Briefs: Software
Flexcam Image Capture Viewing and Spot Tracking

Flexcam software was designed to allow continuous monitoring of the mechanical deformation of the telescope structure at Palomar Observatory. Flexcam allows the user to watch the motion of a star with a low-cost astronomical camera, to measure the motion of the star on the image plane, and to feed...

Combinatorial experiments have led to the discovery that a nanophase alloy of Pt, Ru, Ni, and Zr is effective as an anode catalyst material for direct methanol fuel cells. This...

Atomization of a molten mixture of BaF2 and CaF2 has been found to be superior to crushing of bulk solid BaF2- CaF2 as a means of...

Nanophase nickel- zirconium alloys have been investigated for use as electrically conductive coatings and catalyst supports in fuel cells. Heretofore, noble metals have been used because they...

A proposed method of design and fabrication of vacuum-packaged microelectromechanical systems (MEMS) and of individual microelectromechanical devices involves the use of multiple...

Briefs: Information Technology
Fault-Tolerant Coding for State Machines

Two reliable fault-tolerant coding schemes have been proposed for state machines that are used in field-programmable gate arrays and application-specific integrated circuits to implement sequential...

Eye on Innovation: Electronics & Computers
How a Supercomputing Innovation Accelerated a Business
Larry Lukis
Founder and CTO
Proto Labs, Inc.
Maple Plain, MN

Proto Labs is a quick-response custom manufacturer that provides design engineers with prototypes of...

Briefs: Physical Sciences
Graphite/Cyanate Ester Face Sheets for Adaptive Optics

It has been proposed that thin face sheets of wide-aperture deformable mirrors in adaptive-optics systems be made from a composite material consisting of cyanate ester filled with graphite. This composite material appears to offer an attractive alternative to low-thermal-expansion glasses...

The use of variable-frequency drives (VFDs) to control AC motors has increased dramatically in recent years. In addition to low operating cost and high performance, they save energy....

Articles: Motion Control
Getting on the Right Motion Bus

As modern machines have become more advanced, the complexity involved in motion control has escalated. Today, servos have replaced cams and gears on machines and multiple axis of synchronized motion control...

The trend in aircraft design is toward more efficient brushless DC motors. A integrated motor drive module for brushless DC motors from International Rectifier (El Segundo, CA) reduces the effort...

Application Briefs: Motion Control
Custom inserts solve reel torque problems

As a leading supplier of fishing equipment and accessories, Penn Fishing Tackle Manufacturing Co. provides customers with high-quality, competitively priced, cutting edge products that meet the highest possible industry standards.

ABCO Automation, Greensboro, NC, has consistently decreased costs and increased profits by looking for new ways to source custom components used in machine builds.

The Magellan programmable motion processor chip from Performance Motion Devices (Lincoln, MA) controls any combination of DC brush, brushless DC, microstepping, or pulse and direction motors. Each controlled axis supports...

The P-737 PiFOC Piezo-Z stage from Physik Instrumente L.P. (Auburn, MA) uses deconvolution and 3D imaging techniques. It provides up to 250 micrometers of travel, millisecond response, and nanometer precision motion under...

Products
Rotary Seal

American High Performance Seals (Pittsburgh, PA) has announced its Rotaflon rotary seal which minimizes shaft damage and reduces power consumption. The seal accommodates changing operating conditions, low breakout force, and...

Products
Stepper Drive

Applied Motion Products’ (Watsonville, CA) ST10-Si stepper drive delivers 24 to 80 Vdc with peak outputs to 10 A. The drive is protected against overvoltage, undervoltage, overtemperatures, and external output shorts. Upon...

Products
Wire Thread Insert

The Spiralock Drive Notch wire thread insert from Spiralock Corp. (Madison Heights, MI) exhibits no tension loss after 24 hours of continuous vibration testing and no fatigue indication. The inserts are simply threaded into any STI tapped hole, with no tangs to break off, retrieve, or account for. The insert resists shock,...

The I2 integrated motor and controller from Specialty Motors (Valencia, CA) combines a brushless DC servomotor with built-in drivers, controllers, and feedback devices. Applications software provides motor...

Features: Photonics/Optics
Fiber Optic Communications Systems

Communications and, more recently telecommunications, are needs deeply engrained in human history. These needs have significantly evolved over time enabling today’s content-rich (text, music, images and...

Application Briefs: Photonics/Optics
Designing Converged Optical Ethernet Networks

Transport networks have witnessed two significant trends over the past half-decade or so. The first has been an explosion in the bandwidth these networks can support and the distances over which...

The figure is a simplified depiction of a proposed spectrometer optical unit that would be suitable for incorporation into a remote-sensing instrumentation system. Relative to prior spectrometer...

Briefs: Photonics/Optics
Graphite/Cyanate Ester Face Sheets for Adaptive Optics

It has been proposed that thin face sheets of wide-aperture deformable mirrors in adaptive-optics systems be made from a composite material consisting of cyanate ester filled with graphite. This composite material appears to offer an attractive alternative to low-thermal-expansion glasses...

Stratophase (Romsey, UK) introduces the Spectrosens sensing unit for biochemial detection of toxins, viruses, and bacteria in real-time. Based on an optical silicon micro-chip with an integral...

Products: Photonics/Optics
Machine Vision Software

EyeSpector Version 1.5 software from Vision Components GmbH (Ettlingen, Germany) is suitable for a variety of gauging, inspection, orientation, color inspection, and recognition tasks. The Eye-Spector works with...

Products: Photonics/Optics
Laser Diode Modules

Photonic Products (Hertfordshire, UK) introduces the PM-NEOLD 635nm photon laser diode modules with an integral “Near End of Life Detection” feature that alerts users when a laser diode approaches the end of its...

Blog
Simulating Heat Pump Performance

Air-source heat pumps typically deliver 1 1/2 to three times more heating energy to a home than the electric energy they consume. National Institute for Standards and Technology (NIST) researchers are working to improve the performance of air-source heat pumps even further by providing engineers with...

Blog
Techs of the Week

A toolkit facilitates quick development of Honeywell Communications Interface (HCI) and OPC-compliant servers. The kit includes a time-out indicator (TOI) feature to overcome situations wherein real-time process control systems become suspended indefinitely or for long time periods. An intermediary object between the client and...

Blog
Computers and Cell Division

Computational biologists at Virginia Tech have mathematically modeled the process that regulates cell division in a common bacterium. The model was developed to confirm hypotheses, provide new insights, and identify gaps in the scientists' understanding of the molecular machinery that governs replication of DNA and...

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