机械科学与技术2012,Vol.31Issue(5):791-795,5.
FANUC系统中实时前瞻的NURBS插补研究与实现
Realizing Real-time Look-ahead NURBS Interpolation in FANUC System
摘要
Abstract
To overcome the shortcomings of line interpolation and circular interpolation,we utilize the NURBS interpolation function of the FANUC system to carry out the machining of NURBS curve.In order to ensure the high-speed and high-accuracy machining of the NURBS curve,we combine the control function of the HRV2 servo system with the real-time look-ahead control function of CNC and improve the machining performance of the CNC by adjusting the look-ahead feedforward coefficient and the velocity gain parameters.The actual tool movement trajectories show that our new scheme can improve the response and rigidity of the servo system,reduce the machining errors of the CNC and increase its location velocity.关键词
插补/NURBS/实时前瞻/预读前馈/速度增益Key words
real-time look-ahead interpolation/NURBS curve/look-ahead feedforward/velocity gain分类
矿业与冶金引用本文复制引用
刘萍,王民权,范进桢,赵秀婷..FANUC系统中实时前瞻的NURBS插补研究与实现[J].机械科学与技术,2012,31(5):791-795,5.基金项目
浙江省教育厅科研项目(Y201018385)资助 ()