiver are described in terms of data rate and bit error rate. © 2023 ESA.

关键词： Graphics processing unit

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End-to-end data collection, handling and processing for JUICE RPWI LP: From hardware to L1a science data products

End-to-end data collection, handling and processing for JUIC...

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2023 european data handling and data processing conference for space, edhpc 2023

作者： Benko, Ilona Gill, Reine Nilsson, Thomas Berglund, Martin Johansson, Erik P.G. Puccio, Walter Bergman, Jan Martensson, Bjorn Wahlund, Jan-Erik Swedish Institute of Space Physics Uppsala Sweden

ISBN: (纸本)9789090379241

We present the implementation of different science mode settings and overall data flow of JUICE/RPWI instrument with focus on LP subunit. We begin with describing the reconfigurable hardware architecture and the usage of sequencers in science data acquisition. Introduction of sequencers, along with three FPGA-s, improve the subunit coordination and maximize the scientific value of collected data, especially during planned time-critical phases like icy moon flybys. 16 default sequencers and 16 default configurations per subunit can be set as active at given time, but more can be stored and loaded on-board. After the data acquisition, data processing and telemetry packing procedures are performed first by on-board software (FSW) and then unpacking with possible further processing is performed by ground segment (GS) software. Several algorithms handle LP on-board data processing, compression, organization, telemetry (TM) packing, which is sent from data processing Unit (DPU) using spaceWire interface and then transferred to the ground for further processing in the GS. For certain use-cases, triggering and downlinking procedures are used. The JUICE/RPWI GS software is designed to unpack and convert custom-made instrument telemetry into Planetary data System 4 (PDS4) compliant Common data Format (CDF) files. The current state (TM-to-L1a) of the GS pipeline and further processing steps are described in the end. © 2023 ESA.

关键词： Field programmable gate arrays (FPGA)

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Efficient High data Rate Networking Using Remote Direct Memory Access over spaceFibre

Efficient High Data Rate Networking Using Remote Direct Memo...

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2023 european data handling and data processing conference for space, edhpc 2023

作者： Gibson, Dave Mills, Stuart Maclennan, Andrew Parkes, Steve STAR-Dundee Dundee United Kingdom

ISBN: (纸本)9789090379241

spaceFibre [1] provides multi Gbit/s on-board networking for spaceflight applications. It has in-built quality-of-service (QoS);fault detection, isolation, and recovery (FDIR);and can run over electrical or fibre-optic cables. Using multiple lanes, it supports very high data rates. For example, with four lanes running at a lane signalling rate of 7.8125 Gbit/s, an overall link signalling rate of 31.25 Gbit/s is achieved. After adjusting for 8b/10b encoding and protocol overheads, this results in an approximate unidirectional data rate of 23.8 Gbit/s and bidirectional data rate of 23.1 Gbit/*** support such high data rates in embedded systems with minimal processor overhead, this paper presents a spaceFibre Endpoint that uses a Remote Direct Memory Access (RDMA) approach to provide zero-copy transferring of data between user-space applications over a spaceFibre *** paper first provides an overview of RDMA over spaceFibre, then presents performance test results, and lastly describes an image transfer demonstration showing RDMA over spaceFibre used in a real application. © 2023 ESA.

关键词： Embedded systems

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Development of the CREOLE ASIC and the Next-Generation On-Board Computer

Development of the CREOLE ASIC and the Next-Generation On-Bo...

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2023 european data handling and data processing conference for space, edhpc 2023

作者： Marinis, Kostas Geijer, Vilhelm Lebram, Jonas European Space Agency / ESTEC Noordwijk Netherlands Beyond Gravity AB Gothenburg Sweden

ISBN: (纸本)9789090379241

The Single Board Computer Core (SBCC) activity was an ESA funded activity initiated with the aim of evolving the previous generation of Beyond Gravity's on-board computers (OBCs), which were based on a set of ASICs implementing the processing function, mission and data link interfaces, memory controllers, authentication functions, telemetry, telecommand, reconfiguration, on-board time etc. To improve integration, reduce mass, volume, and AIT costs it was decided to integrate all these OBC functions into a single ASIC, which would form the core of a Single Board Computer (SBC) concept, and the subsequent next-generation on-board computer (OBC-NG).This resulting ASIC was codenamed CREOLE. It was developed, verified, manufactured, tested and fully validated within the scope of this activity. It is the core of the single board computer, which was also developed in this activity. Complemented by a power supply module, these modules form the next-generation OBC (OBC-NG) unit, which has already been selected for use in several institutional ESA missions, such as PLATO, CO2M and *** paper will provide an overview of the development and architectures of CREOLE, the SBC core, and the rest of the modules comprising the next-generation OBC. © 2023 ESA.

关键词： System-on-chip

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A heterogeneous simulation platform with LEON5 and IEEE standard real-Time operating system

A heterogeneous simulation platform with LEON5 and IEEE stan...

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2023 european data handling and data processing conference for space, edhpc 2023

作者： Hihara, Hiroki Omagari, Kuniyuki Mizushima, Kazuyo Imazato, Daichi Takahashi, Tadateru Takashima, Takeshi Yamaji, Mitsuhisa Kuze, Kyosuke NEC Space Technologies Ltd. Space Engineering Division Advanced Embedded Systems Department Tokyo Japan NEC Corporation Aerospace Business Division Technology Strategy Group Space Product Department Tokyo Japan NEC Corporation Aerospace Business Division 1st Space Systems Group Space Product Department Tokyo Japan NEC Corporation Aerospace Business Division 3rd Space Technology Group Space Product Department Tokyo Japan Kanagawa Japan

ISBN: (纸本)9789090379241

We developed a heterogeneous simulation platform with a LEON5 processor and Dynamically Reconfigurable Processors (DRPs) for DESTINY+ science and technology demonstration mission. A LEON5 processor is implemented on a Field Programmable Gate Array (FPGA), and IEEE Standard for a Real-Time Operating System (RTOS) for Small-Scale Embedded Systems is adopted on the processor. spaceWire, spaceFibre, and PCI Express interfaces are integrated with a router to enhance its simulation capability for the simulation of a whole satellite system. In addition to artificial intelligence processing capabilities of DRPs, interfaces for general purpose graphics processing units (GPGPUs) and vector processing units of super computers are also incorporated. We report the development result of the platform in this paper. © 2023 ESA.

关键词： Simulation platform

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End-to-end data processing architecture of the ESA exo-planet hunting mission PLATO

End-to-end data processing architecture of the ESA exo-plane...

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2023 european data handling and data processing conference for space, edhpc 2023

作者： Ziemke, Claas Griesbach, Denis Eising, Johannes Erikson, Anders Plasson, Philippe Di Giorgio, Anna Maria Loidolt, Dominik Windsor, James Milligan, David John Schwarzkopf, Gabriel Jorg Witteck, Ulrike Westerdorff, Karsten Perez, Juan Cabrera Samadi, Davoud-Reza Russi, Andrea Adams, Moritz Niemi, Sami-Matias Foley, Steve Mascher, Andrina Ulmer, Bernd Peter, Gisbert Eigmuller, Philipp Focardi, Mauro Ottacher, Harald Theisen, Tom O'Rourke, Laurence Rauer, Heike Institute of Optical Sensor Systems Berlin Germany Institute of Planetary Research Berlin Germany Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique Observatoire de Paris-Meudon Paris France Rome Italy Universität Wien Department of Astrophysics Vienna Austria Noordwijk Netherlands FH Aachen Faculty of Aerospace Engineering Aachen Germany Darmstadt Germany Florence Italy Institut für Weltraumforschung Österreichische Akademie der Wissenschaften Graz Austria Madrid Spain Department of Geological Sciences Berlin Germany

ISBN: (纸本)9789090379241

The scientific goals of the PLATO mission are to search for planetary transits across a large number of stars. We describe its end-to-end data processing architecture, including the infrastructure to configure the instrument consisting of 26 cameras and 14 data-processing units, the on-board data acquisition, processing and storage, and the ground processing pipeline. In the case of PLATO, only the combination of onboard and on-ground data processing makes it possible to achieve the ambitious goals. © 2023 ESA.

关键词： Digital storage

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Mechanically Pumped Loop as Heatsink Solution for Advanced Onboard data Processors

Mechanically Pumped Loop as Heatsink Solution for Advanced O...

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2023 european data handling and data processing conference for space, edhpc 2023

作者： De Jong, Sybren Ganzeboom, Thomas De Hoon, Erik-Jan Arendshorst, Mark Van Den Berg, Ramon Van Es, Johannes Elvikc, Sander Brouwer, Hugo Kunst, Romaine Lerou, Pieter Giammaria, Guido Aerospace Systems Amsterdam Netherlands Aerospace Systems Marknesse Netherlands Demcon Kryoz B.V Thermal Systems Engineering Enschede Netherlands ISISpace B.V Systems Engineering Delft Netherlands

ISBN: (纸本)9789090379241

Advanced onboard processing comes with thermal challenges. This paper presents a solution to efficiently transport the dissipated power of a processor to a radiator. It is an active thermal control system that is capable of providing higher heat transport than the most efficient passive technologies -like heat pipes-, while keeping the added complexity low. The Mini-MPL system is a Mechanically Pumped Loop (MPL) solution intended for SmallSats that allows scalability in heat transport capability from 10 to 200 W and intended for a satellite quality class from CubeSat to MiniSat. © 2023 ESA.

关键词： Temperature control

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P/L data handling and File Management Solution for Sentinel Expansions High Performances Missions

P/L Data Handling and File Management Solution for Sentinel ...

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2023 european data handling and data processing conference for space, edhpc 2023

作者： Michele, De Meo Silvio, Fenu Silvia, Moranti Anna, Frosi Pavia, Patrizio Rovatti, Marco Rita, Roscigno Francesca, Spataro Thales Alenia Space Italia Gorgonzola Italy Thales Alenia Space Italia Roma Italy ESA ESTEC Netherlands

ISBN: (纸本)9789090379241

This paper deals with a modular and scalable Payload data handling Unit (PDHU) that is a Solid State Mass Memory (SSMM) equipment conceived as Intelligent Control Unit (ICU) for a Payload data handling and Transmission (PDHT) Sub-system of a Low-Earth Orbit (LEO) *** PDHU has been designed by Thales Alenia space to cope with the needs of Earth Observation mission were huge amount of data generated by P/L instruments need to be stored on board and then transmitted to ground during limited visibility windows using the CCSDS File Delivery Protocol either in Class2 or in *** PDHU design has been driven by the following main user requirements:*** high Input/Output data throughput: up to 10Gbps Input data rate and 8 Gbps Output data to be simultaneously *** large Memory Capacity: Up to 24Tbit net usable EoL non-volatile memoryThe former entails the usage of High Speed Ser/Des Links for both external (WzL) and internal (FPGA Ser/Des) data *** latter entail the usage of NAND Flash memory technology that is the only one at present able to reach so large *** PDHU is equipped with a specifically developed File Management Software, handling Directories and Priorities, that has been conceived for autonomous handling of all the Storage and Downlink processes minimizing ground *** all the FLASH Array background tasks (e.g. Bad Block Management, Wear Levelling, ECC,...) don't require any SW intervention since are managed on each Memory Module by the local Memory Controller FPGA. © 2023 ESA.

关键词： data handling

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