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Briefs: Medical
The innovation consists of a method for fabricating containers (“biocapsules”) made of biocompatible mesh for holding living cells and tissues,...
Briefs: Information Technology
Non-Binary Protograph-Based LDPC Codes for Short Block Lengths
Short block codes are in demand by international space agencies for transmission of command and control data to spacecraft in the uplink channel. Codes that outperform currently used binary codes with the same block lengths and code rates are desirable. A design method constructs...
Briefs: Information Technology
Method Resolves Algebraic Loops While Improving Accuracy and Reducing Runtime
A method has been developed for resolving algebraic loops that occur in closed-loop systems when using MathWorks Simulink modeling and simulation tools. This variable fidelity method improves accuracy and reduces runtime significantly for users of Simulink Coder...
Briefs: Physical Sciences
Solar Pumped Fiber Laser for Solar Sail Propulsion and Remote Power Transfer
A new method has been developed to create coherent laser light efficiently with direct optical coupling of the Sun’s energy into the gain medium for multiple uses. New advances in solar cell photovoltaic (PV) technologies have greatly improved their efficiencies, mostly...
Briefs: Photonics/Optics
ELID Grinding of Large Aspheres
This work focused on a manufacturing process to produce silicon carbide optical surfaces with low mid-spatial surface errors. Mid-spatial frequency (MSF) and high-spatial frequency (HSF) surface errors in the grinding of fast aspheres are amplified in hard ceramics like silicon carbide due to cyclic tool wear rates,...
Briefs: Photonics/Optics
Systems and Methods for Localized Surface Plasmon Resonance Sensing
Recently, there is widespread interest in the development of chemical and biochemical sensors based on plasmonic resonance of metallic nanostructures. In the localized surface plasmon resonance (LSPR) for nanometer-sized metallic structures, a resonant oscillation of the conduction...
Briefs: Mechanical & Fluid Systems
Equipment for space exploration is almost impossible to test on Earth. Testing is expensive and cannot replicate the conditions of launch, cruise, landing, and travel across a planetary surface. As...
Briefs: Software
The European Organization for Nuclear Research (CERN) requires new magnets that are smaller than their predecessors to accommodate new instrumentation. Because of their size, these magnets...
Briefs: Physical Sciences
Keysight Technologies (formerly Agilent Technologies) develops world-leading equipment for solving tough measurement challenges. The company’s Infiniium 90000 Q-Series...
Briefs: Mechanical & Fluid Systems
The use of composites is rapidly growing across many industries, fostering the need for new design, analysis, and optimization technologies. Every industry feels increasing pressure to launch breakthrough...
Briefs: Software
Simulation and Visualization of Elastodynamics in Time- Evolving Generalized Curvilinear Coordinates
This innovation unifies an earlier innovation and a new solution method based on finite differences to simulate structural dynamic phenomena...
Briefs: Information Technology
3D Finite Element Model of Magnetic Mirror and Nano Antenna
A 3D finite element mathematical model has been developed for representing a behavior of a magnetic mirror and nano antenna subject to polarized incident light. This model represents the fourth generation of magnetic mirror with the goal of suppressing the diffraction.
Briefs: Information Technology
T-MATS is an open-source Simulink library for use in modeling and simulation of thermodynamic systems. It provides a user friendly graphical MATLAB/Simulink-compatible toolbox...
Briefs: Software
Advanced Numerical Tools for Design and Analysis of In-Space Valve and Feed Systems
A high-fidelity numerical simulation software (CRUNCH CFD®) predicts the transient performance of flight valve designs, provides design support by supplementing current empirical rules, and diagnoses system anomalies. Currently, transient analysis of valves is...
Briefs: Software
Method for Visualization of Analog Signals
In this innovation, a method makes use of a new technique for describing analog information based on the roots of polynomial functions of infinite degree. Monotonic analog signals are transformed into characters that are fused into a two-dimensional composite visualization of the generating signal...
Briefs: Software
Time-Multiplexed Pipelined FFT Implementation
A fast Fourier transform (FFT) was developed as part of the Soil-Moisture Active/Passive (SMAP) project. The FFT was created on 16-bit data arriving at a rate of 48 MHz to run on a resource-constrained, space-grade field programmable gate array (FPGA).
Briefs: Electronics & Computers
Method for Authorizing Critical Effector Commands in a Space-Based Integrated Modular Avionics System
An Integrated Modular Avionics (IMA) architecture provides a common platform for software partitions with shared processing and input/output (I/O) resources. A key feature of the IMA architecture is I/O partitioning. An IMA system will prevent one...
Briefs: Software
An interrupt is a signal in an interrupt controller (IC) that pulses to indicate an event or error. The IC is responsible for processing multiple internal interrupts and making these interrupts available...
Briefs: Software
Using a Multicast File Transfer Protocol to Update the Firmware of Multiple Embedded Devices Simultaneously
Smart sensors for measuring temperature and pressure have been developed as part of the Advanced Ground Systems Maintenance (AGSM) project. The sensors have flash memory for storing firmware, calibration data, and configuration information....
Briefs: Software
Model of Radiation Effects on Electronics (MREE)
An updated software model has been developed for predicting the single-event effect (SEE) rates in circuit designs as they are being designed. This tool will be used for estimating the frequency of the various SEEs, such as logic upsets and circuit latch-up. It may also be used to estimate the total...
Briefs: Software
Development of an Analytical Parameterized Linear Lateral Dynamic Model for an Aerobot Airship
Saturn’s moon Titan is of high interest for in situ study due to its many intriguing features. This moon has a dense atmosphere; rough, icy terrain; and low surface winds that make it the ideal place to send a controlled aerial robotic platform, such as...
Briefs: Mechanical & Fluid Systems
Algorithm Enhancements to Powered Descent Guidance Software
The Powered Descent Guidance (PDG) software provides a computationally efficient guidance algorithm for powered descent that ensures satisfaction of the governing dynamics, along with adherence to physical control and state constraints, such as avoid the surface, limit thrust magnitude and...
Briefs: Mechanical & Fluid Systems
Aerodynamic control surfaces, with excessive free-play, can cause limit cycle oscillations (LCO), a sustained vibration of constant amplitude. The LCO is caused by a...
Briefs: Software
Design Environment for Multi-Fidelity and Multi-Disciplinary Components
Many of the most challenging aspects of propulsion system development are related to the prediction of interacting effects among fluid loads, thermal loads, and structural deflection. A typical design practice might ignore the interaction between the physical phenomena where...
Briefs: Software
Shipping Foam Designer Software
An easy-to-use design tool was developed in response to a large number of documented cases of critical (flight and ground) hardware failing after experiencing drops during commercial shipment. By entering the mass of the hardware to be protected, and the drop height, the software helps the user select the type and...
Briefs: Mechanical & Fluid Systems
Evolutionary Mission Trajectory Generator
The Evolutionary Mission Trajectory Generator (EMTG) is a global trajectory optimization tool for designing interplanetary missions that perform multiple flybys and either low-thrust or high-thrust propulsive maneuvers on the way to destinations in the solar system. Some targets, such as Mars and Venus, are...
Briefs: Mechanical & Fluid Systems
Visual International Space Station Configuration Viewing Tool
Communicating the current International Space Station (ISS) configuration and also potential ISS configurations is a necessity during ISS trade studies and Ops Con development. Often, multiple configuration options will need to be communicated. Doing so without a means of displaying an...
Briefs: Mechanical & Fluid Systems
Predicting turbulent flowfield and pressure drop in complex internal flows, such as valves, pumps, and turbines, is of great interest in many areas of...
Briefs: Materials
Multi-Species Turbulent Mixing Under Supercritical-Pressure Conditions
A model describing supercritical-pressure, multi-species turbulent mixing has been developed to simulate situations prevailing in diesel, gas turbine, and HCCI (homogeneous charge compression ignition) engines. It is also a situation occurring in atmospheric planetary science,...
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Webcasts
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Advantages of Smart Power Distribution Unit Design for Automotive &...
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Quiet, Please: NVH Improvement Opportunities in the Early Design...
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Cooling a New Generation of Aerospace and Defense Embedded...
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Beyond AI-Copy-Paste Engineering: Advanced AI-Integration Success...
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