Title | ||
---|---|---|
An Improved Method for Straightness Error Modeling and Compensation in CNC Machining Center |
Abstract | ||
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Straightness error is one of the main factors which affect the machining accuracy in CNC machine tools. To improve the modeling accuracy and efficiency for straightness error, a new modeling method is proposed based on the Least-square fitting of orthogonal polynomials in this paper. Using this error modeling method, the maximum straightness error is fitted by 95.8%. The fitting accuracy of cubic polynomial established by the proposed error modeling method is better than the fitting accuracy of quartic polynomial established by Matlab. To realize the real-time compensation for straightness error, a network and external coordinate offset based error compensation method is proposed in this paper. Experiments results show that the maximum straightness error of the machining center is compensated by 89.6% compared with no compensation. |
Year | DOI | Venue |
---|---|---|
2014 | 10.1109/ES.2014.9 | ES |
Keywords | Field | DocType |
straightness error, error compensation, leastsquare fitting of orthogonal polynomials, CNC machining center | MATLAB,Orthogonal polynomials,Polynomial,Numerical control,Computer science,Cubic function,Algorithm,Machining,Control engineering,Quartic function,Offset (computer science) | Conference |
Citations | PageRank | References |
0 | 0.34 | 0 |
Authors | ||
3 |
Name | Order | Citations | PageRank |
---|---|---|---|
Kaiguo Fan | 1 | 0 | 1.35 |
Hao-lin Li | 2 | 28 | 5.44 |
Jian guo Yang | 3 | 5 | 2.11 |