Random uncertainty propagation in estimates of sphere parameters from coordinate measurements


Zhang, D., Maropoulos, P.G. and Hill, M. (2006) Random uncertainty propagation in estimates of sphere parameters from coordinate measurements. International Journal of Machine Tools and Manufacture, 46, (12-13), 1362-1368. (doi:10.1016/j.ijmachtools.2005.10.008).

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Description/Abstract

Measurements of reference spheres are widely used in verification and calibration of coordinate measuring systems. In this paper, a model for the propagation of random errors in the estimation of sphere parameters is outlined. The dependence of the error propagation on sampling area and sample density is demonstrated using both simulated and measured data. The model can be used to characterise the random error of a coordinate measurement system. It can also be used to determine the error limits on a single sphere parameter estimate or to determine the required sampling strategy to ensure that the confidence limits on an estimate remain within predetermined bounds.

Item Type: Article
Related URLs:
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: University Structure - Pre August 2011 > School of Engineering Sciences > Electro-Mechanical Engineering
Item ID: 43345
Date Deposited: 23 Jan 2007
Last Modified: 01 Jun 2011 04:32
Contributors: Zhang, D. (Author)
Maropoulos, P.G. (Author)
Hill, M. (Author)
Date: 2006
Status: Published
Contact Email Address: defen.zhang@durham.ac.uk
URI: http://eprints.soton.ac.uk/id/eprint/43345

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