福建工程学院学报
福建工程學院學報
복건공정학원학보
JOURNAL OF FUJIAN UNIVERSITY OF TECHNOLOGY
2014年
6期
562-566
,共5页
NURBS%两级插补%ARM-FPGA
NURBS%兩級插補%ARM-FPGA
NURBS%량급삽보%ARM-FPGA
NURBS%two-stage interpolation%ARM-FPGA
针对非均匀有理B 样条(non-uniform rational B-spline,NURBS)曲线高速高精加工过程中计算负载高的问题,提出一种基于两级插补机制的NURBS曲线插补器方案,在主控端执行第一级插补,完成曲线预处理等粗插补工作;在运动控制端执行第二级插补,完成加减速及实时位置输出等精插补工作。同时,设计并开发基于ARM-FPGA架构的实验平台,可用于两级插补器的实验验证,具有一定的现实参考意义。
針對非均勻有理B 樣條(non-uniform rational B-spline,NURBS)麯線高速高精加工過程中計算負載高的問題,提齣一種基于兩級插補機製的NURBS麯線插補器方案,在主控耑執行第一級插補,完成麯線預處理等粗插補工作;在運動控製耑執行第二級插補,完成加減速及實時位置輸齣等精插補工作。同時,設計併開髮基于ARM-FPGA架構的實驗平檯,可用于兩級插補器的實驗驗證,具有一定的現實參攷意義。
침대비균균유리B 양조(non-uniform rational B-spline,NURBS)곡선고속고정가공과정중계산부재고적문제,제출일충기우량급삽보궤제적NURBS곡선삽보기방안,재주공단집행제일급삽보,완성곡선예처리등조삽보공작;재운동공제단집행제이급삽보,완성가감속급실시위치수출등정삽보공작。동시,설계병개발기우ARM-FPGA가구적실험평태,가용우량급삽보기적실험험증,구유일정적현실삼고의의。
In view of the high computational load for non-uniform rational B-spline (NURBS)curve’s high speed and high precision machining,a kind of NURBS curve interpolation scheme is put for-ward based on the two-stage mechanism.The first level interpolation is performed in the master CPU to accomplish the rough interpolation,and the second level interpolation is performed in the slave FPGA to accomplish the fine interpolation.Finally,a platform for experiments is built to verify the theoretical analysis based on ARM-FPGA architecture,which can contribute to the realization of two-stage interpolation.