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43 results on '"Possamai Bastos, Rodrigo"'

2. Soft Error Assessment of Attitude Estimation Algorithms Running on Resource-Constrained Devices Under Neutron Radiation

Author

Gava, Jonas, Sartori, Tarso, Hanneman, Alex, Garibotti, Rafael, Moraes, Fernando, Calazans, Ney, Fourati, Hassen, Possamai Bastos, Rodrigo, Reis, Ricardo, and Ost, Luciano

Abstract

There is a growing incorporation of unmanned aerial vehicles (UAVs) within remote and urban environments due to their versatility and ability to access hard-to-reach and/or congested places. UAVs offer low-cost solutions for many applications, including healthcare (e.g., medical supplies delivery) and surveillance during public events, protests, or emergencies (e.g., a nuclear accident). However, drone utilization in urban areas often relies on strict regulations to ensure safe and responsible operation. UAVs are subject to radiation-induced soft errors, and identifying the most vulnerable software and hardware components to radiation exposure is an advisable task, which is difficult to undertake. An essential task to UAVs correct operation is attitude estimation (AE). This article assesses the soft error reliability of three AE algorithms running on two resource-constrained microprocessors under neutron radiation. Results suggest that the extended Kalman filter (EKF) algorithm provides the best Mean Work to Failure (MWTF) result for critical fault events, which is about $3\times $ more than the indirect Kalman filter (IKF) and $1.5\times $ more with respect to the novel quaternion Kalman filter (NQKF) algorithm.

Published
2024
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5. SMART: Selective MAC zero-optimzation for neural network reliability under radiation

Author

Rajappa, Anuj Justus, Reiter, Philippe, Sartori, Tarso Kraemer Sarzi, Laurini, Luiz Henrique, Fourati, Hassen, Mercelis, Siegfried, Hellinckx, Peter, Possamai Bastos, Rodrigo, Internet Technology and Data Science Lab (IDLab), Universiteit Antwerpen = University of Antwerpen [Antwerpen]-Universiteit Gent = Ghent University (UGENT), Architectures and Methods for Resilient Systems (TIMA-AMfoRS ), Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Dynamics and Control of Networks (DANCE), Inria Grenoble - Rhône-Alpes, Institut National de Recherche en Informatique et en Automatique (Inria)-Institut National de Recherche en Informatique et en Automatique (Inria)-GIPSA Pôle Automatique et Diagnostic (GIPSA-PAD), Grenoble Images Parole Signal Automatique (GIPSA-lab), Université Grenoble Alpes (UGA)-Grenoble Images Parole Signal Automatique (GIPSA-lab), and Universiteit Antwerpen = University of Antwerpen [Antwerpen]

Subjects
radiation, MAC, PACS 85.42, sparsity, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, sparsity radiation MAC multiply-accumulate optimization, optimization, multiply-accumulate
Abstract

This work has been partially supported by: MultiRad (PAI project funded by Région Auvergne-Rhône-Alpes); IRT Nanoelec (ANR-10-AIRT-05) and LabEx PERSYVAL-Lab (ANR- 11-LABX-0025-01), both projects funded by the French program PIA; UGA/LPSC/GENESIS platform; Bourse de mobilité Génération IA 2030, funded by French embassy in Belgium; and MOVIQ (Mastering Onboard Vision Intelligence and Quality) project funded by Flanders Innovation and Entrepreneurship (VLAIO) and Flanders Space (VRI).; International audience

Published
2023

7. Effectiveness of Attitude Estimation Processing Approaches in Tolerating Radiation Soft Errors

Author

Kraemer Sarzi Sartori, Tarso, Laurini, Luiz Henrique, Fourati, Hassen, Possamai Bastos, Rodrigo, Architectures and Methods for Resilient Systems (TIMA-AMfoRS ), Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Dynamics and Control of Networks (DANCE), Inria Grenoble - Rhône-Alpes, Institut National de Recherche en Informatique et en Automatique (Inria)-Institut National de Recherche en Informatique et en Automatique (Inria)-GIPSA Pôle Automatique et Diagnostic (GIPSA-PAD), Grenoble Images Parole Signal Automatique (GIPSA-lab), Université Grenoble Alpes (UGA)-Grenoble Images Parole Signal Automatique (GIPSA-lab), and MultiRadproject, funded by Region Auvergne-Rh ´ one-Alpes’s interna- ˆtional ambition pack (PAI)LabEx PERSYVAL-Lab (ANR-11-LABX-0025-01)

Subjects
[SPI]Engineering Sciences [physics], attitude estimation algorithms, inertial navigation system, Radiation-induced soft errors
Abstract

International audience; This paper investigates and compares the neutroninduced soft-error tolerance effectiveness of five classical attitude estimation (AE) processing approaches that are typically embedded in inertial navigation systems of autonomous things. Results of 14-MeV and thermal neutron radiation testing campaigns indicate that all the AE approaches-implemented without protection mechanisms-can be critically perturbed by single event upsets (SEUs), recovering themselves after a few seconds if sensors' measurements are continuously provided. Moreover, Kalman filter-based AE approaches presented better effectivenesses in tolerating SEUs than AE based on gradient descent.

Published
2023

8. Designing Low-Power Embedded Software for Mass-Produced Microprocessor by Using a Loop Table in On-Chip Memory

Author

Possamai Bastos, Rodrigo, Lima Kastensmidt, Fernanda, Reis, Ricardo, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Paliouras, Vassilis, editor, Vounckx, Johan, editor, and Verkest, Diederik, editor

Published
2005
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10. Analysis of Medium-Earth Orbit Radiation Effects in Digital Systems for Spacecraft

Author

Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions, Université Grenoble Alpes, Rey Micolau, Francesc, Possamai Bastos, Rodrigo, Gorchs Picas, Marti, Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions, Université Grenoble Alpes, Rey Micolau, Francesc, Possamai Bastos, Rodrigo, and Gorchs Picas, Marti

Abstract

Field-programmable gate array (FPGA) are very appealing for space-based applications thanks to their great flexibility, allowing reconfiguration during spaceflight. However, they are sensitive to space radiation, especially to single event upsets (SEU), which may provoke modifications to the circuit implemented in the FPGA. The COTS-2 experimental board was designed at the UGA/TIMA laboratory for assessing the use of a fault-tolerant technique in a FPGA operating in a real environment. The board was embedded in the DSX spacecraft, which followed a medium Earth orbit (MEO) from June 2019 to May 2021. This project presents the analysis and discussion of the first MEO spaceflight results of radiation effects in a FPGA protected with the classical triple modular redundancy (TMR) technique. Results show that the TMR has not been able to mitigate radiation-induced failures in multiple occasions throughout the mission., Las matrizes de puertas programables en campo (FPGA) son muy atractivas para aplicaciones espaciales gracias a su gran flexibilidad, permitiendo la reconfiguración durante el transcurso de la misión. Sin embargo, son sensibles a la radiación espacial, especialmente a los trastornos de un solo evento (SEU), que pueden provocar modificaciones al circuito implementado en la FPGA. La placa experimental COTS-2 fue diseñada en el laboratorio UGA/TIMA para evaluar el uso de una técnica tolerante a fallos en un FPGA operando en un entorno real. La placa fue incluida en la nave espacial DSX, que siguió una órbita terrestre media (MEO) desde junio 2019 hasta mayo 2021. Este proyecto presenta el análisis y discusión de los primeros resultados experimentales en MEO sobre los efectos de la radiación en una FPGA protegida con la conocida técnica de triple redundancia modular (TMR). Los resultados muestran que la TMR no ha sido capaz de mitigar errores causados por la radiación en múltiples ocasiones a lo largo de la misión., Les matrius de portes programables en camp (FPGA) són molt atractives per a aplicacions espacials gràcies a la seva gran flexibilitat, permetent la reconfiguració durant el transcurs de la missió. Tanmateix, són sensibles a la radiació espacial, especialment a les alteracions d’un sol esdeveniment (SEU), que poden provocar modificacions al circuit implementat en la FPGA. La placa experimental COTS-2 fou dissenyada al laboratori UGA/TIMA per a l’avaluació d’una tècnica tolerant a errors en una FPGA funcionant en un entorn real. La placa fou inclosa en la nau espacial DSX, seguint una òrbita terrestre mitjana (MEO) des del juny de 2019 fins al maig de 2021. Aquest projecte presenta l’anàlisi i discussió dels primers resultats experimentals a MEO sobre els efectes de radiació en una FPGA protegida amb la coneguda tècnica de redundància modular triple (TMR). Els resultats mostren que la TMR no ha estat capaç de mitigar errors causats per la radiació en múltiples ocasions al llarg de la missió.

Published
2022

14. Effectiveness of Attitude Estimation Processing Approaches in Tolerating Radiation Soft Errors

Author

Kraemer Sarzi Sartori, Tarso, Fourati, Hassen, Rajappa, Anuj Justus, Reiter, Philippe, Possamai Bastos, Rodrigo, BEN TITO, Laurence, Architectures and Methods for Resilient Systems (TIMA-AMfoRS ), Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Dynamics and Control of Networks (DANCE), Inria Grenoble - Rhône-Alpes, Institut National de Recherche en Informatique et en Automatique (Inria)-Institut National de Recherche en Informatique et en Automatique (Inria)-GIPSA Pôle Automatique et Diagnostic (GIPSA-PAD), Grenoble Images Parole Signal Automatique (GIPSA-lab), Université Grenoble Alpes (UGA)-Grenoble Images Parole Signal Automatique (GIPSA-lab), Internet Technology and Data Science Lab (IDLab), Universiteit Antwerpen = University of Antwerpen [Antwerpen]-Universiteit Gent = Ghent University (UGENT), This work was supported in part by: the MultiRad project of the Région Auvergne-Rhône-Alpes's international ambition pack (PAI), the French national research agency within the France-2030 program (ANR-15-IDEX-0002), the LabEx PERSYVAL-Lab (ANR-11-LABX-0025-01), the IRT Nanoelec (ANR-10-AIRT-0005) of the French national program PIA ('Programme d’Investissements d’Avenir), the LPSC's GENESIS platform, and the ILL's TENIS instrument (TEST-3202 and TEST-3219 experiments)., ANR-15-IDEX-0002,UGA,IDEX UGA(2015), ANR-11-LABX-0025,PERSYVAL-lab,Systemes et Algorithmes Pervasifs au confluent des mondes physique et numérique(2011), and ANR-10-AIRT-0005,NANOELEC,NANOELEC(2010)

Subjects
PACS 85.42, [SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics
Abstract

International audience

Published
2022

15. Evaluation of Attitude Estimation Algorithm under Soft Error Effects

Author

Sales Brum, Joao Paolo, Kraemer Sarzi Sartori, Tarso, Lin, Jiaru, Garay Trindade, Matheus, Fourati, Hassen, Velazco, Raoul, Possamai Bastos, Rodrigo, Universidade Federal de Santa Maria (UFSM), Architectures and Methods for Resilient Systems (AMfoRS ), Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Dynamics and Control of Networks (DANCE), Inria Grenoble - Rhône-Alpes, Institut National de Recherche en Informatique et en Automatique (Inria)-Institut National de Recherche en Informatique et en Automatique (Inria)-GIPSA Pôle Automatique et Diagnostic (GIPSA-PAD), Grenoble Images Parole Signal Automatique (GIPSA-lab), Université Grenoble Alpes (UGA)-Grenoble Images Parole Signal Automatique (GIPSA-lab), Universidade Federal de Santa Maria = Federal University of Santa Maria [Santa Maria, RS, Brazil] (UFSM), Architectures and Methods for Resilient Systems (TIMA-AMfoRS ), This work has been partially supported by: MultiRad project funded by Région Auvergne-Rhône-Alpes (AURA)’s international ambition pack (PAI), OVNIPROM-SAT project funded in the frame of SCUSI (Soutien aux Coopérations Universitaires et Scientifiques Internationales – Région AURA), and LabEx PERSYVAL-Lab8 (ANR-11-LABX-0025-01) funded by the French government program 'Investissement d’avenir'., and ANR-11-LABX-0025,PERSYVAL-lab,Systemes et Algorithmes Pervasifs au confluent des mondes physique et numérique(2011)

Subjects
Inertial Navigation System, Attitude Estimation, PACS 85.42, Fault Injection, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, Single Event Upset, ComputingMilieux_MISCELLANEOUS
Abstract

International audience; The space industry has been launching nanosatellites in order to reduce the weight of the payload and monitor space at a lower cost benefit than a conventional satellite. In this context, the use of Attitude Estimation (AE) algorithms have become more and more important. This paper evaluates the effectiveness of a processing system running an AE algorithm under an emulation-based fault injection campaign. This method is able to emulate soft errors directly in the development board's registers and allows to put in evidence critical situations, such as the wrong calculation of a reference component in space. Results and preliminary analysis suggest a predominance of matches in general-purpose registers and some failures in those called frame point, demanding extended fault injection campaign to identify further details.

Published
2021

16. Nanosatellite On-Board Computer including a Many-Core Processor

Author

Pancher, Fabrice, Vargas Vallejo, Vanessa Carolina, Ramos Vargas, Pablo Francisco, Possamai Bastos, Rodrigo, Ardiles Saravia, David César, Velazco, Raoul, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG), Centre National d'Études Spatiales [Toulouse] (CNES)-Observatoire des Sciences de l'Univers de Grenoble (OSUG ), Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA), Universidad de las Fuerzas Armadas [Sangolqui] (ESPE), Architectures and Methods for Resilient Systems (AMfoRS ), Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), and Université Grenoble Alpes (UGA)

Subjects
PACS 85.42, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2021

17. Assessment of Machine Learning Models in Computing System under Neutron Radiation

Author

Garay Trindade, Matheus, Sales Brum, Joao Paolo, Maldaner, Liége, Garibotti, Rafael, Ost, Luciano, Possamai Bastos, Rodrigo, Architectures and Methods for Resilient Systems (AMfoRS ), Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Universidade Federal de Santa Maria (UFSM), Pontifícia Universidade Católica do Rio Grande do Sul [Porto Alegre] (PUCRS), Loughborough University, and Universidade Federal de Santa Maria = Federal University of Santa Maria [Santa Maria, RS, Brazil] (UFSM)

Subjects
PACS 85.42, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2021

18. Assessment of Attitude Estimation Processing System under Neutron Radiation Effects

Author

Kraemer Sarzi Sartori, Tarso, Fourati, Hassen, Garay Trindade, Matheus, Possamai Bastos, Rodrigo, Architectures and Methods for Resilient Systems (AMfoRS ), Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Dynamics and Control of Networks (DANCE), Inria Grenoble - Rhône-Alpes, Institut National de Recherche en Informatique et en Automatique (Inria)-Institut National de Recherche en Informatique et en Automatique (Inria)-GIPSA Pôle Automatique et Diagnostic (GIPSA-PAD), Grenoble Images Parole Signal Automatique (GIPSA-lab), Université Grenoble Alpes (UGA)-Grenoble Images Parole Signal Automatique (GIPSA-lab), Architectures and Methods for Resilient Systems (TIMA-AMfoRS ), This work has been partially supported by: MultiRad project, funded by Région Auvergne-Rhône-Alpes’s international ambition pack, and IRT Nanoelec (ANR-10-AIRT-05) and LabEx PERSYVAL-Lab (ANR-11-LABX-0025-01), both funded by the French government program 'Investissement d’avenir'., ANR-10-AIRT-0005,NANOELEC,NANOELEC(2010), and ANR-11-LABX-0025,PERSYVAL-lab,Systemes et Algorithmes Pervasifs au confluent des mondes physique et numérique(2011)

Subjects
PACS 85.42, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2021

20. Radiation effects in tiny machine learning systems and attitude estimation processing modules for autonomous things

Author

Possamai Bastos, Rodrigo, BEN TITO, Laurence, NANOELEC - - NANOELEC2010 - ANR-10-AIRT-0005 - AIRT - VALID, and Laboratoires d'excellence - Systemes et Algorithmes Pervasifs au confluent des mondes physique et numérique - - PERSYVAL-lab2011 - ANR-11-LABX-0025 - LABX - VALID

Subjects
[SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics
Published
2021

21. Body-Bias Micro-Generators for Activity-Driven Power Management

Author

Fesquet, Laurent, Decoudu, Yoan, Iga Jadue, Rodrigo, Ferreira de Paiva Leite, Thiago, Rolloff, O., Diallo, Mamadou, Possamai Bastos, Rodrigo, Morin-Allory, Katell, Engels, Sylvain, Circuits, Devices and System Integration (CDSI), Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), STMicroelectronics [Crolles] (ST-CROLLES), European Project: 783127,H2020-EU.2.1.1.7. - ECSEL,OCEAN12(2018), BEN TITO, Laurence, Opportunity to Carry European Autonomous driviNg further with FDSOI technology up to 12nm node - OCEAN12 - 2018-04-01 - 2021-12-31 - 783127 - VALID, Circuits, Devices and System Integration [2020-….] (CDSI [2020-….]), Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés [2020-….] (TIMA [2020-….]), Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2020-....] (UGA [2020-....])-Institut polytechnique de Grenoble - Grenoble Institute of Technology [2020-....] (Grenoble INP [2020-....]), Université Grenoble Alpes [2020-....] (UGA [2020-....])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2020-....] (UGA [2020-....])-Institut polytechnique de Grenoble - Grenoble Institute of Technology [2020-....] (Grenoble INP [2020-....]), Université Grenoble Alpes [2020-....] (UGA [2020-....]), and Circuits, Devices and System Integration (TIMA-CDSI)

Subjects
[SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, PACS 85.42, local body-biasing techniques, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, asynchronous circuit, ComputingMilieux_MISCELLANEOUS, FDSOI
Abstract

International audience

Published
2020

23. Assessment of Current Sensor on Chip for Detecting Neutron-Induced Transients via Body Terminals

Author

Possamai Bastos, Rodrigo, DUTERTRE, Jean-Max, Garay Trindade, M., Camponogara-Viera, Raphael Andreoni, Potin, Olivier, Rey, S., Cheymol, B., Baylac, M., Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), École des Mines de Saint-Étienne (Mines Saint-Étienne MSE), Institut Mines-Télécom [Paris] (IMT), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), BEN TITO, Laurence, Techniques of Informatics and Microelectronics for integrated systems Architecture (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), and Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)

Subjects
[SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, PACS 85.42, ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION, Hardware_PERFORMANCEANDRELIABILITY, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics
Abstract

International audience; This work assesses for the first time a body built-in current sensor in a CMOS 65-nm test chip under neutron radiation and laser irradiation. The sensor is effective to detect transient faults induced from both.

Published
2019

24. On-Chip Current Sensors for Reliable, Secure, and Low-Power Integrated Circuits

Author

Possamai Bastos, Rodrigo, Torres, F.S., Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Deutsches Forschungszentrum für Künstliche Intelligenz GmbH = German Research Center for Artificial Intelligence (DFKI), Techniques of Informatics and Microelectronics for integrated systems Architecture (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), and Deutsches Forschungszentrum für Künstliche Intelligenz GmbH (DFKI)

Subjects
PACS 8542, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2019

25. On the reliability of Support Vector Machines

Author

Garay Trindade, Matheus, Possamai Bastos, Rodrigo, BEN TITO, Laurence, Circuits, Devices and System Integration (CDSI), Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), and Université Grenoble Alpes (UGA)

Subjects
PACS 85.42, [SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, ComputingMilieux_MISCELLANEOUS
Abstract

National audience

Published
2019

26. Fine Grain Body-Biasing: A strategy for asynchronous circuits

Author

Ferreira De Paiva Leite, Thiago, Iga, R., Engels, Sylvain, Possamai Bastos, Rodrigo, Fesquet, Laurent, Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), STMicroelectronics [Crolles] (ST-CROLLES), European Project: 621221,EC:FP7:SP1-JTI,ENIAC-2013-2,THINGS2D0(2014), Techniques of Informatics and Microelectronics for integrated systems Architecture (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Fesquet, Laurent, and THINGS2DO - THINGS2D0 - - EC:FP7:SP1-JTI2014-01-01 - 2018-01-01 - 621221 - VALID

Subjects
[SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, PACS 85.42, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, ComputingMilieux_MISCELLANEOUS
Abstract

Exhibition; International audience

Published
2018

27. Exploiting Body Terminals of Transistors for Performing Post-Fabrication Tests, Run-Time Tests, and Self-Adaptive Bias inIntegrated Circuits

Author

Possamai Bastos, Rodrigo, BEN TITO, Laurence, Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Université Grenoble Alpes, and Pascal Fouillat

Subjects
basse puissance, Design, Test, Integrated circuit, [SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, Harware Trojan, Body biasing, Hardware_PERFORMANCEANDRELIABILITY, Asynchronous circuit, transient fault, hardware Trojan, Concurrent error detection, erreur transitoire, Level shifter, Run-time test, Low power, Fault simulation, Soft error, Circuit intégré, conception, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, circuit asynchrone, Transcient fault, Built-in current sensor
Abstract

Ubiquitous integrated circuit applications help the humanity to rapidly evolve by supporting electronics systems that are more and more assuming autonomous functions and decisions of important responsibility for the society. In this context, dealing with security, reliability, and power issues of integrated circuits is fundamental to ensure the operation of systems within reasonable levels of privacy, safety, and energy consumption. Exploiting body terminals of transistors in CMOS technology-based systems, this work contributes with new techniques dedicated to: (a) test circuits – just after fabrication – for detecting possible hardware Trojans inserted to maliciously compromise systems; (b) test circuits on the fly for detecting transient faults provoked by radiation effects or malicious attacks; and (c) perform body bias adaptation in systems aiming to optimize speed and power but also compensate threshold voltage alterations induced by aging, process, voltage, and temperature variations. Moreover, herein, ongoing and near-future related activities and insights are discussed as potential perspectives of this work.

Published
2018

28. Fine Body Biasing Island Strategy in FD-SOI

Author

Iga Jadue, Rodrigo, Ferreira de Paiva Leite, Thiago, Rolloff, O., Possamai Bastos, Rodrigo, Fesquet, Laurent, Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Techniques of Informatics and Microelectronics for integrated systems Architecture (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), and Fesquet, Laurent

Subjects
[SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2017

29. Detection of Layout-Level Trojans by Injecting Current Into Substrate and Digitally Monitoring Built-In Sensors

Author

Acunha Guimarães, Leonel, Possamai Bastos, Rodrigo, Fesquet, Laurent, Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Techniques of Informatics and Microelectronics for integrated systems Architecture (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), and Fesquet, Laurent

Subjects
[SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2017

30. Towards high-sensitive built-in current sensors enabling detection of radiation-induced soft errors

Author

Rocha, R. O., Torres, F.S., Possamai Bastos, Rodrigo, Universidade Federal de Minas Gerais [Belo Horizonte] (UFMG), Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Techniques of Informatics and Microelectronics for integrated systems Architecture (TIMA), and Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)

Subjects
PACS 8542, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2017

31. New asynchronous protocols for enhancing area and throughput in bundled-data pipelines

Author

Simatic, Jean, Cherkaoui, Abdelkarim, Possamai Bastos, Rodrigo, Fesquet, Laurent, Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), ANR-11-LABX-0025,PERSYVAL-lab,Systemes et Algorithmes Pervasifs au confluent des mondes physique et numérique(2011), Techniques of Informatics and Microelectronics for integrated systems Architecture (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), and ANR-11-LABX-0025-01,PERSYVAL-lab,Systèmes et Algorithmes Pervasifs au confluent des mondes physique et numérique(2011)

Subjects
[SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics
Abstract

International audience; This paper presents two new area-reduced controllers for bundled-data asynchronous pipelines in which the stages have long critical paths. The proposed protocols allow to reduce the number of required delay elements by using the falling edge of the asynchronous request to indicate data validity. For critical path lengths of 25 gates, the first presented scheme decreases the controller area by 48% and slightly increases the maximum throughput (2%) in comparison to a standard micropipeline implementation. The other more-concurrent scheme proposition leads to a 25% area reduction and a 40% improvement of the maximum pipeline throughput.

Published
2016

32. AHLS_DESYNC: A Desynchronization Tool For High-Level Synthesis of Asynchronous Circuits

Author

Simatic, Jean, Possamai Bastos, Rodrigo, Fesquet, Laurent, Techniques of Informatics and Microelectronics for integrated systems Architecture (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), ANR-11-LABX-0025-01,PERSYVAL-lab,Systèmes et Algorithmes Pervasifs au confluent des mondes physique et numérique(2011), Bidégaray-Fesquet, Brigitte, Laboratoires d'excellence - Systemes et Algorithmes Pervasifs au confluent des mondes physique et numérique - - PERSYVAL-lab2011 - ANR-11-LABX-0025 - LABX - VALID, Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), and ANR-11-LABX-0025,PERSYVAL-lab,Systemes et Algorithmes Pervasifs au confluent des mondes physique et numérique(2011)

Subjects
[SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, Hardware_REGISTER-TRANSFER-LEVELIMPLEMENTATION, Hardware_LOGICDESIGN
Abstract

International audience; Event-triggered systems are suitable to address the power issues raised by the Internet of Things. We present a tool for the high-level synthesis (HLS) of event-driven (asynchronous) circuits.

Published
2016

33. Validation Of Single BBICS Architecture In Detecting Multiple Faults

Author

Camponogara-Viera, Raphael Andreoni, Possamai Bastos, Rodrigo, DUTERTRE, Jean-Max, Potin, Olivier, Flottes, Marie-Lise, Di Natale, Giorgio, Rouzeyre, Bruno, Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS), Département Systèmes et Architectures Sécurisés (SAS-ENSMSE), École des Mines de Saint-Étienne (Mines Saint-Étienne MSE), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)-CMP-GC, TEST (TEST), Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier (LIRMM), Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM), Techniques of Informatics and Microelectronics for integrated systems Architecture (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), and Di Natale, Giorgio

Subjects
[SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2015

34. Exploration of Noise Robustness and Sensitivity of Bulk Current Sensors for Soft Error Detection

Author

Melo, J.G.M., Torres, F.S., Possamai Bastos, Rodrigo, Universidade Federal de Minas Gerais [Belo Horizonte] (UFMG), Techniques of Informatics and Microelectronics for integrated systems Architecture (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), and Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)

Subjects
PACS 8542, ComputerSystemsOrganization_SPECIAL-PURPOSEANDAPPLICATION-BASEDSYSTEMS, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics
Abstract

International audience; Radiation induced soft errors are a serious concern not only for memories but also logic circuits. Amongst the several proposed countermeasures, Bulk Built-in Current Sensors represent a promising approach with fast response times and reasonable costs in terms of area and power. However, these circuits, as well as similar sensors that measure substrate effects, are strongly susceptible to substrate noise. The intention of this work is a thorough analysis of activation mechanism and noise behavior of these sensors as well the exploration of strategies to increase noise robustness.

Published
2015

35. Flot de conception pour l'ultra-faible consommation : échantillonage non-uniforme et électronique asynchrone

Author

Simatic, J., Possamai Bastos, Rodrigo, Fesquet, Laurent, Techniques of Informatics and Microelectronics for integrated systems Architecture (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS), and Torella, Lucie

Subjects
[SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, PACS 85.42, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, ComputingMilieux_MISCELLANEOUS
Abstract

National audience

Published
2015

36. Timing Issues of Transient Faults in Concurrent Error Detection Schemes

Author

Possamai Bastos, Rodrigo, Di Natale, Giorgio, Flottes, Marie-Lise, Rouzeyre, Bruno, Conception et Test de Systèmes MICroélectroniques (SysMIC), Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier (LIRMM), Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM), and Possamai Bastos, Rodrigo

Subjects
transient faults, concurrent error dectection codes, [SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, and security, Hardware_PERFORMANCEANDRELIABILITY, fault tolerance, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, soft errors, fault attacks
Abstract

National audience; This work reveals additional timing difficulties by which concurrent error detection (CED) schemes can experience to deal efficiently with transients. It shows previously-unknown error scenarios where short-duration single transient faults in combinational logic circuits succeed in erroneously inverting stored results but CED schemes fail in detecting even single soft errors. The paper demonstrates that typical CED code-based schemes for protecting logic circuits are not as capable as they have been claimed whether flip-flops are used to register the error signals, and so timing conditions are suggested for a more efficient use of them.

Published
2011

37. Detection of Transient Faults in Nanometer Technologies by using Modular Built-In Current Sensors

Author

Torres, F.S., Possamai Bastos, Rodrigo, Federal University of Minas Gerais (UFMG), Techniques of Informatics and Microelectronics for integrated systems Architecture (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), and Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)

Subjects
detection-of-faults, transient fault, PACS 85.42, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics
Abstract

International audience; Soft error resilience is an increasingly important requirement of integrated circuits realized in CMOS nanometer technologies. Among the several approaches, Bulk Built-in Current Sensors (BBICS) offer a promising solution as they are able to detect particle strikes immediately after its occurrence. Based on this idea we demonstrate a novel modular BBICS (mBBICS) that tackles the main problems of these in-tegrated sensors - area, leakage, and robustness. Simulations based on a predictive nanometer technology indicate competi-tive response times for high performance applications at the cost of 25 % area overhead and very low power penalty. Thereby, all simulated particle strikes that lead to transient faults could be detected. Additionally, reliability analysis proved the robustness of the proposed mBBICS against wide variations of temperature and process parameters.

Published
2013

38. Calibrating Bulk Built-in Current Sensors for Detecting Transient Faults

Author

Possamai Bastos, Rodrigo, Di Natale, Giorgio, Flottes, Marie-Lise, Rouzeyre, Bruno, Conception et Test de Systèmes MICroélectroniques (SysMIC), Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier (LIRMM), and Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)

Subjects
[SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics
Abstract

National audience; This work presents a novel circuit for detecting transient faults in combinational and sequential logic. The detection mechanism features a built-in current sensor connected to the bulks of the monitored logic. The proposed circuit was optimized in terms of power consumption and enhanced with low-power sleep-mode. In addition, a calibration method for bulk built-in current sensors is presented. Overhead results indicate an increase of only 15% in power consumption which represents an improvement of almost factor 6 compared to similar existing sensor.

Published
2012

40. Systèmes Robustes aux Fautes Transitoires Exploitant la Logique Asynchrone Quasi-Insensible aux Délais

Author

Possamai Bastos, Rodrigo, Techniques de l'Informatique et de la Microélectronique pour l'Architecture des systèmes intégrés (TIMA), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS), Institut National Polytechnique de Grenoble - INPG, M. Renaudin(marc.renaudin@tiempo-ic.com), Techniques of Informatics and Microelectronics for integrated systems Architecture (TIMA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), and Torella, Lucie

Subjects
transient-effects, transient faults, [SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, QDI circuits, systems, circuits asynchrones, QDI, fault tolerance, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, transient-faults-sensitivity-evaluation, fautes transitoires, systèmes robustes
Abstract

Recent deep-submicron technology-based ICs are significantly more vulnerable to transient faults. The arisen errors are thus also more critical than they have ever been before. This thesis presents a further novel benefit of the Quasi-Delay Insensitive (QDI) asynchronous circuits in terms of reliability: their strong natural ability to mitigate longduration transient faults that are severe in modern synchronous circuits. A methodology to evaluate comparatively the transient-fault effects on synchronous and QDI asynchronous circuits is presented. Furthermore, a method to obtain the transient-fault mitigation ability of the QDI circuits' memory elements (i.e., the C-elements) is also proposed. Finally, mitigation techniques are suggested to increase even more the Celements' transient-fault attenuation, and thus also the QDI asynchronous systems' robustness., Les technologies nanoélectroniques récentes font que les circuits intégrés deviennent de plus en plus vulnérables aux fautes transitoires. Les erreurs engendrées sont aussi plus critiques que jamais auparavant. Cette thèse présente un nouvel avantage en terme de fiabilité des circuits asynchrones quasi-insensibles aux délais (QDI) : Leurs fortes résistances naturelles aux fautes transitoires de longue durée qui sont graves pour les circuits synchrones actuels. Une méthodologie pour évaluer comparativement les effets des fautes transitoires sur les circuits synchrones et asynchrones QDI est présentée. En outre, une méthode pour obtenir la résistance aux fautes transitoires des éléments mémorisants spécifiques aux circuits QDI (les portes de Muller) est également proposée. Enfin, des techniques de tolérance ont été étudiées pour augmenter encore la robustesse des portes de Muller aux fautes transitoires, et donc aussi la robustesse des systèmes asynchrones QDI.

Published
2010

41. Design of a Robust 8-Bit Microprocessor to Soft Single Event Effects

Author

Possamai Bastos, Rodrigo, Lima Kastensmidt, Fernanda, Reis, Ricardo, Universidade Federal do Rio Grande do Sul [Porto Alegre] (UFRGS), and PgMicro - Instituto de Informática [UFRGS] (PGMICRO)

Subjects
[SPI]Engineering Sciences [physics], [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2006

42. Designing Low-Power Embedded Software for Mass-Produced Microprocessor by Using a Loop Table in On-Chip Memory.

Author

Paliouras, Vassilis, Vounckx, Johan, Verkest, Diederik, Possamai Bastos, Rodrigo, Lima Kastensmidt, Fernanda, and Reis, Ricardo

Abstract

This work presents a methodology for low-power embedded software design to mass-produced microprocessors. It is based on identifying the frequently accessed loops from the application program and to build a loop table in already present on-chip memory of standard microcontroller. By using the loop table, the loops are accessed from the on-chip memory and not any longer from a power expensive memory bus. Results based on benchmarks show a considerable reduction in power, without penalties in area or performance. [ABSTRACT FROM AUTHOR]

Published
2005
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43. Anàlisi dels Efectes de Radiació d'una Òrbita Terrestre Mitjana en Sistemes Digitals per a Naus Espacials

Author

Gorchs Picas, Marti, Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions, Université Grenoble Alpes, Rey Micolau, Francesc, and Possamai Bastos, Rodrigo

Subjects
Satèl·lits artificials, Astrofísica, Radiation, sistemas electrónicos, Artificial satellites, Física::Astronomia i astrofísica [Àrees temàtiques de la UPC], radiación, Electronic systems, satélites artificiales, Astrophysics, Sistemes electrònics, Radiació
Abstract

Field-programmable gate array (FPGA) are very appealing for space-based applications thanks to their great flexibility, allowing reconfiguration during spaceflight. However, they are sensitive to space radiation, especially to single event upsets (SEU), which may provoke modifications to the circuit implemented in the FPGA. The COTS-2 experimental board was designed at the UGA/TIMA laboratory for assessing the use of a fault-tolerant technique in a FPGA operating in a real environment. The board was embedded in the DSX spacecraft, which followed a medium Earth orbit (MEO) from June 2019 to May 2021. This project presents the analysis and discussion of the first MEO spaceflight results of radiation effects in a FPGA protected with the classical triple modular redundancy (TMR) technique. Results show that the TMR has not been able to mitigate radiation-induced failures in multiple occasions throughout the mission. Las matrizes de puertas programables en campo (FPGA) son muy atractivas para aplicaciones espaciales gracias a su gran flexibilidad, permitiendo la reconfiguración durante el transcurso de la misión. Sin embargo, son sensibles a la radiación espacial, especialmente a los trastornos de un solo evento (SEU), que pueden provocar modificaciones al circuito implementado en la FPGA. La placa experimental COTS-2 fue diseñada en el laboratorio UGA/TIMA para evaluar el uso de una técnica tolerante a fallos en un FPGA operando en un entorno real. La placa fue incluida en la nave espacial DSX, que siguió una órbita terrestre media (MEO) desde junio 2019 hasta mayo 2021. Este proyecto presenta el análisis y discusión de los primeros resultados experimentales en MEO sobre los efectos de la radiación en una FPGA protegida con la conocida técnica de triple redundancia modular (TMR). Los resultados muestran que la TMR no ha sido capaz de mitigar errores causados por la radiación en múltiples ocasiones a lo largo de la misión. Les matrius de portes programables en camp (FPGA) són molt atractives per a aplicacions espacials gràcies a la seva gran flexibilitat, permetent la reconfiguració durant el transcurs de la missió. Tanmateix, són sensibles a la radiació espacial, especialment a les alteracions d’un sol esdeveniment (SEU), que poden provocar modificacions al circuit implementat en la FPGA. La placa experimental COTS-2 fou dissenyada al laboratori UGA/TIMA per a l’avaluació d’una tècnica tolerant a errors en una FPGA funcionant en un entorn real. La placa fou inclosa en la nau espacial DSX, seguint una òrbita terrestre mitjana (MEO) des del juny de 2019 fins al maig de 2021. Aquest projecte presenta l’anàlisi i discussió dels primers resultats experimentals a MEO sobre els efectes de radiació en una FPGA protegida amb la coneguda tècnica de redundància modular triple (TMR). Els resultats mostren que la TMR no ha estat capaç de mitigar errors causats per la radiació en múltiples ocasions al llarg de la missió.

Published
2022

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