摘要
定位精度与定位时间是CNC系统中十分重要的性能参数,加减速算法特别是减速算法对它们有着十分重要的影响。详细地分析了传统减速算法定位时间长的原因,在此基础上提出了改进算法,并进行了仿真和试验,结果表明在保证相同定位精度条件下采用该方法可大大缩短定位时间和提高机床加工效率。
The positioning accuracy and positioning time of CNC system are main performance criteria for industrial applications. The acceleration/deceleration modes, especially deceleration mode, have an important effect on them. Some problems in the conventional linear deceleration algorithm are analyzed. Then an improved linear acceleration /deceleration is introduced. In this algorithm, the deceleration point is predicted exactly, and then the deceleration point error is compensated for at higher feedrates. Compared with that of conventional linear acceleration and deceleration algorithm, the system performance is improved significantly. It is confirmed by many simulations and experiments.
出处
《机械工程学报》
EI
CAS
CSCD
北大核心
2003年第7期74-78,共5页
Journal of Mechanical Engineering
基金
高等学校博士学科点专项科研基金(98024834)
