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Briefs: Green Design & Manufacturing
A Large-Eddy Simulation Model of the Atmospheric Boundary Layer
The atmospheric boundary layer is the lowermost layer of the atmosphere and is host to a plethora of physical processes that significantly affect weather, climate, and air quality. In many applications, detailed information about the boundary layer is required at high temporal and...
Briefs: Green Design & Manufacturing
Hydrogen Peroxide for Microbial Growth Control in Space Potable Water Systems
NASA uses a biocide to prevent contamination of astronaut drinking water with harmful microorganisms. Concerns have arisen over existing biocides — that they’re inadequately effective, and may have toxic side effects when consumed. New microbial control methods are a...
Briefs: Test & Measurement
The U.S. National Research Council recently identified the need for a near-term space mission of Active Sensing of CO2 Emissions over Nights, Days, and Seasons...
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Briefs: Green Design & Manufacturing
Method of Water Regeneration From Waste and Cascade Distillation
Effective recovery of potable water from various streams and sources of wastewater, seawater, or contaminated water is a significant task for securing existence of human beings in space, terrestrial, and marine environments. Efficient purification of the wastewater is also a very...
Articles: Motion Control
As more manufacturing facilities and distribution centers discover the benefits of robotic material handling solutions, the decision of how best to control the robot must be made. While...
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Briefs: Robotics, Automation & Control
Voltage glitches are common in a signal chain path, especially when the system is being powered up or down. Depending on the peak amplitude and glitch duration, the end result in the system...
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Briefs: Energy
Conventional piezoelectric materials, such as PZTs, have reasonably high electromechanical coupling over 70%, and excellent performance at room temperature. However, their coupling factor (converting...
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Briefs: Test & Measurement
Advanced Rolling Mechanics Analysis (AROMA) 1.0
AROMA uses a boundary-element formulation to calculate normal and shear pressure distributions and sub-surface stresses for elastic bodies in contact. In addition to handling static normal and sheer loading, it also solves the contact problem for rolling elements such as bearings, traction drives, and...
Products: Motion Control
POSITAL (Hamilton, NJ) introduced new models of IXARC magnetic encoders that combine incremental and absolute rotation measurement capabilities in a single, compact package. Absolute encoders provide a control system with a...
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Products: Motion Control
Elmo Motion Control (Nashua, NH) offers the NANO Gold Twitter servo drive that delivers up to 4000 Watts of qualitative power, current up to 50A at 100VDC, and up to 15A/200V with advanced servo capabilities and support for EtherCAT...
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Products: Mechanical & Fluid Systems
GAM (Mount Prospect, IL) offers the SPH inline planetary gearbox with helical gears for dynamic and cyclic applications, as well highspeed and continuous duty applications. It is available in six frame sizes with nominal...
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Products: Motion Control
U.S. Tsubaki Power Transmission, LLC (Wheeling, IL) announced Cam Clutch unidirectional/ mechanical clutches that lock the inner and outer races through the locking action of cams, transmitting torque in one direction of rotation while...
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Products: Motion Control
igus (East Providence, RI) offers xiros® ball bearings with ball races made from high-performance polymer iglide® A500. The bearings are maintenance- and lubrication-free, and are designed for temperatures up to 302 °F. They are...
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Products: Manufacturing & Prototyping
Heidenhain (Schaumburg, IL) offers ETEL ILF and ILM series ironless high-speed linear motors for use in the semiconductor and electronics industry. The motors utilize an ironfree coil design for zero-attraction force between the...
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Products: Robotics, Automation & Control
SMAC (Carlsbad, CA) introduced the CBL50 electric cylinder designed to achieve peak force of 50N at 2 Amp current, and acceleration up to 40G. It features carriage-free design and built-in linear bearings. It is available with...
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Products: Robotics, Automation & Control
The Drives & Motion Division of Yaskawa America (Waukegan, IL) released the iQpump Micro intelligent pump drive for variable-torque pump loads through 25 HP. It is available in NEMA 1 and NEMA 4X rated models. A variety of...
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Products: Mechanical & Fluid Systems
Optimal Engineering Systems (Van Nuys, CA) released low-profile XYθ (theta) stages that move in an XY-plane and rotate around the center of the XY-plane. Available in 12 models in two precision grades, the stages have linear travels...
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Products: Nanotechnology
Aerotech (Pittsburgh, PA) offers the QNP-XY series piezo nanopositioning stages with resolution to 0.15 nm, linearity to 0.007%, and repeatability to 2 nm. The stages provide a variety of travel lengths (100 μm to 600...
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Products: Motion Control
C-Flex Bearing Co. (Frankfort, NY) offers a Super Plastic torsional damping coupling that stabilizes high-precision systems by dampening transient torque variations. The patented design offers high-torque loads with zero backlash for...
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Products: Robotics, Automation & Control
The DPFlex™ II digital, sensorless, brushless motor drive series from Allied Motion (Amherst, NY) offers speed capability to 150,000 RPM, the ability to drive lower-impedance motors, and software settable rotation...
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Products: Motion Control
ACS Motion Control (Bloomington, MN) released the SPiiPlusCMHV line of EtherCAT master motion controllers that can manage networks with up to 32 axes and thousands of I/Os. The modules control networks with one or two axes of...
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Products: Robotics, Automation & Control
The QC-160 Robotic Tool Changer from ATI Industrial Automation (Apex, NC) has a high moment capacity in a lightweight design, and features internal lock/unlock sensing and five 3/8 NPT and four ½ NPT pass-through air...
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Products: Manufacturing & Prototyping
UniSlide assemblies from Velmex (Bloomfield, NY) deliver movement in one, two, or three dimensions with linear motion. The systems also can be customized for specific requirements. They are compact, and the design allows...
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R&D: Materials
Sound waves passing through the air, objects that break a body of water and cause ripples, or shockwaves from earthquakes all are considered “elastic” waves. These waves travel at the surface...
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Application Briefs: Robotics, Automation & Control
YLOG, a startup company in Austria, uses an intelligent and very environmentally friendly logistics system that is winning an increasing number of customers. The technology makes use of individual,...
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Briefs: Sensors/Data Acquisition
Resistance thermometers, also called resistance temperature detectors (RTDs), are very common sensors used for temperature measurement. Their reliability, ruggedness, wide range,...
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INSIDER: Motion Control
NASA’s Leading Edge Asynchronous Propeller Technology (LEAPTech) project will test the premise that tighter propulsion-airframe integration, made possible with electric power, will deliver...
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INSIDER: Software
Large wind turbine blades disturb the wind, creating a wake behind them and reducing the energy harvest of any downwind turbines. A turbine sitting in the slipstream of another can lose...
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INSIDER: Motion Control
NASA has tested the attitude control motor of the Orion Launch Abort System (LAS) to prove that its material can survive not only the intense temperatures, pressures, noise, and...
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