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Displaying 1526 - 1550 of 4224

A Stiffness Model for Control and Analysis of a MEMS Hexapod Nanopositioner

July 9, 2014
Author(s)
Hongliang Shi, Hai-Jun Su, Nicholas Dagalakis
This paper presents a stiffness based kinematic model for analysis and control of a MEMS flexure-based hexapod nanopositioner that was previously built by the National Institute of Standards and Technology (NIST). This nanopositioner is capable of

Design of MEMS based three-axis motion stage by incorporating a nested structure

June 5, 2014
Author(s)
Yong Sik Kim, Nicholas G. Dagalakis, Satyandra K. Gupta
A new design of three degrees-of-freedom (DOFs) translational motion stage (XYZ-stage) is presented in this paper. This XYZ-stage is based on Micro-electro-mechanical systems (MEMS) and designed by combining three existing 1-DOF motion stages through a

BPMN Profile for Operational Requirements

June 2, 2014
Author(s)
Conrad E. Bock, Raphael Barbau, Anantha Narayanan Narayanan
An important aspect of systems and products is how they interact with their environment, including how they are operated. Behaviors external to systems usually involve people not trained in the details of how systems are designed and built, but who need to

AN INTEGRATED APPROACH TO INFORMATION MODELING FOR THE SUSTAINABLE DESIGN OF PRODUCTS

May 19, 2014
Author(s)
Paul W. Witherell, Douglas Eddy, Ian Grosse, Sundar Krishnamurty, Jack Wileden, Kemper Lewis
The design of more sustainable products can be best accomplished in a tradeoff-based design process that methodically handles conflicting objectives. Such conflicts are often seen between, environmental impact, cost, and product performance. To support

Ontological Conceptualization Based on Simple Knowledge Organization System (SKOS)

May 19, 2014
Author(s)
Nenad Ivezic, Ameri Farhad, Kaikhah Khosrow, Boonserm Kulvatunyou
In this paper, a thesaurus-based methodology is proposed for systematic ontological conceptualization in the manufacturing domain. The methodology has three main phases, namely, thesaurus development, thesaurus evaluation, and thesaurus conversion. A

Processes Analytics Formalism for Decision Guidance in Sustainable Manufacturing

May 19, 2014
Author(s)
Alexander Brodsky, Guodong Shao, Frank H. Riddick
This paper introduces National Institute of Standards and Technology (NIST)'s Sustainable Process Analytics Formalism (SPAF) to facilitate the use of simulation and optimization technologies for decision support in sustainable manufacturing. SPAF allows

Precise Latency Measurement of Unidirectional-Data-Flow Network Equipment

May 14, 2014
Author(s)
I-Chun Chao, Kang B. Lee, Frederick M. Proctor, Chien-Chung Shen, Fan-Ren Chang
In regards to network performance measurements, many timing indices, such as latency, jitter, and one-way delay (OWD), are getting more attention because real-time applications and needs are pushing higher network capabilities. Data latency in a network

Control Fusion for Safe Multi-robot Coordination

May 9, 2014
Author(s)
Roger V. Bostelman, Jeremy A. Marvel
Future smart manufacturing systems will include more complex coordination of mobile manipulators (e.g., robot arms mounted on mobile bases). The National Institute of Standards and Technology, Performance of Collaborative Robot Systems Project has been
Displaying 1526 - 1550 of 4224
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