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Briefs: Mechanical & Fluid Systems
The figure depicts the steep terrain access robot (STAR) — a walking robot that has been proposed for exploring steep terrain on remote planets. Robots based on the STAR concept could also be used on steep...
Briefs: Mechanical & Fluid Systems
Measuring Dynamic Transfer Functions of Cavitating Pumps
A water-flow test facility has been built to enable measurement of dynamic transfer functions (DTFs) of cavitating pumps and of inducers in such pumps. Originally, the facility was intended for use in an investigation of the effects of cavitation in a rocket-engine low-pressure oxygen...
Briefs: Medical
Advanced Resistive Exercise Device
The advanced resistive exercise device (ARED), now at the prototype stage of development, is a versatile machine that can be used to perform different customized exercises for which, heretofore, it has been necessary to use different machines. Conceived as a means of helping astronauts and others to maintain...
Briefs: Medical
A process has been developed for the rapid tissue engineering of multicellular- tissue-equivalent assemblies by the controlled enzymatic degradation of...
Briefs: Physical Sciences
Theoretical calculations have shown that the degrees of spin polarization in proposed nonmagnetic semiconductor resonant tunneling spin filters could be increased through exploitation of...
Briefs: Physical Sciences
The resonant tunneling spin pump is a proposed semiconductor device that would generate spin-polarized electron currents. The resonant tunneling spin pump would be a purely electrical device in the sense that it...
Briefs: Energy
CO₂-Reduction Primary Cell for Use on Venus
A document proposes a CO2-reduction primary electrochemical cell as a building block of batteries to supply electric power on the surface of Venus. The basic principle of the proposed cell is similar to that of terrestrial Zn-air batteries, the major differences being that (1) the anode metal would not...
Briefs: Information Technology
Proper orthogonal decomposition (POD) is the mathematical basis of a method of constructing low-order mathematical models for the "gray-box" fault- detection algorithm that is a component of...
Briefs: Information Technology
The descent image motion estimation system (DIMES) is a system of hardware and software, designed for original use in estimating the horizontal velocity of a spacecraft descending toward...
Articles: Nanotechnology
The 2007 NASA Tech Briefs National Nano Engineering Conference (NNEC), to be held November 14-15 at the Boston Marriott Copley Place, is produced for design engineers who want to know what’s real,...
Articles: Research Lab
By Mike Santori National Instruments Business & Technology Fellow National Instruments Austin, TX
High-tech companies live and die by their ability to innovate. Creating new products and technologies is essential to...
Products
Stealth Computer Corp., Woodbridge, ON, Canada, has introduced the LPC- 350PCI Little PC, a mini personal computer that can fit in the palm of your hand. The anodized aluminum chassis measures about 2" tall, and has...
Who's Who: Software
The Inductive Monitoring System (IMS) is a new computer program that monitors gyroscopes that keep the International Space Station properly oriented in space. IMS...
Techs for License
Attempts to mechanically drill high-temperature ceramic components can doom them to failure. Even laser drilling can compromise the surface oxidation layer that protects the...
Techs for License
Biomedical Center in Moscow has developed a peptide formulation that induces activation and proliferation of the cytotoxic lymphocyte’s (CTL) clones and enables them to recognize...
Tech Needs
Rapid DC Magnetron Sputtering
DC magnetron sputtering provides a very durable and stable coating that has many high-energy laser (HEL) and industrial applications, especially in producing coatings for high-reflectivity (HR) mirrors and anti-reflection (AR) coated windows. However, the DC magnetron sputtering deposition process is extremely slow....
Tech Needs
Low VOC Binder/Resin System
Technology is required to reduce volatile organic compounds (VOCs) in binder/resins while maintaining or enhancing existing product properties. Potential solutions could include the addition of a compound or additive that reduces VOC demand, a new crosslinking system for polymers to enhance molecular network formation,...
Briefs: Photonics/Optics
An apparatus that serves as a source of a cold beam of atoms contains multiple two-dimensional (2D) magneto-optical traps (MOTs). (Cold beams of atoms are used in atomic clocks and in...
Articles: Robotics, Automation & Control
Assembly is a complicated, sometimes tedious process that often unfolds sequentially along a series of stations. In the manufacture of complex equipment such as jet engines...
Application Briefs: Motion Control
Tractair Ltd., based in Brough, UK, designs, manufactures and installs air and hydraulic brake systems for special applications. The company works closely with the design engineers of major...
Application Briefs: Motion Control
Many factors have contributed to the fact that in the past five years, home elevator sales have doubled. These include the aging of the affluent baby-boom generation. In the next five years, an...
Products: Robotics, Automation & Control
The MDrive 14Plus Motion Control system from Intelligent Motion Systems (Marlborough, CT) combines the motor, driver, controller, and encoder in one system using a NEMA size 14 brushless 1.8° motor. It measures 1.9 × 1.4...
Products: Electronics & Computers
Motor Control Integrated Circuit
iC-Haus Corp. USA (Naperville, IL) introduces the iC-MH, a system-on-chip solution for magnetic sensor applications. The iC-MH’s 5 x 5 mm QFN28 package contains integrated Hall sensors with signal amplifier and gain control, two A/D converters for incremental and commutation signals, integrated RS-422 line...
Products: Robotics, Automation & Control
Vibrating Micro Motors
SANYO DC Micro Motor Division, Bensenville, IL, has developed the BSY-3089 vibrating micro motor suitable for applications requiring a small footprint on surface-mount circuit boards. The motor measures 11 mm in length, with a 4.4-mm-wide body × 3.4 mm height off the mounting surface. Typical speed is 14,000 rpm with a...
Products: Robotics, Automation & Control
Microchip Technology, Chandler, AZ, has announced the dsPIC33FJ12MC family of motor control digital signal controllers. Hardware features include a motor control PWM with two independent clock sources for motor...
Products: Robotics, Automation & Control
AST Bearings, Montville, NJ, offers a variety of bearings, bushings, spherical plain bearings, rod ends, linear bearing and slides, miniature and instrument bearings, and tapered roller bearings for rotary motion applications. The...
Products: Robotics, Automation & Control
Fabco-Air (Gainesville, FL) has introduced block-style linear slides in 12-, 20-, and 32-mm bores with strokes from 1/2" to 10" and guide shafts from 3/8" to 3/4" diameters. An anodized aluminum body has a built-in repairable air...
Products: Robotics, Automation & Control
The SR linear positioning stages from H2W Technologies (Valencia, CA) are compact, lightweight, and have a small footprint. They offer speed of 6 m/sec, acceleration up to 12 g’s, zero cogging, high resolution to 0.1...
Products: Robotics, Automation & Control
PI L.P. (Auburn, MA) introduced the E-755 NEXLINE® ultra-high-resolution motion controller that is designed to drive NEXLINE® linear motor actuators, enabling the combination of long travel ranges and picometer resolution....
Top Stories
Blog: Manufacturing & Prototyping
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Blog: Power
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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
