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Displaying 601 - 625 of 2189

Review of Research for Docking Automatic Guided Vehicles and Mobile Robots

October 13, 2016
Author(s)
Roger V. Bostelman, Tsai H. Hong
This survey provides a literature review of docking research, an area that has relatively few research articles as compared to generic automatic guided vehicle (AGV) or mobile robot research. Docking refers to the arrival and act of a vehicle stopping at a

Non-contact Surface Conductance Measurement of Graphene using Resonant Cavity

October 10, 2016
Author(s)
Jan Obrzut, Oleg A. Kirillov
The measurement of conductance by a resonant cavity involves monitoring the resonant frequency shift and change in the quality factor before and after insertion of the specimen into the cavity. The method is applicable to carbon Vapor deposited (CVD)

Cyber-physical Systems Engineering for Manufacturing

October 7, 2016
Author(s)
Allison Barnard Feeney, Simon P. Frechette, Vijay Srinivasan
There is a convergence of interests in cyber-physical systems, systems engineering, and manufacturing innovation in the United States. The U.S. National Institute of Standards and Technology (NIST) has undertaken research programs in smart manufacturing

Inertial Measurement Unit for On-Machine Diagnostics of Machine Tool Linear Axes

October 7, 2016
Author(s)
Gregory W. Vogl, Alkan Donmez, Andreas Archenti, Brian A. Weiss
Machine tools degrade during operations, yet knowledge of degradation is elusive; accurately detecting degradation of machines' components such as linear axes is typically a manual and time-consuming process. Thus, manufacturers need automated, efficient

Measurement of powder bed density in powder bed fusion additive manufacturing processes

October 5, 2016
Author(s)
Gregor Jacob, M A. Donmez, Shawn P. Moylan, John A. Slotwinski
There are many factors influencing the additive manufacturing (AM) processes resulting in high degree of variation in process outcomes. Therefore, quantifying these factors and their correlations to the process outcomes are important challenges to overcome

An Activity Model for Factory Design and Improvement

October 4, 2016
Author(s)
Kiwook Jung, Sangsu Choi, Boonserm Kulvatunyou, Hyunbo Cho, Katherine C. Morris
Smart Manufacturing Systems (SMS) are envisioned to contain highly-automated and IT-driven production systems. To address the complexity that arises in such systems, a standard and holistic model for describing the activities and their inter-relationships

Annual Manufacturing Report

October 3, 2016
Author(s)
Douglas Thomas
The purpose of this report is to track domestic manufacturing activity and its supply chain in order to develop a quantitative depiction of U.S. manufacturing in the context of the domestic economy and global industry. This depiction provides change agents

STANDARD REPRESENTATIONS FOR CHARACTERIZATION OF INDUSTRIAL PROCESSES

October 1, 2016
Author(s)
Mahesh Mani, Jon Larborn, Bjoern J. Johansson, Kevin W. Lyons, Katherine C. Morris
This paper describes ASTM’s new guide for characterizing the environmental aspects of manufacturing processes (ASTM WK35705). The guide defines a generic representation to support structured information. Representations of multiple unit manufacturing

CHALLENGES IN TOLERANCE TRANSFER FOR ADDITIVE MANUFACTURING

September 22, 2016
Author(s)
Gaurav Ameta, Shawn P. Moylan, Paul Witherell
Abstract: From the design point of view, datum features are used to imply design intent of particular function of the part or sequence of assembly of components in a product. Each feature in a part could potentially have different datum reference based on

An analysis of technologies and standards for designing smart manufacturing systems

September 20, 2016
Author(s)
Boonserm Kulvatunyou, Katherine C. Morris, Sangsu Choi, Kiwook Jung
Smart manufacturing is defined by high degrees of automation. Automation, in turn, is defined by clearly defined processes. The use of standards in this environment is not just common place but essential to creating repeatable and reliable systems. As with

Comparison of Registration Methods for Mobile Manipulators

September 15, 2016
Author(s)
Roger V. Bostelman, Roger Eastman, Tsai H. Hong, Omar Aboul-Enein, Steven A. Legowik, Sebti Foufou
Mobile manipulators can be effective, efficient and flexible for automation on the factory floor but will need safety and performance standards for wide adoption. This paper looks at a specific area of performance standards [1] for docking and workpiece

Editorial: Special Issue on Industrial Robot Agility

September 14, 2016
Author(s)
Craig I. Schlenoff, Stephen B. Balakirsky, Murad Kurwa
The robotic systems of tomorrow need to be capable, flexible, and agile. These systems need to perform their duties at least as well as human counterparts, be quickly re-tasked to other operations, and cope with a wide variety of unexpected environmental

An Overview of a Smart Manufacturing System Readiness Assessment

September 5, 2016
Author(s)
Kiwook Jung, Boonserm Kulvatunyou, Sangsu Choi, Michael Brundage
Technologies for creating smart manufacturing systems or factories are becoming increasingly abundant. However, manufacturers, large and small, need to correctly select and prioritize these technology adoptions. In addition, other improvements may be

Identifying uncertainty in laser powder bed fusion additive manufacturing models

September 4, 2016
Author(s)
Felipe F. Lopez, Paul W. Witherell, Brandon M. Lane
As additive manufacturing (AM) matures, models are beginning to take a more prominent stage in design and process planning for AM. A limitation frequently encountered in AM models is a lack of indication about their precision and accuracy. Often overlooked

Virtual Factory Framework for Supporting Production Planning and Control

September 2, 2016
Author(s)
Deogratias Kibira, Guodong Shao
Developing optimal production plans for smart manufacturing systems is challenging if events change dynamically. A virtual factory incorporating engineering tools, simulation, and optimization generates and communicates performance data to guide wise
Displaying 601 - 625 of 2189
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