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The analysis of feature-based measurement error in coordinate metrology
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Huang, Wenzhen, Kong, Zhenyu, Ceglarek, Darek and Brahmst, Emilio (2004) The analysis of feature-based measurement error in coordinate metrology. IIE Transactions, Vol.36 (No.3). pp. 237-251. doi:10.1080/07408170490274205 ISSN 0740-817X.
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Official URL: http://dx.doi.org/10.1080/07408170490274205
Abstract
Coordinate measurement systems (CMSs) dominate the dimensional control and diagnostics of various manufacturing processes. However, CMSs have inherent errors caused by the lack of a tracing ability for some of the measured part features. This is important for product inspection and process variation reduction in a number of automated manufacturing systems, such as for example the automotive body assembly process. The lack of a feature tracing ability means that instead of measuring a given feature, the CMS may actually measure the area around the selected feature. In this paper, a principle for the part feature tracing ability and the resultant feature-based measurement error analysis are developed to estimate the aforementioned deficiencies in the CMSs. The impact of feature type and part(s) positional variation on the feature-based measurement error is explored. The proposed approach is applicable to both contact and non-contact CMSs including both mechanical and optical coordinate measuring machines An analysis of the error for different measurement algorithms is presented. We show that the developed feature-based measurement error can have a significant impact on the measurement accuracy and hence on process control and the diagnostic algorithms currently used in manufacturing. A feature-based error map and error compensation approach are also developed and presented. Simulations, experimental results and two industrial case studies illustrate the proposed method.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Journal or Publication Title: | IIE Transactions | ||||
Publisher: | Taylor & Francis Inc. | ||||
ISSN: | 0740-817X | ||||
Official Date: | 2004 | ||||
Dates: |
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Volume: | Vol.36 | ||||
Number: | No.3 | ||||
Page Range: | pp. 237-251 | ||||
DOI: | 10.1080/07408170490274205 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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