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Briefs: Robotics, Automation & Control
"Biomorphic explorers" are a class of proposed small robots that would be equipped with microsensors and would feature animallike adaptability and mobility. These robots would capture key features, a specific design or...
Briefs: Robotics, Automation & Control
Two types of gear drives have been devised to improve the performances of robotic mechanisms. One type features a dual-input/single-output differential-drive configuration intended to...
Briefs: Motion Control
The figure schematically illustrates part of an accelerometer in which a feedback control subsystem applies voltages to generate electrostatic forces to minimize the displacement of a...
Briefs: Robotics, Automation & Control
Zinc telluride is a semiconductive material that has been found to become photorefractive when it is suitably doped with vanadium or with manganese and vanadium. The combination of...
Briefs: Robotics, Automation & Control
Robots with multiple-link arms that could reach through narrow openings into hidden cavities are undergoing development. Called "multifunction dexterous boro-robots" (MDBRs), these robots would...
Briefs: Robotics, Automation & Control
Wavy Blades for Secondary Centrifugal Blood-Pump Impeller
The rectangular-cross-section blades of a centrifugal secondary impeller in a ventricular-assist blood pump would be replaced with blades of wavy cross section, according to a proposal. As explained below, the resulting modification in the flow pattern would reduce the tendency toward...
Briefs: Robotics, Automation & Control
Jewellike bearings have been devised to enhance the performance and safety of small rotary pumps that are used to increase or sustain flows of blood in cardiac patients. A pump of this type includes a...
Briefs: Robotics, Automation & Control
Lightweight, inflatable robotic vehicles (rovers) that superficially resemble beach balls and that could be driven by wind and/or electric power are undergoing development. These rovers were conceived...
Briefs: Robotics, Automation & Control
The Eclipse flight project was established to demonstrate a reusable-launch-vehicle concept developed by Kelly Space and Technology, Inc. An F-106 delta-wing aircraft was chosen as the towed...
Briefs: Robotics, Automation & Control
The figure illustrates various aspects of a proposed mechanism that would be mounted in an instrumented penetrator dart for use in acquiring a sample of soil. In operation, the dart would be...
Briefs: Robotics, Automation & Control
Microscopic forced-flow heat-transfer systems containing heat exchangers, flow channels, electrostatically driven peristaltic pumps, and related components have been proposed. These...
Briefs: Robotics, Automation & Control
A methodology for designing robots provides for satisfying both safety and performance requirements. Heretofore, most robot-design efforts have been focussed on maximizing performance, with only incidental...
Briefs: Motion Control
Linear-translation motors containing inertial-reaction masses driven by magnetostrictive actuator elements are undergoing development. These motors could be used to make fine position adjustments...
Briefs: Motion Control
Mobile robots that would resemble earthworms have been proposed for use in exploring remote, hostile, or inaccessible terrain surface and subsurface environments. This class of robots would be a special case of...
Briefs: Motion Control
A design has been developed for manufacturing multispeed transmissions that are small enough to be used with minimotors - electromagnetic motors with power ratings of less than 1 W. Like...
Briefs: Robotics, Automation & Control
Research conducted at the Pittsburgh Research Center (formerly U.S. Bureau of Mines) developed technology that will allow computer-assisted operation of mechanized equipment normally used in...
Briefs: Motion Control
Hydraulically Driven High-Speed Spindle for General Machining
A hydraulically driven high-speed spindle system for milling, machining, facing, drilling, and joining metallic and nonmetallic materials has been developed. Spindles are the most critical elements of high-speed milling machines. The keys to successful design of high-speed spindles are...
Briefs: Robotics, Automation & Control
An improved hybrid thermal/mechanical system has been developed to protect airplane wings and other airfoils against the accretion of ice, which degrades aerodynamic performance. The...
Briefs: Motion Control
A robust, optimal, adaptive technique for compensating rate and position limits in the joints of a six-degree-of-freedom manipulator has been developed. In this new algorithm,...
Briefs: Robotics, Automation & Control
An aircraft control actuator that incorporates self-contained control electronics has been installed in the F-18 Systems Research Aircraft and evaluated in flight tests. This "smart" actuator...
Briefs: Materials
Device for High-Pressure Fused Deposition of Engineering Polymers From Feed Rods
A more versatile delivery system for fused deposition has recently been developed. This system uses a very stiff, precise, and compact actuator to drive a small piston/cylinder extruder that has a heated nozzle. Because feed rods are used as the feed material, this...
Briefs: Motion Control
Hybrid Propulsion System for Returning a Sample From Mars
A paper suggests the development of a hybrid rocket engine and associated equipment for returning a sample of material from Mars at relatively low cost. In a hybrid rocket engine, a solid fuel is burned by use of a liquid or gaseous oxidizer, the flow of which can be throttled to control...
Briefs: Robotics, Automation & Control
An electromagnetic shaker based on a linear induction motor has been developed for use in flight flutter testing of aircraft. The shaker is a wing-tip-mounted unit capable of delivering...
Briefs: Robotics, Automation & Control
Micromachined Monopropellant Thrusters
A report proposes monopropellant microthrusters for a new generation of miniature spacecraft with mission lifetimes stretching into years. These thrusters would include micromachined nozzle/chamber assemblies containing microvalves, designed according to emerging concepts of microelectromechanical systems...
Briefs: Unmanned Systems
Solar-Powered Aerobots With Power-Surge Capabilities
Advanced aerobots that would be powered by solar photovoltaic batteries and that would be capable of storing energy for occasional operation during short intervals at power levels far beyond those of the photovoltaic batteries have been proposed. Aerobots are robotic balloon-buoyed airborne...
Briefs: Robotics, Automation & Control
In-situ resource utilization (ISRU) equipment would be incorporated into remotely controlled exploratory robots, according to a proposal, to generate fuels and oxidizers to extend...
Briefs: Robotics, Automation & Control
Development of Small, Mobile, Special-Purpose Robots
A report presents a scenario for the proposed development of insectlike robots that would be equipped with microsensors and/or micromanipulators, and would be designed, variously, to crawl, burrow, swim, fly, or hop, to perform specific tasks in fields as diverse as exploration,...
Briefs: Robotics, Automation & Control
Adaptive performance optimization (APO) is an approach for improving aircraft performance without the need for extensive modifications of hardware. In this approach, one exploits existing...
Briefs: Robotics, Automation & Control
An analysis of empirical data on low-frequency oscillations in the inlet flow of a turbopump has led to the conclusion that these oscillations could be reduced or eliminated with suitable...
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Webcasts
Upcoming Webinars: Motion Control
Next-Generation Linear and Rotary Stages: When Ultra Precision...
Upcoming Webinars: Power
Hydrogen Engines Are Heating Up for Heavy Duty
On-Demand Webinars: AR/AI
The Real Impact of AR and AI in the Industrial Equipment Industry
Podcasts: Medical
How Wearables Are Enhancing Smart Drug Delivery
Podcasts: Energy
SAE Automotive Podcast: Solid-State Batteries
Podcasts: Test & Measurement
