Application Briefs

Forest City Gear Controls Prosthetic Hand

Forest City Gear of Roscoe, IL, is a turnkey gear manufacturer, responsible to their customers for literally every facet of gear manufacturing, including prototyping, testing, production, finishing, quality and process validation, even packaging and delivery. One customer the gear manufacturer has increased their involvement with is Motion Control, Inc., of Salt Lake City, Utah, a world leader in myoelectric prosthetic devices and the makers of the Utah Arm, considered the most advanced prosthetic elbow/hand in the industry for above-elbow amputees.

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Omron Controls and Drives Improve Animals’ Joint Health

Ferno Aquatic Therapy, Wilmington, OH, designs and manufactures canine and equine underwater treadmill equipment used by veterinarians to provide aquatic therapy, rehabilitation, and conditioning for both dogs and horses. Designed specifically for canine rehabilitation, the Ferno Aqua Paws Plus Under water Treadmill System allows dogs to begin the rehabilitation process earlier than normal. Using the buoyancy, resistance and heat properties of water, the Aqua Paws unit creates a low-impact treadmill workout that helps the animal to increase muscle strength and endurance, providing the foundation for a quicker transition to land-based therapy.

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Using Hollow Core Plastic Bragg Fiber to Deliver Ultrashort Pulse Laser Beams

Ultrashort pulse (USP), or “ultrafast,” lasers emit extremely brief pulses of light, generally with duration of a picosecond (10-12 seconds) or less. The pulses are characterized by a high optical intensity that induces nonlinear interactions in various materials, including air.

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New Small Form Factor Storage Standard Targets Embedded Systems

To achieve small size, low power consumption and fast time to market requirements, embedded systems designers often look to chipsets found in cell phone handsets or mobile internet devices (MIDs) to cost-effectively meet their design requirements. These components, whether they are off-the-shelf chipsets from Intel, AMD or Freescale, or FPGA’s from Xilinx, Altera, or Actel, that later migrate to custom ASICS, often define the available storage interfaces. These chipsets are widely understood and supported and more often than not, make use of USB, SD, MMC or some other type of serial programmable interface that is not usually defined with traditional storage such as PATA or SATA.

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Communications System Supports the Ames Airspace Operations Lab

Voice-over-IP communications system Quintron Santa Maria, CA 805-928-4343 www.quintron.com Quintron was selected by NASA’s Ames Research Center (ARC) to supply a new Voice-over-IP (VoIP) communications system to support the ARC Airspace Operations Laboratory (AOL) — a research facility to investigate improved operational techniques for Air Traffic Control (ATC) operations. The AOL provides representative ATC personnel operating stations along with “pseudo-pilot” positions to complete the simulation environment. Both the ATC and pseudo-pilot positions will utilize the Quintron VoIP for communications, with overall system configuration managed by the simulation control personnel. The system is based on Quintron’s standard DICES VoIP product, which uses client-server architecture ideally suited for the flexible requirements of the AOL operation. Several new features will be incorporated to meet more specific AOL needs, including multiple ATC operating screens for airplane and ground communications, two-channel audio paths to accurately simulate normal ATC operating procedures for headset versus speaker audio, and multiple user headset connections to provide for trainer operations at ATC user positions. The VoIP system also features workgroup voice path assignment, which provides for very low latency on network connections between the ATC operator positions. The project is taking place in phases, with the initial delivery of system components completed six weeks after the award. Additional features will be incorporated as development work progresses. A substantial initial effort will be to incorporate a number of FAA-ATC features in support of a major customer simulation program. Final system feature updates, including interoperable VoIP links to other ARC simulation systems, is scheduled to be completed next month. For Free Info Click Here.

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Alumina Ceramic “Dog Bone” Helps Chandra Detect High-Energy Events

Fine-grained alumina ceramic charge detector Insaco Quakertown, PA 215-536-3500 www.insaco.com The Chandra X-Ray Observatory was launched into high elliptical orbit in 1998. The 39-foot-long, 10,000-pound observatory is designed to study high-energy events such as supernovae, black holes, quasars, and stellar coronae. At its core are several extremely precise instruments, including the high-resolution camera spectroscope (HRC-S). The spectroscopic detector consists of three major assemblies: a UV/ION shield, a pair of micro-channel plates, and a cross-grid charge detector (CGCD) made from a 99.98%-pure alumina ceramic made by Astro Met. The CGCD is referred to as the “dog bone” because of its shape. Usually such detectors consist of two separate layers of finely spaced gold wires wrapped in orthogonal directions around an insulating substrate such as alumina. The long and thin ceramic “dog bone” measures about 400 × 33 mm and has slight facets machined on its top face. Wire could not be wound along the length because it would vary in height above the surface due to the facets. Engineers deposited an array of 7-ml-wide gold traces just 0.7 mls apart on the substrate. Since the original alumina material they’d specified had too coarse a grain, this caused shorts or breaks in the traces. The solution came from Insaco’s machining capabilities, which offered 1- to 3-micron grain size as opposed to the original 17 microns. The Astro Met AMALOX 87 fine-grained alumina ceramic was specified for its stability over wide temperature extremes, as well as resistance to chemicals, oxidation, and wear. The ceramic part had multiple precision features machined to a tolerance of 0.001", and several mounting holes and undercut features. For Free Info Click Here.

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BEI Duncan’s Steer-by-Wire Technology Improves Fuel Efficiency for AGCO Challenger® Tractor

Off-highway tractors slog through mud, muck, and other rough terrain on a daily basis. Achieving high reliability and performance in spite of these harsh conditions requires technology at its best. To improve fuel efficiency and reliability while decreasing manufacturing costs, the AGCO Challenger® track tractor went through a major redesign from the ground up.

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