Error Model and Calibration Analysis of the Flexible Coordinate Measuring Machine

Fang Li; Shu Gui Liu; Lei Zhao

doi:10.4028/www.scientific.net/AMM.121-126.3273

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Research on Knowledge Fusion Based Parametric Design Technology of the Sliding Screw Mechanism
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 121-126Error Model and Calibration Analysis of the...

Error Model and Calibration Analysis of the Flexible Coordinate Measuring Machine

Abstract:

A new 5-DOF flexible coordinate measuring machine (CMM) is introduced in this paper, which uses REVO system produced by Renishaw. According to the D-H method, the mathematical model is built, and then the error model of the flexible CMM is derived. The parameter calibration based on the nonlinear least square method is analyzed theoretically. Due to the disadvantages of Gauss-Newton method, LM method is researched, which improved the singularity of the coefficient matrix. The calibration analysis is a basis for improving accuracy of the flexible CMM.

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Periodical:

Applied Mechanics and Materials (Volumes 121-126)

Pages:

3273-3277

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.121-126.3273

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Online since:

October 2011

Authors:

Fang Li, Shu Gui Liu, Lei Zhao

Keywords:

Coordinate Measuring Machine, D-H Method, Error Model, LM Method, Nonlinear Least Square Method

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