Keyword: Control systems

Briefs: Motion Control

The robotic gripper was developed at NASA Goddard Space Flight Center as part of a robotic satellite servicing mission. The gripping device can be used to autonomously or remotely grasp and...

Briefs: Propulsion
Thruster-Based Attitude and Translation Control with Minimum Pulse-Count Disturbance Rejection

Thruster-based control typically requires a substantial engineering effort in order to mitigate an important issue: the control system tends to use many thruster pulses to accomplish what a single thruster pulse could do instead. This fundamental...

Briefs: Sensors/Data Acquisition
Pressure Sensor Mechanism

The Pressure Sensor Mechanism is designed to measure or monitor tactile pressure. It is based on passive Radio Frequency Identification (RFID) sensor tags and is applicable to a variety of systems. As RFID sensors transmit information wirelessly, they eliminate many challenges associated with traditional wired systems...

Technology Leaders: Electronics & Computers

Exciting new technological innovations are making the planet cleaner, people healthier, food more plentiful, transportation speedier, communication more accessible,...

Facility Focus: Imaging

The MITRE Corporation was chartered in 1958 as a private, not-for-profit organization to provide engineering and technical guidance for the federal government. Today, with locations in McLean, VA and Bedford, MA, MITRE...

Application Briefs: Sensors/Data Acquisition

Smart manufacturing capabilities should be built into machines, particularly those with advanced functionality such as motion control. Even if the factory is not currently connected to...

Briefs: Sensors/Data Acquisition

Linear actuator manufacturers have a history of strong mechanical design expertise, which is the core of any linear actuation; however, giving motion to modern powered equipment goes beyond a...

Briefs: Motion Control

Servo control systems require accurate control of motion parameters such as acceleration, velocity, and position. This requires a controller that can apply current (torque) to...

Briefs: Sensors/Data Acquisition

A growing safety concern for pilots and aircraft passengers is laser strikes, or the aiming of high-power laser pointers at aircraft. To address the present lack of effective...

Briefs: Green Design & Manufacturing

A device has been developed that is capable of relatively lengthy unattended operations and high sampling frequency of underwater environmental data anywhere in the world. The...

Briefs: Imaging
Image-Based User Authentication

In other user authentication systems, a user authenticates identity by selecting a particular image that is then matched to a previous choice. This invention enables greater security for access control systems by combining facial recognition technology with a user authentication question.

Briefs: Green Design & Manufacturing
Detecting Low-Level Harmful Substances in a Large Volume of Fluid

There are many applications requiring the detection and concentration of harmful substances in a fluid; for example, detecting the presence and concentration of a microbial pathogen in a source of drinking water such as a lake, reservoir, river, stream, storage tank, water main,...

Briefs: Test & Measurement
Wallops Arc-Second Pointer (WASP)

The Wallops Arc Second Pointer (WASP) is a balloon-borne attitude control system capable of pointing a telescope or instrument with accuracy and stability down to the arc second, or 1/3600 of a degree of angular measurement. When a high-powered telescope is integrated with WASP, it provides a highly precise...

Briefs: Aerospace

Modernization of the National Airspace System (NAS) will involve future air traffic management (ATM) concepts of operation and technology frameworks that rely on...

Articles: Mechanical & Fluid Systems

Contact design is critical to the performance of any connector — especially for devices that must function in harsh environments where extremes of temperature, shock, and vibration are...

Application Briefs: Photonics/Optics

To shrink device size yet still tightly control performance, new technology often requires increasingly stringent surface specifications. Characterization tools, in turn, must keep pace by...

Articles: Photonics/Optics

The challenges in achieving greater accuracy in optical thin-film coatings, both historically and in today's coating processes, are many and deserve our scrutiny. The...

Application Briefs: Energy
Siemens PLM Software
Plano, TX
www.plm.automation.siemens.com

The use of lithium-ion (Li-ion) batteries has made the electric vehicle (EV) a...

Articles: Motion Control

The need for actuators has grown exponentially. Nearly everywhere you look you can see pneumatic, hydraulic, or electric actuator systems at work in an endless variety of applications. There are many...

Articles: Motion Control

Every system design presents a unique set of specifications regarding cost, space, time-to-market, and other factors. Designers must therefore make tradeoffs to meet these requirements, such as opting for a higher...

Briefs: Photonics/Optics

The scanning tunneling microscope (STM) has become one of the most powerful tools used in studying the surface structure of electrically conducting solid-state materials at an...

Briefs: Software

System breakdowns in modern industrial environments can result in millions of dollars in lost time and productivity, and even the loss of life and property. In the utilities industry — where the...

Briefs: Aerospace

Researchers at NASA's Armstrong Flight Research Center (AFRC) recently completed a study of the feasibility of aerial towing an unpiloted, sub-scale vehicle to supersonic flight conditions to examine...

Briefs: Mechanical & Fluid Systems

Aspacecraft thermal control system must keep the vehicle, avionics, and atmosphere (if crewed) within a defined temperature range. Water coolant loops are typically used to transport...

Application Briefs: Imaging
HEIDENHAIN Corporation
Schaumburg, IL
www.heidenhain.com

Scientists know surprisingly little about what happens on the Sun. Solar researchers want to change this with...

Briefs: Robotics, Automation & Control

Traditional robots often feature isolated mechanical joints. These discrete components limit a rover’s ability to traverse sand, stone, and other challenging environments. A team at the University of...

Briefs: Mechanical & Fluid Systems

Researchers at NASA's Armstrong Flight Research Center have developed a new technology to reduce inaccuracies in force/haptic feedback devices and systems. Used at NASA in aircraft...

Briefs: Test & Measurement

When performing machine tool setup and maintenance operations, it is frequently necessary to use a position transducer to “sweep” a surface and...

Briefs: Aerospace
Center/TRACON Automation System Software Suite

Air traffic control within the US is getting more complicated as the number of aircraft increases. There is a great need to increase the efficiency of the system so that flight delays are minimized without having to build new airports or runways. At the same time, safety must be maintained so that...