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Author: William Estler

Displaying records 1 to 10 of 37 records.
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1. Economics of Measurement Uncertainty and Tolerances
Published: 7/1/2009
Authors: Steven David Phillips, J.M. Baldwin, William Tyler Estler
Abstract: Productivity is considered by considering Cobb-Douglas production function and focusing on total factor productivity (TFP). We argue that developed economies like the United States need to develop TFP by utilizing advances in computation power and in ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902981

2. ASME B89.4.19 Performance Evaluation Tests and Geometric Misalignments in Laser Trackers
Published: 1/30/2009
Authors: Balasubramanian Muralikrishnan, Daniel S Sawyer, Christopher J Blackburn, Steven David Phillips, Bruce R. Borchardt, William Tyler Estler
Abstract: Small and unintended offsets, tilts, and eccentricity of the mechanical and optical components in laser trackers introduce systematic errors in the measured spherical coordinates (angles and range readings), and possibly in the calculated lengths of ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=824664

3. Performance Evaluation of Laser Trackers
Published: 9/15/2008
Authors: Balasubramanian Muralikrishnan, Daniel S Sawyer, Christopher J Blackburn, Steven David Phillips, Bruce R. Borchardt, William Tyler Estler
Abstract: The American Society for Mechanical Engineers (ASME) recently released the ASME B89.4.19 Standard [1] on performance evaluation of spherical coordinate instruments such as laser trackers. At the National Institute of Standards and Technology (NIST), ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=824702

4. Uncertainty Due to Finite Resolution Measurements
Published: 5/1/2008
Authors: Steven David Phillips, Blaza Toman, William Tyler Estler
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912361

5. Laser Tracker Testing at NIST Using the ASME B89.4.19 Standard
Published: 1/1/2007
Authors: Balasubramanian Muralikrishnan, Christopher J Blackburn, Daniel S Sawyer, Bruce R. Borchardt, William Tyler Estler, Steven David Phillips
Abstract: While the versatility and economics of laser trackers are quite appealing, the ability to assess their accuracy and to compare various brands has been limited by a lack of a national or international standard that encompasses testing and traceability ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=824608

6. Large-Scale Metrology Instrument Performance Evaluations at NIST
Published: 1/1/2006
Authors: William Tyler Estler, Daniel S Sawyer, Bruce R. Borchardt, Steven David Phillips
Abstract: The ASME B89 Committee on Dimensional Metrology has approved a new American National Standard B89.4.19 - Performance Evaluation of Laser Based Spherical Coordinate Measurement Systems. This Standard, to be published in 2006, specifies test methods fo ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=824607

7. Recent Developments in the Standardization and Testing of Laser Trackers
Published: 1/1/2006
Authors: Daniel S Sawyer, Steven David Phillips, Bruce R. Borchardt, William Tyler Estler
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=823203

8. Probing systems in Dimensional Metrology
Published: 1/1/2004
Authors: A Weckenmann, William Tyler Estler, G Peggs, D McMurtry
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=824613

9. Uncertainty Due to Finite Resolution Measurements
Published: 1/1/2004
Authors: Steven David Phillips, B Tolman, William Tyler Estler
Abstract: We investigate the influence of finite resolution on measurement uncertainty from a perspective of the Guide to the Expression of Uncertainty in Measurement (GUM). Finite resolution in the presence of Gaussian noise yields a distribution of results t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=822244

10. Displacement Uncertainty in Interferometric Radius Measurements
Published: 1/1/2003
Authors: Tony L Schmitz, Christopher J. Evans, Angela Davies, William Tyler Estler
Abstract: Interferometric radius measurements may be completed using a radius bench, where radius is defined as the displacement between the confocal and cat?s eye nulls (identified using a figure measuring interferometer). Measurements of a Zerodur sphere hav ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821743



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