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Briefs: Information Technology
An automated system to assist a General Aviation (GA) pilot in improving situational awareness of weather in flight is now undergoing development. This development is prompted by the observation...
Briefs: Information Technology
The Aviation Safety Monitoring and Modeling (ASMM) Project of NASA’s Aviation Safety program is cultivating sources of data and developing automated computer hardware and software to facilitate...
Briefs: Materials
A process for fabricating thermoelectric modules with vacuum gaps separating the thermoelectric legs has been conceived, and the feasibility of some essential parts of the process has...
Briefs: Physical Sciences
The cryospheric advanced sensor (CAS) is a developmental airborne (and, potentially, spaceborne) radar based instrumentation system for measuring and mapping the thickness of sea ice. A...
Briefs: Physical Sciences
Measuring Attitude of a Large, Flexible, Orbiting Structure
A document summarizes a proposed metrology subsystem for precisely measuring the attitude of a large and flexible structure in space.
Products
NMeasurement Computing, Norton, MA, has released the USB-3101 analog data output device that is fully compatible with USB 1.1 and 2.0 ports. The full-speed device is supported under Microsoft(r) Windows(r)...
Briefs: Physical Sciences
A proposed remote-sensing instrument, to be carried aboard a spacecraft in orbit around the Earth, would gather data on the spatial distribution and radiative characteristics of...
Briefs: Physical Sciences
Multimode-Guided-Wave Ultrasonic Scanning of Materials
Two documents discuss a method of characterizing advanced composite materials by use of multimode-guided ultrasonic waves. The method at an earlier stage of development was described in “High-Performance Scanning Acousto-Ultrasonic System” (LEW-17601-1), NASA Tech Briefs, Vol. 30, No. 3...
Briefs: Physical Sciences
The device illustrated in Figure 1 is designed primarily for use as a regenerative heat exchanger in a miniature Stirling engine or Stirling-cycle heat pump. A regenerative heat exchanger (sometimes...
Briefs: Physical Sciences
Accelerometers used for shock and vibration measurement in extreme environments require special consideration in the design and manufacturing process. Certain...
Briefs: Semiconductors & ICs
A three-stage monolithic microwave integrated circuit (MMIC) W-band amplifier has been constructed and tested in a continuing effort to develop amplifiers as well as oscillators, frequency...
Briefs: Semiconductors & ICs
A proposed improved method of externally controlled time multiplexing of the readouts of focal plane arrays of pairs of stacked quantum well infrared photodetectors (QWIPs) that...
Briefs: Software
Implementing Access to Data Distributed on Many Processors
A reference architecture is defined for an object-oriented implementation of domains, arrays, and distributions written in the programming language Chapel.
Briefs: Software
2D/3D Visual Tracker for Rover Mast
A visual-tracker computer program controls an articulated mast on a Mars rover to keep a designated feature (a target) in view while the rover drives toward the target, avoiding obstacles.
Several prior visual tracker programs have been tested on rover platforms; most require very small and well-estimated motion...
Articles: Robotics, Automation & Control
Direct Torque Control (DTC) is widely used as a method for controlling AC motors in many demanding applications. It is a unique method for controlling AC motors. In...
Briefs: Software
Measurement and Controls Data Acquisition System
Measurement and Controls Data Acquisition System (MCDAS) is an application program that integrates the functions of two stand-alone programs: one for acquisition of data, the other for controls.
Application Briefs: Robotics, Automation & Control
Haptics, also known as “force feedback teleoperation,” attempts to provide environmental interactions through a robotic system. Users mimic these interactions with robotic arms. By...
Briefs: Software
Adding Hierarchical Objects to Relational Database General-Purpose XML-Based Information Managements
NETMARK is a flexible, high-throughput software system for managing, storing, and rapid searching of unstructured and semi-structured documents. NETMARK transforms such documents from their original highly complex, constantly changing, heterogeneous...
Application Briefs: Motion Control
It is a staple of the summer box office blockbuster: the car chase. Car chases have not only become a vital component of an action movie, they have also had to evolve, with audiences...
Application Briefs: Robotics, Automation & Control
To cut through metal and other materials, a plasma cutter sends an arc of electricity through a high-speed jet of an inert gas. When electricity and gas meet, plasma is formed, hot enough to melt...
Products: Motion Control
Thomas Products Div. (Sheboygan, WI) offers the Series 5002 miniature diaphragm liquid pumps, designed for all-liquid or mixed wet/dry pumping applications. Model 5002F pumps are single-head and measure 1.99 × 1.18 × 3.19"....
Products: Robotics, Automation & Control
Allegro MicroSystems (Worcester, MA) has introduced the A3901 dual H-bridge low-voltage motor driver. Capable of operating one stepper motor or two DC motors, the unit is designed for portable applications with a power-off current...
Who's Who: Photonics/Optics
Visible light is only one narrow band of the electromagnetic spectrum, and doesn't always tell scientists what they need to know. Infrared, which is outside...
Products: Motion Control
National Instruments (Austin, TX) has announced the NI 9505, a field-programmable gate array (FPGA)-based, H-bridge servo drive module for the NI CompactRIO embedded platform. The module offers direct connectivity to...
Products: Robotics, Automation & Control
New Scale Technologies (Victor, NY) offers the SQ-2300 series benchtop motor controller for computer control of the company's SQUIGGLE motors and closed-loop linear nanopositioning stages. Using the controller, SQUIGGLE motor...
Products: Robotics, Automation & Control
Haydon Switch & Instrument (Waterbury, CT) has released the “W” series of anti-backlash nuts, designed to minimize backlash between the leadscrew and nut interface. A blend of self-lubricating polyacetal and stainless...
Products: Motion Control
The Acam-Messelectronic TDC-GPX chip from Transducers Direct (Miamiville, OH), allows distance measuring of ±1 mm rms to a range of 1,500 meters. The chip has four selectable operating modes: I-mode provides eight LVTTL...
Products: Motion Control
Elmo Motion Control (Westford, MA) has unveiled its Maestro Multi-Axis Supervisor with firmware for support of the DS305 configuration protocol, DS401 CAN network IO integration protocol, and the DS402 motion control...
Products: Motion Control
Nippon Pulse America (Radford, VA) has released the RoHS-compliant Motion Checker MCH-5, a palm-sized, standalone stepper motor controller with a built-in constant voltage driver. Front panel controls enable setting of...
Top Stories
Blog: Manufacturing & Prototyping
2025 Holiday Gift Guide for Engineers: Tech, Tools, and Gadgets
Blog: Power
Using Street Lamps as EV Chargers
INSIDER: Semiconductors & ICs
Scientists Create Superconducting Semiconductor Material
Blog: Materials
This Paint Can Cool Buildings Without Energy Input
Blog: Software
Quiz: Power
Webcasts
Upcoming Webinars: AR/AI
The Real Impact of AR and AI in the Industrial Equipment Industry
Upcoming Webinars: Motion Control
Next-Generation Linear and Rotary Stages: When Ultra Precision...
Podcasts: Manufacturing & Prototyping
SAE Automotive Engineering Podcast: Additive Manufacturing
Podcasts: Defense
A New Approach to Manufacturing Machine Connectivity for the Air Force
On-Demand Webinars: Manufacturing & Prototyping
Streamlining Manufacturing with Integrated Digital Planning and Simulation
On-Demand Webinars: Automotive
