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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 397 records · Page 22
All sourcesNASA NTRSDOE OSTI
NASA NTRS2017

Echoes of the Past, Glimpses of the Future - Ongoing Trends in Assurance of EEE Parts for Spaceflight

This presentation will review some past NASA presentations that had identified challenges and future trends in the assurance of Electrical, Electronic and Electromechanical (EEE) parts for spaceflight applications. It will contrast the concerns expressed in those presentations with the challenges of today and identify trends that give insight into the future. Common themes include the use of commercial parts, limited technical and physical resources, the pace of technology change and the difficulties in handling and testing individual parts as they become smaller and more complex. Some options for dealing with these challenges will be suggested to accommodate increasing numbers of smallsats, cubesats, constellations and other disruptive concepts, as space becomes more and more commercialized.

NASA Electronic Parts and Packaging (NEPP) Program↗
NASA NTRS2017

Considerations for GPU SEE Testing

This presentation will discuss the considerations an engineer should take to perform Single Event Effects (SEE) testing on GPU devices. Notable topics will include setup complexity, architecture insight which permits cross platform normalization, acquiring a reasonable detail of information from the test suite, and a few lessons learned from preliminary testing.

NASA Electronic Parts and Packaging (NEPP) Program↗
NASA NTRS2017

Protons, Aerospace, and Electronics: A National Interest

The aerospace and semiconductor industries lost 2000 hours annually of research access when IUCF closed. An ad hoc team between the U.S. government and industry was formed to evaluate other facility options. In this presentation, we will discuss: 1) Why aerospace, semiconductor manufacturers, and others are interested in proton facility access, as well as, 2) Some of the basics of a typical test for electronics, and 3) We'll conclude with the brief current status on progress.

NASA Electronic Parts and Packaging (NEPP) Program↗
NASA NTRS2018

Protons, Aerospace, and Electronics: A National Interest

The aerospace and semiconductor industries lost approximately 2000 hours annually of research access when IUCF closed. An ad hoc team between the U.S. government and industry was formed to evaluate other facility options. In this presentation, we will discuss: 1) Why aerospace, semiconductor manufacturers, and others are interested in proton facility access, as well as, 2) Some of the basics of a typical tests for electronics, and 3) We'll conclude with the brief current status on progress.

Parts assurance↗
NASA NTRS2018

Protons, Aerospace, and Electronics: A National Interest

The aerospace and semiconductor industries lost approx. 2000 hours annually of research access when IUCF closed. An ad hoc team between the U.S. government and industry was formed to evaluate other facility options. In this presentation, we will discuss: 1) Why aerospace, semiconductor manufacturers, and others are interested in proton facility access, as well as, 2) Some of the basics of a typical test for electronics, and 3) We"ll conclude with the brief current status on progress.

NASA Electronic Parts and Packaging (NEPP) Program↗
NASA NTRS2018

Graphics Processing Unit (GPU) Devices

This presentation will include information about Graphics Processing Unit (GPU) technology, NASA Electronic Parts and Packaging (NEPP) tasks and their purpose, collaborations, a roadmap, NEPP partners, results to date, and future plans.

Single Event Effects (SEE)↗
NASA NTRS2018

Double Data Rate (DDR) Memory Devices

This presentation will include information about Double Data Rate (DDR) technology, NASA Electronic Parts and Packaging (NEPP) tasks and their purpose, collaborations, a roadmap, NEPP partners, results to date, and future plans.

NASA Electronic Parts and Packaging (NEPP) Program↗
NASA NTRS2018

Standardizing GPU Radiation Test Approaches

While some Graphical Processing Units (GPUs) are discrete components (i.e.GTX1050), others take the form of an IP block or embedded engine within a System on Chip (SoC) device such as the Qualcomm Snapdragon"TM" 820 which contains a Qualcomm Adreno"TM" 530 GPU. Within this device are various functional blocks which can be exercised with software payloads. NVidia's Jetson"TM" TX1 SoC is provided on a System on Module (SOM). Within it are Central Processing Unit (CPU) cores and an nVidia GPU which can be accessed similarly to a discrete GPU coprocessor. While the packaging is different, each one of these GPUs needs to be tested using the same standardized code.

Single Event Effects (SEE)↗
NASA NTRS2018

Body of Knowledge for Graphics Processing Units (GPUs)

Graphics Processing Units (GPU) have emerged as a proven technology that enables high performance computing and parallel processing in a small form factor. GPUs enhance the traditional computer paradigm by permitting acceleration of complex mathematics and providing the capability to perform weighted calculations, such as those in artificial intelligence systems. Despite the performance enhancements provided by this type of microprocessor, there exist tradeoffs in regards to reliability and radiation susceptibility, which may impact mission success. This report provides an insight into GPU architecture and its potential applications in space and other similar markets. It also discusses reliability, qualification, and radiation considerations for testing GPUs.

NASA Electronic Parts and Packaging (NEPP) Program↗
NASA NTRS2019

ISSI IS46DR16640B-25DBA25 DDR2 SDRAM Total Ionizing Dose Characterization Test Report

The purpose of this testing is to characterize the ISSI IS46DR16640B-25DBA25 parameter degradation for total dose response. This test’s purpose is to evaluate and compare lot date codes for sensitivity. In the test, the device is exposed to both low dose and high dose rate (HDR) irradiations using gamma radiation. Device parameters such as leakage currents, quantity of upset bits or addresses, and overall chip and die health are investigated to determine which lot is more robust. These parameters directly affect the functionality of the memory within a system and may determine thresholds necessary to mitigate failure.

Total Ionizing Dose (TID)↗
NASA NTRSDate not supplied

NEPP Processor Enclave

Explore the source record for details and available documents.

graphics processing unit (GPU)↗
DOE OSTI2020

Combined Heat and Power Deployment Program

Combined heat and power (CHP) is an efficient and clean approach to generating on-site electric power and useful thermal energy from a single fuel source. Instead of purchasing electricity from the distribution grid and burning fuel in an on-site furnace or boiler to produce thermal energy, CHP provides both energy services to a facility in one energy-efficient step.

CHP↗