Electrical/​Electronics

Current data systems catalog and link data using a synthetic modeling approach that requires much domain knowledge in order to interact with the system. Domain knowledge includes what keyword to look for and how data artifacts are linked. OSCAR offers a semantic solution to data...

SPSCGR generates a contact graph suitable for use by the ION (Interplanetary Overlay Network) DTN (Delay/Disruption Tolerant Network) implementation from data provided by the JPL SPS (Service Preparation System) Portal. Prior to SPSCGR, there was no way for a mission or other entity to route DTN traffic across the DSN without manually...

Modern parallel file systems achieve high performance by distributing (“striping”) the contents of a single file across multiple physical disks to overcome single-disk I/O bandwidth limitations. The striping characteristics of a file determine how many disks it will be striped across and how large each...

Currently, there is a need for the computational handling of near-singularities that arise in many branches of physics, particularly for handling near-strong singularities. An example of such singularities is presented by the case of gradients...

Internal electrostatic discharge (IESD) can cause spacecraft failure and anomalies related to the space environment, but it is very hard to predict when IESD might happen. Therefore, assessment of the IESD at a given space environment and a given dielectric geometry is important for spacecraft reliability.

ISAAC (Instrument Shared Artifact for Computing) offers adaptability, computation power, I/O bandwidth, digital interface standards, and data processing capability in a single, common, low-mass/power, and small-form-factor platform with significantly reduced, nonrecurring cost and risk...

In recent years, electrochemical capacitors, or supercapacitors, have gained the most intense interest as an alternative to traditional energy storage devices such as batteries. The demands of the potential supercapacitor applications range from plug-in hybrid electric vehicles (PHEVs) to...

Imaging LiDAR systems such as Goddard’s Reconfigurable Solid-state LiDAR (GRSSLi) must collect and process reflected pulses of light in order to correctly assemble a three-dimensional image of the scene. These pulses of light generally range from 2-5...