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Search Publications

NIST Authors in Bold

Displaying 4201 - 4225 of 13217

High-Speed Dual-Spectrum Imaging for the Measurement of Metal Cutting Temperatures

September 13, 2010
Author(s)
Eric P. Whitenton
… thermography measurements, such as uncertainties in the basic camera calibration. However, metal cutting … and changing emissivity as the metal is cut. MADMACS, the MAnufacturing Deformation MACro videography System, developed … Laboratory) at NIST (National Institute of Standards and Technology), consists of a high-speed visible light camera, a …

Shape-Sensitive Linewidth Measurement with the SEM Using a Model-Based Library

March 1, 2001
Author(s)
John S. Villarrubia, Andras Vladar, J R. Lowney, Michael T. Postek
… In semiconductor electronics manufacturing, device performance often depends upon size. … than the rest of the top-down secondary electron image. In general, the shape of the secondary electron signal within … composition, and it is sensitive to small variations in sample geometry. Image formation can be modeled using …

Foundational PNT Profile: Applying the Cybersecurity Framework for the Responsible Use of Positioning, Navigation, and Timing (PNT) Services

January 31, 2023
Author(s)
James McCarthy, Ya-Shian Li-Baboud, Joseph Brule, Karri Meldorf
… are widely deployed throughout this infrastructure. In a government-wide effort to mitigate the potential impacts … February 12, 2020. The National Institute of Standards and Technology (NIST), as part of the Department of Commerce (DoC), produced this voluntary PNT Profile in response to Sec.4 Implementation (a), as detailed in the …

Advancing Capabilities of Industrial Robots Through Evaluation, Benchmarking, and Characterization

March 31, 2021
Author(s)
Adam Norton, Elena R. Messina, Holly A. Yanco
… advancing to meet the demands of next-generation advanced manufacturing environments. To assist and encourage these … and assessing progress. Industrial robots operate in a broad range of application domains, each with different … the results of an evaluation, and the application to technology readiness levels. We also review the gaps in each …

Electron and x-ray focused beam-induced cross-linking in liquids: Toward rapid continuous 3D nanoprinting and interfacing using soft materials

September 15, 2020
Author(s)
Tanya Gupta, Evgheni Strelcov, Glenn Holland, Joshua D. Schumacher, Yang Yang, Mandy Esch, Vladimir Aksyuk, Patrick Zeller, Matteo Amati, Luca Gregoratti, Andrei Kolmakov
… out of liquid hydrogel solutions has become pivotal technology for tissue engineering, soft robotics, biosensing, … features out of dry polymers, however, the direct additive manufacturing in hydrogel solutions with these powerful tools is hard to … Electron and x-ray focused beam-induced cross-linking in liquids: Toward rapid continuous 3D nanoprinting and …

Calibration and Analysis of Tactile Sensors as Slip Detectors

September 13, 2018
Author(s)
Karl Van Wyk, Joseph A. Falco
… afferents sensitive to slip-related mechanical transients in the human hand augments the robustness of grasping through … study addressing several aspects of slip detection. In particular, key developments include a systematic data … size, sampling rate, material type, slip speed, and sensor manufacturing variability. Results indicate that the …

Improving Automated Insertion Applications by Restoring Rigid-Body Condition in Point-Based Registration

December 1, 2017
Author(s)
Geraldine S. Cheok, Marek Franaszek, Karl Van Wyk, Jeremy A. Marvel
… Accurate knowledge of an object's location is essential in automated robotic applications such as machine tending, … relative to the coordinate frame of the robot. In manufacturing applications that involve industrial robots, a … Researchers at the National Institute of Standards and Technology have developed a method to improve this …

Perspective: What do we still need to understand to commercialize nanocellulose?

July 20, 2015
Author(s)
Chelsea S. Davis, Danielle L. Grolman, Alamgir Karim, Jeffrey W. Gilman
… the potential to become predominant nanoparticles utilized in materials engineering fields ranging from flexible … none of these techniques is inexpensive enough (in terms of both time and money) to be applicable for high throughput, full-scale industrial process monitoring. In an effort to highlight and identify the most critical …

Development of Standard Test Methods for Unmanned and Manned Industrial Vehicles Used Near Humans

May 3, 2013
Author(s)
Roger V. Bostelman, Richard J. Norcross, Joseph A. Falco, Jeremy A. Marvel
… The National Institute of Standards and Technology (NIST) has been researching human-robot/vehicle … functions (e.g., forklifts that slow/stop automatically in hazardous situations) are the focus of the American … and non-line-of-sight conditions are prevalent in manufacturing facilities where industrial vehicles are used …

Fatigue Flaw NDE Reference Standard Development - Phase I Feasibility Study

November 1, 2012
Author(s)
Mark D. Richards, Joseph D. McColskey, Dash Weeks
… were introduced into low carbon steel reference plates in which the actual size of the fatigue crack was accurately … and users, which demonstrated that the fatigue cracks in the reference plates could be located and sized. However, the NDT sizing of the fatigue cracks in the round robin demonstrated significant scatter in the …

Fundamental Limits of Optical Patterned Defect Metrology

November 14, 2011
Author(s)
Richard M. Silver, Bryan Barnes, Martin Sohn, Hui Zhou, Jing Qin
… The semiconductor manufacturing industry is now facing serious challenges in achieving defect detection rates with acceptable … developed at the National Institute of Standards and Technology (NIST). This methodology, using a scatterfield …

3D Range Imaging for Urban Search and Rescue Robotics Research

June 26, 2006
Author(s)
Roger V. Bostelman, Tsai Hong Hong, Rajmohan Madhavan, Brian A. Weiss
… About 5 years ago, the National Institute of Standards and Technology, sponsored by the Defense Advanced Research … advanced 3D range sensors for improved robot safety in warehouses and manufacturing environments. Combined applications are …

Ceiling Jet Flows.

January 1, 2005
Author(s)
D D. Evans
… associated with detection and suppression of fires in commercial, manufacturing, storage, and recently constructed residential … Corporation, the National Institute of Standards and Technology (NIST), and at other research laboratories, have …

Development of a Linear Motor Drive Testbed and Initial Thermal Behavior Results

October 1, 2000
Author(s)
Kari K. Harper, Bradley N. Damazo, M A. Donmez
… the more conventional ball screw drives), and improvements in both dynamics and accuracy. Linear motors are also used in … A linear motor testbed has been established within the Manufacturing Engineering Laboratory of the National Institute of Standards and Technology ( NIST) in support of this need. The testbed is …

NIST Unveils Status of PIM Testing

January 1, 2000
Author(s)
Jeffrey Jargon, Donald C. DeGroot
… In response to requests by U.S. industry and members of the … Commision, the National Institute of Standards and Technology initiated a passive intermodualtion measurement … of this comparison was to determine the level of agreement in passive intermodulation (PIM) measurements made by U.S. …

A Comparative Study of CMM Flat-Surface Inspection Plans

July 1, 1992
Author(s)
J Hsu, T Hsu, James J. Filliben, Ted Hopp
… Division of the National Institute of Standards and Technology (NIST), and Theodore H. Hopp of the Machine … was to compare various inspection plans, and, in particular, to make recommendations on minimal sample … tolerances on a CMM. The investigation is baseline in the sense that the recommendations flow from a part …

Environmental and Economic Benefits of Harvesting Machine for Magnet-to-Magnet Recycling

December 27, 2024
Author(s)
Jesus Perez-Cardona, Nehika Mathur, Sidi Deng, Miha Zakotnik, Catalina Oana Tudor, John Sutherland
… (Nd-Fe-B) permanent magnets are applied in a variety of applications, including direct-drive wind … motors for electric vehicles, hard disk drives (HDDs) in laptops and other electric devices. End-of-life HDDs are available in the United States to be collected and recycled for the …

Augmented Reality Interface for Robot-Sensor Coordinate Registration

August 4, 2023
Author(s)
Vinh Nguyen, Xiaofeng Liu, Jeremy Marvel
… advanced metrological solutions of industrial robots in production environments. Conducting coordinate … metrological systems requires measuring multiple points in the robot's and sensor system's coordinate frames. … and characterize the quality of the selected points in the robot workspace for robot-sensor coordinate …

Analysis of Strain Correction Procedures for Single Fiber Tensile Testing

December 29, 2022
Author(s)
Amy Engelbrecht-Wiggans, Amanda L. Forster
… testing, however there are complicating factors: slack in the specimen or slipping/seating in the grips, compliance of the load frame, and grip effects. These are addressed in various testing standards for single fibers, such as ASTM … Composites Part A-Applied Science and Manufacturing …
Displaying 4201 - 4225 of 13217
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