Application of PPR to Thermal Error Modeling of an INDEX-G200 Turning Center
Thermal errors are the major contributor to the dimensional errors of a workpiece in precision machining. Error compensation technique is a cost-effective way to reduce thermal errors. Accurate modeling of errors is a prerequisite of error compensation. In this paper, a thermal error model was proposed by using projection pursuit regression (PPR). The PPR method improves the prediction accuracy of thermal deformation in the CNC turning center.
Zhengyi Jiang, Shanqing Li, Jianmin Zeng, Xiaoping Liao and Daoguo Yang
Q. J. Guo et al., "Application of PPR to Thermal Error Modeling of an INDEX-G200 Turning Center", Advanced Materials Research, Vols. 189-193, pp. 4145-4148, 2011