Improving Contouring Accuracy in CNC Machines

Improving Contouring Accuracy in CNC Machines


Marketed By :  LAP LAMBERT Academic Publishing   Sold By :  Kamal Books International  
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  • Product Description

Several approaches are explored and developed to improve the contouring accuracy in CNC machines. A tuning procedure is proposed to tune the gains so as to achieve matched axial dynamics. The contouring accuracy for both linear and circular contours can be significantly improved. For circular contours, the radial errors resulting from the limited bandwidth of the axial dynamics can be further reduced by feedforward compensation. A two-stage stiction compensation scheme is proposed to reduce or eliminate the contour errors caused by stiction. A model-based Taylor series expansion error compensation (TSEEC) approach formulates the contour error as a Taylor series expansion around points along the desired path and compute compensation components as deviations from these points. Finally, an integral sliding mode control (ISMC) approach, due to its robustness against model uncertainties and external disturbances, is developed to improve the tracking accuracy for each individual axis, thus the overall contouring accuracy.

Product Specifications
SKU :COC82987
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-10-08
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