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Topic Area: Energy

Displaying records 291 to 300 of 398 records.
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291. Design Optimization for a Parallel MEMS Mechanism with Flexure Joints
Topic: Energy
Published: 10/4/2004
Authors: Byoung H Kang, J Wen, Nicholas G Dagalakis, Jason John Gorman
Abstract: This paper presents an analysis tool and design method forMEMS parallel mechanisms. Due to processing constraints inMEMS fabrication, flexure joints are frequently used in MEMSmechanisms. Flexure joints offer advantages over other joint designdue to ...

292. Application of a Crash Prevention Boundary Metric to a Road Departure Warning System
Topic: Energy
Published: 8/25/2004
Authors: Sandor S. Szabo, B H Wilson
Abstract: The U.S. Department of Transportation is actively involved in assessing the benefit of road departure warning systems (RDWS). A crash prevention boundary (CPB) metric has been proposed as one means of objectively measuring system performance. This pa ...

293. Obstacle Detection Using a Time-of-Flight Range Camera for Indoor Automated Guided Vehicle Navigation
Topic: Energy
Published: 8/1/2004
Authors: Roger V Bostelman, Tsai Hong Hong, Rajmohan Madhavan
Abstract: The performance evaluation of an obstacle detection and segmentation algorithm for Automated Guided Vehicle (AGV) navigation in factory-like environments using a 3D real-time range camera is the subject of this paper.  Our approach has been test ...

294. Analysis and Design of Parallel Mechanisms with Flexure Joints
Topic: Energy
Published: 7/15/2004
Authors: Byoung H Kang, J Wen, Nicholas G Dagalakis, Jason John Gorman
Abstract: Flexure joints are frequently used in precision motion stages and micro-robotic mechanisms due lo their monolithic construction. The joint compliance, howeyer, can affect the static and dynamic performance of the overall mechanism. In this paper, we ...

295. Multiplexed Assays for Evaluation of Y-SNP Markers in U.S. Populations
Topic: Energy
Published: 4/1/2004
Authors: Peter M Vallone, John M Butler
Abstract: Genetic markers located on the Y chromosome are of increasing importance in human identity testing. In an effort to evaluate the forensic utility of Y chromosome single nucleotide polymorphism (SNP) markers, we constructed several novel multiplex al ...

296. Studies on the Effect of Movement During the Cure on the Mechanical Properties of Sealand
Topic: Energy
Published: 2/8/2004
Authors: Christopher C White, Donald Lee Hunston, R S Williams
Abstract: A novel sealant-testing device was used to con-tinuously monitor the mechanical properties of a one part silicone sealant for movement cycles initiated from 10 h to 168 h after sample creation. These cure times fall between the proposed RILEM TC-139 ...

297. Combined NMR and XAS Study on Local Environments and Electronic Structures of the Electrochemically Li-Ion Deintercalated Li1-xCo1/3Ni1/3Mn1/302 Electrode System
Topic: Energy
Published: 1/1/2004
Authors: W S Yoon, C P Grey, Mahalingam Balasubramanian, Xiao-Qing Yang, Daniel A Fischer, James McBreen
Abstract: Combined 6Li MAS NMR, in-situ metal K-edge (hard) XAS, and O K-edge (soft) XAS have been carried out during the first charging process for the layered Li1-xCo1/3Ni1/3Mn1/3O2 cathode material. The 6Li MAS NMR results showed the prescence of Li in the ...

298. Smart Machining Research at the National Institute of Standards and Technology
Topic: Energy
Published: 9/23/2003
Authors: Kevin K Jurrens, Johannes A Soons, Robert W Ivester
Abstract: This paper presents an overview of collaborative research activities conducted by staff of the Manufacturing Engineering Laboratory at the National Institute of Standards and Technology to address the enabling metrology and standards infrastructure n ...

299. Reliability-Based Method for Service Life Prediction of Materials
Topic: Energy
Published: 9/17/2003
Authors: Christopher C White, Jonathan W. Martin, S F. Weber, L Shultz
Abstract: Standard test methods, such as ASTM C719, evaluate sealant performance though threshold test measurements. This method and its derivatives do not offer reliable predictions of in-service performance. This presentation will detail efforts to move aw ...

300. Thermal transport in stacked superconductor-normal metal-superconductor Josephson junctions
Topic: Energy
Published: 9/1/2003
Authors: Yonuk Chong, Paul David Dresselhaus, Samuel Paul Benz
Abstract: Nb/MoSi^d2^/Nb superconductor-normal metal-superconductor (SNS) stacked Josephson junctions have proven to be a good candidate for high-density series arrays for Josephson voltage standard applications. As the junction density increases, self-heating ...

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