Briefs: Robotics, Automation & Control
Deep space missions, like the ones going to outer planets and those that rely on solar photovoltaic power, need extremely large solar arrays to produce that power for...
Application Briefs: Aerospace
SAKOR Technologies
Okemos, MI
517-332-7256
www.sakor.com
SAKOR Technologies has supplied a test system to...
Articles: Robotics, Automation & Control
Over the past several years, controls engineers have become adept at applying control systems to machine safety applications. The issue is that safety is a moving target....
Briefs: Sensors/Data Acquisition
The MAI-400SS Space Sextant is a turnkey Attitude Determination And Control System (ADACS) for CubeSats and nanosatellites. It is an enhanced version of the MAI-400, which is a...
Briefs: Data Acquisition
Thermoelectric (TE) energy recovery is an important technology for recovering waste thermal energy in high-temperature...
Briefs: Software
Tool for Turbine Engine Closed-loop Transient Analysis (TTECTrA)
The current steady-state performance-based system studies are not adequate to evaluate certain advanced technologies for the challenges associated with meeting the transient performance requirements without better definition and control of component operating margins. Additional...
Articles: Sensors/Data Acquisition
Wireless controls have been widely accepted and embraced in the industrial community. Widespread use of monitoring devices in the process industry, the deployment of RFID components in a...
Briefs: Aerospace
Method for Improving Control Systems with Normalized Adaptation by Optimal Control Modification
A new technology has been developed for improving performance and stability of control systems. This method represents a significant advancement in the state-of-the-art of adaptive control technology. The present invention is a new type of adaptive...
Briefs: Robotics, Automation & Control
Part 1 of this article introduced a phenomenon called power-on/off glitch. The example discussed the impact of this phenomenon on a motor control system. We limited our analysis to a...
Articles: Robotics, Automation & 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...
Briefs: Aerospace
Ad Hoc Adaptive Pitch Axis Pilot Model
Flight research has shown that adaptive flight control systems can be susceptible to adverse pilot-controller interactions, including pilot-in-the-loop oscillations (PIO). Conventional PIO analysis is performed using a static pilot model and a linear, time-invariant model of the aircraft and its control...
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...
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,...
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...
Articles: Information Technology
The term “smart grid” is an umbrella term used to refer to new technologies that aim to address today’s electrical power grid challenges. At a high level, these technologies address challenges...
Briefs: Imaging
NGDCS Linux Application for Imaging-Spectrometer Data Acquisition and Display
A simple method of controlling recording and display of imaging spectrometer data in (airborne) flight was needed. Existing commercial packages were overly complicated, and sometimes difficult to operate in a bouncing plane. The software also was required to keep up...
Articles: Aerospace
The technologies NASA develops don’t just blast off into space. They also improve our lives here on Earth. Life-saving search-and-rescue tools, implantable medical devices, advances in commercial aircraft safety,...
Briefs: Information Technology
CryoSim
In the context of systems health management, simulations serve many uses. For one, the underlying physical models can be used by model-based health management tools to develop diagnostic and prognostic models. These simulations should incorporate both nominal and faulty behavior with the ability to inject various faults into the system....
Briefs: Robotics, Automation & Control
Using Harmonics to Control Flutter in Wings with Electrical Motors
As aeronautics engineers develop innovative distributed electric propulsion systems, they face new challenges in ensuring that these innovative aircraft are safe as well as fuel efficient. In particular, these systems involve a large number of electrically driven fan motors...
Briefs: Motion Control
A novel mechanical control system has been proposed for spherical robots to be used as multifunctioning sensor buoys in areas with ambient forces such as winds or...
Application Briefs: Motion Control
Pearl Harbor Naval Station and Hickam Air Force Base have grown up together around the historic port known as Wai’Momi, adjacent to Honolulu. Pearl Harbor Naval Shipyard (PHNSY), located at Joint...
Briefs: Mechanical & Fluid Systems
Various applications exist where high-pressure valves are required, but the problem for control of such valves lies in that they have to move against a strong...
Articles: Aerospace
Louisiana State University
Baton Rouge, LA
Articles: Motion Control
Contemporary industrial automation control systems are employing variable frequency drives (VFDs) in ever-increasing numbers. VFDs give control engineers...
Briefs: Mechanical & Fluid Systems
Novel Catalytic Reactor System for CO₂ Reduction via Sabatier Process
A novel, short-contact-time Microlith Sabatier reactor system for CO2 reduction offers a significant advance in support of manned spaceflight. Compared to the current and prospective alternatives (including microchannels), the reactor is much smaller and lighter,...
Briefs: Mechanical & Fluid Systems
Nitrous Oxide Ethane-Ethylene Engine
The Nitrous Oxide Ethylene-Ethane (NEE) engine uses nitrous oxide as an autogenously pressurizing oxidizer, and a mixture of ethane and ethylene is used in the same manner as fuel. Initially, the ethane and ethylene mixture has the same vapor pressure as the nitrous oxide. By using the autogenous...
Application Briefs: Electronics & Computers
Littelfuse
Chicago, IL
773-628-1000
www.littelfuse.com
Circuit protection is an essential part of any electrical or...
Articles: Robotics, Automation & Control
At first glance, the photo at the top is not appealing to any market — a pallet full of old gearmotors is not something one wants to think about after purchasing the necessary...
Briefs: Mechanical & Fluid Systems
Fail-Safe Accumulator for Internal Active Thermal Control Loops
Spacecraft internal active thermal control systems (ATCSs) typically use water or a water mixture as their working fluid. A gas-charged bellows accumulator pressurizes the system and provides liquid inventory control. If only a single internal ATCS loop is used, the accumulator...
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