Briefs: Mechanical & Fluid Systems

The figure shows the LEMUR IIb, which is a modified version of the LEMUR II — the second generation of the Limbed Excursion Mechanical Utility Robot (LEMUR). Except as described below,...

Briefs: Mechanical & Fluid Systems
Controlling Herds of Cooperative Robots

A document poses, and suggests a program of research for answering, questions of how to achieve autonomous operation of herds of cooperative robots to be used in exploration and/or colonization of remote planets. In a typical scenario, a flock of mobile sensory robots would be deployed in a previously...

Briefs: Electronics & Computers

The figure depicts a unit that contains a rotary-position or a rotary-speed sensor, plus electronic circuitry necessary for its operation, all enclosed in a single housing with a shaft...

Briefs: Electronics & Computers

Infrared image sensors based on high density rectangular planar arrays of nano tunnel junctions have been proposed. These sensors would differ fundamentally from prior infrared...

Briefs: Electronics & Computers
Programmable Pulse-Position- Modulation Encoder

A sensor system was proposed that would monitor spaceflight bioreactor parameters. Not only will this technology be invaluable in the space program for which it was developed, it will find applications in medical science and industrial laboratories as well.

Briefs: Electronics & Computers
Universal Controller for Spacecraft Mechanisms

An electronic control unit has been fabricated and tested that can be replicated as a universal interface between the electronic infrastructure of a spacecraft and a brushless-motor (or other electromechanical actuator) driven mechanism that performs a specific mechanical function within the overall...

Briefs: Electronics & Computers
The Flostation — an Immersive Cyberspace System

A flostation is a computer-controlled apparatus that, along with one or more computer(s) and other computer-controlled equipment, is part of an immersive cyberspace system. The system is said to be “immersive” in two senses of the word: (1) It supports the body in a modified form neutral...

Briefs: Electronics & Computers

A digital-signal- processing algorithm (somewhat arbitrarily) called “SUMPLE” has been devised as a means of aligning the outputs of multiple receiving radio antennas in a large...

Briefs: Manufacturing & Prototyping

Submarine design typically follows American Bureau of Shipping (ABS) code, which establishes properties such as hull thickness, frame stiffness, and porthole and hatch design. During...

Briefs: Semiconductors & ICs

A single-chip CMOS-based (complementary-metal-oxide-semi-conductor-based) transmit/receive (T/R) module is being developed for L-band radar systems. Previous T/R module implementations required multiple...

Briefs: Physical Sciences
Catalytic-Metal/ PdOₓ/SiC Schottky-Diode Gas Sensors

Miniaturized hydrogen- and hydrocarbon- gas sensors, heretofore often consisting of Schottky diodes based on catalytic metal in contact with SiC, can be improved by incorporating palladium oxide (PdOx, where 0≤x≤1) between the catalytic metal and the SiC.

Briefs: Materials

A methodology has been devised for designing cure cycles to be used in the fabrication of matrix/fiber composite parts (including laminated parts). As used here, “cure cycles”...

Briefs: Software
Quantum Entanglement Molecular Absorption Spectrum Simulator

Quantum Entanglement Molecular Absorption Spectrum Simulator (QE-MASS) is a computer program for simulating twophoton molecular-absorption spectroscopy using quantum-entangled photons. More specifically, QE-MASS simulates the molecular absorption of two quantum-entangled photons...

Briefs: Software
FuzzObserver

Fuzzy Feature Observation Planner for Small Body Proximity Observations (FuzzObserver) is a developmental computer program, to be used along with other software, for autonomous planning of maneuvers of a spacecraft near an asteroid, comet, or other small astronomical body. Selection of terrain features and estimation of the position...

Briefs: Software
Internet Distribution of Spacecraft Telemetry Data

Remote Access Multi-mission Processing and Analysis Ground Environment (RAMPAGE) is a Java-language server computer program that enables near-real-time display of spacecraft telemetry data on any authorized client computer that has access to the Internet and is equipped with Web-browser...

Briefs: Software
Semi-Automated Identification of Rocks in Images

Rock Identification Toolkit Suite is a computer program that assists users in identifying and characterizing rocks shown in images returned by the Mars Explorer Rover mission. Included in the program are components for automated finding of rocks, interactive adjustments of outlines of rocks,...

Briefs: Mechanical & Fluid Systems
Compact, Precise Inertial Rotation Sensors for Spacecraft

A document describes a concept for an inertial sensor for measuring the rotation of an inertially stable spacecraft around its center of gravity to within 100 microarc- seconds or possibly even higher precision. Whereas a current proposal for a spacecraft-rotation sensor of this accuracy...

Articles: Motion Control

All moving objects possess six degrees of freedom — three linear and three rotary. The task of a linear motion guideway is to eliminate, as closely as possible, five of these degrees...

Application Briefs: Motion Control

The Center for Rapid Transit Systems at Virginia Tech (Blacksburg, VA) is an internationally recognized drive systems and motion control research group with...

Application Briefs: Motion Control

Stern Pinball of Melrose Park, IL, is the only manufacturer of coin-operated pinball machines in the world. Today, Stern’s pinball games are designed using...

Products: Motion Control

Texas Instruments (Dallas, TX) has announced the DCP010507DB, a 1-W isolated, unregulated DC/DC converter, supporting an operating temperature range of -40 °C to 100 °C. The module provides thermal shutdown and...

Products: Motion Control

Balluff (Florence, KY) offers the Micropulse™ BIW transducer that uses a patented, pulsed-inductive technology. It features a wear-free, non-contact design that can be used where linear pots are used, such as plastic...

Products: Robotics, Automation & Control
Accelerometers

Wilcoxon Research (Gaithersburg, MD) has introduced the 788A accelerometers that feature a sensitivity of 100 mV/g. The accelerometer is a single-axis sensor with an acceleration range of +50 g. High-frequency response measurements up to 10 kHz identify faults and improper machine operation. Typical noise is 4 mg at 100 Hz. The...

Products: Motion Control

Performance Motion Devices (Lincoln, MA) has announced the ION™ brushless DC drive, a network-connected motion control drive. The fully enclosed compact module provides network connectivity, power amplification, and...

Products: Motion Control

The LCM 100 accelerometer from Jewel Instruments (Manchester, NH) is designed for industrial, commercial, and aerospace applications. It is engineered with micro-machined components. The 0.5G to 4.0G device meets the needs of...

Products: Robotics, Automation & Control

New Scale Technologies (Victor, NY) offers the SQL Series SQUIGGLE piezo motor that measures 2.4 × 2.4mm and features a metal/ceramic composite construction. The motor holds position when power is turned off, conserving battery...

Products: Motion Control

Festo Corp. (Hauppauge, NY) has introduced the DMES electromechanical linear actuators that provide a feed force of up to 3000 N. The lead screw of the actuators is non-backdriveable, eliminating the need for an additional...

Products: Motion Control

The Torkdisc® rotary torque sensor system from the Force/Torque Division of PCB Piezotronics (Depew, NY) is a compact, in-line rotary torque sensor for spindle qualification testing of machining center and other torque...

Products: Motion Control

PennEngineering® Motion Technologies (Harleysville, PA) offers PITTMAN® brush-commutated DC gearmotors with output torque to 175 oz-in with standard sintered steel spur gearing, and output torque to 500 oz-in by incorporating...

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