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Displaying 51 - 75 of 112

User's Manual for Version 1.0 of the NIST DME Interface Test Suite for Facilitating Implementations of Version 1.1 of the I++ DME Interface Specification

August 21, 2003
Author(s)
John A. Horst, Thomas R. Kramer, Joseph A. Falco, Keith A. Stouffer, Hui-Min Huang, Frederick M. Proctor, Albert J. Wavering, Chengying Liu
This user's manual describes version 1.0 of the NIST Dimensional Measuring Equipment (DME) interface test suite intended to support implementations of version 1.1 of the I++ DME specification.

Distributed Testing of an Equipment-Level Interface Specification

December 31, 2002
Author(s)
Joseph Falco, John A. Horst, Hui-Min Huang, Thomas Kramer, Frederick M. Proctor, Keith A. Stouffer, Albert J. Wavering
A test suite for an key interface within a dimensional measuring system (coordinate measuring machine or CMM) is presented. The test suite consists of test procedures, test definitions, and various testing utilities. A real-time, distributed test utilizing

Embedded Real-Time Linux for Cable Robot Control

October 2, 2002
Author(s)
Frederick M. Proctor, William P. Shackleford
Linux is a version of the Unix operating system distributed according to the open source model. Programmers are free to adapt the source code for their purposes, but are required to make their modifications or enhancements available as open source software

Embedded Real-Time Linux For Cable Robot Control

October 1, 2002
Author(s)
Frederick M. Proctor, William P. Shackleford
Linux is a version of the Unix operating system distributed according to the open source model. Programmers are free to adapt the source code for their purposes, but are required to make their modifications or enhancements available as open source software

A Tool to Improve Efficiency in Large Scale Manufacturing

September 25, 2002
Author(s)
Roger V. Bostelman, William P. Shackleford, Frederick M. Proctor, James S. Albus, Alan M. Lytle
NIST is working directly with industry to improve repair and conversion operations of ships in dry dock. Similarly, this work allows transfer of technology to construction and other industries requiring worker-access to large, external surfaces with

The Flying Carpet: A Tool to Improve Ship Repair Efficiency

September 12, 2002
Author(s)
James S. Albus, Roger V. Bostelman, Frederick M. Proctor, William P. Shackleford, Alan M. Lytle
NIST is working directly with industry to improve repair and conversion operations of ships in dry dock. Similarly, this work allows transfer of technology to shipbuilding, aircraft maintenance, construction, and other industries requiring worker-access to

The Flying Carpet: A Tool to Improve Ship Repair Efficiency

September 1, 2002
Author(s)
Roger V. Bostelman, William P. Shackleford, Frederick M. Proctor, James S. Albus, Alan M. Lytle
NIST is working directly with industry to improve repair and conversion operations of ships in dry dock. The technology discussed is applicable to shipbuilding, aircraft maintenance, construction, and other industries requiring worker-access to large

4D/RCS Version 2.0: A Reference Model Architecture for Unmanned Vehicle Systems

August 22, 2002
Author(s)
James S. Albus, Hui-Min Huang, Elena R. Messina, Karl Murphy, Maris Juberts, Alberto Lacaze, Stephen B. Balakirsky, Michael O. Shneier, Tsai H. Hong, Harry A. Scott, Frederick M. Proctor, William P. Shackleford, John L. Michaloski, Albert J. Wavering, Thomas Kramer, Nicholas Dagalakis, William G. Rippey, Keith A. Stouffer, Steven Legowik
The 4D/RCS architecture provides a reference model for military unmanned vehicles on how their software components should be identified, organized, and interacting such that missions, especially those involving unknown or hostile environments, can be

Tying Together Design, Process Planning and Machining with Step-NC Technology

June 13, 2002
Author(s)
Frederick M. Proctor, John L. Michaloski, William P. Shackleford
While simulation has been successful in tying design and process planning into an iterative loop, machining has traditionally been a downstream terminus of the manufacturing cycle. Simulation of machining has proven difficult due to the highly dynamic and

Timing Studies of Real-Time Linux for Control

April 1, 2002
Author(s)
Frederick M. Proctor, William P. Shackleford
Linux is being used increasingly for real-time control of industrial equipment. Versions of Linux adapted to support deterministic task execution are freely available. The resolution of task timing is much higher than for typical user-level processes, on

IT Security for Industrial Control Systems

February 28, 2002
Author(s)
Joseph Falco, Frederick M. Proctor, Keith A. Stouffer, Albert J. Wavering
The National Institute of Standards and Technology (NIST) is working to improve the IT security of networked digital control systems used in industrial applications. This effort is being carried out through the Process Control Security Requirements Forum

Distributed Testing of a Device-Level Interface Specification for a Metrology System

January 31, 2002
Author(s)
Joseph Falco, John A. Horst, Hui-Min Huang, Thomas Kramer, Frederick M. Proctor, Keith A. Stouffer, Albert J. Wavering
A test suite for an key interface within a dimensional measuring system (coordinate measuring machine or CMM) is presented. The test suite consists of test procedures, test definitions, and various testing utilities. A real-time, distributed test utilizing

An Intelligent Systems Architecture for Manufacturing (ISAM); A Reference Model Architecture for Intelligent Manufacturing Systems

January 1, 2002
Author(s)
James S. Albus, John A. Horst, Hui-Min Huang, Thomas Kramer, Elena R. Messina, Alex Meystel, John L. Michaloski, Frederick M. Proctor, Harry A. Scott, Edward J. Barkmeyer Jr., M. K. Senehi
The Intelligent Systems Architecture for Manufacturing (ISAM) addresses the application of intelligent systems to the manufacturing enterprise at three degrees of abstraction: 1) a conceptual framework for developing metrics, standards, and performance

Overview of Communication Standards relating to Motion Control Systems

December 31, 2001
Author(s)
Frederick M. Proctor, John L. Michaloski
This report surveys the international communications standards that affect the application and development of motion control technology. The scope of motion control covered includes applications as diverse as robotics, packaging machinery, discrete parts

Real-Time Operating System Timing Jitter and its Impact on Motor Control

October 29, 2001
Author(s)
Frederick M. Proctor, William P. Shackleford
General-purpose microprocessors are increasingly being used for control applications due to their widespread availability and software support for non-control functions like networking and operator interfaces. Two classes of real-time operating systems

Real-Time Operating System Timing Jitter and its Impact on Motor Control

October 29, 2001
Author(s)
Frederick M. Proctor, William P. Shackleford
General-purpose microprocessors are increasingly being used for control applications due to their widespread availability and software support for non-control functions like networking and operator interfaces. Two classes of real-time operating systems

A Feature-Based Inspection and Machining System

August 1, 2001
Author(s)
Thomas R. Kramer, Hui-Min Huang, Elena R. Messina, Frederick M. Proctor, Harry A. Scott
This paper describes an architecture for a system for machining and inspectingmechanical piece parts and an implementation of it called the Feature-BasedInspection and Control System (FBICS). In FBICS, the controller of a machiningcenter or coordinate

Analysis of Dimensional Metrology Standards

June 1, 2001
Author(s)
Thomas R. Kramer, John Evans, Simon P. Frechette, John A. Horst, Hui-Min Huang, Elena R. Messina, Frederick M. Proctor, William G. Rippey, Harry A. Scott, Theodore V. Vorburger, Albert J. Wavering
This is an analysis of standards related to dimensional metrology, with recommendations regarding standards development. The analysis focuses on the degree to which existing and developing standards provide a complete set of non-overlapping specifications

Open System Architecture for Real-time Control Using an UML Based Approach

May 1, 2001
Author(s)
Hui-Min Huang, Elena R. Messina, Harry A. Scott, James S. Albus, Frederick M. Proctor, William P. Shackleford
We describe a generic architecture that is applicable to the engineering of many real-time control problems. We further describe how UML is used to apply the architecture to the problems.

Analysis of Behavioral Requirements for Component-Based Machine Controllers

February 1, 2001
Author(s)
Frederick M. Proctor, John L. Michaloski, S Birla, G Weinert
Machine controllers built from standardized software components have the greatest potential to reap open architecture benefits - including plug-and-play, reusability and extensibility. A challenge to component-based controllers relates to standardizing

Report of the NIST MEL Architecture Task Force

December 29, 2000
Author(s)
Harry A. Scott, John Evans, Steven R. Ray, E C. Teague, James S. Albus, Herbert T. Bandy, Edward J. Barkmeyer Jr., Neil Christopher, M A. Donmez, Hui-Min Huang, Albert W. Jones, Elena R. Messina, Jim G. Nell, Frederick M. Proctor, Evan K. Wallace
The NIST Manufacturing Engineering Laboratory undertook a series of internal working meetings to examine all of its architecture efforts. A survey of work was performed, and recommendations were identified. This document, initially compiled in 1999

Use of Open Source Distribution for a Machine Tool Controller

November 1, 2000
Author(s)
William P. Shackleford, Frederick M. Proctor
In recent years a growing number of government and university labs, non-profit organizations and even a few for-profit corporations have found that making their source code public is good for both developers and users. In machine tool control, a growing

The NIST RS274NGC Interpreter - Version 3

August 1, 2000
Author(s)
Thomas R. Kramer, Frederick M. Proctor, Elena R. Messina
This report describes an interpreter which reads numerical control code and produces calls to a set of canonical machining functions. The interpreteris a software system written in the C++ programming language. The output of the interpreter may be used to