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Manufacturing

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Displaying 901 - 925 of 2183

High Accuracy Measurements Using a Scanning System with a Single Point Triangulation Sensor

May 13, 2013
Author(s)
Theodore D. Doiron, Wei Ren, Eric S. Stanfield, Balasubramanian Muralikrishnan, Christopher J. Blackburn
The capabilities of non-contact laser spot triangulation sensors for high accuracy measurements have slowly increased over the past decade, and now have usable resolution below 0.1 µm. The Dimensional Metrology Group has developed a simple scanning system

CMSD - A Manufacturing Simulation Integration Standard: Overview and Case Studies

May 10, 2013
Author(s)
Yung-Tsun T. Lee, Frank H. Riddick, Bjoern J. Johansson
Standard representations for information entities common to manufacturing simulation could help reduce the costs associated with simulation model construction and data exchange between simulation and other manufacturing applications. This would make

Categorization of Indicators for Sustainable Manufacturing

May 9, 2013
Author(s)
Shaw C. Feng, Che B. Joung, Prabir Sarkar, John Carrell
Manufacturers around the globe have become aware of the importance of sustainable manufacturing. They are increasing their efforts to become more sustainable by using sustainability-related indicators to assess their performance; however, in these efforts

Writing Guidelines for Requests for Proposals for Automated Fingerprint Identification Systems

April 25, 2013
Author(s)
Susan M. Ballou, Michael Garris, Anthony Clay, Joi Dickerson, Peter T. Higgins, Janet Hoin, Lisa Jackson, Mike Lesko, Joe Morrissey, Leo Norton, Beth Owens, Joe Polski, Melissa Taylor
This is one of a series of documents prepared by the Latent Print Automated Fingerprint Identification System (AFIS) Interoperability Working Group. The purpose of these documents is to provide guidance and a framework to those involved in the

Disassembly Process Information Model for Remanufacturing

April 22, 2013
Author(s)
Shaw C. Feng, Hanmin Lee, Thomas R. Kramer, Che B. Joung, Parisa Ghodous, Ram D. Sriram
The disassembly process is an essential activity performed on out-of-service products for remanufacturing. A disassembly process includes many subprocesses, such as separation, cleaning, repair, replacement, and inspection. The main purpose of performing

Engineering Change Management Concepts for Systems Modeling

April 22, 2013
Author(s)
Conrad E. Bock, Allison Barnard Feeney
A significant cost of manufactured systems arises in changing system specifications after they have been built and delivered to customers. This might be due to errors in the original specifications, feedback from customers, competition from other producers

Sustainability through Lifecycle Synthesis of Material Information

April 19, 2013
Author(s)
Paul W. Witherell, Katherine C. Morris, Anantha Narayanan Narayanan, Jae H. Lee, Sudarsan Rachuri
The synthesis of material information across lifecycle stages will lay the foundation for a material information model to support sustainable decision making. This paper explores how material information is represented in select standards that address

A Sensor Ontology Literature Review

April 18, 2013
Author(s)
Roger D. Eastman, Craig I. Schlenoff, Stephen B. Balakirsky, Tsai H. Hong
The purpose of this paper is to review existing sensor and sensor network ontologies to understand whether they can be reused as a basis for a manufacturing sensor ontology, or if the existing ontologies hold lessons for the development of a new ontology

Determining Mechanical Reliability of Brittle Materials

April 18, 2013
Author(s)
Stephen W. Freiman, Jeffrey Fong
The widespread existence of slow crack growth in most glasses and ceramics due to a stress-enhanced reaction between an external environment and strained bonds at a crack tip greatly complicates the challenge of assuring the reliability of components which

Modeling and Simulation for Improving Ambulance Patient Compartment Design Standards

April 12, 2013
Author(s)
Deogratias Kibira, Yung-Tsun T. Lee, Allison Barnard Feeney, Jennifer L. Marshall, Larry Avery, Jennifer Moore, Carlotta Boone
Emergency medical service providers riding in ambulance patient compartments, while caring for patients, are at high risk of suffering injuries in case of a crash or sudden maneuver. Seat belts are one way to reduce the occurrence and severity of injuries

Block-copolymer healing of simple defects in a chemoepitaxial template

April 11, 2013
Author(s)
Paul N. Patrone, Gregg M. Gallatin
Using a phase-field model of block copolymers (BCPs), we characterize how a chemoepitaxial template with parallel lines of arbitrary width affects the BCP microdomain shape. The model, which is an extension of the Leibler-Ohta-Kawasaki theory, accounts for

Performance Metrics of Speed and Separation Monitoring in Shared Workspaces

April 1, 2013
Author(s)
Jeremy A. Marvel
A metric is proposed that evaluates speed and separation monitoring efficacy in industrial robot environments in terms of the quantification of safety and the effects on productivity. The collision potential is rep-resented by separation metrics and sensor

Coordinate Metrology and the Proposed E57.02 Static Pose Determination Standard

March 29, 2013
Author(s)
David MacKinnon, J.-Angelo Beraldin, Tsai H. Hong, Jeremy Marvel
We present the Proposed Standard ASTM E57.02 "Standard Test Method for Evaluating Static Pose Measurement Systems" (Work Item ASTM WK31638) and explain why it should be considered important by coordinate metrologists. The stated purpose of the standard is

Ground Truth Systems for Object Recognition and Tracking

March 29, 2013
Author(s)
Afzal A. Godil, Roger D. Eastman, Tsai H. Hong
In this report we discuss different types of ground-truth systems used for evaluation of object recognition and tracking systems in industrial manufacturing environments. We discuss three main ways for acquiring ground truth for object recognition and

Concept Analysis to Enrich Manufacturing Service Capability Models

March 22, 2013
Author(s)
Jun H. Shin, Boonserm Kulvatunyou, Yunsu Lee, Nenad Ivezic
When an Original Equipment Manufacturer (OEM), which makes a final product for the consumer marketplace by purchasing components from its suppliers, faces unexpected supply network failures and market events, models of suppliers’ manufacturing service
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