Keyword: Control systems

Application Briefs: Robotics, Automation & Control

Previously, the walk from the sales counter of the pharmacy to the medication drawer wasted valuable time. Today, the fully automated picking system for European pharmacies by KLS requires only...

Application Briefs: Photonics/Optics

Innovation, demand, and falling prices have resulted in high quality large format commercial-off-the-shelf (COTS) LCD displays moving from the living room to high availability, mission...

Briefs: Information Technology
Multiplexer/Demultiplexer Loading Tool (MDMLT)

The purpose of the MDMLT is to improve the reliability and speed of loading multiplexers/ demultiplexers (MDMs) in the Software Development and Integration Laboratory (SDIL) by automating the configuration management (CM) of the loads in the MDMs, automating the loading procedure, and providing the...

Articles: Robotics, Automation & Control

Motion control choices are best made in light of the whole system architecture, as the selection of system architecture will drive not only the implementation and integration stages of the...

Briefs: Physical Sciences
Health-Enabled Smart Sensor Fusion Technology

A process was designed to fuse data from multiple sensors in order to make a more accurate estimation of the environment and overall health in an intelligent rocket test facility (IRTF), to provide reliable, high-confidence measurements for a variety of propulsion test articles.

Briefs: Manufacturing & Prototyping
Improvements in Cold-Plate Fabrication

Five improvements are reported in cold-plate fabrication. This cold plate is part of a thermal control system designed to serve on space missions.

Briefs: Mechanical & Fluid Systems

The addition of the Multi-Mission Radioisotope Thermoelectric Generator (MMRTG) to the Mars Science Laboratory (MSL) Rover requires an...

Briefs: Electronics & Computers
XMOS XC-2 Development Board for Mechanical Control and Data Collection

The scanning microwave limb sounder (SMLS) will use technological improvements in low-noise mixers to provide precise data on the Earth’s atmospheric composition with high spatial resolution. This project focuses on the design and implementation of a real-time control...

Articles: Software

The evolution of operator interfaces has moved quite far beyond the pushbutton. Once, the intelligence resided in the operator’s brain, and considerable experience and training were required to...

Briefs: Software
Propulsive Reaction Control System Model

This software models a propulsive reaction control system (RCS) for guidance, navigation, and control simulation purposes. The model includes the drive electronics, the electromechanical valve dynamics, the combustion dynamics, and thrust. This innovation follows the Mars Science Laboratory entry reaction...

Application Briefs: Materials
Multi-Layer Insulation (MLI) materials
Dunmore Corporation
Bristol, PA

The final flight of the Space Shuttle...

Articles: Photonics/Optics

In the world of precision motion control there is a continuous pursuit of higher performance, whether it’s resolution, speed, stability, accuracy or step size. Even if a specified device appears...

Articles: Robotics, Automation & Control

After turning the dial to heavy-duty and pushing the start button, Modi waits for the click that indicates that the interlock mechanism successfully locked the door of the washing machine. Shortly after, the...

Articles: Robotics, Automation & Control

Today’s human-machine interfaces (HMIs) provide the link between sophisticated technology and the human touch required to effectively operate essential systems and applications. By...

Briefs: Software
Automated Cryocooler Monitor and Control System Software

This software is used in an automated cryogenic control system developed to monitor and control the operation of small-scale crycoolers. The system was designed to automate the cryogenically cooled low-noise amplifier system described in “Automated Cryocooler Monitor and Control...

Briefs: Mechanical & Fluid Systems
Draper Station Analysis Tool

Draper Station Analysis Tool (DSAT) is a computer program, built on commercially available software, for simulating and analyzing complex dynamic systems. Heretofore used in designing and verifying guidance, navigation, and control systems of the International Space Station, DSAT has a modular architecture that lends...

Briefs: Information Technology
Flight Simulation of ARES in the Mars Environment

A report discusses using the Aerial Regional-scale Environmental Survey (ARES) light airplane as an observation platform on Mars in order to gather data. It would have to survive insertion into the atmosphere, fly long enough to meet science objectives, and provide a stable platform.

Briefs: Information Technology
Optimal Control Via Self-Generated Stochasticity

The problem of global maxima of functionals has been examined. Mathematical roots of local maxima are the same as those for a much simpler problem of finding global maximum of a multi-dimensional function. The second problem is instability — even if an optimal trajectory is found, there is no...

Application Briefs: Robotics, Automation & Control

How do you test the behavior of different soil structures in an earthquake? Obviously, large earthquakes don’t happen often, and they certainly don’t happen on cue. The...

Articles: Robotics, Automation & Control

Medical equipment motion control runs the gamut from electric wheelchair motion to heart assist pumps. This article will focus on the segment consisting of medical laboratory instruments....

Application Briefs: Software
Autodesk® Revit® Architecture and Autodesk® Revit® Structure softwareGeneral Dynamics SATCOM
San Rafael, CA
Briefs: Electronics & Computers
Virtual Sensor Test Instrumentation

Virtual Sensor Test Instrumentation is based on the concept of smart sensor technology for testing with intelligence needed to perform sell-diagnosis of health, and to participate in a hierarchy of health determination at sensor, process, and system levels. A virtual sensor test instrumentation consists of...

Briefs: Energy
Heat load is reduced by more than half.

An active thermal control system architecture has been modified to include a regenerative heat exchanger (regenerator)...

Briefs: Physical Sciences
Use of Dynamic Distortion to Predict and Alleviate Loss of Control

This research has developed and evaluated the specific concepts, termed “Smart-Cue” and “Smart-Gain,” to alleviate aircraft loss of control that results from unfavorable pilot/vehicle system interactions, including pilot-induced oscillations (PIOs). Unfavorable pilot/...

Briefs: Software
Mission Services Evolution Center Message Bus

The Goddard Mission Services Evolution Center (GMSEC) Message Bus is a robust, lightweight, fault-tolerant middleware implementation that supports all messaging capabilities of the GMSEC API, including publish/subscribe and request/reply. The Message Bus enables NASA to provide an open-source...

Briefs: Mechanical & Fluid Systems

One of the major technical problems deep-space optical communication (DSOC) systems need to solve is the isolation of the optical terminal from vibrations produced by the spacecraft...

Briefs: Electronics & Computers
Rapid Corner Detection Using FPGAs

In order to perform precision landings for space missions, a control system must be accurate to within ten meters. Feature detection applied against images taken during descent and correlated against the provided base image is computationally expensive and requires tens of seconds of processing time to do just...

Briefs: Physical Sciences
Infrared Sensor on Unmanned Aircraft Transmits Time-Critical Wildfire Data

Since 2006, NASA’s Dryden Flight Research Center (DFRC) and Ames Research Center have been perfecting and demonstrating a new capability for geolocation of wildfires and the real-time delivery of data to firefighters. Managed for the Western States Fire Mission, the...

Briefs: Mechanical & Fluid Systems
Ko Displacement Theory for Structural Shape Predictions

The development of the Ko displacement theory for predictions of structure deformed shapes was motivated in 2003 by the Helios flying wing, which had a 247-ft (75-m) wing span with wingtip deflections reaching 40 ft (12 m). The Helios flying wing failed in midair in June 2003, creating the...

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