Briefs: Information Technology
Rocket-Plume Spectroscopy Simulation for Hydrocarbon-Fueled Rocket Engines
The UV-Vis spectroscopic system for plume diagnostics monitors rocket engine health by using several analytical tools developed at Stennis Space Center (SSC), including the rocket plume spectroscopy simulation code (RPSSC), to identify and quantify the alloys from the...
Briefs: Electronics & Computers
Portable Health Algorithms Test System
A document discusses the Portable Health Algorithms Test (PHALT) System, which has been designed as a means for evolving the maturity and credibility of algorithms developed to assess the health of aerospace systems. Comprising an integrated hardware-software environment, the PHALT system allows systems...
Briefs: Information Technology
Research on Spoken Dialogue Systems
Research in the field of spoken dialogue systems has been performed with the goal of making such systems more robust and easier to use in demanding situations. The term “spoken dialogue systems” signifies unified software systems containing speech-recognition, speech-synthesis, dialogue management, and...
Briefs: Mechanical & Fluid Systems
Dedicated Deployable Aerobraking Structure
A dedicated deployable aerobraking structure concept was developed that significantly increases the effective area of a spacecraft during aerobraking by up to a factor of 5 or more (depending on spacecraft size) without substantially increasing total spacecraft mass. Increasing the effective aerobraking...
Briefs: Electronics & Computers
Technique for Performing Dielectric Property Measurements at Microwave Frequencies
A paper discusses the need to perform accurate dielectric property measurements on larger sized samples, particularly liquids at microwave frequencies. These types of measurements cannot be obtained using conventional cavity perturbation methods, particularly for...
Podcasts
Dr. William Ko, Aerospace Engineer, Engineering Directorate, Aerostructures Branch, Dryden Flight Research Center
Dr. William Ko joined NASA’s Dryden Flight Research Center in 1977 after receiving a PhD in aeronautics from California Institute of Technology and conducting research at Southwest Research Institute in San Antonio, Texas....
Briefs: Robotics, Automation & Control
Compact, Lightweight Servo-Controllable Brakes
Compact, lightweight servo-controllable brakes capable of high torques are being developed for incorporation into robot joints. A brake of this type is based partly on the capstan effect of tension elements, which is described by the well known equation
Application Briefs: Robotics, Automation & Control
Robotic devices have been used in the medical industry for more than 40 years. Despite the advantages, researchers have faced unique challenges in developing effective, safe...
Briefs: Mechanical & Fluid Systems
Progress has been made in the development of a family of robotic land vehicles having modular and minimalist design features chosen to impart a combination of robustness, reliability, and...
Briefs: Mechanical & Fluid Systems
Robotic Arm Manipulator Using Active Control for Sample Acquisition and Transfer, and Passive Mode for Surface Compliance
A robotic arm that consists of three joints with four degrees of freedom (DOF) has been developed. It can carry an end-effector to acquire and transfer samples by using active control and comply with surface topology in a...
Products: Robotics, Automation & Control
PI (Physik Instrumente) L.P. (Auburn, MA) offers the F206.S six-axis Hexapod alignment system that provides 6D motion with 33-nanometer resolution and alignment software for optics and photonics components. The system...
Products: Robotics, Automation & Control
Thomson (Wood Dale, IL) has introduced the 500 Series Profile rails with an optional ball spacer carriage that reduces carriage running noise by up to 6 dB. The rails' design optimizes the surface interfaces between steel and...
Products: Robotics, Automation & Control
QuickSilver Controls (Covina, CA) offers the SilverSterling™ controller for NEMA 11, 17, and 23 frame brushless servo motors; DC brush motors; and voice coil actuators, providing a 5A RMS continuous drive with 7A peak at 12V to...
Products: Robotics, Automation & Control
Bishop-Wisecarver Corp. (Pittsburg, CA) has introduced the HepcoMotion® PSD80 Profile screw-driven linear actuator with Herculane® wheel technology. Housed on an aluminum beam and fitted with a stainless steel...
Products: Robotics, Automation & Control
SKF Group (San Diego, CA) has introduced the Multilog Online System DMx, a multi-featured vibration monitor for conventional and hazardous environments. It can be directly installed within a hazardous area, removing or...
Products: Robotics, Automation & Control
DSC sensorless brushless motor drives from Koford Engineering (Winchester, OH) provide a programmable sensorless control for operation for 12- to 32-volt applications, with current up to 10 amps and speed of up to...
Products: Robotics, Automation & Control
DPGplus sealed two-finger parallel grippers from Schunk (Morrisville, NC) are available in sizes 240 and 300. A pneumatic drive with oval pistons and multitooth guides ensure the user precise gripping for production machine and...
Products: Robotics, Automation & Control
The Snap-on Industrial Digital Torque Tester (DDT) from Snap-on Industrial (Kenosha, WI) features light weight and an integral transducer and rugged housing. It can be wall-mounted or used in a benchtop vise to allow...
Products: Robotics, Automation & Control
The Tolomatic IMA from Tolomatic (Hamel, MN) is an integrated-motor, rod-style actuator that delivers up to 3,300 pounds of force when equipped with a new roller-screw option. It incorporates a hollow core rotor and...
Products: Robotics, Automation & Control
Portescap (West Chester, PA) has introduced the R08 planetary gearhead that delivers continuous torque of 0.05 Nm within an overall envelope of 8 mm. The standard gearbox is available from 4 to 256 ratios, which can be...
Products: Robotics, Automation & Control
Baumer (Southington, CT) has introduced HDMag magnetic hollow-shaft encoders for direct mounting onto large-sized shafts up to 740 mm in diameter. Available in both absolute and incremental versions, the encoders provide...
Products: Robotics, Automation & Control
Myostat Motion Control (Newmarket, ON, Canada) has introduced an integrated load cell actuator for device manufacturing and quality testing. Available as a complete solution for touchscreen manufacturers, the actuator...
Products: Robotics, Automation & Control
Hayward Flow Control Systems (Clemmons, NC) offers EPM Series CE and CSA approved reversing, quarter-turn actuators. Available in both on/off and proportional control models, the actuators are designed for use with ball...
Products: Robotics, Automation & Control
Linear Technology (Milpitas, CA) offers the LTC3615 4-MHz synchronous buck regulator that incorporates a constant frequency, current-mode architecture. Low-resistance internal switches enable the device to deliver up to...
Products: Robotics, Automation & Control
The Fredericks Co. (Huntingdon Valley, PA) has introduced the 0737-1203-99 electrolytic tilt sensor with thin-film technology that provides inclination measurement with arc second repeatability. The sensor offers an angle range...
Products: Robotics, Automation & Control
AMETEK Technical & Industrial Products (Kent, OH) offers the Nautilair® 8.0" variable speed pre-mix brushless blowers that deliver a measured air/fuel mixture to optimize combustion and reduce nitrous oxide and carbon...
Products: Robotics, Automation & Control
DynaMotors (Cleveland, OH) has introduced the Model 56-2 DynaMotor, a single-phase, variable-speed electric motor for air-moving, pumping, and other applications. The motor features optional fan cooling, incorporates a NEMA 56...
Products: Robotics, Automation & Control
TURCK (Minneapolis, MN) offers a single-axis inclinometer sensor for detecting angular tilt with an adjustable measuring range of 360 degrees. The sensor measures angular tilt in reference to gravity. It uses a MEMS...
Products: Robotics, Automation & Control
Advanced Antivibration Components (New Hyde Park, NY) offers V11Z48MPSB Series air spring vibration mounts that feature vibration isolation of low-frequency machines. The air springs use elasticity of air as an isolator, which...
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