Articles: Manufacturing & Prototyping
Parallel-Plate Motorcycle Frame
Martin O’Toole, Revolution Motorcycles, Doylestown, PA
The concept of the parallel-plate framing system is to eliminate the welded tubular frame. The components are made using 3-axis CNC milling, waterjet, and laser-cutting machines. By removing the...
Articles: Aerospace
William Brosey, Section Manager,BWXT Y-12, Oak Ridge, TN
Joe Buford, Mfg. Engineer,Boeing Satellite Development Center, El Segundo, CA
Articles: Manufacturing & Prototyping
In today’s competitive marketplace, manufacturers need suppliers who not only deliver the parts required to build a product, but those who deliver support and consultation on how best to...
Articles: Electronics & Computers
For over two decades, the VMEbus has maintained its position as the open standard bus architecture of choice for defense and aerospace applications. While VME, a parallel bus,...
Articles: Aerospace
The demand for fast evolution and increased flexibility of electronics systems in many different industries and applications has driven the trend for increasing software content of...
Briefs: Mechanical & Fluid Systems
Anumerical-simulation study of stall and stall control in radial and axial compressor stages of gas turbine engines has been performed. This and other similar studies are needed because...
Briefs: Information Technology
In an application of computational fluid dynamics (CFD), flow fields about a slender-bodied finned projectile and the resulting aerodynamic forces and moments on the projectile were...
Briefs: Information Technology
An adaptive concurrent multilevel computational model of failure in a heterogeneous-material structure has been developed. As used here, "concurrent" is a term of art characterizing a class of structural/material models that (1) incorporate submodels representing material substructures at...
Briefs: Electronics & Computers
The term "adaptive quantum design" denotes a methodology for systematically seeking robust, manufacturable designs of semiconductor devices — especially semiconductor optoelectronic devices...
Briefs: Electronics & Computers
A project called “System on a Chip Real-Time Emulation” (SOCRE) was undertaken to develop and demonstrate a methodology of simulation of operation and semiautomated design of...
Briefs: Electronics & Computers
Acomputational-simulation study of two ferrocene-based molecular electronic devices was performed as part of a continuing effort to develop a capability for ab initio design of...
Briefs: Photonics/Optics
Progress has been made toward realization of a continuous-wave, phase-andamplitude- stable atom laser based on magnetic guiding, magnetic compression, and continuous distributed evaporative cooling of a sparse cloud...
Briefs: Photonics/Optics
Aprogram of research has built a technological foundation for further development of systems that could be characterized, variously, as "smart" cameras or adaptive optoelectronic eyes. A system according to this...
Briefs: Materials
Some notable innovations in the design and manufacture of carbonbased materials have been made in a continuing program of basic research on carbon- based materials for use in propulsion systems of aircraft and spacecraft. The research has ranged over diverse topics that have included fabrication of...
Briefs: Materials
"Smart” skin materials based, variously, on polymers, dendrimers, carbon nanotubes, and/or other tailored molecular components are being developed for use as conformal coating surfaces of mechanical structures, including those of aircraft, to impart enhanced functionality to the coated surfaces. As used here,...
Briefs: Materials
Research on the microstructures, chemical compositions, and reactivities of thermites that consist of or contain mixtures of MoO3 and Al particles has led to development of a process for making thermites that...
Briefs: Medical
Molecular aptamer beacons (MABs) are being investigated for use as rapid-signaling probe compounds for detecting specific proteins of interest (target proteins). In the MAB approach, one exploits...
Briefs: Medical
Arrays of nanosensors for detecting biomolecules associated with breast cancer are undergoing development. It has been proposed to construct the arrays as silicon-based large-scale...
Briefs: Physical Sciences
Microstrip antennas that can be made to perform well over relatively wide frequency ranges but are mechanically and electrically simpler than prior such antennas have been invented. These antennas...
Briefs: Physical Sciences
Progress has been made in calculation of spintronic effects in semiconductor nanostructures. The calculations contribute to the body of theoretical knowledge complementing recent experimental advances in generating, transporting, and detecting coherent spin-polarized populations of electron and...
Tech Transfer Reports
Established in 1987, American Pipe Lining of San Diego, CA developed an in-place pipe restoration service using an epoxy pipe lining technology to restore aging potable, HVAC, and gray...
Articles: Motion Control
Nowadays, there are many technologies available that are used to quantify the motion of humans and animals. However, recent innovations in optical motion capture systems have...
Application Briefs: Robotics, Automation & Control
At full power, the Spallation Neutron Source (SNS), part of Oak Ridge National Laboratory (ORNL, Oak Ridge, TN), will produce the world’s most intense pulsed...
Application Briefs: Motion Control
World cotton production in 2006/07 is forecast at 115.7 million bales, and global cotton consumption is forecast at a record of nearly 121 million bales, with 13.2 million acres dedicated...
Products: Motion Control
Avago Technologies (San Jose, CA) introduced the AEDS-964x optical encoder modules, with resolutions of up to 360 lines per inch, for printing applications. The modules are used with a transmissive code strip to detect...
Products: Robotics, Automation & Control
S. Himmelstein and Co. (Hoffman Estates, IL) released the MCRT® 48200V Series Compact Digital Torquemeters, having no pots, switches, and requires no manual adjustment. The non-contact devices have full-scale ranges from 25...
Products: Robotics, Automation & Control
Festo Corp. (Hauppauge, NY) released the SEC-ACSMLC Multi-Axis Controller and SEC-SDD drive. Featuring the CoDeSys programming platform, the SEC-AC-SMLC is based on the IEC61131-3 standard, offering the...
Products: Motion Control
Danaher Motion (Wood Dale, IL) released the Thomson-Deltran Power-Off Magnetic Brake (PMB) series of power-off DC, spring-set, multifunctional brakes. Nine standard frame sizes from 30 to 120 are available. Torque range is 45...
Products: Robotics, Automation & Control
Haydon Switch & Instrument (Waterbury, CT) released size 8 hybrid linear actuators with encoder feedback. Encoder resolutions range from 120 to 330 cycles per revolution, or 480 to 1,200 pulses per revolution; encoder...