Briefs: Information Technology
Reduced-Order Kalman Filtering for Processing Relative Measurements
A study in Kalman-filter theory has led to a method of processing relative measurements to estimate the current state of a physical system, using less computation than has previously been thought necessary. As used here, "relative measurements" signifies measurements that yield...
Briefs: Information Technology
An improved method of computing positions of objects from digitized images acquired by two or more cameras (see figure) has been developed for use in tracking debris shed by a...
Briefs: Electronics & Computers
Spaceborne Processor Array
A Spaceborne Processor Array in Multifunctional Structure (SPAMS) can lower the total mass of the electronic and structural overhead of spacecraft, resulting in reduced launch costs, while increasing the science return through dynamic onboard computing. SPAMS integrates the multifunctional structure (MFS) and the...
Briefs: Electronics & Computers
A charge-control unit was developed as part of a program to validate Li-ion cells packaged together in batteries for aerospace use. The lithium-ion cell charge- control unit will be useful to...
Briefs: Electronics & Computers
Radio-frequency identification (RFID) would be used for commercial product activation, according to a proposal. The concept of RFID is not new: RFID systems are widely used in commerce for tracking...
Briefs: Electronics & Computers
The cup cylindrical waveguide antenna (CCWA) is a short backfire microwave antenna capable of simultaneously supporting the transmission or reception of two distinct signals having opposite circular...
Briefs: Electronics & Computers
A chromatic modulator has been proposed to enable the separate detection of the red, green, and blue (RGB) color components of the same scene by a single charge- coupled device (CCD),...
Briefs: Information Technology
Aerobraking Maneuver (ABM) Report Generator
abmREPORT Version 3.1 is a Perl script that extracts vital summarization information from the Mars Reconnaissance Orbiter (MRO) aerobraking ABM build process. This information facilitates sequence reviews, and provides a high-level summarization of the sequence for mission management.
Briefs: Electronics & Computers
An improved self-validating thermocouple (SVT) instrumentation system not only acquires readings from a thermocouple but is also capable of detecting deterioration and a variety of discrete...
Briefs: Information Technology
ABM Drag_Pass Report Generator
dragREPORT software was developed in parallel with abmREPORT, which is described in the preceding article. Both programs were built on the capabilities created during that process. This tool generates a drag_pass report that summarizes vital information from the MRO aerobreaking drag_pass build process to...
Briefs: Semiconductors & ICs
To help satisfy a need for high-density logic circuits insensitive to radiation, it has been proposed to realize inverse majority gates as microscopic vacuum electronic devices. In comparison with...
Briefs: Information Technology
Transformation of OODT CAS To Perform Larger Tasks
A computer program denoted OODT CAS has been transformed to enable performance of larger tasks that involve greatly increased data volumes and increasingly intensive processing of data on heterogeneous, geographically dispersed computers. Prior to the transformation, OODT CAS (also alternatively...
Briefs: Information Technology
Visualization Component of Vehicle Health Decision Support System
The visualization front-end of a Decision Support System (DSS) also includes an analysis engine linked to vehicle telemetry, and a database of learned models for known behaviors. Because the display is graphical rather than text-based, the summarization it provides has a greater...
Briefs: Information Technology
Mars Reconnaissance Orbiter Uplink Analysis Tool
This software analyzes Mars Reconnaissance Orbiter (MRO) orbital geometry with respect to Mars Exploration Rover (MER) contact windows, and is the first tool of its kind designed specifically to support MRO-MER interface coordination. Prior to this automated tool, this analysis was done manually...
Briefs: Information Technology
G-Guidance Interface Design for Small Body Mission Simulation
The G-Guidance software implements a guidance and control (G&C) algorithm for small-body, autonomous proximity operations, developed under the Small Body GN&C task at JPL. The software is written in Matlab and interfaces with G-OPT, a JPL-developed optimization package written...
Briefs: Information Technology
DSN Scheduling Engine
The DSN (Deep Space Network) Scheduling Engine targets all space missions that use DSN services. It allows clients to issue scheduling, conflict identification, conflict resolution, and status requests in XML over a Java Message Service interface. The scheduling requests may include new requirements that represent a set of...
Briefs: Information Technology
Replacement Sequence of Events Generator
The soeWINDOW program automates the generation of an ITAR (International Traffic in Arms Regulations)- compliant sub-RSOE (Replacement Sequence of Events) by extracting a specified temporal window from an RSOE while maintaining page header information. RSOEs contain a significant amount of information...
Briefs: Information Technology
Force-Control Algorithm for Surface Sampling
A G-FCON algorithm is designed for small-body surface sampling. It has a linearization component and a feedback component to enhance performance. The algorithm regulates the contact force between the tip of a robotic arm attached to a spacecraft and a surface during sampling. The control algorithm is...
Briefs: Information Technology
Problem Reporting System
The Problem Reporting System (PRS) is a Web application, running on two Web servers (load-balanced) and two database servers (RAID-5), which establishes a system for submission, editing, and sharing of reports to manage risk assessment of anomalies identified in NASA's flight projects. PRS consolidates diverse anomaly-...
Briefs: Information Technology
Tool for Merging Proposals Into DSN Schedules
A Practical Extraction and Reporting Language (Perl) script called "merge7da" has been developed to facilitate determination, by a project scheduler in NASA's Deep Space Network, of whether a proposal for use of the DSN could create a conflict with the current DSN schedule. Prior to the development...
Application Briefs: Imaging
Mechdyne Corp.
Marshalltown, IA
641-754-4649
www.mechdyne.com
Mechdyne Corporation has installed a CAVE™ display system...
Application Briefs: Software
LDRA
San Bruno, CA
650-583-8880
www.ldra.com
Aimed at safely transferring astronauts to and from the International Space Station...
Briefs: Information Technology
Simulation of Stochastic Processes by Coupled ODE-PDE
A document discusses the emergence of randomness in solutions of coupled, fully deterministic ODE-PDE (ordinary differential equations-partial differential equations) due to failure of the Lipschitz condition as a new phenomenon. It is possible to exploit the special properties of ordinary...
Articles: Software
Senior Vice President of
the Manufacturing Division
Autodesk
San Rafael, CA
Innovation is a way of life at Autodesk. Since our introduction of AutoCAD software...
Briefs: Electronics & Computers
Cluster Inter-Spacecraft Communications
A document describes a radio communication system being developed for exchanging data and sharing data-processing capabilities among spacecraft flying in formation. The system would establish a high-speed, low- latency, deterministic loop communication path connecting all the spacecraft in a cluster. The...
Briefs: Information Technology
Genetic Algorithm Optimizes Q-LAW Control Parameters
A document discusses a multi-objective, genetic algorithm designed to optimize Lyapunov feedback control law (Q-law) parameters in order to efficiently find Pareto- optimal solutions for low-thrust trajectories for electronic propulsion systems. These would be propellant-optimal solutions for...
Briefs: Software
Quantum-Inspired Maximizer
A report discusses an algorithm for a new kind of dynamics based on a quantum-classical hybrid-quantum-inspired maximizer. The model is represented by a modified Madelung equation in which the quantum potential is replaced by different, specially chosen "computational" potential. As a result, the dynamics attains both...
Products: Motion Control
ACS Motion Control (Plymouth, MN) has developed a rack-mounted motion controller that delivers smooth motion control at high speeds, without compromising accuracy, for the most demanding applications. The...
Products: Electronics & Computers
The Industrial Automation Group of Advantech (Cincinnati, OH) has unveiled two new ADAM analog input modules, the ADAM-5017P and ADAM-5018P. The ADAM-5017P has eight different independent configuration channels, supports...
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